static inline void RENAME(rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, long width, long height, long lumStride, long chromStride, long srcStride) { long y; const long chromWidth= width>>1; #ifdef HAVE_MMX for(y=0; y<height-2; y+=2) { long i; for(i=0; i<2; i++) { asm volatile( "mov %2, %%"REG_a" \n\t" "movq "MANGLE(bgr2YCoeff)", %%mm6 \n\t" "movq "MANGLE(w1111)", %%mm5 \n\t" "pxor %%mm7, %%mm7 \n\t" "lea (%%"REG_a", %%"REG_a", 2), %%"REG_d"\n\t" ASMALIGN(4) "1: \n\t" PREFETCH" 64(%0, %%"REG_d") \n\t" "movd (%0, %%"REG_d"), %%mm0 \n\t" "movd 3(%0, %%"REG_d"), %%mm1 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "movd 6(%0, %%"REG_d"), %%mm2 \n\t" "movd 9(%0, %%"REG_d"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "pmaddwd %%mm6, %%mm0 \n\t" "pmaddwd %%mm6, %%mm1 \n\t" "pmaddwd %%mm6, %%mm2 \n\t" "pmaddwd %%mm6, %%mm3 \n\t" #ifndef FAST_BGR2YV12 "psrad $8, %%mm0 \n\t" "psrad $8, %%mm1 \n\t" "psrad $8, %%mm2 \n\t" "psrad $8, %%mm3 \n\t" #endif "packssdw %%mm1, %%mm0 \n\t" "packssdw %%mm3, %%mm2 \n\t" "pmaddwd %%mm5, %%mm0 \n\t" "pmaddwd %%mm5, %%mm2 \n\t" "packssdw %%mm2, %%mm0 \n\t" "psraw $7, %%mm0 \n\t" "movd 12(%0, %%"REG_d"), %%mm4 \n\t" "movd 15(%0, %%"REG_d"), %%mm1 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "movd 18(%0, %%"REG_d"), %%mm2 \n\t" "movd 21(%0, %%"REG_d"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "pmaddwd %%mm6, %%mm4 \n\t" "pmaddwd %%mm6, %%mm1 \n\t" "pmaddwd %%mm6, %%mm2 \n\t" "pmaddwd %%mm6, %%mm3 \n\t" #ifndef FAST_BGR2YV12 "psrad $8, %%mm4 \n\t" "psrad $8, %%mm1 \n\t" "psrad $8, %%mm2 \n\t" "psrad $8, %%mm3 \n\t" #endif "packssdw %%mm1, %%mm4 \n\t" "packssdw %%mm3, %%mm2 \n\t" "pmaddwd %%mm5, %%mm4 \n\t" "pmaddwd %%mm5, %%mm2 \n\t" "add $24, %%"REG_d" \n\t" "packssdw %%mm2, %%mm4 \n\t" "psraw $7, %%mm4 \n\t" "packuswb %%mm4, %%mm0 \n\t" "paddusb "MANGLE(bgr2YOffset)", %%mm0 \n\t" MOVNTQ" %%mm0, (%1, %%"REG_a") \n\t" "add $8, %%"REG_a" \n\t" " js 1b \n\t" : : "r" (src+width*3), "r" (ydst+width), "g" (-width) : "%"REG_a, "%"REG_d ); ydst += lumStride; src += srcStride; } src -= srcStride*2; asm volatile( "mov %4, %%"REG_a" \n\t" "movq "MANGLE(w1111)", %%mm5 \n\t" "movq "MANGLE(bgr2UCoeff)", %%mm6 \n\t" "pxor %%mm7, %%mm7 \n\t" "lea (%%"REG_a", %%"REG_a", 2), %%"REG_d"\n\t" "add %%"REG_d", %%"REG_d" \n\t" ASMALIGN(4) "1: \n\t" PREFETCH" 64(%0, %%"REG_d") \n\t" PREFETCH" 64(%1, %%"REG_d") \n\t" #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) "movq (%0, %%"REG_d"), %%mm0 \n\t" "movq (%1, %%"REG_d"), %%mm1 \n\t" "movq 6(%0, %%"REG_d"), %%mm2 \n\t" "movq 6(%1, %%"REG_d"), %%mm3 \n\t" PAVGB" %%mm1, %%mm0 \n\t" PAVGB" %%mm3, %%mm2 \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm2, %%mm3 \n\t" "psrlq $24, %%mm0 \n\t" "psrlq $24, %%mm2 \n\t" PAVGB" %%mm1, %%mm0 \n\t" PAVGB" %%mm3, %%mm2 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" #else "movd (%0, %%"REG_d"), %%mm0 \n\t" "movd (%1, %%"REG_d"), %%mm1 \n\t" "movd 3(%0, %%"REG_d"), %%mm2 \n\t" "movd 3(%1, %%"REG_d"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm0 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm2, %%mm0 \n\t" "movd 6(%0, %%"REG_d"), %%mm4 \n\t" "movd 6(%1, %%"REG_d"), %%mm1 \n\t" "movd 9(%0, %%"REG_d"), %%mm2 \n\t" "movd 9(%1, %%"REG_d"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm4 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm4, %%mm2 \n\t" "psrlw $2, %%mm0 \n\t" "psrlw $2, %%mm2 \n\t" #endif "movq "MANGLE(bgr2VCoeff)", %%mm1 \n\t" "movq "MANGLE(bgr2VCoeff)", %%mm3 \n\t" "pmaddwd %%mm0, %%mm1 \n\t" "pmaddwd %%mm2, %%mm3 \n\t" "pmaddwd %%mm6, %%mm0 \n\t" "pmaddwd %%mm6, %%mm2 \n\t" #ifndef FAST_BGR2YV12 "psrad $8, %%mm0 \n\t" "psrad $8, %%mm1 \n\t" "psrad $8, %%mm2 \n\t" "psrad $8, %%mm3 \n\t" #endif "packssdw %%mm2, %%mm0 \n\t" "packssdw %%mm3, %%mm1 \n\t" "pmaddwd %%mm5, %%mm0 \n\t" "pmaddwd %%mm5, %%mm1 \n\t" "packssdw %%mm1, %%mm0 \n\t" // V1 V0 U1 U0 "psraw $7, %%mm0 \n\t" #if defined (HAVE_MMX2) || defined (HAVE_3DNOW) "movq 12(%0, %%"REG_d"), %%mm4 \n\t" "movq 12(%1, %%"REG_d"), %%mm1 \n\t" "movq 18(%0, %%"REG_d"), %%mm2 \n\t" "movq 18(%1, %%"REG_d"), %%mm3 \n\t" PAVGB" %%mm1, %%mm4 \n\t" PAVGB" %%mm3, %%mm2 \n\t" "movq %%mm4, %%mm1 \n\t" "movq %%mm2, %%mm3 \n\t" "psrlq $24, %%mm4 \n\t" "psrlq $24, %%mm2 \n\t" PAVGB" %%mm1, %%mm4 \n\t" PAVGB" %%mm3, %%mm2 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" #else "movd 12(%0, %%"REG_d"), %%mm4 \n\t" "movd 12(%1, %%"REG_d"), %%mm1 \n\t" "movd 15(%0, %%"REG_d"), %%mm2 \n\t" "movd 15(%1, %%"REG_d"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm4 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm2, %%mm4 \n\t" "movd 18(%0, %%"REG_d"), %%mm5 \n\t" "movd 18(%1, %%"REG_d"), %%mm1 \n\t" "movd 21(%0, %%"REG_d"), %%mm2 \n\t" "movd 21(%1, %%"REG_d"), %%mm3 \n\t" "punpcklbw %%mm7, %%mm5 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm5 \n\t" "paddw %%mm3, %%mm2 \n\t" "paddw %%mm5, %%mm2 \n\t" "movq "MANGLE(w1111)", %%mm5 \n\t" "psrlw $2, %%mm4 \n\t" "psrlw $2, %%mm2 \n\t" #endif "movq "MANGLE(bgr2VCoeff)", %%mm1 \n\t" "movq "MANGLE(bgr2VCoeff)", %%mm3 \n\t" "pmaddwd %%mm4, %%mm1 \n\t" "pmaddwd %%mm2, %%mm3 \n\t" "pmaddwd %%mm6, %%mm4 \n\t" "pmaddwd %%mm6, %%mm2 \n\t" #ifndef FAST_BGR2YV12 "psrad $8, %%mm4 \n\t" "psrad $8, %%mm1 \n\t" "psrad $8, %%mm2 \n\t" "psrad $8, %%mm3 \n\t" #endif "packssdw %%mm2, %%mm4 \n\t" "packssdw %%mm3, %%mm1 \n\t" "pmaddwd %%mm5, %%mm4 \n\t" "pmaddwd %%mm5, %%mm1 \n\t" "add $24, %%"REG_d" \n\t" "packssdw %%mm1, %%mm4 \n\t" // V3 V2 U3 U2 "psraw $7, %%mm4 \n\t" "movq %%mm0, %%mm1 \n\t" "punpckldq %%mm4, %%mm0 \n\t" "punpckhdq %%mm4, %%mm1 \n\t" "packsswb %%mm1, %%mm0 \n\t" "paddb "MANGLE(bgr2UVOffset)", %%mm0 \n\t" "movd %%mm0, (%2, %%"REG_a") \n\t" "punpckhdq %%mm0, %%mm0 \n\t" "movd %%mm0, (%3, %%"REG_a") \n\t" "add $4, %%"REG_a" \n\t" " js 1b \n\t" : : "r" (src+chromWidth*6), "r" (src+srcStride+chromWidth*6), "r" (udst+chromWidth), "r" (vdst+chromWidth), "g" (-chromWidth) : "%"REG_a, "%"REG_d ); udst += chromStride; vdst += chromStride; src += srcStride*2; } asm volatile( EMMS" \n\t" SFENCE" \n\t" :::"memory"); #else y=0; #endif for(; y<height; y+=2) { long i; for(i=0; i<chromWidth; i++) { unsigned int b= src[6*i+0]; unsigned int g= src[6*i+1]; unsigned int r= src[6*i+2]; unsigned int Y = ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16; unsigned int V = ((RV*r + GV*g + BV*b)>>RGB2YUV_SHIFT) + 128; unsigned int U = ((RU*r + GU*g + BU*b)>>RGB2YUV_SHIFT) + 128; udst[i] = U; vdst[i] = V; ydst[2*i] = Y; b= src[6*i+3]; g= src[6*i+4]; r= src[6*i+5]; Y = ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16; ydst[2*i+1] = Y; } ydst += lumStride; src += srcStride; for(i=0; i<chromWidth; i++) { unsigned int b= src[6*i+0]; unsigned int g= src[6*i+1]; unsigned int r= src[6*i+2]; unsigned int Y = ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16; ydst[2*i] = Y; b= src[6*i+3]; g= src[6*i+4]; r= src[6*i+5]; Y = ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16; ydst[2*i+1] = Y; } udst += chromStride; vdst += chromStride; ydst += lumStride; src += srcStride; } }


static inline void gen_mtcr(CPUTriCoreState *env, DisasContext *ctx, TCGv r1, int32_t offset) { if (ctx->hflags & TRICORE_HFLAG_SM) { /* since we're caching PSW make this a special case */ if (offset == 0xfe04) { gen_helper_psw_write(cpu_env, r1); } else { switch (offset) { #include "csfr.def" } } } else { /* generate privilege trap */ } }


m_free(struct mbuf *m) { DEBUG_CALL("m_free"); DEBUG_ARG("m = %lx", (long )m); if(m) { /* Remove from m_usedlist */ if (m->m_flags & M_USEDLIST) remque(m); /* If it's M_EXT, free() it */ if (m->m_flags & M_EXT) free(m->m_ext); /* * Either free() it or put it on the free list */ if (m->m_flags & M_DOFREE) { free(m); m->slirp->mbuf_alloced--; } else if ((m->m_flags & M_FREELIST) == 0) { insque(m,&m->slirp->m_freelist); m->m_flags = M_FREELIST; /* Clobber other flags */ } } /* if(m) */ }


static int qcow_open(BlockDriverState *bs, const char *filename, int flags) { BDRVQcowState *s = bs->opaque; int len, i, shift, ret; QCowHeader header; ret = bdrv_file_open(&s->hd, filename, flags | BDRV_O_AUTOGROW); if (ret < 0) return ret; if (bdrv_pread(s->hd, 0, &header, sizeof(header)) != sizeof(header)) goto fail; be32_to_cpus(&header.magic); be32_to_cpus(&header.version); be64_to_cpus(&header.backing_file_offset); be32_to_cpus(&header.backing_file_size); be64_to_cpus(&header.size); be32_to_cpus(&header.cluster_bits); be32_to_cpus(&header.crypt_method); be64_to_cpus(&header.l1_table_offset); be32_to_cpus(&header.l1_size); be64_to_cpus(&header.refcount_table_offset); be32_to_cpus(&header.refcount_table_clusters); be64_to_cpus(&header.snapshots_offset); be32_to_cpus(&header.nb_snapshots); if (header.magic != QCOW_MAGIC || header.version != QCOW_VERSION) goto fail; if (header.size <= 1 || header.cluster_bits < 9 || header.cluster_bits > 16) goto fail; if (header.crypt_method > QCOW_CRYPT_AES) goto fail; s->crypt_method_header = header.crypt_method; if (s->crypt_method_header) bs->encrypted = 1; s->cluster_bits = header.cluster_bits; s->cluster_size = 1 << s->cluster_bits; s->cluster_sectors = 1 << (s->cluster_bits - 9); s->l2_bits = s->cluster_bits - 3; /* L2 is always one cluster */ s->l2_size = 1 << s->l2_bits; bs->total_sectors = header.size / 512; s->csize_shift = (62 - (s->cluster_bits - 8)); s->csize_mask = (1 << (s->cluster_bits - 8)) - 1; s->cluster_offset_mask = (1LL << s->csize_shift) - 1; s->refcount_table_offset = header.refcount_table_offset; s->refcount_table_size = header.refcount_table_clusters << (s->cluster_bits - 3); s->snapshots_offset = header.snapshots_offset; s->nb_snapshots = header.nb_snapshots; /* read the level 1 table */ s->l1_size = header.l1_size; shift = s->cluster_bits + s->l2_bits; s->l1_vm_state_index = (header.size + (1LL << shift) - 1) >> shift; /* the L1 table must contain at least enough entries to put header.size bytes */ if (s->l1_size < s->l1_vm_state_index) goto fail; s->l1_table_offset = header.l1_table_offset; s->l1_table = qemu_malloc(s->l1_size * sizeof(uint64_t)); if (!s->l1_table) goto fail; if (bdrv_pread(s->hd, s->l1_table_offset, s->l1_table, s->l1_size * sizeof(uint64_t)) != s->l1_size * sizeof(uint64_t)) goto fail; for(i = 0;i < s->l1_size; i++) { be64_to_cpus(&s->l1_table[i]); } /* alloc L2 cache */ s->l2_cache = qemu_malloc(s->l2_size * L2_CACHE_SIZE * sizeof(uint64_t)); if (!s->l2_cache) goto fail; s->cluster_cache = qemu_malloc(s->cluster_size); if (!s->cluster_cache) goto fail; /* one more sector for decompressed data alignment */ s->cluster_data = qemu_malloc(s->cluster_size + 512); if (!s->cluster_data) goto fail; s->cluster_cache_offset = -1; if (refcount_init(bs) < 0) goto fail; /* read the backing file name */ if (header.backing_file_offset != 0) { len = header.backing_file_size; if (len > 1023) len = 1023; if (bdrv_pread(s->hd, header.backing_file_offset, bs->backing_file, len) != len) goto fail; bs->backing_file[len] = '\0'; } if (qcow_read_snapshots(bs) < 0) goto fail; #ifdef DEBUG_ALLOC check_refcounts(bs); #endif return 0; fail: qcow_free_snapshots(bs); refcount_close(bs); qemu_free(s->l1_table); qemu_free(s->l2_cache); qemu_free(s->cluster_cache); qemu_free(s->cluster_data); bdrv_delete(s->hd); return -1; }


