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@@ -63,7 +63,7 @@ static int nuv_probe(AVProbeData *p) |
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* @param vst video stream of which to change parameters |
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* @param ast video stream of which to change parameters |
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* @param myth set if this is a MythTVVideo format file |
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* @return 1 if all required codec data was found |
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* @return 0 or AVERROR code |
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*/ |
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static int get_codec_data(AVIOContext *pb, AVStream *vst, |
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AVStream *ast, int myth) |
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@@ -82,12 +82,18 @@ static int get_codec_data(AVIOContext *pb, AVStream *vst, |
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avio_skip(pb, 6); |
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size = PKTSIZE(avio_rl32(pb)); |
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if (vst && subtype == 'R') { |
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if (vst->codec->extradata) { |
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av_freep(&vst->codec->extradata); |
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vst->codec->extradata_size = 0; |
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} |
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vst->codec->extradata = av_malloc(size); |
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if (!vst->codec->extradata) |
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return AVERROR(ENOMEM); |
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vst->codec->extradata_size = size; |
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vst->codec->extradata = av_malloc(size); |
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avio_read(pb, vst->codec->extradata, size); |
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size = 0; |
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if (!myth) |
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return 1; |
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return 0; |
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} |
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break; |
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case NUV_MYTHEXT: |
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@@ -130,7 +136,7 @@ static int get_codec_data(AVIOContext *pb, AVStream *vst, |
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size -= 6 * 4; |
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avio_skip(pb, size); |
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return 1; |
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return 0; |
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case NUV_SEEKP: |
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size = 11; |
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break; |
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@@ -151,8 +157,7 @@ static int nuv_header(AVFormatContext *s) |
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AVIOContext *pb = s->pb; |
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char id_string[12]; |
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double aspect, fps; |
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int is_mythtv, width, height, v_packs, a_packs; |
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int stream_nr = 0; |
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int is_mythtv, width, height, v_packs, a_packs, ret; |
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AVStream *vst = NULL, *ast = NULL; |
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avio_read(pb, id_string, 12); |
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@@ -178,10 +183,11 @@ static int nuv_header(AVFormatContext *s) |
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avio_rl32(pb); // keyframe distance (?) |
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if (v_packs) { |
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ctx->v_id = stream_nr++; |
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vst = avformat_new_stream(s, NULL); |
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vst = avformat_new_stream(s, NULL); |
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if (!vst) |
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return AVERROR(ENOMEM); |
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ctx->v_id = vst->index; |
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vst->codec->codec_type = AVMEDIA_TYPE_VIDEO; |
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vst->codec->codec_id = AV_CODEC_ID_NUV; |
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vst->codec->width = width; |
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@@ -198,10 +204,11 @@ static int nuv_header(AVFormatContext *s) |
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ctx->v_id = -1; |
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if (a_packs) { |
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ctx->a_id = stream_nr++; |
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ast = avformat_new_stream(s, NULL); |
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ast = avformat_new_stream(s, NULL); |
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if (!ast) |
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return AVERROR(ENOMEM); |
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ctx->a_id = ast->index; |
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ast->codec->codec_type = AVMEDIA_TYPE_AUDIO; |
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ast->codec->codec_id = AV_CODEC_ID_PCM_S16LE; |
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ast->codec->channels = 2; |
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@@ -214,7 +221,9 @@ static int nuv_header(AVFormatContext *s) |
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} else |
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ctx->a_id = -1; |
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get_codec_data(pb, vst, ast, is_mythtv); |
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if ((ret = get_codec_data(pb, vst, ast, is_mythtv)) < 0) |
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return ret; |
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ctx->rtjpg_video = vst && vst->codec->codec_id == AV_CODEC_ID_NUV; |
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return 0; |
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