Should help remuxing certain Annex B AV1 samples without a decoder.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavcodec/av1_parser.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/libavcodec/av1_parser.c b/libavcodec/av1_parser.c
index 08721c356a..ff7fce4a07 100644
--- a/libavcodec/av1_parser.c
+++ b/libavcodec/av1_parser.c
@@ -53,6 +53,7 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
AV1ParseContext *s = ctx->priv_data;
CodedBitstreamFragment *td = &s->temporal_unit;
CodedBitstreamAV1Context *av1 = s->cbc->priv_data;
+ AV1RawSequenceHeader *seq;
int ret;
*out_data = data;
@@ -86,10 +87,11 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
goto end;
}
+ seq = av1->sequence_header;
+
for (int i = 0; i < td->nb_units; i++) {
CodedBitstreamUnit *unit = &td->units[i];
AV1RawOBU *obu = unit->content;
- AV1RawSequenceHeader *seq = av1->sequence_header;
AV1RawColorConfig *color = &seq->color_config;
AV1RawFrameHeader *frame;
int frame_type;
@@ -164,6 +166,12 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
}
}
+ if (seq->timing_info.num_units_in_display_tick &&
seq->timing_info.time_scale &&
+ seq->timing_info.equal_picture_interval) {
+ av_reduce(&avctx->framerate.den, &avctx->framerate.num,
+ seq->timing_info.num_units_in_display_tick,
seq->timing_info.time_scale, INT_MAX);
+ avctx->ticks_per_frame =
seq->timing_info.num_ticks_per_picture_minus_1 + 1;
+ }
if (avctx->framerate.num)
avctx->time_base = av_inv_q(av_mul_q(avctx->framerate,
(AVRational){avctx->ticks_per_frame, 1}));
--
2.24.0
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