static uint32_t rtl8139_io_readl(void *opaque, uint8_t addr) { RTL8139State *s = opaque; uint32_t ret; switch (addr) { case RxMissed: ret = s->RxMissed; DPRINTF("RxMissed read val=0x%08x\n", ret); break; case TxConfig: ret = rtl8139_TxConfig_read(s); break; case RxConfig: ret = rtl8139_RxConfig_read(s); break; case TxStatus0 ... TxStatus0+4*4-1: ret = rtl8139_TxStatus_read(s, addr, 4); break; case TxAddr0 ... TxAddr0+4*4-1: ret = rtl8139_TxAddr_read(s, addr-TxAddr0); break; case RxBuf: ret = rtl8139_RxBuf_read(s); break; case RxRingAddrLO: ret = s->RxRingAddrLO; DPRINTF("C+ RxRing low bits read val=0x%08x\n", ret); break; case RxRingAddrHI: ret = s->RxRingAddrHI; DPRINTF("C+ RxRing high bits read val=0x%08x\n", ret); break; case Timer: ret = muldiv64(qemu_get_clock_ns(vm_clock) - s->TCTR_base, PCI_FREQUENCY, get_ticks_per_sec()); DPRINTF("TCTR Timer read val=0x%08x\n", ret); break; case FlashReg: ret = s->TimerInt; DPRINTF("FlashReg TimerInt read val=0x%08x\n", ret); break; default: DPRINTF("ioport read(l) addr=0x%x via read(b)\n", addr); ret = rtl8139_io_readb(opaque, addr); ret |= rtl8139_io_readb(opaque, addr + 1) << 8; ret |= rtl8139_io_readb(opaque, addr + 2) << 16; ret |= rtl8139_io_readb(opaque, addr + 3) << 24; DPRINTF("read(l) addr=0x%x val=%08x\n", addr, ret); break; } return ret; }


static void video_decode_example(const char *outfilename, const char *filename) { AVCodec *codec; AVCodecContext *c= NULL; int frame, got_picture, len; FILE *f; AVFrame *picture; uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; char buf[1024]; AVPacket avpkt; av_init_packet(&avpkt); /* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */ memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE); printf("Decode video file %s\n", filename); /* find the mpeg1 video decoder */ codec = avcodec_find_decoder(AV_CODEC_ID_MPEG1VIDEO); if (!codec) { fprintf(stderr, "codec not found\n"); exit(1); } c = avcodec_alloc_context3(codec); picture= avcodec_alloc_frame(); if(codec->capabilities&CODEC_CAP_TRUNCATED) c->flags|= CODEC_FLAG_TRUNCATED; /* we do not send complete frames */ /* For some codecs, such as msmpeg4 and mpeg4, width and height MUST be initialized there because this information is not available in the bitstream. */ /* open it */ if (avcodec_open2(c, codec, NULL) < 0) { fprintf(stderr, "could not open codec\n"); exit(1); } /* the codec gives us the frame size, in samples */ f = fopen(filename, "rb"); if (!f) { fprintf(stderr, "could not open %s\n", filename); exit(1); } frame = 0; for(;;) { avpkt.size = fread(inbuf, 1, INBUF_SIZE, f); if (avpkt.size == 0) break; /* NOTE1: some codecs are stream based (mpegvideo, mpegaudio) and this is the only method to use them because you cannot know the compressed data size before analysing it. BUT some other codecs (msmpeg4, mpeg4) are inherently frame based, so you must call them with all the data for one frame exactly. You must also initialize 'width' and 'height' before initializing them. */ /* NOTE2: some codecs allow the raw parameters (frame size, sample rate) to be changed at any frame. We handle this, so you should also take care of it */ /* here, we use a stream based decoder (mpeg1video), so we feed decoder and see if it could decode a frame */ avpkt.data = inbuf; while (avpkt.size > 0) { len = avcodec_decode_video2(c, picture, &got_picture, &avpkt); if (len < 0) { fprintf(stderr, "Error while decoding frame %d\n", frame); exit(1); } if (got_picture) { printf("saving frame %3d\n", frame); fflush(stdout); /* the picture is allocated by the decoder. no need to free it */ snprintf(buf, sizeof(buf), outfilename, frame); pgm_save(picture->data[0], picture->linesize[0], c->width, c->height, buf); frame++; } avpkt.size -= len; avpkt.data += len; } } /* some codecs, such as MPEG, transmit the I and P frame with a latency of one frame. You must do the following to have a chance to get the last frame of the video */ avpkt.data = NULL; avpkt.size = 0; len = avcodec_decode_video2(c, picture, &got_picture, &avpkt); if (got_picture) { printf("saving last frame %3d\n", frame); fflush(stdout); /* the picture is allocated by the decoder. no need to free it */ snprintf(buf, sizeof(buf), outfilename, frame); pgm_save(picture->data[0], picture->linesize[0], c->width, c->height, buf); frame++; } fclose(f); avcodec_close(c); av_free(c); av_free(picture); printf("\n"); }


static int open_input(HLSContext *c, struct playlist *pls, struct segment *seg) { AVDictionary *opts = NULL; int ret; // broker prior HTTP options that should be consistent across requests av_dict_set(&opts, "user-agent", c->user_agent, 0); av_dict_set(&opts, "cookies", c->cookies, 0); av_dict_set(&opts, "headers", c->headers, 0); av_dict_set(&opts, "http_proxy", c->http_proxy, 0); av_dict_set(&opts, "seekable", "0", 0); if (seg->size >= 0) { /* try to restrict the HTTP request to the part we want * (if this is in fact a HTTP request) */ av_dict_set_int(&opts, "offset", seg->url_offset, 0); av_dict_set_int(&opts, "end_offset", seg->url_offset + seg->size, 0); } av_log(pls->parent, AV_LOG_VERBOSE, "HLS request for url '%s', offset %"PRId64", playlist %d\n", seg->url, seg->url_offset, pls->index); if (seg->key_type == KEY_NONE) { ret = open_url(pls->parent, &pls->input, seg->url, c->avio_opts, opts); } else if (seg->key_type == KEY_AES_128) { AVDictionary *opts2 = NULL; char iv[33], key[33], url[MAX_URL_SIZE]; if (strcmp(seg->key, pls->key_url)) { AVIOContext *pb; if (open_url(pls->parent, &pb, seg->key, c->avio_opts, opts) == 0) { ret = avio_read(pb, pls->key, sizeof(pls->key)); if (ret != sizeof(pls->key)) { av_log(NULL, AV_LOG_ERROR, "Unable to read key file %s\n", seg->key); } ff_format_io_close(pls->parent, &pb); } else { av_log(NULL, AV_LOG_ERROR, "Unable to open key file %s\n", seg->key); } av_strlcpy(pls->key_url, seg->key, sizeof(pls->key_url)); } ff_data_to_hex(iv, seg->iv, sizeof(seg->iv), 0); ff_data_to_hex(key, pls->key, sizeof(pls->key), 0); iv[32] = key[32] = '\0'; if (strstr(seg->url, "://")) snprintf(url, sizeof(url), "crypto+%s", seg->url); else snprintf(url, sizeof(url), "crypto:%s", seg->url); av_dict_copy(&opts2, c->avio_opts, 0); av_dict_set(&opts2, "key", key, 0); av_dict_set(&opts2, "iv", iv, 0); ret = open_url(pls->parent, &pls->input, url, opts2, opts); av_dict_free(&opts2); if (ret < 0) { goto cleanup; } ret = 0; } else if (seg->key_type == KEY_SAMPLE_AES) { av_log(pls->parent, AV_LOG_ERROR, "SAMPLE-AES encryption is not supported yet\n"); ret = AVERROR_PATCHWELCOME; } else ret = AVERROR(ENOSYS); /* Seek to the requested position. If this was a HTTP request, the offset * should already be where want it to, but this allows e.g. local testing * without a HTTP server. */ if (ret == 0 && seg->key_type == KEY_NONE && seg->url_offset) { int seekret = avio_seek(pls->input, seg->url_offset, SEEK_SET); if (seekret < 0) { av_log(pls->parent, AV_LOG_ERROR, "Unable to seek to offset %"PRId64" of HLS segment '%s'\n", seg->url_offset, seg->url); ret = seekret; ff_format_io_close(pls->parent, &pls->input); } } cleanup: av_dict_free(&opts); pls->cur_seg_offset = 0; return ret; }


static int dvvideo_decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; DVVideoContext *s = avctx->priv_data; s->sys = dv_frame_profile(buf); if (!s->sys || buf_size < s->sys->frame_size || dv_init_dynamic_tables(s->sys)) return -1; /* NOTE: we only accept several full frames */ if (s->picture.data[0]) avctx->release_buffer(avctx, &s->picture); s->picture.reference = 0; s->picture.key_frame = 1; s->picture.pict_type = FF_I_TYPE; avctx->pix_fmt = s->sys->pix_fmt; avctx->time_base = s->sys->time_base; avcodec_set_dimensions(avctx, s->sys->width, s->sys->height); if (avctx->get_buffer(avctx, &s->picture) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return -1; } s->picture.interlaced_frame = 1; s->picture.top_field_first = 0; s->buf = buf; avctx->execute(avctx, dv_decode_video_segment, s->sys->work_chunks, NULL, dv_work_pool_size(s->sys), sizeof(DVwork_chunk)); emms_c(); /* return image */ *data_size = sizeof(AVFrame); *(AVFrame*)data = s->picture; return s->sys->frame_size; }


target_ulong helper_dvpe(target_ulong arg1) { // TODO arg1 = 0; // rt = arg1 return arg1; }


static void colo_compare_finalize(Object *obj) { CompareState *s = COLO_COMPARE(obj); qemu_chr_fe_deinit(&s->chr_pri_in); qemu_chr_fe_deinit(&s->chr_sec_in); qemu_chr_fe_deinit(&s->chr_out); g_queue_free(&s->conn_list); if (qemu_thread_is_self(&s->thread)) { /* compare connection */ g_queue_foreach(&s->conn_list, colo_compare_connection, s); qemu_thread_join(&s->thread); } g_free(s->pri_indev); g_free(s->sec_indev); g_free(s->outdev); }


void cpu_dump_state(CPUState *env, FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...), int flags) { #if defined(TARGET_PPC64) || 1 #define FILL "" #define RGPL 4 #define RFPL 4 #else #define FILL " " #define RGPL 8 #define RFPL 4 #endif int i; cpu_fprintf(f, "NIP " REGX " LR " REGX " CTR " REGX "\n", env->nip, env->lr, env->ctr); cpu_fprintf(f, "MSR " REGX FILL " XER %08x TB %08x %08x " #if !defined(CONFIG_USER_ONLY) "DECR %08x" #endif "\n", do_load_msr(env), load_xer(env), cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env) #if !defined(CONFIG_USER_ONLY) , cpu_ppc_load_decr(env) #endif ); for (i = 0; i < 32; i++) { if ((i & (RGPL - 1)) == 0) cpu_fprintf(f, "GPR%02d", i); cpu_fprintf(f, " " REGX, env->gpr[i]); if ((i & (RGPL - 1)) == (RGPL - 1)) cpu_fprintf(f, "\n"); } cpu_fprintf(f, "CR "); for (i = 0; i < 8; i++) cpu_fprintf(f, "%01x", env->crf[i]); cpu_fprintf(f, " ["); for (i = 0; i < 8; i++) { char a = '-'; if (env->crf[i] & 0x08) a = 'L'; else if (env->crf[i] & 0x04) a = 'G'; else if (env->crf[i] & 0x02) a = 'E'; cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' '); } cpu_fprintf(f, " ] " FILL "RES " REGX "\n", env->reserve); for (i = 0; i < 32; i++) { if ((i & (RFPL - 1)) == 0) cpu_fprintf(f, "FPR%02d", i); cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i])); if ((i & (RFPL - 1)) == (RFPL - 1)) cpu_fprintf(f, "\n"); } cpu_fprintf(f, "SRR0 " REGX " SRR1 " REGX " " FILL FILL FILL "SDR1 " REGX "\n", env->spr[SPR_SRR0], env->spr[SPR_SRR1], env->sdr1); #undef REGX #undef RGPL #undef RFPL #undef FILL }


static void tci_out_label(TCGContext *s, TCGArg arg) { TCGLabel *label = &s->labels[arg]; if (label->has_value) { tcg_out_i(s, label->u.value); assert(label->u.value); } else { tcg_out_reloc(s, s->code_ptr, sizeof(tcg_target_ulong), arg, 0); tcg_out_i(s, 0); } }


