X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Futils.c;h=e48cf6e4c8b07434bd6314212abfd99e200c3002;hb=18c31f6ff8eef83cd19ea9e431335a854156dd18;hp=cd4cbde3742665d9b4821483e89c891eb228a772;hpb=414d9d7f2e6fce2b2c0fe3d072f1bc6b66e5d9ac;p=ffmpeg diff --git a/libavcodec/utils.c b/libavcodec/utils.c index cd4cbde3742..e48cf6e4c8b 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -31,11 +31,13 @@ #include "libavutil/avstring.h" #include "libavutil/integer.h" #include "libavutil/crc.h" +#include "libavutil/pixdesc.h" #include "avcodec.h" #include "dsputil.h" #include "opt.h" #include "imgconvert.h" #include "audioconvert.h" +#include "libxvid_internal.h" #include "internal.h" #include #include @@ -45,26 +47,9 @@ #include #endif -const uint8_t ff_reverse[256]={ -0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0, -0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8, -0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4, -0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC, -0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2, -0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA, -0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6, -0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE, -0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1, -0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9, -0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5, -0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD, -0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3, -0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB, -0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7, -0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF, -}; - static int volatile entangled_thread_counter=0; +int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op); +static void *codec_mutex; void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size) { @@ -80,6 +65,17 @@ void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size) return ptr; } +void av_fast_malloc(void *ptr, unsigned int *size, unsigned int min_size) +{ + void **p = ptr; + if (min_size < *size) + return; + *size= FFMAX(17*min_size/16 + 32, min_size); + av_free(*p); + *p = av_malloc(*size); + if (!*p) *size = 0; +} + /* encoder management */ static AVCodec *first_avcodec = NULL; @@ -123,9 +119,7 @@ typedef struct InternalBuffer{ #define INTERNAL_BUFFER_SIZE 32 -#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1)) - -void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){ +void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[4]){ int w_align= 1; int h_align= 1; @@ -134,16 +128,20 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){ case PIX_FMT_YUYV422: case PIX_FMT_UYVY422: case PIX_FMT_YUV422P: + case PIX_FMT_YUV440P: case PIX_FMT_YUV444P: case PIX_FMT_GRAY8: case PIX_FMT_GRAY16BE: case PIX_FMT_GRAY16LE: case PIX_FMT_YUVJ420P: case PIX_FMT_YUVJ422P: + case PIX_FMT_YUVJ440P: case PIX_FMT_YUVJ444P: case PIX_FMT_YUVA420P: w_align= 16; //FIXME check for non mpeg style codecs and use less alignment h_align= 16; + if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP) + h_align= 32; // interlaced is rounded up to 2 MBs break; case PIX_FMT_YUV411P: case PIX_FMT_UYYVYY411: @@ -180,14 +178,44 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){ break; } - *width = ALIGN(*width , w_align); - *height= ALIGN(*height, h_align); + *width = FFALIGN(*width , w_align); + *height= FFALIGN(*height, h_align); if(s->codec_id == CODEC_ID_H264) *height+=2; // some of the optimized chroma MC reads one line too much + + linesize_align[0] = + linesize_align[1] = + linesize_align[2] = + linesize_align[3] = STRIDE_ALIGN; +//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes +//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the +//picture size unneccessarily in some cases. The solution here is not +//pretty and better ideas are welcome! +#if HAVE_MMX + if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 || + s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F || + s->codec_id == CODEC_ID_VP6A) { + linesize_align[0] = + linesize_align[1] = + linesize_align[2] = 16; + } +#endif +} + +void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){ + int chroma_shift = av_pix_fmt_descriptors[s->pix_fmt].log2_chroma_w; + int linesize_align[4]; + int align; + avcodec_align_dimensions2(s, width, height, linesize_align); + align = FFMAX(linesize_align[0], linesize_align[3]); + linesize_align[1] <<= chroma_shift; + linesize_align[2] <<= chroma_shift; + align = FFMAX3(align, linesize_align[1], linesize_align[2]); + *width=FFALIGN(*width, align); } int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){ - if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/4) + if((int)w>0 && (int)h>0 && (w+128)*(uint64_t)(h+128) < INT_MAX/8) return 0; av_log(av_log_ctx, AV_LOG_ERROR, "picture size invalid (%ux%u)\n", w, h); @@ -242,33 +270,31 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){ int h_chroma_shift, v_chroma_shift; int size[4] = {0}; int tmpsize; + int unaligned; AVPicture picture; int stride_align[4]; avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift); - avcodec_align_dimensions(s, &w, &h); + avcodec_align_dimensions2(s, &w, &h, stride_align); if(!(s->flags&CODEC_FLAG_EMU_EDGE)){ w+= EDGE_WIDTH*2; h+= EDGE_WIDTH*2; } - ff_fill_linesize(&picture, s->pix_fmt, w); + do { + // NOTE: do not align linesizes individually, this breaks e.g. assumptions + // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2 + ff_fill_linesize(&picture, s->pix_fmt, w); + // increase alignment of w for next try (rhs gives the lowest bit set in w) + w += w & ~(w-1); - for (i=0; i<4; i++){ -//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes -//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the -//picture size unneccessarily in some cases. The solution here is not -//pretty and better ideas are welcome! -#if HAVE_MMX - if(s->codec_id == CODEC_ID_SVQ1) - stride_align[i]= 16; - else -#endif - stride_align[i] = STRIDE_ALIGN; - picture.linesize[i] = ALIGN(picture.linesize[i], stride_align[i]); - } + unaligned = 0; + for (i=0; i<4; i++){ + unaligned |= picture.linesize[i] % stride_align[i]; + } + } while (unaligned); tmpsize = ff_fill_pointer(&picture, NULL, s->pix_fmt, h); if (tmpsize < 0) @@ -296,7 +322,7 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){ if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2]) buf->data[i] = buf->base[i]; else - buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]); + buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]); } if(size[1] && !size[2]) ff_set_systematic_pal((uint32_t*)buf->data[1], s->pix_fmt); @@ -363,8 +389,10 @@ int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){ } /* If internal buffer type return the same buffer */ - if(pic->type == FF_BUFFER_TYPE_INTERNAL) + if(pic->type == FF_BUFFER_TYPE_INTERNAL) { + pic->reordered_opaque= s->reordered_opaque; return 0; + } /* * Not internal type and reget_buffer not overridden, emulate cr buffer @@ -393,6 +421,16 @@ int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, v return 0; } +int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr),void *arg, int *ret, int count){ + int i; + + for(i=0; iwidth && avctx->height) avcodec_set_dimensions(avctx, avctx->width, avctx->height); - if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){ - av_freep(&avctx->priv_data); +#define SANE_NB_CHANNELS 128U + if (((avctx->coded_width || avctx->coded_height) + && avcodec_check_dimensions(avctx, avctx->coded_width, avctx->coded_height)) + || avctx->channels > SANE_NB_CHANNELS) { ret = AVERROR(EINVAL); - goto end; + goto free_and_end; } avctx->codec = codec; - avctx->codec_id = codec->id; + if ((avctx->codec_type == CODEC_TYPE_UNKNOWN || avctx->codec_type == codec->type) && + avctx->codec_id == CODEC_ID_NONE) { + avctx->codec_type = codec->type; + avctx->codec_id = codec->id; + } + if(avctx->codec_id != codec->id || avctx->codec_type != codec->type){ + av_log(avctx, AV_LOG_ERROR, "codec type or id mismatches\n"); + goto free_and_end; + } avctx->frame_number = 0; if(avctx->codec->init){ ret = avctx->codec->init(avctx); if (ret < 0) { - av_freep(&avctx->priv_data); - avctx->codec= NULL; - goto end; + goto free_and_end; } } ret=0; end: entangled_thread_counter--; + + /* Release any user-supplied mutex. */ + if (ff_lockmgr_cb) { + (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE); + } return ret; +free_and_end: + av_freep(&avctx->priv_data); + avctx->codec= NULL; + goto end; } int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, @@ -516,18 +577,34 @@ int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, return ret; } +#if LIBAVCODEC_VERSION_MAJOR < 53 int attribute_align_arg avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, const