mirror of
https://github.com/jellyfin/jellyfin-ffmpeg.git
synced 2026-09-03 05:09:58 +03:00
Imported Upstream version 3.1.1
This commit is contained in:
+27
-22
@@ -34,6 +34,7 @@ int ff_aac_ac3_parse(AVCodecParserContext *s1,
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ParseContext *pc = &s->pc;
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int len, i;
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int new_frame_start;
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int got_frame = 0;
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get_next:
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i=END_NOT_FOUND;
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@@ -51,6 +52,7 @@ get_next:
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if(len<=0){
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i=END_NOT_FOUND;
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}else{
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got_frame = 1;
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s->state=0;
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i-= s->header_size -1;
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s->remaining_size = len;
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@@ -76,31 +78,34 @@ get_next:
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if(s->codec_id)
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avctx->codec_id = s->codec_id;
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/* Due to backwards compatible HE-AAC the sample rate, channel count,
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and total number of samples found in an AAC ADTS header are not
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reliable. Bit rate is still accurate because the total frame duration in
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seconds is still correct (as is the number of bits in the frame). */
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if (avctx->codec_id != AV_CODEC_ID_AAC) {
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avctx->sample_rate = s->sample_rate;
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if (got_frame) {
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/* Due to backwards compatible HE-AAC the sample rate, channel count,
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and total number of samples found in an AAC ADTS header are not
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reliable. Bit rate is still accurate because the total frame
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duration in seconds is still correct (as is the number of bits in
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the frame). */
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if (avctx->codec_id != AV_CODEC_ID_AAC) {
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avctx->sample_rate = s->sample_rate;
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/* (E-)AC-3: allow downmixing to stereo or mono */
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if (s->channels > 1 &&
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avctx->request_channel_layout == AV_CH_LAYOUT_MONO) {
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avctx->channels = 1;
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avctx->channel_layout = AV_CH_LAYOUT_MONO;
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} else if (s->channels > 2 &&
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avctx->request_channel_layout == AV_CH_LAYOUT_STEREO) {
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avctx->channels = 2;
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avctx->channel_layout = AV_CH_LAYOUT_STEREO;
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} else {
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avctx->channels = s->channels;
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avctx->channel_layout = s->channel_layout;
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/* (E-)AC-3: allow downmixing to stereo or mono */
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if (s->channels > 1 &&
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avctx->request_channel_layout == AV_CH_LAYOUT_MONO) {
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avctx->channels = 1;
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avctx->channel_layout = AV_CH_LAYOUT_MONO;
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} else if (s->channels > 2 &&
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avctx->request_channel_layout == AV_CH_LAYOUT_STEREO) {
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avctx->channels = 2;
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avctx->channel_layout = AV_CH_LAYOUT_STEREO;
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} else {
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avctx->channels = s->channels;
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avctx->channel_layout = s->channel_layout;
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}
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s1->duration = s->samples;
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avctx->audio_service_type = s->service_type;
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}
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s1->duration = s->samples;
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avctx->audio_service_type = s->service_type;
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}
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avctx->bit_rate = s->bit_rate;
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avctx->bit_rate = s->bit_rate;
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}
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return i;
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}
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