int64_t ff_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts, int64_t pos_min, int64_t pos_max, int64_t pos_limit, int64_t ts_min, int64_t ts_max, int flags, int64_t *ts_ret, int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t )) { int64_t pos, ts; int64_t start_pos, filesize; int no_change; av_dlog(s, "gen_seek: %d %s\n", stream_index, av_ts2str(target_ts)); if(ts_min == AV_NOPTS_VALUE){ pos_min = s->data_offset; ts_min = ff_read_timestamp(s, stream_index, &pos_min, INT64_MAX, read_timestamp); if (ts_min == AV_NOPTS_VALUE) return -1; } if(ts_min >= target_ts){ *ts_ret= ts_min; return pos_min; } if(ts_max == AV_NOPTS_VALUE){ int64_t step= 1024; int64_t limit; filesize = avio_size(s->pb); pos_max = filesize - 1; do{ limit = pos_max; pos_max = FFMAX(0, pos_max - step); ts_max = ff_read_timestamp(s, stream_index, &pos_max, limit, read_timestamp); step += step; }while(ts_max == AV_NOPTS_VALUE && pos_max > 0); if (ts_max == AV_NOPTS_VALUE) return -1; for(;;){ int64_t tmp_pos= pos_max + 1; int64_t tmp_ts= ff_read_timestamp(s, stream_index, &tmp_pos, INT64_MAX, read_timestamp); if(tmp_ts == AV_NOPTS_VALUE) break; ts_max= tmp_ts; pos_max= tmp_pos; if(tmp_pos >= filesize) break; } pos_limit= pos_max; } if(ts_max <= target_ts){ *ts_ret= ts_max; return pos_max; } if(ts_min > ts_max){ return -1; }else if(ts_min == ts_max){ pos_limit= pos_min; } no_change=0; while (pos_min < pos_limit) { av_dlog(s, "pos_min=0x%"PRIx64" pos_max=0x%"PRIx64" dts_min=%s dts_max=%s\n", pos_min, pos_max, av_ts2str(ts_min), av_ts2str(ts_max)); assert(pos_limit <= pos_max); if(no_change==0){ int64_t approximate_keyframe_distance= pos_max - pos_limit; // interpolate position (better than dichotomy) pos = av_rescale(target_ts - ts_min, pos_max - pos_min, ts_max - ts_min) + pos_min - approximate_keyframe_distance; }else if(no_change==1){ // bisection, if interpolation failed to change min or max pos last time pos = (pos_min + pos_limit)>>1; }else{ /* linear search if bisection failed, can only happen if there are very few or no keyframes between min/max */ pos=pos_min; } if(pos <= pos_min) pos= pos_min + 1; else if(pos > pos_limit) pos= pos_limit; start_pos= pos; ts = ff_read_timestamp(s, stream_index, &pos, INT64_MAX, read_timestamp); //may pass pos_limit instead of -1 if(pos == pos_max) no_change++; else no_change=0; av_dlog(s, "%"PRId64" %"PRId64" %"PRId64" / %s %s %s target:%s limit:%"PRId64" start:%"PRId64" noc:%d\n", pos_min, pos, pos_max, av_ts2str(ts_min), av_ts2str(ts), av_ts2str(ts_max), av_ts2str(target_ts), pos_limit, start_pos, no_change); if(ts == AV_NOPTS_VALUE){ av_log(s, AV_LOG_ERROR, "read_timestamp() failed in the middle\n"); return -1; } assert(ts != AV_NOPTS_VALUE); if (target_ts <= ts) { pos_limit = start_pos - 1; pos_max = pos; ts_max = ts; } if (target_ts >= ts) { pos_min = pos; ts_min = ts; } } pos = (flags & AVSEEK_FLAG_BACKWARD) ? pos_min : pos_max; ts = (flags & AVSEEK_FLAG_BACKWARD) ? ts_min : ts_max; #if 0 pos_min = pos; ts_min = ff_read_timestamp(s, stream_index, &pos_min, INT64_MAX, read_timestamp); pos_min++; ts_max = ff_read_timestamp(s, stream_index, &pos_min, INT64_MAX, read_timestamp); av_dlog(s, "pos=0x%"PRIx64" %s<=%s<=%s\n", pos, av_ts2str(ts_min), av_ts2str(target_ts), av_ts2str(ts_max)); #endif *ts_ret= ts; return pos; }


static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s) { AVIOContext *pb_buf; int i, ret, size; uint8_t *buf; for (i = 0; i < s->nb_streams; i++) if (s->flags & AVFMT_FLAG_BITEXACT) { return 0; } ret = avio_open_dyn_buf(&pb_buf); if (ret < 0) return ret; if (mov->mode & MODE_3GP) { mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist"); mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date"); } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0); mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0); mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0); mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0); mov_write_string_metadata(s, pb_buf, "\251day", "date", 0); mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0); mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0); mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0); mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0); } else { /* iTunes meta data */ mov_write_meta_tag(pb_buf, mov, s); } if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL)) mov_write_chpl_tag(pb_buf, s); if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) { avio_wb32(pb, size + 8); ffio_wfourcc(pb, "udta"); avio_write(pb, buf, size); } av_free(buf); return 0; }


static void write_video_frame(AVFormatContext *oc, AVStream *st) { int ret; static struct SwsContext *sws_ctx; AVCodecContext *c = st->codec; if (frame_count >= STREAM_NB_FRAMES) { /* No more frames to compress. The codec has a latency of a few * frames if using B-frames, so we get the last frames by * passing the same picture again. */ } else { if (c->pix_fmt != AV_PIX_FMT_YUV420P) { /* as we only generate a YUV420P picture, we must convert it * to the codec pixel format if needed */ if (!sws_ctx) { sws_ctx = sws_getContext(c->width, c->height, AV_PIX_FMT_YUV420P, c->width, c->height, c->pix_fmt, sws_flags, NULL, NULL, NULL); if (!sws_ctx) { fprintf(stderr, "Could not initialize the conversion context\n"); exit(1); } } fill_yuv_image(&src_picture, frame_count, c->width, c->height); sws_scale(sws_ctx, (const uint8_t * const *)src_picture.data, src_picture.linesize, 0, c->height, dst_picture.data, dst_picture.linesize); } else { fill_yuv_image(&dst_picture, frame_count, c->width, c->height); } } if (oc->oformat->flags & AVFMT_RAWPICTURE) { /* Raw video case - directly store the picture in the packet */ AVPacket pkt; av_init_packet(&pkt); pkt.flags |= AV_PKT_FLAG_KEY; pkt.stream_index = st->index; pkt.data = dst_picture.data[0]; pkt.size = sizeof(AVPicture); ret = av_interleaved_write_frame(oc, &pkt); } else { AVPacket pkt = { 0 }; int got_packet; av_init_packet(&pkt); /* encode the image */ frame->pts = frame_count; ret = avcodec_encode_video2(c, &pkt, frame, &got_packet); if (ret < 0) { fprintf(stderr, "Error encoding video frame: %s\n", av_err2str(ret)); exit(1); } /* If size is zero, it means the image was buffered. */ if (got_packet) { ret = write_frame(oc, &c->time_base, st, &pkt); } else { ret = 0; } } if (ret != 0) { fprintf(stderr, "Error while writing video frame: %s\n", av_err2str(ret)); exit(1); } frame_count++; }


static int h264_mp4toannexb_filter(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe) { H264BSFContext *ctx = bsfc->priv_data; uint8_t unit_type; uint32_t nal_size, cumul_size = 0; /* nothing to filter */ if (!avctx->extradata || avctx->extradata_size < 6) { *poutbuf = (uint8_t*) buf; *poutbuf_size = buf_size; return 0; } /* retrieve sps and pps NAL units from extradata */ if (!ctx->sps_pps_data) { uint16_t unit_size; uint32_t total_size = 0; uint8_t *out = NULL, unit_nb, sps_done = 0; const uint8_t *extradata = avctx->extradata+4; static const uint8_t nalu_header[4] = {0, 0, 0, 1}; /* retrieve length coded size */ ctx->length_size = (*extradata++ & 0x3) + 1; if (ctx->length_size == 3) return AVERROR(EINVAL); /* retrieve sps and pps unit(s) */ unit_nb = *extradata++ & 0x1f; /* number of sps unit(s) */ if (!unit_nb) { unit_nb = *extradata++; /* number of pps unit(s) */ sps_done++; } while (unit_nb--) { unit_size = AV_RB16(extradata); total_size += unit_size+4; if (extradata+2+unit_size > avctx->extradata+avctx->extradata_size) { av_free(out); return AVERROR(EINVAL); } out = av_realloc(out, total_size); if (!out) return AVERROR(ENOMEM); memcpy(out+total_size-unit_size-4, nalu_header, 4); memcpy(out+total_size-unit_size, extradata+2, unit_size); extradata += 2+unit_size; if (!unit_nb && !sps_done++) unit_nb = *extradata++; /* number of pps unit(s) */ } ctx->sps_pps_data = out; ctx->size = total_size; ctx->first_idr = 1; } *poutbuf_size = 0; *poutbuf = NULL; do { if (ctx->length_size == 1) nal_size = buf[0]; else if (ctx->length_size == 2) nal_size = AV_RB16(buf); else nal_size = AV_RB32(buf); buf += ctx->length_size; unit_type = *buf & 0x1f; /* prepend only to the first type 5 NAL unit of an IDR picture */ if (ctx->first_idr && unit_type == 5) { alloc_and_copy(poutbuf, poutbuf_size, ctx->sps_pps_data, ctx->size, buf, nal_size); ctx->first_idr = 0; } else { alloc_and_copy(poutbuf, poutbuf_size, NULL, 0, buf, nal_size); if (!ctx->first_idr && unit_type == 1) ctx->first_idr = 1; } buf += nal_size; cumul_size += nal_size + ctx->length_size; } while (cumul_size < buf_size); return 1; }


static uint_fast8_t vorbis_floor0_decode(vorbis_context *vc, vorbis_floor_data *vfu, float *vec) { vorbis_floor0 * vf=&vfu->t0; float * lsp=vf->lsp; uint_fast32_t amplitude; uint_fast32_t book_idx; amplitude=get_bits(&vc->gb, vf->amplitude_bits); if (amplitude>0) { float last = 0; uint_fast16_t lsp_len = 0; uint_fast16_t idx; vorbis_codebook codebook; book_idx=get_bits(&vc->gb, ilog(vf->num_books)); if ( book_idx >= vf->num_books ) { av_log( vc->avccontext, AV_LOG_ERROR, "floor0 dec: booknumber too high!\n" ); //FIXME: look above } AV_DEBUG( "floor0 dec: booknumber: %u\n", book_idx ); codebook=vc->codebooks[vf->book_list[book_idx]]; while (lsp_len<vf->order) { int vec_off; AV_DEBUG( "floor0 dec: book dimension: %d\n", codebook.dimensions ); AV_DEBUG( "floor0 dec: maximum depth: %d\n", codebook.maxdepth ); /* read temp vector */ vec_off=get_vlc2(&vc->gb, codebook.vlc.table, codebook.nb_bits, codebook.maxdepth ) * codebook.dimensions; AV_DEBUG( "floor0 dec: vector offset: %d\n", vec_off ); /* copy each vector component and add last to it */ for (idx=0; idx<codebook.dimensions; ++idx) { lsp[lsp_len+idx]=codebook.codevectors[vec_off+idx]+last; } last=lsp[lsp_len+idx-1]; /* set last to last vector component */ lsp_len += codebook.dimensions; } #ifdef V_DEBUG /* DEBUG: output lsp coeffs */ { int idx; for ( idx = 0; idx < lsp_len; ++idx ) AV_DEBUG("floor0 dec: coeff at %d is %f\n", idx, lsp[idx] ); } #endif /* synthesize floor output vector */ { int i; int order=vf->order; float wstep=M_PI/vf->bark_map_size; for(i=0;i<order;i++) { lsp[i]=2.0f*cos(lsp[i]); } AV_DEBUG("floor0 synth: map_size=%d; m=%d; wstep=%f\n", vf->map_size, order, wstep); i=0; while(i<vf->map_size) { int j, iter_cond=vf->map[i]; float p=0.5f; float q=0.5f; float two_cos_w=2.0f*cos(wstep*iter_cond); // needed all times /* similar part for the q and p products */ for(j=0;j<order;j+=2) { q *= lsp[j] -two_cos_w; p *= lsp[j+1]-two_cos_w; } if(j==order) { // even order p *= p*(2.0f-two_cos_w); q *= q*(2.0f+two_cos_w); } else { // odd order q *= two_cos_w-lsp[j]; // one more time for q /* final step and square */ p *= p*(4.f-two_cos_w*two_cos_w); q *= q; } /* calculate linear floor value */ { int_fast32_t pow_of_two=2, exponent=vf->amplitude_bits; if ( vf->amplitude_bits ) { while ( --exponent ) { pow_of_two <<= 1; } } else { pow_of_two=1; } q=exp( ( ( (amplitude*vf->amplitude_offset)/ ((pow_of_two-1) * sqrt(p+q)) ) - vf->amplitude_offset ) * .11512925f ); } /* fill vector */ do { vec[i]=q; ++i; }while(vf->map[i]==iter_cond); } } } else { /* this channel is unused */ return 1; } AV_DEBUG(" Floor0 decoded\n"); return 0; }


static void check_itxfm(void) { LOCAL_ALIGNED_32(uint8_t, src, [32 * 32 * 2]); LOCAL_ALIGNED_32(uint8_t, dst, [32 * 32 * 2]); LOCAL_ALIGNED_32(uint8_t, dst0, [32 * 32 * 2]); LOCAL_ALIGNED_32(uint8_t, dst1, [32 * 32 * 2]); LOCAL_ALIGNED_32(int16_t, coef, [32 * 32 * 2]); LOCAL_ALIGNED_32(int16_t, subcoef0, [32 * 32 * 2]); LOCAL_ALIGNED_32(int16_t, subcoef1, [32 * 32 * 2]); declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob); VP9DSPContext dsp; int y, x, tx, txtp, bit_depth, sub; static const char *const txtp_types[N_TXFM_TYPES] = { [DCT_DCT] = "dct_dct", [DCT_ADST] = "adst_dct", [ADST_DCT] = "dct_adst", [ADST_ADST] = "adst_adst" }; for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) { ff_vp9dsp_init(&dsp, bit_depth, 0); for (tx = TX_4X4; tx <= N_TXFM_SIZES /* 4 = lossless */; tx++) { int sz = 4 << (tx & 3); int n_txtps = tx < TX_32X32 ? N_TXFM_TYPES : 1; for (txtp = 0; txtp < n_txtps; txtp++) { if (check_func(dsp.itxfm_add[tx][txtp], "vp9_inv_%s_%dx%d_add_%d", tx == 4 ? "wht_wht" : txtp_types[txtp], sz, sz, bit_depth)) { randomize_buffers(); ftx(coef, tx, txtp, sz, bit_depth); for (sub = (txtp == 0) ? 1 : 2; sub <= sz; sub <<= 1) { int eob; if (sub < sz) { eob = copy_subcoefs(subcoef0, coef, tx, txtp, sz, sub, bit_depth); } else { eob = sz * sz; memcpy(subcoef0, coef, sz * sz * SIZEOF_COEF); } memcpy(dst0, dst, sz * sz * SIZEOF_PIXEL); memcpy(dst1, dst, sz * sz * SIZEOF_PIXEL); memcpy(subcoef1, subcoef0, sz * sz * SIZEOF_COEF); call_ref(dst0, sz * SIZEOF_PIXEL, subcoef0, eob); call_new(dst1, sz * SIZEOF_PIXEL, subcoef1, eob); if (memcmp(dst0, dst1, sz * sz * SIZEOF_PIXEL) || !iszero(subcoef0, sz * sz * SIZEOF_COEF) || !iszero(subcoef1, sz * sz * SIZEOF_COEF)) fail(); } bench_new(dst, sz * SIZEOF_PIXEL, coef, sz * sz); } } } } report("itxfm"); }


