diff options
Diffstat (limited to 'libavformat/flvdec.c')
-rw-r--r-- | libavformat/flvdec.c | 249 |
1 files changed, 127 insertions, 122 deletions
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c index 8b0d201f80..a9bead5fda 100644 --- a/libavformat/flvdec.c +++ b/libavformat/flvdec.c @@ -80,21 +80,21 @@ static AVStream *create_stream(AVFormatContext *s, int codec_type) AVStream *st = avformat_new_stream(s, NULL); if (!st) return NULL; - st->codec->codec_type = codec_type; + st->codecpar->codec_type = codec_type; avpriv_set_pts_info(st, 32, 1, 1000); /* 32 bit pts in ms */ return st; } -static int flv_same_audio_codec(AVCodecContext *acodec, int flags) +static int flv_same_audio_codec(AVCodecParameters *apar, int flags) { int bits_per_coded_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8; int flv_codecid = flags & FLV_AUDIO_CODECID_MASK; int codec_id; - if (!acodec->codec_id && !acodec->codec_tag) + if (!apar->codec_id && !apar->codec_tag) return 1; - if (acodec->bits_per_coded_sample != bits_per_coded_sample) + if (apar->bits_per_coded_sample != bits_per_coded_sample) return 0; switch (flv_codecid) { @@ -107,42 +107,42 @@ static int flv_same_audio_codec(AVCodecContext *acodec, int flags) #else : AV_CODEC_ID_PCM_S16LE; #endif - return codec_id == acodec->codec_id; + return codec_id == apar->codec_id; case FLV_CODECID_PCM_LE: codec_id = bits_per_coded_sample == 8 ? AV_CODEC_ID_PCM_U8 : AV_CODEC_ID_PCM_S16LE; - return codec_id == acodec->codec_id; + return codec_id == apar->codec_id; case FLV_CODECID_AAC: - return acodec->codec_id == AV_CODEC_ID_AAC; + return apar->codec_id == AV_CODEC_ID_AAC; case FLV_CODECID_ADPCM: - return acodec->codec_id == AV_CODEC_ID_ADPCM_SWF; + return apar->codec_id == AV_CODEC_ID_ADPCM_SWF; case FLV_CODECID_SPEEX: - return acodec->codec_id == AV_CODEC_ID_SPEEX; + return apar->codec_id == AV_CODEC_ID_SPEEX; case FLV_CODECID_MP3: - return acodec->codec_id == AV_CODEC_ID_MP3; + return apar->codec_id == AV_CODEC_ID_MP3; case FLV_CODECID_NELLYMOSER_8KHZ_MONO: case FLV_CODECID_NELLYMOSER_16KHZ_MONO: case FLV_CODECID_NELLYMOSER: - return acodec->codec_id == AV_CODEC_ID_NELLYMOSER; + return apar->codec_id == AV_CODEC_ID_NELLYMOSER; case FLV_CODECID_PCM_MULAW: - return acodec->sample_rate == 8000 && - acodec->codec_id == AV_CODEC_ID_PCM_MULAW; + return apar->sample_rate == 8000 && + apar->codec_id == AV_CODEC_ID_PCM_MULAW; case FLV_CODECID_PCM_ALAW: - return acodec->sample_rate == 8000 && - acodec->codec_id == AV_CODEC_ID_PCM_ALAW; + return apar->sample_rate == 8000 && + apar->codec_id == AV_CODEC_ID_PCM_ALAW; default: - return acodec->codec_tag == (flv_codecid >> FLV_AUDIO_CODECID_OFFSET); + return apar->codec_tag == (flv_codecid >> FLV_AUDIO_CODECID_OFFSET); } } static void flv_set_audio_codec(AVFormatContext *s, AVStream *astream, - AVCodecContext *acodec, int flv_codecid) + AVCodecParameters *apar, int flv_codecid) { switch (flv_codecid) { // no distinction between S16 and S8 PCM codec flags case FLV_CODECID_PCM: - acodec->codec_id = acodec->bits_per_coded_sample == 8 + apar->codec_id = apar->bits_per_coded_sample == 8 ? AV_CODEC_ID_PCM_U8 #if HAVE_BIGENDIAN : AV_CODEC_ID_PCM_S16BE; @@ -151,113 +151,113 @@ static void flv_set_audio_codec(AVFormatContext *s, AVStream *astream, #endif break; case FLV_CODECID_PCM_LE: - acodec->codec_id = acodec->bits_per_coded_sample == 8 + apar->codec_id = apar->bits_per_coded_sample == 8 ? AV_CODEC_ID_PCM_U8 : AV_CODEC_ID_PCM_S16LE; break; case FLV_CODECID_AAC: - acodec->codec_id = AV_CODEC_ID_AAC; + apar->codec_id = AV_CODEC_ID_AAC; break; case FLV_CODECID_ADPCM: - acodec->codec_id = AV_CODEC_ID_ADPCM_SWF; + apar->codec_id = AV_CODEC_ID_ADPCM_SWF; break; case FLV_CODECID_SPEEX: - acodec->codec_id = AV_CODEC_ID_SPEEX; - acodec->sample_rate = 16000; + apar->codec_id = AV_CODEC_ID_SPEEX; + apar->sample_rate = 16000; break; case FLV_CODECID_MP3: - acodec->codec_id = AV_CODEC_ID_MP3; + apar->codec_id = AV_CODEC_ID_MP3; astream->need_parsing = AVSTREAM_PARSE_FULL; break; case FLV_CODECID_NELLYMOSER_8KHZ_MONO: // in case metadata does not otherwise declare samplerate - acodec->sample_rate = 8000; - acodec->codec_id = AV_CODEC_ID_NELLYMOSER; + apar->sample_rate = 8000; + apar->codec_id = AV_CODEC_ID_NELLYMOSER; break; case FLV_CODECID_NELLYMOSER_16KHZ_MONO: - acodec->sample_rate = 16000; - acodec->codec_id = AV_CODEC_ID_NELLYMOSER; + apar->sample_rate = 16000; + apar->codec_id = AV_CODEC_ID_NELLYMOSER; break; case FLV_CODECID_NELLYMOSER: - acodec->codec_id = AV_CODEC_ID_NELLYMOSER; + apar->codec_id = AV_CODEC_ID_NELLYMOSER; break; case FLV_CODECID_PCM_MULAW: - acodec->sample_rate = 8000; - acodec->codec_id = AV_CODEC_ID_PCM_MULAW; + apar->sample_rate = 8000; + apar->codec_id = AV_CODEC_ID_PCM_MULAW; break; case FLV_CODECID_PCM_ALAW: - acodec->sample_rate = 8000; - acodec->codec_id = AV_CODEC_ID_PCM_ALAW; + apar->sample_rate = 8000; + apar->codec_id = AV_CODEC_ID_PCM_ALAW; break; default: av_log(s, AV_LOG_INFO, "Unsupported audio codec (%x)\n", flv_codecid >> FLV_AUDIO_CODECID_OFFSET); - acodec->codec_tag = flv_codecid >> FLV_AUDIO_CODECID_OFFSET; + apar->codec_tag = flv_codecid >> FLV_AUDIO_CODECID_OFFSET; } } -static int flv_same_video_codec(AVCodecContext *vcodec, int flags) +static int flv_same_video_codec(AVCodecParameters *vpar, int flags) { int flv_codecid = flags & FLV_VIDEO_CODECID_MASK; - if (!vcodec->codec_id && !vcodec->codec_tag) + if (!vpar->codec_id && !vpar->codec_tag) return 1; switch (flv_codecid) { case FLV_CODECID_H263: - return vcodec->codec_id == AV_CODEC_ID_FLV1; + return vpar->codec_id == AV_CODEC_ID_FLV1; case FLV_CODECID_SCREEN: - return vcodec->codec_id == AV_CODEC_ID_FLASHSV; + return vpar->codec_id == AV_CODEC_ID_FLASHSV; case FLV_CODECID_SCREEN2: - return vcodec->codec_id == AV_CODEC_ID_FLASHSV2; + return vpar->codec_id == AV_CODEC_ID_FLASHSV2; case FLV_CODECID_VP6: - return vcodec->codec_id == AV_CODEC_ID_VP6F; + return vpar->codec_id == AV_CODEC_ID_VP6F; case FLV_CODECID_VP6A: - return vcodec->codec_id == AV_CODEC_ID_VP6A; + return vpar->codec_id == AV_CODEC_ID_VP6A; case FLV_CODECID_H264: - return vcodec->codec_id == AV_CODEC_ID_H264; + return vpar->codec_id == AV_CODEC_ID_H264; default: - return vcodec->codec_tag == flv_codecid; + return vpar->codec_tag == flv_codecid; } } static int flv_set_video_codec(AVFormatContext *s, AVStream *vstream, int flv_codecid, int read) { - AVCodecContext *vcodec = vstream->codec; + AVCodecParameters *par = vstream->codecpar; switch (flv_codecid) { case FLV_CODECID_H263: - vcodec->codec_id = AV_CODEC_ID_FLV1; + par->codec_id = AV_CODEC_ID_FLV1; break; case FLV_CODECID_SCREEN: - vcodec->codec_id = AV_CODEC_ID_FLASHSV; + par->codec_id = AV_CODEC_ID_FLASHSV; break; case FLV_CODECID_SCREEN2: - vcodec->codec_id = AV_CODEC_ID_FLASHSV2; + par->codec_id = AV_CODEC_ID_FLASHSV2; break; case FLV_CODECID_VP6: - vcodec->codec_id = AV_CODEC_ID_VP6F; + par->codec_id = AV_CODEC_ID_VP6F; case FLV_CODECID_VP6A: if (flv_codecid == FLV_CODECID_VP6A) - vcodec->codec_id = AV_CODEC_ID_VP6A; + par->codec_id = AV_CODEC_ID_VP6A; if (read) { - if (vcodec->extradata_size != 1) { - vcodec->extradata = av_malloc(1); - if (vcodec->extradata) - vcodec->extradata_size = 1; + if (par->extradata_size != 1) { + par->extradata = av_malloc(1); + if (par->extradata) + par->extradata_size = 1; } - if (vcodec->extradata) - vcodec->extradata[0] = avio_r8(s->pb); + if (par->extradata) + par->extradata[0] = avio_r8(s->pb); else avio_skip(s->pb, 1); } return 1; // 1 byte body size adjustment for flv_read_packet() case FLV_CODECID_H264: - vcodec->codec_id = AV_CODEC_ID_H264; + par->codec_id = AV_CODEC_ID_H264; return 3; // not 4, reading packet type will consume one byte default: av_log(s, AV_LOG_INFO, "Unsupported video codec (%x)\n", flv_codecid); - vcodec->codec_tag = flv_codecid; + par->codec_tag = flv_codecid; } return 0; @@ -368,7 +368,7 @@ static int amf_parse_object(AVFormatContext *s, AVStream *astream, AVStream *vstream, const char *key, int64_t max_pos, int depth) { - AVCodecContext *acodec, *vcodec; + AVCodecParameters *apar, *vpar; FLVContext *flv = s->priv_data; AVIOContext *ioc; AMFDataType amf_type; @@ -442,43 +442,43 @@ static int amf_parse_object(AVFormatContext *s, AVStream *astream, if (key) { // stream info doesn't live any deeper than the first object if (depth == 1) { - acodec = astream ? astream->codec : NULL; - vcodec = vstream ? vstream->codec : NULL; + apar = astream ? astream->codecpar : NULL; + vpar = vstream ? vstream->codecpar : NULL; if (amf_type == AMF_DATA_TYPE_NUMBER || amf_type == AMF_DATA_TYPE_BOOL) { if (!strcmp(key, "duration")) s->duration = num_val * AV_TIME_BASE; - else if (!strcmp(key, "videodatarate") && vcodec && + else if (!strcmp(key, "videodatarate") && vpar && 0 <= (int)(num_val * 1024.0)) - vcodec->bit_rate = num_val * 1024.0; - else if (!strcmp(key, "audiodatarate") && acodec && + vpar->bit_rate = num_val * 1024.0; + else if (!strcmp(key, "audiodatarate") && apar && 0 <= (int)(num_val * 1024.0)) - acodec->bit_rate = num_val * 1024.0; + apar->bit_rate = num_val * 1024.0; else if (!strcmp(key, "datastream")) { AVStream *st = create_stream(s, AVMEDIA_TYPE_DATA); if (!st) return AVERROR(ENOMEM); - st->codec->codec_id = AV_CODEC_ID_TEXT; + st->codecpar->codec_id = AV_CODEC_ID_TEXT; } else if (flv->trust_metadata) { - if (!strcmp(key, "videocodecid") && vcodec) { + if (!strcmp(key, "videocodecid") && vpar) { flv_set_video_codec(s, vstream, num_val, 0); - } else if (!strcmp(key, "audiocodecid") && acodec) { + } else if (!strcmp(key, "audiocodecid") && apar) { int id = ((int)num_val) << FLV_AUDIO_CODECID_OFFSET; - flv_set_audio_codec(s, astream, acodec, id); - } else if (!strcmp(key, "audiosamplerate") && acodec) { - acodec->sample_rate = num_val; - } else if (!strcmp(key, "audiosamplesize") && acodec) { - acodec->bits_per_coded_sample = num_val; - } else if (!strcmp(key, "stereo") && acodec) { - acodec->channels = num_val + 1; - acodec->channel_layout = acodec->channels == 2 ? - AV_CH_LAYOUT_STEREO : - AV_CH_LAYOUT_MONO; - } else if (!strcmp(key, "width") && vcodec) { - vcodec->width = num_val; - } else if (!strcmp(key, "height") && vcodec) { - vcodec->height = num_val; + flv_set_audio_codec(s, astream, apar, id); + } else if (!strcmp(key, "audiosamplerate") && apar) { + apar->sample_rate = num_val; + } else if (!strcmp(key, "audiosamplesize") && apar) { + apar->bits_per_coded_sample = num_val; + } else if (!strcmp(key, "stereo") && apar) { + apar->channels = num_val + 1; + apar->channel_layout = apar->channels == 2 ? + AV_CH_LAYOUT_STEREO : + AV_CH_LAYOUT_MONO; + } else if (!strcmp(key, "width") && vpar) { + vpar->width = num_val; + } else if (!strcmp(key, "height") && vpar) { + vpar->height = num_val; } } } @@ -544,9 +544,9 @@ static int flv_read_metabody(AVFormatContext *s, int64_t next_pos) // the lookup every time it is called. for (i = 0; i < s->nb_streams; i++) { stream = s->streams[i]; - if (stream->codec->codec_type == AVMEDIA_TYPE_AUDIO) + if (stream->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) astream = stream; - else if (stream->codec->codec_type == AVMEDIA_TYPE_VIDEO) + else if (stream->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) vstream = stream; } @@ -585,12 +585,12 @@ static int flv_read_close(AVFormatContext *s) static int flv_get_extradata(AVFormatContext *s, AVStream *st, int size) { - av_free(st->codec->extradata); - st->codec->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE); - if (!st->codec->extradata) + av_free(st->codecpar->extradata); + st->codecpar->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!st->codecpar->extradata) return AVERROR(ENOMEM); - st->codec->extradata_size = size; - avio_read(s->pb, st->codec->extradata, st->codec->extradata_size); + st->codecpar->extradata_size = size; + avio_read(s->pb, st->codecpar->extradata, st->codecpar->extradata_size); return 0; } @@ -704,7 +704,7 @@ static int flv_data_packet(AVFormatContext *s, AVPacket *pkt, for (i = 0; i < s->nb_streams; i++) { st = s->streams[i]; - if (st->codec->codec_type == AVMEDIA_TYPE_DATA) + if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) break; } @@ -712,7 +712,7 @@ static int flv_data_packet(AVFormatContext *s, AVPacket *pkt, st = create_stream(s, AVMEDIA_TYPE_DATA); if (!st) return AVERROR(ENOMEM); - st->codec->codec_id = AV_CODEC_ID_TEXT; + st->codecpar->codec_id = AV_CODEC_ID_TEXT; } pkt->dts = dts; @@ -803,12 +803,12 @@ skip: /* now find stream */ for (i = 0; i < s->nb_streams; i++) { st = s->streams[i]; - if (is_audio && st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { - if (flv_same_audio_codec(st->codec, flags)) + if (is_audio && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) { + if (flv_same_audio_codec(st->codecpar, flags)) break; } else if (!is_audio && - st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { - if (flv_same_video_codec(st->codec, flags)) + st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { + if (flv_same_video_codec(st->codecpar, flags)) break; } } @@ -866,38 +866,43 @@ skip: sample_rate = 44100 << ((flags & FLV_AUDIO_SAMPLERATE_MASK) >> FLV_AUDIO_SAMPLERATE_OFFSET) >> 3; bits_per_coded_sample = (flags & FLV_AUDIO_SAMPLESIZE_MASK) ? 