uint8_t *buf, int buf_size) +{ + AVPacket avpkt; + av_init_packet(&avpkt); + avpkt.data = buf; + avpkt.size = buf_size; + // HACK for CorePNG to decode as normal PNG by default + avpkt.flags = AV_PKT_FLAG_KEY; + + return avcodec_decode_video2(avctx, picture, got_picture_ptr, &avpkt); +} +#endif + +int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, + int *got_picture_ptr, + AVPacket *avpkt) { int ret; *got_picture_ptr= 0; if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)) return -1; - if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){ + if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){ ret = avctx->codec->decode(avctx, picture, got_picture_ptr, - buf, buf_size); + avpkt); emms_c(); //needed to avoid an emms_c() call before every return; @@ -539,13 +616,27 @@ int attribute_align_arg avcodec_decode_video(AVCodecContext *avctx, AVFrame *pic return ret; } +#if LIBAVCODEC_VERSION_MAJOR < 53 int attribute_align_arg avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples, int *frame_size_ptr, const uint8_t *buf, int buf_size) +{ + AVPacket avpkt; + av_init_packet(&avpkt); + avpkt.data = buf; + avpkt.size = buf_size; + + return avcodec_decode_audio3(avctx, samples, frame_size_ptr, &avpkt); +} +#endif + +int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples, + int *frame_size_ptr, + AVPacket *avpkt) { int ret; - if((avctx->codec->capabilities & CODEC_CAP_DELAY) || buf_size){ + if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){ //FIXME remove the check below _after_ ensuring that all audio check that the available space is enough if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){ av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE\n"); @@ -557,8 +648,7 @@ int attribute_align_arg avcodec_decode_audio2(AVCodecContext *avctx, int16_t *sa return -1; } - ret = avctx->codec->decode(avctx, samples, frame_size_ptr, - buf, buf_size); + ret = avctx->codec->decode(avctx, samples, frame_size_ptr, avpkt); avctx->frame_number++; }else{ ret= 0; @@ -567,22 +657,41 @@ int attribute_align_arg avcodec_decode_audio2(AVCodecContext *avctx, int16_t *sa return ret; } +#if LIBAVCODEC_VERSION_MAJOR < 53 int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, const uint8_t *buf, int buf_size) +{ + AVPacket avpkt; + av_init_packet(&avpkt); + avpkt.data = buf; + avpkt.size = buf_size; + + return avcodec_decode_subtitle2(avctx, sub, got_sub_ptr, &avpkt); +} +#endif + +int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, + int *got_sub_ptr, + AVPacket *avpkt) { int ret; *got_sub_ptr = 0; - ret = avctx->codec->decode(avctx, sub, got_sub_ptr, - buf, buf_size); + ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt); if (*got_sub_ptr) avctx->frame_number++; return ret; } -int avcodec_close(AVCodecContext *avctx) +av_cold int avcodec_close(AVCodecContext *avctx) { + /* If there is a user-supplied mutex locking routine, call it. */ + if (ff_lockmgr_cb) { + if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN)) + return -1; + } + entangled_thread_counter++; if(entangled_thread_counter != 1){ av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n"); @@ -592,12 +701,19 @@ int avcodec_close(AVCodecContext *avctx) if (HAVE_THREADS && avctx->thread_opaque) avcodec_thread_free(avctx); - if (avctx->codec->close) + if (avctx->codec && avctx->codec->close) avctx->codec->close(avctx); avcodec_default_free_buffers(avctx); av_freep(&avctx->priv_data); + if(avctx->codec->encode) + av_freep(&avctx->extradata); avctx->codec = NULL; entangled_thread_counter--; + + /* Release any user-supplied mutex. */ + if (ff_lockmgr_cb) { + (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE); + } return 0; } @@ -653,6 +769,35 @@ AVCodec *avcodec_find_decoder_by_name(const char *name) return NULL; } +static int get_bit_rate(AVCodecContext *ctx) +{ + int bit_rate; + int bits_per_sample; + + switch(ctx->codec_type) { + case CODEC_TYPE_VIDEO: + bit_rate = ctx->bit_rate; + break; + case CODEC_TYPE_AUDIO: + bits_per_sample = av_get_bits_per_sample(ctx->codec_id); + bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate; + break; + case CODEC_TYPE_DATA: + bit_rate = ctx->bit_rate; + break; + case CODEC_TYPE_SUBTITLE: + bit_rate = ctx->bit_rate; + break; + case CODEC_TYPE_ATTACHMENT: + bit_rate = ctx->bit_rate; + break; + default: + bit_rate = 0; + break; + } + return