void ff_put_h264_qpel4_mc32_msa(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) { avc_luma_midh_qrt_4w_msa(src - (2 * stride) - 2, stride, dst, stride, 4, 1); }


static void put_ebml_utf8(ByteIOContext *pb, unsigned int elementid, char *str) { put_ebml_binary(pb, elementid, str, strlen(str)); }


static void compute_antialias_fixed(MPADecodeContext *s, GranuleDef *g) { int32_t *ptr, *csa; int n, i; /* we antialias only "long" bands */ if (g->block_type == 2) { if (!g->switch_point) return; /* XXX: check this for 8000Hz case */ n = 1; } else { n = SBLIMIT - 1; } ptr = g->sb_hybrid + 18; for(i = n;i > 0;i--) { int tmp0, tmp1, tmp2; csa = &csa_table[0][0]; #define INT_AA(j) \ tmp0 = ptr[-1-j];\ tmp1 = ptr[ j];\ tmp2= MULH(tmp0 + tmp1, csa[0+4*j]);\ ptr[-1-j] = 4*(tmp2 - MULH(tmp1, csa[2+4*j]));\ ptr[ j] = 4*(tmp2 + MULH(tmp0, csa[3+4*j])); INT_AA(0) INT_AA(1) INT_AA(2) INT_AA(3) INT_AA(4) INT_AA(5) INT_AA(6) INT_AA(7) ptr += 18; } }


av_cold struct FFIIRFilterCoeffs* ff_iir_filter_init_coeffs(enum IIRFilterType filt_type, enum IIRFilterMode filt_mode, int order, float cutoff_ratio, float stopband, float ripple) { int i, j; FFIIRFilterCoeffs *c; double wa; double p[MAXORDER + 1][2]; if(filt_type != FF_FILTER_TYPE_BUTTERWORTH || filt_mode != FF_FILTER_MODE_LOWPASS) return NULL; if(order <= 1 || (order & 1) || order > MAXORDER || cutoff_ratio >= 1.0) return NULL; c = av_malloc(sizeof(FFIIRFilterCoeffs)); c->cx = av_malloc(sizeof(c->cx[0]) * ((order >> 1) + 1)); c->cy = av_malloc(sizeof(c->cy[0]) * order); c->order = order; wa = 2 * tan(M_PI * 0.5 * cutoff_ratio); c->cx[0] = 1; for(i = 1; i < (order >> 1) + 1; i++) c->cx[i] = c->cx[i - 1] * (order - i + 1LL) / i; p[0][0] = 1.0; p[0][1] = 0.0; for(i = 1; i <= order; i++) p[i][0] = p[i][1] = 0.0; for(i = 0; i < order; i++){ double zp[2]; double th = (i + (order >> 1) + 0.5) * M_PI / order; double a_re, a_im, c_re, c_im; zp[0] = cos(th) * wa; zp[1] = sin(th) * wa; a_re = zp[0] + 2.0; c_re = zp[0] - 2.0; a_im = c_im = zp[1]; zp[0] = (a_re * c_re + a_im * c_im) / (c_re * c_re + c_im * c_im); zp[1] = (a_im * c_re - a_re * c_im) / (c_re * c_re + c_im * c_im); for(j = order; j >= 1; j--) { a_re = p[j][0]; a_im = p[j][1]; p[j][0] = a_re*zp[0] - a_im*zp[1] + p[j-1][0]; p[j][1] = a_re*zp[1] + a_im*zp[0] + p[j-1][1]; } a_re = p[0][0]*zp[0] - p[0][1]*zp[1]; p[0][1] = p[0][0]*zp[1] + p[0][1]*zp[0]; p[0][0] = a_re; } c->gain = p[order][0]; for(i = 0; i < order; i++){ c->gain += p[i][0]; c->cy[i] = (-p[i][0] * p[order][0] + -p[i][1] * p[order][1]) / (p[order][0] * p[order][0] + p[order][1] * p[order][1]); } c->gain /= 1 << order; return c; }


static inline uint64_t ram_chunk_index(const uint8_t *start, const uint8_t *host) { return ((uintptr_t) host - (uintptr_t) start) >> RDMA_REG_CHUNK_SHIFT; }


static void av_estimate_timings_from_bit_rate(AVFormatContext *ic) { int64_t filesize, duration; int bit_rate, i; AVStream *st; /* if bit_rate is already set, we believe it */ if (ic->bit_rate == 0) { bit_rate = 0; for(i=0;i<ic->nb_streams;i++) { st = ic->streams[i]; bit_rate += st->codec->bit_rate; } ic->bit_rate = bit_rate; } /* if duration is already set, we believe it */ if (ic->duration == AV_NOPTS_VALUE && ic->bit_rate != 0 && ic->file_size != 0) { filesize = ic->file_size; if (filesize > 0) { for(i = 0; i < ic->nb_streams; i++) { st = ic->streams[i]; duration= av_rescale(8*filesize, st->time_base.den, ic->bit_rate*(int64_t)st->time_base.num); if (st->duration == AV_NOPTS_VALUE) st->duration = duration; } } } }


static void arm_tr_insn_start(DisasContextBase *dcbase, CPUState *cpu) { DisasContext *dc = container_of(dcbase, DisasContext, base); dc->insn_start_idx = tcg_op_buf_count(); tcg_gen_insn_start(dc->pc, (dc->condexec_cond << 4) | (dc->condexec_mask >> 1), 0); }


static void fft(AC3MDCTContext *mdct, IComplex *z, int ln) { int j, l, np, np2; int nblocks, nloops; register IComplex *p,*q; int tmp_re, tmp_im; np = 1 << ln; /* reverse */ for (j = 0; j < np; j++) { int k = av_reverse[j] >> (8 - ln); if (k < j) FFSWAP(IComplex, z[k], z[j]); } /* pass 0 */ p = &z[0]; j = np >> 1; do { BF(p[0].re, p[0].im, p[1].re, p[1].im, p[0].re, p[0].im, p[1].re, p[1].im); p += 2; } while (--j); /* pass 1 */ p = &z[0]; j = np >> 2; do { BF(p[0].re, p[0].im, p[2].re, p[2].im, p[0].re, p[0].im, p[2].re, p[2].im); BF(p[1].re, p[1].im, p[3].re, p[3].im, p[1].re, p[1].im, p[3].im, -p[3].re); p+=4; } while (--j); /* pass 2 .. ln-1 */ nblocks = np >> 3; nloops = 1 << 2; np2 = np >> 1; do { p = z; q = z + nloops; for (j = 0; j < nblocks; j++) { BF(p->re, p->im, q->re, q->im, p->re, p->im, q->re, q->im); p++; q++; for(l = nblocks; l < np2; l += nblocks) { CMUL(tmp_re, tmp_im, mdct->costab[l], -mdct->sintab[l], q->re, q->im); BF(p->re, p->im, q->re, q->im, p->re, p->im, tmp_re, tmp_im); p++; q++; } p += nloops; q += nloops; } nblocks = nblocks >> 1; nloops = nloops << 1; } while (nblocks); }


static int mjpeg_decode_init(AVCodecContext *avctx) { MJpegDecodeContext *s = avctx->priv_data; MpegEncContext s2; s->avctx = avctx; /* ugly way to get the idct & scantable FIXME */ memset(&s2, 0, sizeof(MpegEncContext)); s2.avctx= avctx; // s2->out_format = FMT_MJPEG; dsputil_init(&s2.dsp, avctx); DCT_common_init(&s2); s->scantable= s2.intra_scantable; s->idct_put= s2.dsp.idct_put; s->mpeg_enc_ctx_allocated = 0; s->buffer_size = 102400; /* smaller buffer should be enough, but photojpg files could ahive bigger sizes */ s->buffer = av_malloc(s->buffer_size); if (!s->buffer) return -1; s->start_code = -1; s->first_picture = 1; s->org_height = avctx->coded_height; build_vlc(&s->vlcs[0][0], bits_dc_luminance, val_dc_luminance, 12); build_vlc(&s->vlcs[0][1], bits_dc_chrominance, val_dc_chrominance, 12); build_vlc(&s->vlcs[1][0], bits_ac_luminance, val_ac_luminance, 251); build_vlc(&s->vlcs[1][1], bits_ac_chrominance, val_ac_chrominance, 251); if (avctx->flags & CODEC_FLAG_EXTERN_HUFF) { av_log(avctx, AV_LOG_INFO, "mjpeg: using external huffman table\n"); init_get_bits(&s->gb, avctx->extradata, avctx->extradata_size*8); mjpeg_decode_dht(s); /* should check for error - but dunno */ } return 0; }


int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src) { int ret; dst->owner = src->owner; ret = av_frame_ref(dst->f, src->f); if (ret < 0) return ret; av_assert0(!dst->progress); if (src->progress && !(dst->progress = av_buffer_ref(src->progress))) { ff_thread_release_buffer(dst->owner, dst); return AVERROR(ENOMEM); } return 0; }


void zipl_load(void) { ScsiMbr *mbr = (void *)sec; LDL_VTOC *vlbl = (void *)sec; /* Grab the MBR */ memset(sec, FREE_SPACE_FILLER, sizeof(sec)); read_block(0, mbr, "Cannot read block 0"); dputs("checking magic\n"); if (magic_match(mbr->magic, ZIPL_MAGIC)) { ipl_scsi(); /* no return */ } /* Check if we can boot as ISO media */ if (virtio_guessed_disk_nature()) { virtio_assume_iso9660(); } ipl_iso_el_torito(); /* We have failed to follow the SCSI scheme, so */ if (virtio_guessed_disk_nature()) { sclp_print("Using guessed DASD geometry.\n"); virtio_assume_eckd(); } print_eckd_msg(); if (magic_match(mbr->magic, IPL1_MAGIC)) { ipl_eckd_cdl(); /* no return */ } /* LDL/CMS? */ memset(sec, FREE_SPACE_FILLER, sizeof(sec)); read_block(2, vlbl, "Cannot read block 2"); if (magic_match(vlbl->magic, CMS1_MAGIC)) { ipl_eckd_ldl(ECKD_CMS); /* no return */ } if (magic_match(vlbl->magic, LNX1_MAGIC)) { ipl_eckd_ldl(ECKD_LDL); /* no return */ } ipl_eckd_ldl(ECKD_LDL_UNLABELED); /* it still may return */ /* * Ok, it is not a LDL by any means. * It still might be a CDL with zero record keys for IPL1 and IPL2 */ ipl_eckd_cdl(); virtio_panic("\n* this can never happen *\n"); }


void ppc_set_irq(PowerPCCPU *cpu, int n_IRQ, int level) { CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; unsigned int old_pending = env->pending_interrupts; if (level) { env->pending_interrupts |= 1 << n_IRQ; cpu_interrupt(cs, CPU_INTERRUPT_HARD); } else { env->pending_interrupts &= ~(1 << n_IRQ); if (env->pending_interrupts == 0) { cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); } } if (old_pending != env->pending_interrupts) { #ifdef CONFIG_KVM kvmppc_set_interrupt(cpu, n_IRQ, level); #endif } LOG_IRQ("%s: %p n_IRQ %d level %d => pending %08" PRIx32 "req %08x\n", __func__, env, n_IRQ, level, env->pending_interrupts, CPU(cpu)->interrupt_request); }


static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev) { VFIOQuirk *quirk; /* * As long as the BAR is >= 256 bytes it will be aligned such that the * lower byte is always zero. Filter out anything else, if it exists. */ if (!vfio_pci_is(vdev, PCI_VENDOR_ID_ATI, PCI_ANY_ID) || !vdev->bars[4].ioport || vdev->bars[4].region.size < 256) { return; } quirk = g_malloc0(sizeof(*quirk)); quirk->mem = g_malloc0(sizeof(MemoryRegion)); quirk->nr_mem = 1; memory_region_init_io(quirk->mem, OBJECT(vdev), &vfio_ati_3c3_quirk, vdev, "vfio-ati-3c3-quirk", 1); memory_region_add_subregion(&vdev->vga.region[QEMU_PCI_VGA_IO_HI].mem, 3 /* offset 3 bytes from 0x3c0 */, quirk->mem); QLIST_INSERT_HEAD(&vdev->vga.region[QEMU_PCI_VGA_IO_HI].quirks, quirk, next); trace_vfio_quirk_ati_3c3_probe(vdev->vbasedev.name); }


static void mem_info(Monitor *mon) { CPUState *env; int l1, l2, prot, last_prot; uint32_t pgd, pde, pte, start, end; env = mon_get_cpu(); if (!env) return; if (!(env->cr[0] & CR0_PG_MASK)) { monitor_printf(mon, "PG disabled\n"); return; } pgd = env->cr[3] & ~0xfff; last_prot = 0; start = -1; for(l1 = 0; l1 < 1024; l1++) { cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4); pde = le32_to_cpu(pde); end = l1 << 22; if (pde & PG_PRESENT_MASK) { if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK); mem_print(mon, &start, &last_prot, end, prot); } else { for(l2 = 0; l2 < 1024; l2++) { cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, (uint8_t *)&pte, 4); pte = le32_to_cpu(pte); end = (l1 << 22) + (l2 << 12); if (pte & PG_PRESENT_MASK) { prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK); } else { prot = 0; } mem_print(mon, &start, &last_prot, end, prot); } } } else { prot = 0; mem_print(mon, &start, &last_prot, end, prot); } } }