16 : 8; - if (!st->codec->channels || !st->codec->sample_rate || - !st->codec->bits_per_coded_sample) { - st->codec->channels = channels; - st->codec->channel_layout = channels == 1 + if (!st->codecpar->channels || !st->codecpar->sample_rate || + !st->codecpar->bits_per_coded_sample) { + st->codecpar->channels = channels; + st->codecpar->channel_layout = channels == 1 ? AV_CH_LAYOUT_MONO : AV_CH_LAYOUT_STEREO; - st->codec->sample_rate = sample_rate; - st->codec->bits_per_coded_sample = bits_per_coded_sample; + st->codecpar->sample_rate = sample_rate; + st->codecpar->bits_per_coded_sample = bits_per_coded_sample; } - if (!st->codec->codec_id) { - flv_set_audio_codec(s, st, st->codec, + if (!st->codecpar->codec_id) { + flv_set_audio_codec(s, st, st->codecpar, flags & FLV_AUDIO_CODECID_MASK); flv->last_sample_rate = - sample_rate = st->codec->sample_rate; + sample_rate = st->codecpar->sample_rate; flv->last_channels = - channels = st->codec->channels; + channels = st->codecpar->channels; } else { - AVCodecContext ctx; - ctx.sample_rate = sample_rate; - ctx.bits_per_coded_sample = bits_per_coded_sample; - flv_set_audio_codec(s, st, &ctx, flags & FLV_AUDIO_CODECID_MASK); - sample_rate = ctx.sample_rate; + AVCodecParameters *par = avcodec_parameters_alloc(); + if (!par) { + ret = AVERROR(ENOMEM); + goto leave; + } + par->sample_rate = sample_rate; + par->bits_per_coded_sample = bits_per_coded_sample; + flv_set_audio_codec(s, st, par, flags & FLV_AUDIO_CODECID_MASK); + sample_rate = par->sample_rate; + avcodec_parameters_free(&par); } } else { size -= flv_set_video_codec(s, st, flags & FLV_VIDEO_CODECID_MASK, 1); } - if (st->codec->codec_id == AV_CODEC_ID_AAC || - st->codec->codec_id == AV_CODEC_ID_H264) { + if (st->codecpar->codec_id == AV_CODEC_ID_AAC || + st->codecpar->codec_id == AV_CODEC_ID_H264) { int type = avio_r8(s->pb); size--; - if (st->codec->codec_id == AV_CODEC_ID_H264) { + if (st->codecpar->codec_id == AV_CODEC_ID_H264) { // sign extension int32_t cts = (avio_rb24(s->pb) + 0xff800000) ^ 0xff800000; pts = dts + cts; @@ -908,7 +913,7 @@ skip: } } if (type == 0) { - if (st->codec->extradata) { + if (st->codecpar->extradata) { if ((ret = flv_queue_extradata(flv, s->pb, is_audio, size)) < 0) return ret; ret = AVERROR(EAGAIN); @@ -916,24 +921,24 @@ skip: } if ((ret = flv_get_extradata(s, st, size)) < 0) return ret; - if (st->codec->codec_id == AV_CODEC_ID_AAC) { + if (st->codecpar->codec_id == AV_CODEC_ID_AAC) { MPEG4AudioConfig cfg; /* Workaround for buggy Omnia A/XE encoder */ AVDictionaryEntry *t = av_dict_get(s->metadata, "Encoder", NULL, 0); if (t && !strcmp(t->value, "Omnia A/XE")) - st->codec->extradata_size = 2; + st->codecpar->extradata_size = 2; - avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata, - st->codec->extradata_size * 8, 1); - st->codec->channels = cfg.channels; - st->codec->channel_layout = 0; + avpriv_mpeg4audio_get_config(&cfg, st->codecpar->extradata, + st->codecpar->extradata_size * 8, 1); + st->codecpar->channels = cfg.channels; + st->codecpar->channel_layout = 0; if (cfg.ext_sample_rate) - st->codec->sample_rate = cfg.ext_sample_rate; + st->codecpar->sample_rate = cfg.ext_sample_rate; else - st->codec->sample_rate = cfg.sample_rate; + st->codecpar->sample_rate = cfg.sample_rate; av_log(s, AV_LOG_TRACE, "mp4a config channels %d sample rate %d\n", - st->codec->channels, st->codec->sample_rate); + st->codecpar->channels, st->codecpar->sample_rate); } ret = AVERROR(EAGAIN); |