bit_rate; +} + void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) { const char *codec_name; @@ -725,7 +870,6 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) snprintf(buf + strlen(buf), buf_size - strlen(buf), ", q=%d-%d", enc->qmin, enc->qmax); } - bitrate = enc->bit_rate; break; case CODEC_TYPE_AUDIO: snprintf(buf, buf_size, @@ -741,58 +885,15 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s", avcodec_get_sample_fmt_name(enc->sample_fmt)); } - - /* for PCM codecs, compute bitrate directly */ - switch(enc->codec_id) { - case CODEC_ID_PCM_F64BE: - case CODEC_ID_PCM_F64LE: - bitrate = enc->sample_rate * enc->channels * 64; - break; - case CODEC_ID_PCM_S32LE: - case CODEC_ID_PCM_S32BE: - case CODEC_ID_PCM_U32LE: - case CODEC_ID_PCM_U32BE: - case CODEC_ID_PCM_F32BE: - case CODEC_ID_PCM_F32LE: - bitrate = enc->sample_rate * enc->channels * 32; - break; - case CODEC_ID_PCM_S24LE: - case CODEC_ID_PCM_S24BE: - case CODEC_ID_PCM_U24LE: - case CODEC_ID_PCM_U24BE: - case CODEC_ID_PCM_S24DAUD: - bitrate = enc->sample_rate * enc->channels * 24; - break; - case CODEC_ID_PCM_S16LE: - case CODEC_ID_PCM_S16BE: - case CODEC_ID_PCM_S16LE_PLANAR: - case CODEC_ID_PCM_U16LE: - case CODEC_ID_PCM_U16BE: - bitrate = enc->sample_rate * enc->channels * 16; - break; - case CODEC_ID_PCM_S8: - case CODEC_ID_PCM_U8: - case CODEC_ID_PCM_ALAW: - case CODEC_ID_PCM_MULAW: - case CODEC_ID_PCM_ZORK: - bitrate = enc->sample_rate * enc->channels * 8; - break; - default: - bitrate = enc->bit_rate; - break; - } break; case CODEC_TYPE_DATA: snprintf(buf, buf_size, "Data: %s", codec_name); - bitrate = enc->bit_rate; break; case CODEC_TYPE_SUBTITLE: snprintf(buf, buf_size, "Subtitle: %s", codec_name); - bitrate = enc->bit_rate; break; case CODEC_TYPE_ATTACHMENT: snprintf(buf, buf_size, "Attachment: %s", codec_name); - bitrate = enc->bit_rate; break; default: snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type); @@ -806,6 +907,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) snprintf(buf + strlen(buf), buf_size - strlen(buf), ", pass 2"); } + bitrate = get_bit_rate(enc); if (bitrate != 0) { snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %d kb/s", bitrate / 1000); @@ -817,6 +919,17 @@ unsigned avcodec_version( void ) return LIBAVCODEC_VERSION_INT; } +const char *avcodec_configuration(void) +{ + return FFMPEG_CONFIGURATION; +} + +const char *avcodec_license(void) +{ +#define LICENSE_PREFIX "libavcodec license: " + return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1; +} + void avcodec_init(void) { static int initialized = 0; @@ -839,6 +952,8 @@ void avcodec_default_free_buffers(AVCodecContext *s){ if(s->internal_buffer==NULL) return; + if (s->internal_buffer_count) + av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n", s->internal_buffer_count); for(i=0; iinternal_buffer)[i]; for(j=0; j<4; j++){ @@ -872,6 +987,9 @@ int av_get_bits_per_sample(enum CodecID codec_id){ return 3; case CODEC_ID_ADPCM_SBPRO_4: case CODEC_ID_ADPCM_CT: + case CODEC_ID_ADPCM_IMA_WAV: + case CODEC_ID_ADPCM_MS: + case CODEC_ID_ADPCM_YAMAHA: return 4; case CODEC_ID_PCM_ALAW: case CODEC_ID_PCM_MULAW: @@ -924,6 +1042,7 @@ int av_get_bits_per_sample_format(enum SampleFormat sample_fmt) { #if !HAVE_THREADS int avcodec_thread_init(AVCodecContext *s, int thread_count){ + s->thread_count = thread_count; return -1; } #endif @@ -1001,6 +1120,7 @@ static const VideoFrameSizeAbbr video_frame_size_abbrs[] = { { "qcif", 176, 144 }, { "cif", 352, 288 }, { "4cif", 704, 576 }, + { "16cif", 1408,1152 }, { "qqvga", 160, 120 }, { "qvga", 320, 240 }, { "vga", 640, 480 }, @@ -1104,19 +1224,25 @@ int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg) return 0; } -void ff_log_missing_feature(void *avc, const char *feature, int want_sample) +int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b){ + int i; + for(i=0; inext : first_hwaccel; } + +AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt) +{ + AVHWAccel *hwaccel=NULL; + + while((hwaccel= av_hwaccel_next(hwaccel))){ + if ( hwaccel->id == codec_id + && hwaccel->pix_fmt == pix_fmt) + return hwaccel; + } + return NULL; +} + +int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op)) +{ + if (ff_lockmgr_cb) { + if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY)) + return -1; + } + + ff_lockmgr_cb = cb; + + if (ff_lockmgr_cb) { + if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_CREATE)) + return -1; + } + return 0; +}