CharDriverState *chr_testdev_init(void) { TestdevCharState *testdev; CharDriverState *chr; testdev = g_malloc0(sizeof(TestdevCharState)); testdev->chr = chr = g_malloc0(sizeof(CharDriverState)); chr->opaque = testdev; chr->chr_write = testdev_write; chr->chr_close = testdev_close; return chr; }


static int coroutine_fn bdrv_co_do_writev(BlockDriverState *bs, int64_t sector_num, int nb_sectors, QEMUIOVector *qiov) { BlockDriver *drv = bs->drv; BdrvTrackedRequest req; int ret; if (!bs->drv) { return -ENOMEDIUM; if (bs->read_only) { return -EACCES; if (bdrv_check_request(bs, sector_num, nb_sectors)) { return -EIO; /* throttling disk write I/O */ if (bs->io_limits_enabled) { bdrv_io_limits_intercept(bs, true, nb_sectors); tracked_request_begin(&req, bs, sector_num, nb_sectors, true); ret = drv->bdrv_co_writev(bs, sector_num, nb_sectors, qiov); if (bs->dirty_bitmap) { set_dirty_bitmap(bs, sector_num, nb_sectors, 1); if (bs->wr_highest_sector < sector_num + nb_sectors - 1) { bs->wr_highest_sector = sector_num + nb_sectors - 1; tracked_request_end(&req); return ret;


void *etraxfs_eth_init(NICInfo *nd, target_phys_addr_t base, int phyaddr) { struct etraxfs_dma_client *dma = NULL; struct fs_eth *eth = NULL; qemu_check_nic_model(nd, "fseth"); dma = qemu_mallocz(sizeof *dma * 2); eth = qemu_mallocz(sizeof *eth); dma[0].client.push = eth_tx_push; dma[0].client.opaque = eth; dma[1].client.opaque = eth; dma[1].client.pull = NULL; eth->dma_out = dma; eth->dma_in = dma + 1; /* Connect the phy. */ eth->phyaddr = phyaddr & 0x1f; tdk_init(&eth->phy); mdio_attach(&eth->mdio_bus, &eth->phy, eth->phyaddr); eth->ethregs = cpu_register_io_memory(eth_read, eth_write, eth); cpu_register_physical_memory (base, 0x5c, eth->ethregs); eth->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name, eth_can_receive, eth_receive, NULL, eth_cleanup, eth); eth->vc->opaque = eth; eth->vc->link_status_changed = eth_set_link; return dma; }


static void do_udp_write(void *arg, void *buf, int size) { URLContext *h = arg; UDPContext *s = h->priv_data; int ret; if (!(h->flags & AVIO_FLAG_NONBLOCK)) { ret = ff_network_wait_fd(s->udp_fd, 1); if (ret < 0) { s->circular_buffer_error = ret; return; } } if (!s->is_connected) { ret = sendto (s->udp_fd, buf, size, 0, (struct sockaddr *) &s->dest_addr, s->dest_addr_len); } else ret = send(s->udp_fd, buf, size, 0); s->circular_buffer_error=ret; }


av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *avctx) { FFPsyPreprocessContext *ctx; int i; float cutoff_coeff = 0; ctx = av_mallocz(sizeof(FFPsyPreprocessContext)); ctx->avctx = avctx; if (avctx->cutoff > 0) cutoff_coeff = 2.0 * avctx->cutoff / avctx->sample_rate; if (cutoff_coeff) ctx->fcoeffs = ff_iir_filter_init_coeffs(FF_FILTER_TYPE_BUTTERWORTH, FF_FILTER_MODE_LOWPASS, FILT_ORDER, cutoff_coeff, 0.0, 0.0); if (ctx->fcoeffs) { ctx->fstate = av_mallocz(sizeof(ctx->fstate[0]) * avctx->channels); for (i = 0; i < avctx->channels; i++) ctx->fstate[i] = ff_iir_filter_init_state(FILT_ORDER); } return ctx; }


static QVirtioPCIDevice *virtio_blk_pci_init(QPCIBus *bus, int slot) { QVirtioPCIDevice *dev; dev = qvirtio_pci_device_find(bus, VIRTIO_ID_BLOCK); g_assert(dev != NULL); g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_BLOCK); g_assert_cmphex(dev->pdev->devfn, ==, ((slot << 3) | PCI_FN)); qvirtio_pci_device_enable(dev); qvirtio_reset(&dev->vdev); qvirtio_set_acknowledge(&dev->vdev); qvirtio_set_driver(&dev->vdev); return dev; }


static int64_t coroutine_fn bdrv_co_get_block_status(BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum, BlockDriverState **file) { int64_t total_sectors; int64_t n; int64_t ret, ret2; total_sectors = bdrv_nb_sectors(bs); if (total_sectors < 0) { return total_sectors; } if (sector_num >= total_sectors) { *pnum = 0; return BDRV_BLOCK_EOF; } n = total_sectors - sector_num; if (n < nb_sectors) { nb_sectors = n; } if (!bs->drv->bdrv_co_get_block_status) { *pnum = nb_sectors; ret = BDRV_BLOCK_DATA | BDRV_BLOCK_ALLOCATED; if (sector_num + nb_sectors == total_sectors) { ret |= BDRV_BLOCK_EOF; } if (bs->drv->protocol_name) { ret |= BDRV_BLOCK_OFFSET_VALID | (sector_num * BDRV_SECTOR_SIZE); } return ret; } *file = NULL; bdrv_inc_in_flight(bs); ret = bs->drv->bdrv_co_get_block_status(bs, sector_num, nb_sectors, pnum, file); if (ret < 0) { *pnum = 0; goto out; } if (ret & BDRV_BLOCK_RAW) { assert(ret & BDRV_BLOCK_OFFSET_VALID); ret = bdrv_co_get_block_status(*file, ret >> BDRV_SECTOR_BITS, *pnum, pnum, file); goto out; } if (ret & (BDRV_BLOCK_DATA | BDRV_BLOCK_ZERO)) { ret |= BDRV_BLOCK_ALLOCATED; } else { if (bdrv_unallocated_blocks_are_zero(bs)) { ret |= BDRV_BLOCK_ZERO; } else if (bs->backing) { BlockDriverState *bs2 = bs->backing->bs; int64_t nb_sectors2 = bdrv_nb_sectors(bs2); if (nb_sectors2 >= 0 && sector_num >= nb_sectors2) { ret |= BDRV_BLOCK_ZERO; } } } if (*file && *file != bs && (ret & BDRV_BLOCK_DATA) && !(ret & BDRV_BLOCK_ZERO) && (ret & BDRV_BLOCK_OFFSET_VALID)) { BlockDriverState *file2; int file_pnum; ret2 = bdrv_co_get_block_status(*file, ret >> BDRV_SECTOR_BITS, *pnum, &file_pnum, &file2); if (ret2 >= 0) { /* Ignore errors. This is just providing extra information, it * is useful but not necessary. */ if (ret2 & BDRV_BLOCK_EOF && (!file_pnum || ret2 & BDRV_BLOCK_ZERO)) { /* * It is valid for the format block driver to read * beyond the end of the underlying file's current * size; such areas read as zero. */ ret |= BDRV_BLOCK_ZERO; } else { /* Limit request to the range reported by the protocol driver */ *pnum = file_pnum; ret |= (ret2 & BDRV_BLOCK_ZERO); } } } out: bdrv_dec_in_flight(bs); if (ret >= 0 && sector_num + *pnum == total_sectors) { ret |= BDRV_BLOCK_EOF; } return ret; }


static int qcow2_do_open(BlockDriverState *bs, QDict *options, int flags, Error **errp) { BDRVQcow2State *s = bs->opaque; unsigned int len, i; int ret = 0; QCowHeader header; Error *local_err = NULL; uint64_t ext_end; uint64_t l1_vm_state_index; ret = bdrv_pread(bs->file, 0, &header, sizeof(header)); if (ret < 0) { error_setg_errno(errp, -ret, "Could not read qcow2 header"); goto fail; } be32_to_cpus(&header.magic); be32_to_cpus(&header.version); be64_to_cpus(&header.backing_file_offset); be32_to_cpus(&header.backing_file_size); be64_to_cpus(&header.size); be32_to_cpus(&header.cluster_bits); be32_to_cpus(&header.crypt_method); be64_to_cpus(&header.l1_table_offset); be32_to_cpus(&header.l1_size); be64_to_cpus(&header.refcount_table_offset); be32_to_cpus(&header.refcount_table_clusters); be64_to_cpus(&header.snapshots_offset); be32_to_cpus(&header.nb_snapshots); if (header.magic != QCOW_MAGIC) { error_setg(errp, "Image is not in qcow2 format"); ret = -EINVAL; goto fail; } if (header.version < 2 || header.version > 3) { error_setg(errp, "Unsupported qcow2 version %" PRIu32, header.version); ret = -ENOTSUP; goto fail; } s->qcow_version = header.version; /* Initialise cluster size */ if (header.cluster_bits < MIN_CLUSTER_BITS || header.cluster_bits > MAX_CLUSTER_BITS) { error_setg(errp, "Unsupported cluster size: 2^%" PRIu32, header.cluster_bits); ret = -EINVAL; goto fail; } s->cluster_bits = header.cluster_bits; s->cluster_size = 1 << s->cluster_bits; s->cluster_sectors = 1 << (s->cluster_bits - 9); /* Initialise version 3 header fields */ if (header.version == 2) { header.incompatible_features = 0; header.compatible_features = 0; header.autoclear_features = 0; header.refcount_order = 4; header.header_length = 72; } else { be64_to_cpus(&header.incompatible_features); be64_to_cpus(&header.compatible_features); be64_to_cpus(&header.autoclear_features); be32_to_cpus(&header.refcount_order); be32_to_cpus(&header.header_length); if (header.header_length < 104) { error_setg(errp, "qcow2 header too short"); ret = -EINVAL; goto fail; } } if (header.header_length > s->cluster_size) { error_setg(errp, "qcow2 header exceeds cluster size"); ret = -EINVAL; goto fail; } if (header.header_length > sizeof(header)) { s->unknown_header_fields_size = header.header_length - sizeof(header); s->unknown_header_fields = g_malloc(s->unknown_header_fields_size); ret = bdrv_pread(bs->file, sizeof(header), s->unknown_header_fields, s->unknown_header_fields_size); if (ret < 0) { error_setg_errno(errp, -ret, "Could not read unknown qcow2 header " "fields"); goto fail; } } if (header.backing_file_offset > s->cluster_size) { error_setg(errp, "Invalid backing file offset"); ret = -EINVAL; goto fail; } if (header.backing_file_offset) { ext_end = header.backing_file_offset; } else { ext_end = 1 << header.cluster_bits; } /* Handle feature bits */ s->incompatible_features = header.incompatible_features; s->compatible_features = header.compatible_features; s->autoclear_features = header.autoclear_features; if (s->incompatible_features & ~QCOW2_INCOMPAT_MASK) { void *feature_table = NULL; qcow2_read_extensions(bs, header.header_length, ext_end, &feature_table, NULL); report_unsupported_feature(errp, feature_table, s->incompatible_features & ~QCOW2_INCOMPAT_MASK); ret = -ENOTSUP; g_free(feature_table); goto fail; } if (s->incompatible_features & QCOW2_INCOMPAT_CORRUPT) { /* Corrupt images may not be written to unless they are being repaired */ if ((flags & BDRV_O_RDWR) && !(flags & BDRV_O_CHECK)) { error_setg(errp, "qcow2: Image is corrupt; cannot be opened " "read/write"); ret = -EACCES; goto fail; } } /* Check support for various header values */ if (header.refcount_order > 6) { error_setg(errp, "Reference count entry width too large; may not " "exceed 64 bits"); ret = -EINVAL; goto fail; } s->refcount_order = header.refcount_order; s->refcount_bits = 1 << s->refcount_order; s->refcount_max = UINT64_C(1) << (s->refcount_bits - 1); s->refcount_max += s->refcount_max - 1; if (header.crypt_method > QCOW_CRYPT_AES) { error_setg(errp, "Unsupported encryption method: %" PRIu32, header.crypt_method); ret = -EINVAL; goto fail; } s->crypt_method_header = header.crypt_method; if (s->crypt_method_header) { if (bdrv_uses_whitelist() && s->crypt_method_header == QCOW_CRYPT_AES) { error_setg(errp, "Use of AES-CBC encrypted qcow2 images is no longer " "supported in system emulators"); error_append_hint(errp, "You can use 'qemu-img convert' to convert your " "image to an alternative supported format, such " "as unencrypted qcow2, or raw with the LUKS " "format instead.\n"); ret = -ENOSYS; goto fail; } bs->encrypted = true; bs->valid_key = true; } s->l2_bits = s->cluster_bits - 3; /* L2 is always one cluster */ s->l2_size = 1 << s->l2_bits; /* 2^(s->refcount_order - 3) is the refcount width in bytes */ s->refcount_block_bits = s->cluster_bits - (s->refcount_order - 3); s->refcount_block_size = 1 << s->refcount_block_bits; bs->total_sectors = header.size / 512; s->csize_shift = (62 - (s->cluster_bits - 8)); s->csize_mask = (1 << (s->cluster_bits - 8)) - 1; s->cluster_offset_mask = (1LL << s->csize_shift) - 1; s->refcount_table_offset = header.refcount_table_offset; s->refcount_table_size = header.refcount_table_clusters << (s->cluster_bits - 3); if (header.refcount_table_clusters > qcow2_max_refcount_clusters(s)) { error_setg(errp, "Reference count table too large"); ret = -EINVAL; goto fail; } ret = validate_table_offset(bs, s->refcount_table_offset, s->refcount_table_size, sizeof(uint64_t)); if (ret < 0) { error_setg(errp, "Invalid reference count table offset"); goto fail; } /* Snapshot table offset/length */ if (header.nb_snapshots > QCOW_MAX_SNAPSHOTS) { error_setg(errp, "Too many snapshots"); ret = -EINVAL; goto fail; } ret = validate_table_offset(bs, header.snapshots_offset, header.nb_snapshots, sizeof(QCowSnapshotHeader)); if (ret < 0) { error_setg(errp, "Invalid snapshot table offset"); goto fail; } /* read the level 1 table */ if (header.l1_size > QCOW_MAX_L1_SIZE / sizeof(uint64_t)) { error_setg(errp, "Active L1 table too large"); ret = -EFBIG; goto fail; } s->l1_size = header.l1_size; l1_vm_state_index = size_to_l1(s, header.size); if (l1_vm_state_index > INT_MAX) { error_setg(errp, "Image is too big"); ret = -EFBIG; goto fail; } s->l1_vm_state_index = l1_vm_state_index; /* the L1 table must contain at least enough entries to put header.size bytes */ if (s->l1_size < s->l1_vm_state_index) { error_setg(errp, "L1 table is too small"); ret = -EINVAL; goto fail; } ret = validate_table_offset(bs, header.l1_table_offset, header.l1_size, sizeof(uint64_t)); if (ret < 0) { error_setg(errp, "Invalid L1 table offset"); goto fail; } s->l1_table_offset = header.l1_table_offset; if (s->l1_size > 0) { s->l1_table = qemu_try_blockalign(bs->file->bs, align_offset(s->l1_size * sizeof(uint64_t), 512)); if (s->l1_table == NULL) { error_setg(errp, "Could not allocate L1 table"); ret = -ENOMEM; goto fail; } ret = bdrv_pread(bs->file, s->l1_table_offset, s->l1_table, s->l1_size * sizeof(uint64_t)); if (ret < 0) { error_setg_errno(errp, -ret, "Could not read L1 table"); goto fail; } for(i = 0;i < s->l1_size; i++) { be64_to_cpus(&s->l1_table[i]); } } /* Parse driver-specific options */ ret = qcow2_update_options(bs, options, flags, errp); if (ret < 0) { goto fail; } s->cluster_cache = g_malloc(s->cluster_size); /* one more sector for decompressed data alignment */ s->cluster_data = qemu_try_blockalign(bs->file->bs, QCOW_MAX_CRYPT_CLUSTERS * s->cluster_size + 512); if (s->cluster_data == NULL) { error_setg(errp, "Could not allocate temporary cluster buffer"); ret = -ENOMEM; goto fail; } s->cluster_cache_offset = -1; s->flags = flags; ret = qcow2_refcount_init(bs); if (ret != 0) { error_setg_errno(errp, -ret, "Could not initialize refcount handling"); goto fail; } QLIST_INIT(&s->cluster_allocs); QTAILQ_INIT(&s->discards); /* read qcow2 extensions */ if (qcow2_read_extensions(bs, header.header_length, ext_end, NULL, &local_err)) { error_propagate(errp, local_err); ret = -EINVAL; goto fail; } if (s->crypt_method_header == QCOW_CRYPT_AES) { unsigned int cflags = 0; if (flags & BDRV_O_NO_IO) { cflags |= QCRYPTO_BLOCK_OPEN_NO_IO; } s->crypto = qcrypto_block_open(s->crypto_opts, NULL, NULL, cflags, errp); if (!s->crypto) { ret = -EINVAL; goto fail; } } /* read the backing file name */ if (header.backing_file_offset != 0) { len = header.backing_file_size; if (len > MIN(1023, s->cluster_size - header.backing_file_offset) || len >= sizeof(bs->backing_file)) { error_setg(errp, "Backing file name too long"); ret = -EINVAL; goto fail; } ret = bdrv_pread(bs->file, header.backing_file_offset, bs->backing_file, len); if (ret < 0) { error_setg_errno(errp, -ret, "Could not read backing file name"); goto fail; } bs->backing_file[len] = '\0'; s->image_backing_file = g_strdup(bs->backing_file); } /* Internal snapshots */ s->snapshots_offset = header.snapshots_offset; s->nb_snapshots = header.nb_snapshots; ret = qcow2_read_snapshots(bs); if (ret < 0) { error_setg_errno(errp, -ret, "Could not read snapshots"); goto fail; } /* Clear unknown autoclear feature bits */ if (!bs->read_only && !(flags & BDRV_O_INACTIVE) && s->autoclear_features) { s->autoclear_features = 0; ret = qcow2_update_header(bs); if (ret < 0) { error_setg_errno(errp, -ret, "Could not update qcow2 header"); goto fail; } } /* Initialise locks */ qemu_co_mutex_init(&s->lock); bs->supported_zero_flags = BDRV_REQ_MAY_UNMAP; /* Repair image if dirty */ if (!(flags & (BDRV_O_CHECK | BDRV_O_INACTIVE)) && !bs->read_only && (s->incompatible_features & QCOW2_INCOMPAT_DIRTY)) { BdrvCheckResult result = {0}; ret = qcow2_check(bs, &result, BDRV_FIX_ERRORS | BDRV_FIX_LEAKS); if (ret < 0) { error_setg_errno(errp, -ret, "Could not repair dirty image"); goto fail; } } #ifdef DEBUG_ALLOC { BdrvCheckResult result = {0}; qcow2_check_refcounts(bs, &result, 0); } #endif return ret; fail: g_free(s->unknown_header_fields); cleanup_unknown_header_ext(bs); qcow2_free_snapshots(bs); qcow2_refcount_close(bs); qemu_vfree(s->l1_table); /* else pre-write overlap checks in cache_destroy may crash */ s->l1_table = NULL; cache_clean_timer_del(bs); if (s->l2_table_cache) { qcow2_cache_destroy(bs, s->l2_table_cache); } if (s->refcount_block_cache) { qcow2_cache_destroy(bs, s->refcount_block_cache); } g_free(s->cluster_cache); qemu_vfree(s->cluster_data); qcrypto_block_free(s->crypto); qapi_free_QCryptoBlockOpenOptions(s->crypto_opts); return ret; }


static void *qemu_tcg_cpu_thread_fn(void *arg) { CPUState *cpu = arg; rcu_register_thread(); qemu_mutex_lock_iothread(); qemu_thread_get_self(cpu->thread); CPU_FOREACH(cpu) { cpu->thread_id = qemu_get_thread_id(); cpu->created = true; cpu->can_do_io = 1; } qemu_cond_signal(&qemu_cpu_cond); /* wait for initial kick-off after machine start */ while (first_cpu->stopped) { qemu_cond_wait(first_cpu->halt_cond, &qemu_global_mutex); /* process any pending work */ CPU_FOREACH(cpu) { qemu_wait_io_event_common(cpu); } } start_tcg_kick_timer(); cpu = first_cpu; /* process any pending work */ cpu->exit_request = 1; while (1) { /* Account partial waits to QEMU_CLOCK_VIRTUAL. */ qemu_account_warp_timer(); if (!cpu) { cpu = first_cpu; } while (cpu && !cpu->queued_work_first && !cpu->exit_request) { atomic_mb_set(&tcg_current_rr_cpu, cpu); qemu_clock_enable(QEMU_CLOCK_VIRTUAL, (cpu->singlestep_enabled & SSTEP_NOTIMER) == 0); if (cpu_can_run(cpu)) { int r; r = tcg_cpu_exec(cpu); if (r == EXCP_DEBUG) { cpu_handle_guest_debug(cpu); break; } } else if (cpu->stop || cpu->stopped) { if (cpu->unplug) { cpu = CPU_NEXT(cpu); } break; } cpu = CPU_NEXT(cpu); } /* while (cpu && !cpu->exit_request).. */ /* Does not need atomic_mb_set because a spurious wakeup is okay. */ atomic_set(&tcg_current_rr_cpu, NULL); if (cpu && cpu->exit_request) { atomic_mb_set(&cpu->exit_request, 0); } handle_icount_deadline(); qemu_tcg_wait_io_event(QTAILQ_FIRST(&cpus)); deal_with_unplugged_cpus(); } return NULL; }


static void png_filter_row(PNGDSPContext *dsp, uint8_t *dst, int filter_type, uint8_t *src, uint8_t *last, int size, int bpp) { int i, p, r, g, b, a; switch (filter_type) { case PNG_FILTER_VALUE_NONE: memcpy(dst, src, size); break; case PNG_FILTER_VALUE_SUB: for (i = 0; i < bpp; i++) { dst[i] = src[i]; } if (bpp == 4) { p = *(int*)dst; for (; i < size; i += bpp) { int s = *(int*)(src + i); p = ((s & 0x7f7f7f7f) + (p & 0x7f7f7f7f)) ^ ((s ^ p) & 0x80808080); *(int*)(dst + i) = p; } } else { #define OP_SUB(x,s,l) x+s UNROLL_FILTER(OP_SUB); } break; case PNG_FILTER_VALUE_UP: dsp->add_bytes_l2(dst, src, last, size); break; case PNG_FILTER_VALUE_AVG: for (i = 0; i < bpp; i++) { p = (last[i] >> 1); dst[i] = p + src[i]; } #define OP_AVG(x,s,l) (((x + l) >> 1) + s) & 0xff UNROLL_FILTER(OP_AVG); break; case PNG_FILTER_VALUE_PAETH: for (i = 0; i < bpp; i++) { p = last[i]; dst[i] = p + src[i]; } if (bpp > 2 && size > 4) { // would write off the end of the array if we let it process the last pixel with bpp=3 int w = bpp == 4 ? size : size - 3; dsp->add_paeth_prediction(dst + i, src + i, last + i, w - i, bpp); i = w; } ff_add_png_paeth_prediction(dst + i, src + i, last + i, size - i, bpp); break; } }


static void vp56_mc(VP56Context *s, int b, int plane, uint8_t *src, int stride, int x, int y) { uint8_t *dst = s->frames[VP56_FRAME_CURRENT]->data[plane] + s->block_offset[b]; uint8_t *src_block; int src_offset; int overlap_offset = 0; int mask = s->vp56_coord_div[b] - 1; int deblock_filtering = s->deblock_filtering; int dx; int dy; if (s->avctx->skip_loop_filter >= AVDISCARD_ALL || (s->avctx->skip_loop_filter >= AVDISCARD_NONKEY && !s->frames[VP56_FRAME_CURRENT]->key_frame)) deblock_filtering = 0; dx = s->mv[b].x / s->vp56_coord_div[b]; dy = s->mv[b].y / s->vp56_coord_div[b]; if (b >= 4) { x /= 2; y /= 2; } x += dx - 2; y += dy - 2; if (x<0 || x+12>=s->plane_width[plane] || y<0 || y+12>=s->plane_height[plane]) { s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src + s->block_offset[b] + (dy-2)*stride + (dx-2), stride, 12, 12, x, y, s->plane_width[plane], s->plane_height[plane]); src_block = s->edge_emu_buffer; src_offset = 2 + 2*stride; } else if (deblock_filtering) { /* only need a 12x12 block, but there is no such dsp function, */ /* so copy a 16x12 block */ s->hdsp.put_pixels_tab[0][0](s->edge_emu_buffer, src + s->block_offset[b] + (dy-2)*stride + (dx-2), stride, 12); src_block = s->edge_emu_buffer; src_offset = 2 + 2*stride; } else { src_block = src; src_offset = s->block_offset[b] + dy*stride + dx; } if (deblock_filtering) vp56_deblock_filter(s, src_block, stride, dx&7, dy&7); if (s->mv[b].x & mask) overlap_offset += (s->mv[b].x > 0) ? 1 : -1; if (s->mv[b].y & mask) overlap_offset += (s->mv[b].y > 0) ? stride : -stride; if (overlap_offset) { if (s->filter) s->filter(s, dst, src_block, src_offset, src_offset+overlap_offset, stride, s->mv[b], mask, s->filter_selection, b<4); else s->vp3dsp.put_no_rnd_pixels_l2(dst, src_block+src_offset, src_block+src_offset+overlap_offset, stride, 8); } else { s->hdsp.put_pixels_tab[1][0](dst, src_block+src_offset, stride, 8); } }


static int elf_core_dump(int signr, const CPUArchState *env) { const CPUState *cpu = ENV_GET_CPU((CPUArchState *)env); const TaskState *ts = (const TaskState *)cpu->opaque; struct vm_area_struct *vma = NULL; char corefile[PATH_MAX]; struct elf_note_info info; struct elfhdr elf; struct elf_phdr phdr; struct rlimit dumpsize; struct mm_struct *mm = NULL; off_t offset = 0, data_offset = 0; int segs = 0; int fd = -1; init_note_info(&info); errno = 0; getrlimit(RLIMIT_CORE, &dumpsize); if (dumpsize.rlim_cur == 0) return 0; if (core_dump_filename(ts, corefile, sizeof (corefile)) < 0) return (-errno); if ((fd = open(corefile, O_WRONLY | O_CREAT, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) return (-errno); /* * Walk through target process memory mappings and * set up structure containing this information. After * this point vma_xxx functions can be used. */ if ((mm = vma_init()) == NULL) goto out; walk_memory_regions(mm, vma_walker); segs = vma_get_mapping_count(mm); /* * Construct valid coredump ELF header. We also * add one more segment for notes. */ fill_elf_header(&elf, segs + 1, ELF_MACHINE, 0); if (dump_write(fd, &elf, sizeof (elf)) != 0) goto out; /* fill in the in-memory version of notes */ if (fill_note_info(&info, signr, env) < 0) goto out; offset += sizeof (elf); /* elf header */ offset += (segs + 1) * sizeof (struct elf_phdr); /* program headers */ /* write out notes program header */ fill_elf_note_phdr(&phdr, info.notes_size, offset); offset += info.notes_size; if (dump_write(fd, &phdr, sizeof (phdr)) != 0) goto out; /* * ELF specification wants data to start at page boundary so * we align it here. */ data_offset = offset = roundup(offset, ELF_EXEC_PAGESIZE); /* * Write program headers for memory regions mapped in * the target process. */ for (vma = vma_first(mm); vma != NULL; vma = vma_next(vma)) { (void) memset(&phdr, 0, sizeof (phdr)); phdr.p_type = PT_LOAD; phdr.p_offset = offset; phdr.p_vaddr = vma->vma_start; phdr.p_paddr = 0; phdr.p_filesz = vma_dump_size(vma); offset += phdr.p_filesz; phdr.p_memsz = vma->vma_end - vma->vma_start; phdr.p_flags = vma->vma_flags & PROT_READ ? PF_R : 0; if (vma->vma_flags & PROT_WRITE) phdr.p_flags |= PF_W; if (vma->vma_flags & PROT_EXEC) phdr.p_flags |= PF_X; phdr.p_align = ELF_EXEC_PAGESIZE; bswap_phdr(&phdr, 1); dump_write(fd, &phdr, sizeof (phdr)); } /* * Next we write notes just after program headers. No * alignment needed here. */ if (write_note_info(&info, fd) < 0) goto out; /* align data to page boundary */ if (lseek(fd, data_offset, SEEK_SET) != data_offset) goto out; /* * Finally we can dump process memory into corefile as well. */ for (vma = vma_first(mm); vma != NULL; vma = vma_next(vma)) { abi_ulong addr; abi_ulong end; end = vma->vma_start + vma_dump_size(vma); for (addr = vma->vma_start; addr < end; addr += TARGET_PAGE_SIZE) { char page[TARGET_PAGE_SIZE]; int error; /* * Read in page from target process memory and * write it to coredump file. */ error = copy_from_user(page, addr, sizeof (page)); if (error != 0) { (void) fprintf(stderr, "unable to dump " TARGET_ABI_FMT_lx "\n", addr); errno = -error; goto out; } if (dump_write(fd, page, TARGET_PAGE_SIZE) < 0) goto out; } } out: free_note_info(&info); if (mm != NULL) vma_delete(mm); (void) close(fd); if (errno != 0) return (-errno); return (0); }


void qemu_acl_reset(qemu_acl *acl) { qemu_acl_entry *entry; /* Put back to deny by default, so there is no window * of "open access" while the user re-initializes the * access control list */ acl->defaultDeny = 1; QTAILQ_FOREACH(entry, &acl->entries, next) { QTAILQ_REMOVE(&acl->entries, entry, next); free(entry->match); free(entry); } acl->nentries = 0; }


void ff_id3v2_read(AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta) { id3v2_read_internal(s->pb, &s->metadata, s, magic, extra_meta); }


static int qemu_loadvm_state(QEMUFile *f) { SaveStateEntry *se; int len, ret, instance_id, record_len, version_id; int64_t total_len, end_pos, cur_pos; unsigned int v; char idstr[256]; v = qemu_get_be32(f); if (v != QEMU_VM_FILE_MAGIC) goto fail; v = qemu_get_be32(f); if (v != QEMU_VM_FILE_VERSION) { fail: ret = -1; goto the_end; } total_len = qemu_get_be64(f); end_pos = total_len + qemu_ftell(f); for(;;) { if (qemu_ftell(f) >= end_pos) break; len = qemu_get_byte(f); qemu_get_buffer(f, (uint8_t *)idstr, len); idstr[len] = '\0'; instance_id = qemu_get_be32(f); version_id = qemu_get_be32(f); record_len = qemu_get_be32(f); #if 0 printf("idstr=%s instance=0x%x version=%d len=%d\n", idstr, instance_id, version_id, record_len); #endif cur_pos = qemu_ftell(f); se = find_se(idstr, instance_id); if (!se) { fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", instance_id, idstr); } else { ret = se->load_state(f, se->opaque, version_id); if (ret < 0) { fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", instance_id, idstr); } } /* always seek to exact end of record */ qemu_fseek(f, cur_pos + record_len, SEEK_SET); } ret = 0; the_end: return ret; }


int ff_h263_decode_picture_header(MpegEncContext *s) { int format, width, height, i; uint32_t startcode; align_get_bits(&s->gb); if (show_bits(&s->gb, 2) == 2 && s->avctx->frame_number == 0) { av_log(s->avctx, AV_LOG_WARNING, "Header looks like RTP instead of H.263\n"); } startcode= get_bits(&s->gb, 22-8); for(i= get_bits_left(&s->gb); i>24; i-=8) { startcode = ((startcode << 8) | get_bits(&s->gb, 8)) & 0x003FFFFF; if(startcode == 0x20) break; } if (startcode != 0x20) { av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n"); return -1; } /* temporal reference */ i = get_bits(&s->gb, 8); /* picture timestamp */ if( (s->picture_number&~0xFF)+i < s->picture_number) i+= 256; s->picture_number= (s->picture_number&~0xFF) + i; /* PTYPE starts here */ if (get_bits1(&s->gb) != 1) { /* marker */ av_log(s->avctx, AV_LOG_ERROR, "Bad marker\n"); return -1; } if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "Bad H263 id\n"); return -1; /* h263 id */ } skip_bits1(&s->gb); /* split screen off */ skip_bits1(&s->gb); /* camera off */ skip_bits1(&s->gb); /* freeze picture release off */ format = get_bits(&s->gb, 3); /* 0 forbidden 1 sub-QCIF 10 QCIF 7 extended PTYPE (PLUSPTYPE) */ if (format != 7 && format != 6) { s->h263_plus = 0; /* H.263v1 */ width = ff_h263_format[format][0]; height = ff_h263_format[format][1]; if (!width) return -1; s->pict_type = AV_PICTURE_TYPE_I + get_bits1(&s->gb); s->h263_long_vectors = get_bits1(&s->gb); if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "H263 SAC not supported\n"); return -1; /* SAC: off */ } s->obmc= get_bits1(&s->gb); /* Advanced prediction mode */ s->unrestricted_mv = s->h263_long_vectors || s->obmc; s->pb_frame = get_bits1(&s->gb); s->chroma_qscale= s->qscale = get_bits(&s->gb, 5); skip_bits1(&s->gb); /* Continuous Presence Multipoint mode: off */ s->width = width; s->height = height; s->avctx->sample_aspect_ratio= (AVRational){12,11}; s->avctx->framerate = (AVRational){ 30000, 1001 }; } else { int ufep; /* H.263v2 */ s->h263_plus = 1; ufep = get_bits(&s->gb, 3); /* Update Full Extended PTYPE */ /* ufep other than 0 and 1 are reserved */ if (ufep == 1) { /* OPPTYPE */ format = get_bits(&s->gb, 3); av_dlog(s->avctx, "ufep=1, format: %d\n", format); s->custom_pcf= get_bits1(&s->gb); s->umvplus = get_bits1(&s->gb); /* Unrestricted Motion Vector */ if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "Syntax-based Arithmetic Coding (SAC) not supported\n"); } s->obmc= get_bits1(&s->gb); /* Advanced prediction mode */ s->h263_aic = get_bits1(&s->gb); /* Advanced Intra Coding (AIC) */ s->loop_filter= get_bits1(&s->gb); s->unrestricted_mv = s->umvplus || s->obmc || s->loop_filter; if(s->avctx->lowres) s->loop_filter = 0; s->h263_slice_structured= get_bits1(&s->gb); if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "Reference Picture Selection not supported\n"); } if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "Independent Segment Decoding not supported\n"); } s->alt_inter_vlc= get_bits1(&s->gb); s->modified_quant= get_bits1(&s->gb); if(s->modified_quant) s->chroma_qscale_table= ff_h263_chroma_qscale_table; skip_bits(&s->gb, 1); /* Prevent start code emulation */ skip_bits(&s->gb, 3); /* Reserved */ } else if (ufep != 0) { av_log(s->avctx, AV_LOG_ERROR, "Bad UFEP type (%d)\n", ufep); return -1; } /* MPPTYPE */ s->pict_type = get_bits(&s->gb, 3); switch(s->pict_type){ case 0: s->pict_type= AV_PICTURE_TYPE_I;break; case 1: s->pict_type= AV_PICTURE_TYPE_P;break; case 2: s->pict_type= AV_PICTURE_TYPE_P;s->pb_frame = 3;break; case 3: s->pict_type= AV_PICTURE_TYPE_B;break; case 7: s->pict_type= AV_PICTURE_TYPE_I;break; //ZYGO default: return -1; } skip_bits(&s->gb, 2); s->no_rounding = get_bits1(&s->gb); skip_bits(&s->gb, 4); /* Get the picture dimensions */ if (ufep) { if (format == 6) { /* Custom Picture Format (CPFMT) */ s->aspect_ratio_info = get_bits(&s->gb, 4); av_dlog(s->avctx, "aspect: %d\n", s->aspect_ratio_info); /* aspect ratios: 0 - forbidden 1 - 1:1 2 - 12:11 (CIF 4:3) 3 - 10:11 (525-type 4:3) 4 - 16:11 (CIF 16:9) 5 - 40:33 (525-type 16:9) 6-14 - reserved */ width = (get_bits(&s->gb, 9) + 1) * 4; skip_bits1(&s->gb); height = get_bits(&s->gb, 9) * 4; av_dlog(s->avctx, "\nH.263+ Custom picture: %dx%d\n",width,height); if (s->aspect_ratio_info == FF_ASPECT_EXTENDED) { /* aspected dimensions */ s->avctx->sample_aspect_ratio.num= get_bits(&s->gb, 8); s->avctx->sample_aspect_ratio.den= get_bits(&s->gb, 8); }else{ s->avctx->sample_aspect_ratio= ff_h263_pixel_aspect[s->aspect_ratio_info]; } } else { width = ff_h263_format[format][0]; height = ff_h263_format[format][1]; s->avctx->sample_aspect_ratio= (AVRational){12,11}; } s->avctx->sample_aspect_ratio.den <<= s->ehc_mode; if ((width == 0) || (height == 0)) return -1; s->width = width; s->height = height; if(s->custom_pcf){ int gcd; s->avctx->framerate.num = 1800000; s->avctx->framerate.den = 1000 + get_bits1(&s->gb); s->avctx->framerate.den *= get_bits(&s->gb, 7); if(s->avctx->framerate.den == 0){ av_log(s, AV_LOG_ERROR, "zero framerate\n"); return -1; } gcd= av_gcd(s->avctx->framerate.den, s->avctx->framerate.num); s->avctx->framerate.den /= gcd; s->avctx->framerate.num /= gcd; }else{ s->avctx->framerate = (AVRational){ 30000, 1001 }; } } if(s->custom_pcf){ skip_bits(&s->gb, 2); //extended Temporal reference } if (ufep) { if (s->umvplus) { if(get_bits1(&s->gb)==0) /* Unlimited Unrestricted Motion Vectors Indicator (UUI) */ skip_bits1(&s->gb); } if(s->h263_slice_structured){ if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "rectangular slices not supported\n"); } if (get_bits1(&s->gb) != 0) { av_log(s->avctx, AV_LOG_ERROR, "unordered slices not supported\n"); } } } s->qscale = get_bits(&s->gb, 5); } if (s->width == 0 || s->height == 0) { av_log(s->avctx, AV_LOG_ERROR, "dimensions 0\n"); return -1; } s->mb_width = (s->width + 15) / 16; s->mb_height = (s->height + 15) / 16; s->mb_num = s->mb_width * s->mb_height; if (s->pb_frame) { skip_bits(&s->gb, 3); /* Temporal reference for B-pictures */ if (s->custom_pcf) skip_bits(&s->gb, 2); //extended Temporal reference skip_bits(&s->gb, 2); /* Quantization information for B-pictures */ } if (s->pict_type!=AV_PICTURE_TYPE_B) { s->time = s->picture_number; s->pp_time = s->time - s->last_non_b_time; s->last_non_b_time = s->time; }else{ s->time = s->picture_number; s->pb_time = s->pp_time - (s->last_non_b_time - s->time); if (s->pp_time <=s->pb_time || s->pp_time <= s->pp_time - s->pb_time || s->pp_time <= 0){ s->pp_time = 2; s->pb_time = 1; } ff_mpeg4_init_direct_mv(s); } /* PEI */ if (skip_1stop_8data_bits(&s->gb) < 0) return AVERROR_INVALIDDATA; if(s->h263_slice_structured){ if (get_bits1(&s->gb) != 1) { av_log(s->avctx, AV_LOG_ERROR, "SEPB1 marker missing\n"); return -1; } ff_h263_decode_mba(s); if (get_bits1(&s->gb) != 1) { av_log(s->avctx, AV_LOG_ERROR, "SEPB2 marker missing\n"); return -1; } } s->f_code = 1; if(s->h263_aic){ s->y_dc_scale_table= s->c_dc_scale_table= ff_aic_dc_scale_table; }else{ s->y_dc_scale_table= s->c_dc_scale_table= ff_mpeg1_dc_scale_table; } ff_h263_show_pict_info(s); if (s->pict_type == AV_PICTURE_TYPE_I && s->codec_tag == AV_RL32("ZYGO") && get_bits_left(&s->gb) >= 85 + 13*3*16 + 50){ int i,j; for(i=0; i<85; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb)); av_log(s->avctx, AV_LOG_DEBUG, "\n"); for(i=0; i<13; i++){ for(j=0; j<3; j++){ int v= get_bits(&s->gb, 8); v |= get_sbits(&s->gb, 8)<<8; av_log(s->avctx, AV_LOG_DEBUG, " %5d", v); } av_log(s->avctx, AV_LOG_DEBUG, "\n"); } for(i=0; i<50; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb)); } return 0; }


static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, bool add_ca, bool compute_ca, bool compute_ov, bool compute_rc0) { TCGv t0 = ret; if (((compute_ca && add_ca) || compute_ov) && (TCGV_EQUAL(ret, arg1) || TCGV_EQUAL(ret, arg2))) { t0 = tcg_temp_new(); } if (compute_ca) { TCGv zero = tcg_const_tl(0); if (add_ca) { tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, cpu_ca, zero); tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, arg2, zero); } else { tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, arg2, zero); } tcg_temp_free(zero); } else { tcg_gen_add_tl(t0, arg1, arg2); if (add_ca) { tcg_gen_add_tl(t0, t0, cpu_ca); } } if (compute_ov) { gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0); } if (unlikely(compute_rc0)) { gen_set_Rc0(ctx, t0); } if (!TCGV_EQUAL(t0, ret)) { tcg_gen_mov_tl(ret, t0); tcg_temp_free(t0); } }


static void qxl_check_state(PCIQXLDevice *d) { QXLRam *ram = d->ram; assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring)); assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring)); }


static inline uint64_t inline_cvttq(CPUAlphaState *env, uint64_t a, int roundmode, int VI) { uint64_t frac, ret = 0; uint32_t exp, sign, exc = 0; int shift; sign = (a >> 63); exp = (uint32_t)(a >> 52) & 0x7ff; frac = a & 0xfffffffffffffull; if (exp == 0) { if (unlikely(frac != 0)) { goto do_underflow; } } else if (exp == 0x7ff) { exc = (frac ? FPCR_INV : VI ? FPCR_OVF : 0); } else { /* Restore implicit bit. */ frac |= 0x10000000000000ull; shift = exp - 1023 - 52; if (shift >= 0) { /* In this case the number is so large that we must shift the fraction left. There is no rounding to do. */ if (shift < 63) { ret = frac << shift; if (VI && (ret >> shift) != frac) { exc = FPCR_OVF; } } } else { uint64_t round; /* In this case the number is smaller than the fraction as represented by the 52 bit number. Here we must think about rounding the result. Handle this by shifting the fractional part of the number into the high bits of ROUND. This will let us efficiently handle round-to-nearest. */ shift = -shift; if (shift < 63) { ret = frac >> shift; round = frac << (64 - shift); } else { /* The exponent is so small we shift out everything. Leave a sticky bit for proper rounding below. */ do_underflow: round = 1; } if (round) { exc = (VI ? FPCR_INE : 0); switch (roundmode) { case float_round_nearest_even: if (round == (1ull << 63)) { /* Fraction is exactly 0.5; round to even. */ ret += (ret & 1); } else if (round > (1ull << 63)) { ret += 1; } break; case float_round_to_zero: break; case float_round_up: ret += 1 - sign; break; case float_round_down: ret += sign; break; } } } if (sign) { ret = -ret; } } env->error_code = exc; return ret; }


static inline void ff_mpeg4_set_one_direct_mv(MpegEncContext *s, int mx, int my, int i){ static const int tab_size = sizeof(s->direct_scale_mv[0])/sizeof(int16_t); static const int tab_bias = (tab_size/2); int xy= s->block_index[i]; uint16_t time_pp= s->pp_time; uint16_t time_pb= s->pb_time; int p_mx, p_my; p_mx= s->next_picture.motion_val[0][xy][0]; if((unsigned)(p_mx + tab_bias) < tab_size){ s->mv[0][i][0] = s->direct_scale_mv[0][p_mx + tab_bias] + mx; s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx : s->direct_scale_mv[1][p_mx + tab_bias]; }else{ s->mv[0][i][0] = p_mx*time_pb/time_pp + mx; s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx : p_mx*(time_pb - time_pp)/time_pp; } p_my= s->next_picture.motion_val[0][xy][1]; if((unsigned)(p_my + tab_bias) < tab_size){ s->mv[0][i][1] = s->direct_scale_mv[0][p_my + tab_bias] + my; s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my : s->direct_scale_mv[1][p_my + tab_bias]; }else{ s->mv[0][i][1] = p_my*time_pb/time_pp + my; s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my : p_my*(time_pb - time_pp)/time_pp; } }


static int read_braindead_odml_indx(AVFormatContext *s, int frame_num){ AVIContext *avi = s->priv_data; AVIOContext *pb = s->pb; int longs_pre_entry= avio_rl16(pb); int index_sub_type = avio_r8(pb); int index_type = avio_r8(pb); int entries_in_use = avio_rl32(pb); int chunk_id = avio_rl32(pb); int64_t base = avio_rl64(pb); int stream_id= 10*((chunk_id&0xFF) - '0') + (((chunk_id>>8)&0xFF) - '0'); AVStream *st; AVIStream *ast; int i; int64_t last_pos= -1; int64_t filesize= avi->fsize; av_dlog(s, "longs_pre_entry:%d index_type:%d entries_in_use:%d chunk_id:%X base:%16"PRIX64"\n", longs_pre_entry,index_type, entries_in_use, chunk_id, base); if(stream_id >= s->nb_streams || stream_id < 0) return -1; st= s->streams[stream_id]; ast = st->priv_data; if(index_sub_type) return -1; avio_rl32(pb); if(index_type && longs_pre_entry != 2) return -1; if(index_type>1) return -1; if(filesize > 0 && base >= filesize){ av_log(s, AV_LOG_ERROR, "ODML index invalid\n"); if(base>>32 == (base & 0xFFFFFFFF) && (base & 0xFFFFFFFF) < filesize && filesize <= 0xFFFFFFFF) base &= 0xFFFFFFFF; else return -1; } for(i=0; i<entries_in_use; i++){ if(index_type){ int64_t pos= avio_rl32(pb) + base - 8; int len = avio_rl32(pb); int key= len >= 0; len &= 0x7FFFFFFF; #ifdef DEBUG_SEEK av_log(s, AV_LOG_ERROR, "pos:%"PRId64", len:%X\n", pos, len); #endif if(url_feof(pb)) return -1; if(last_pos == pos || pos == base - 8) avi->non_interleaved= 1; if(last_pos != pos && (len || !ast->sample_size)) av_add_index_entry(st, pos, ast->cum_len, len, 0, key ? AVINDEX_KEYFRAME : 0); ast->cum_len += get_duration(ast, len); last_pos= pos; }else{ int64_t offset, pos; int duration; offset = avio_rl64(pb); avio_rl32(pb); /* size */ duration = avio_rl32(pb); if(url_feof(pb)) return -1; pos = avio_tell(pb); if(avi->odml_depth > MAX_ODML_DEPTH){ av_log(s, AV_LOG_ERROR, "Too deeply nested ODML indexes\n"); return -1; } avio_seek(pb, offset+8, SEEK_SET); avi->odml_depth++; read_braindead_odml_indx(s, frame_num); avi->odml_depth--; frame_num += duration; avio_seek(pb, pos, SEEK_SET); } } avi->index_loaded=1; return 0; }


static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused) { #if COMPILE_TEMPLATE_MMX assert(src1==src2); RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_RGB24); #else int i; assert(src1==src2); for (i=0; i<width; i++) { int r= src1[3*i + 0]; int g= src1[3*i + 1]; int b= src1[3*i + 2]; dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT; dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT; } #endif }


static Visitor *visitor_input_test_init_raw(TestInputVisitorData *data, const char *json_string) { Visitor *v; data->obj = qobject_from_json(json_string); g_assert(data->obj != NULL); data->qiv = qmp_input_visitor_new(data->obj); g_assert(data->qiv != NULL); v = qmp_input_get_visitor(data->qiv); g_assert(v != NULL); return v; }


ssize_t v9fs_get_xattr(FsContext *ctx, const char *path, const char *name, void *value, size_t size) { XattrOperations *xops = get_xattr_operations(ctx->xops, name); if (xops) { return xops->getxattr(ctx, path, name, value, size); } errno = -EOPNOTSUPP; return -1; }


static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value) { FDrive *cur_drv; int pos; /* Reset mode */ if (!(fdctrl->dor & FD_DOR_nRESET)) { FLOPPY_DPRINTF("Floppy controller in RESET state !\n"); return; } if (!(fdctrl->msr & FD_MSR_RQM) || (fdctrl->msr & FD_MSR_DIO)) { FLOPPY_DPRINTF("error: controller not ready for writing\n"); return; } fdctrl->dsr &= ~FD_DSR_PWRDOWN; /* Is it write command time ? */ if (fdctrl->msr & FD_MSR_NONDMA) { /* FIFO data write */ pos = fdctrl->data_pos++; pos %= FD_SECTOR_LEN; fdctrl->fifo[pos] = value; if (pos == FD_SECTOR_LEN - 1 || fdctrl->data_pos == fdctrl->data_len) { cur_drv = get_cur_drv(fdctrl); if (blk_write(cur_drv->blk, fd_sector(cur_drv), fdctrl->fifo, 1) < 0) { FLOPPY_DPRINTF("error writing sector %d\n", fd_sector(cur_drv)); return; } if (!fdctrl_seek_to_next_sect(fdctrl, cur_drv)) { FLOPPY_DPRINTF("error seeking to next sector %d\n", fd_sector(cur_drv)); return; } } /* Switch from transfer mode to status mode * then from status mode to command mode */ if (fdctrl->data_pos == fdctrl->data_len) fdctrl_stop_transfer(fdctrl, 0x00, 0x00, 0x00); return; } if (fdctrl->data_pos == 0) { /* Command */ pos = command_to_handler[value & 0xff]; FLOPPY_DPRINTF("%s command\n", handlers[pos].name); fdctrl->data_len = handlers[pos].parameters + 1; fdctrl->msr |= FD_MSR_CMDBUSY; } FLOPPY_DPRINTF("%s: %02x\n", __func__, value); fdctrl->fifo[fdctrl->data_pos++] = value; if (fdctrl->data_pos == fdctrl->data_len) { /* We now have all parameters * and will be able to treat the command */ if (fdctrl->data_state & FD_STATE_FORMAT) { fdctrl_format_sector(fdctrl); return; } pos = command_to_handler[fdctrl->fifo[0] & 0xff]; FLOPPY_DPRINTF("treat %s command\n", handlers[pos].name); (*handlers[pos].handler)(fdctrl, handlers[pos].direction); } }


static uint8_t *scsi_get_buf(SCSIDevice *d, uint32_t tag) { SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d); SCSIDiskReq *r; r = scsi_find_request(s, tag); if (!r) { BADF("Bad buffer tag 0x%x\n", tag); return NULL; } return (uint8_t *)r->iov.iov_base; }


static int noise(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe){ unsigned int *state= bsfc->priv_data; int amount= args ? atoi(args) : (*state % 10001+1); int i; if(amount <= 0) return AVERROR(EINVAL); *poutbuf= av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(*poutbuf, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE); for(i=0; i<buf_size; i++){ (*state) += (*poutbuf)[i] + 1; if(*state % amount == 0) (*poutbuf)[i] = *state; } return 1; }


static void qdev_print_devinfos(bool show_no_user) { static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = { [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub", [DEVICE_CATEGORY_USB] = "USB", [DEVICE_CATEGORY_STORAGE] = "Storage", [DEVICE_CATEGORY_NETWORK] = "Network", [DEVICE_CATEGORY_INPUT] = "Input", [DEVICE_CATEGORY_DISPLAY] = "Display", [DEVICE_CATEGORY_SOUND] = "Sound", [DEVICE_CATEGORY_MISC] = "Misc", [DEVICE_CATEGORY_MAX] = "Uncategorized", }; GSList *list, *elt; int i; bool cat_printed; list = g_slist_sort(object_class_get_list(TYPE_DEVICE, false), devinfo_cmp); for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) { cat_printed = false; for (elt = list; elt; elt = elt->next) { DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, TYPE_DEVICE); if ((i < DEVICE_CATEGORY_MAX ? !test_bit(i, dc->categories) : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX)) || (!show_no_user && dc->no_user)) { continue; } if (!cat_printed) { error_printf("%s%s devices:\n", i ? "\n" : "", cat_name[i]); cat_printed = true; } qdev_print_devinfo(dc); } } g_slist_free(list); }


static void uhci_ioport_writew(void *opaque, uint32_t addr, uint32_t val) { UHCIState *s = opaque; addr &= 0x1f; trace_usb_uhci_mmio_writew(addr, val); switch(addr) { case 0x00: if ((val & UHCI_CMD_RS) && !(s->cmd & UHCI_CMD_RS)) { /* start frame processing */ trace_usb_uhci_schedule_start(); s->expire_time = qemu_get_clock_ns(vm_clock) + (get_ticks_per_sec() / FRAME_TIMER_FREQ); qemu_mod_timer(s->frame_timer, qemu_get_clock_ns(vm_clock)); s->status &= ~UHCI_STS_HCHALTED; } else if (!(val & UHCI_CMD_RS)) { s->status |= UHCI_STS_HCHALTED; } if (val & UHCI_CMD_GRESET) { UHCIPort *port; int i; /* send reset on the USB bus */ for(i = 0; i < NB_PORTS; i++) { port = &s->ports[i]; usb_device_reset(port->port.dev); } uhci_reset(s); return; } if (val & UHCI_CMD_HCRESET) { uhci_reset(s); return; } s->cmd = val; break; case 0x02: s->status &= ~val; /* XXX: the chip spec is not coherent, so we add a hidden register to distinguish between IOC and SPD */ if (val & UHCI_STS_USBINT) s->status2 = 0; uhci_update_irq(s); break; case 0x04: s->intr = val; uhci_update_irq(s); break; case 0x06: if (s->status & UHCI_STS_HCHALTED) s->frnum = val & 0x7ff; break; case 0x10 ... 0x1f: { UHCIPort *port; USBDevice *dev; int n; n = (addr >> 1) & 7; if (n >= NB_PORTS) return; port = &s->ports[n]; dev = port->port.dev; if (dev && dev->attached) { /* port reset */ if ( (val & UHCI_PORT_RESET) && !(port->ctrl & UHCI_PORT_RESET) ) { usb_device_reset(dev); } } port->ctrl &= UHCI_PORT_READ_ONLY; /* enabled may only be set if a device is connected */ if (!(port->ctrl & UHCI_PORT_CCS)) { val &= ~UHCI_PORT_EN; } port->ctrl |= (val & ~UHCI_PORT_READ_ONLY); /* some bits are reset when a '1' is written to them */ port->ctrl &= ~(val & UHCI_PORT_WRITE_CLEAR); } break; } }


static void to_meta_with_crop(AVCodecContext *avctx, AVFrame *p, int *dest) { int blockx, blocky, x, y; int luma = 0; int height = FFMIN(avctx->height, C64YRES); int width = FFMIN(avctx->width , C64XRES); uint8_t *src = p->data[0]; for (blocky = 0; blocky < C64YRES; blocky += 8) { for (blockx = 0; blockx < C64XRES; blockx += 8) { for (y = blocky; y < blocky + 8 && y < C64YRES; y++) { for (x = blockx; x < blockx + 8 && x < C64XRES; x += 2) { if(x < width && y < height) { /* build average over 2 pixels */ luma = (src[(x + 0 + y * p->linesize[0])] + src[(x + 1 + y * p->linesize[0])]) / 2; /* write blocks as linear data now so they are suitable for elbg */ dest[0] = luma; } dest++; } } } } }


static int jpeg2000_read_bitstream_packets(Jpeg2000DecoderContext *s) { int ret = 0; int tileno; for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++) { Jpeg2000Tile *tile = s->tile + tileno; if (ret = init_tile(s, tileno)) return ret; s->g = tile->tile_part[0].tpg; if (ret = jpeg2000_decode_packets(s, tile)) return ret; } return 0; }


static void RENAME(yuv2yuvX_ar)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW) { if (uDest) { x86_reg uv_off = c->uv_off; YSCALEYUV2YV12X_ACCURATE(CHR_MMX_FILTER_OFFSET, uDest, chrDstW, 0) YSCALEYUV2YV12X_ACCURATE(CHR_MMX_FILTER_OFFSET, vDest - uv_off, chrDstW + uv_off, uv_off) } if (CONFIG_SWSCALE_ALPHA && aDest) { YSCALEYUV2YV12X_ACCURATE(ALP_MMX_FILTER_OFFSET, aDest, dstW, 0) } YSCALEYUV2YV12X_ACCURATE(LUM_MMX_FILTER_OFFSET, dest, dstW, 0) }


av_cold void ff_dsputil_init_x86(DSPContext *c, AVCodecContext *avctx) { int cpu_flags = av_get_cpu_flags(); #if HAVE_7REGS && HAVE_INLINE_ASM if (cpu_flags & AV_CPU_FLAG_CMOV) c->add_hfyu_median_prediction = ff_add_hfyu_median_prediction_cmov; #endif if (cpu_flags & AV_CPU_FLAG_MMX) dsputil_init_mmx(c, avctx, cpu_flags); if (cpu_flags & AV_CPU_FLAG_MMXEXT) dsputil_init_mmxext(c, avctx, cpu_flags); if (cpu_flags & AV_CPU_FLAG_SSE) dsputil_init_sse(c, avctx, cpu_flags); if (cpu_flags & AV_CPU_FLAG_SSE2) dsputil_init_sse2(c, avctx, cpu_flags); if (cpu_flags & AV_CPU_FLAG_SSSE3) dsputil_init_ssse3(c, avctx, cpu_flags); if (cpu_flags & AV_CPU_FLAG_SSE4) dsputil_init_sse4(c, avctx, cpu_flags); if (CONFIG_ENCODERS) ff_dsputilenc_init_mmx(c, avctx); }


matroska_read_close (AVFormatContext *s) { MatroskaDemuxContext *matroska = s->priv_data; int n = 0; if (matroska->writing_app) av_free(matroska->writing_app); if (matroska->muxing_app) av_free(matroska->muxing_app); if (matroska->index) av_free(matroska->index); if (matroska->packets != NULL) { for (n = 0; n < matroska->num_packets; n++) { av_free_packet(matroska->packets[n]); av_free(matroska->packets[n]); } av_free(matroska->packets); } for (n = 0; n < matroska->num_tracks; n++) { MatroskaTrack *track = matroska->tracks[n]; if (track->codec_id) av_free(track->codec_id); if (track->codec_name) av_free(track->codec_name); if (track->codec_priv) av_free(track->codec_priv); if (track->name) av_free(track->name); if (track->language) av_free(track->language); av_free(track); } memset(matroska, 0, sizeof(MatroskaDemuxContext)); return 0; }


av_cold int ff_intrax8_common_init(IntraX8Context *w, IDCTDSPContext *idsp, MpegEncContext *const s) { int ret = x8_vlc_init(); if (ret < 0) return ret; w->idsp = *idsp; w->s = s; // two rows, 2 blocks per cannon mb w->prediction_table = av_mallocz(s->mb_width * 2 * 2); if (!w->prediction_table) return AVERROR(ENOMEM); ff_init_scantable(w->idsp.idct_permutation, &w->scantable[0], ff_wmv1_scantable[0]); ff_init_scantable(w->idsp.idct_permutation, &w->scantable[1], ff_wmv1_scantable[2]); ff_init_scantable(w->idsp.idct_permutation, &w->scantable[2], ff_wmv1_scantable[3]); ff_intrax8dsp_init(&w->dsp); return 0; }