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fftools/ffmpeg: stop using AVCodecContext.sample_rate in decode_audio() 

Use the decoded frame's sample_rate instead, which is the authoritative
value.

Drop a now-obsolete check validating AVCodecContext.sample_rate.
This commit is contained in:
Anton Khirnov 2022-11-25 11:19:50 +01:00
parent 1a6ba73ff7
commit c60941dfaf
1 changed files with 6 additions and 9 deletions
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15
fftools/ffmpeg.c
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@ -2017,11 +2017,6 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,
if (ret < 0)
*decode_failed = 1;
if (ret >= 0 && avctx->sample_rate <= 0) {
av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
ret = AVERROR_INVALIDDATA;
}
if (ret != AVERROR_EOF)
check_decode_result(ist, got_output, ret);
@ -2034,9 +2029,9 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,
/* increment next_dts to use for the case where the input stream does not
have timestamps or there are multiple frames in the packet */
ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
avctx->sample_rate;
decoded_frame->sample_rate;
ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
avctx->sample_rate;
decoded_frame->sample_rate;
if (decoded_frame->pts != AV_NOPTS_VALUE) {
decoded_frame_tb = ist->st->time_base;
@ -2054,8 +2049,10 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,
ist->prev_pkt_pts = pkt->pts;
if (decoded_frame->pts != AV_NOPTS_VALUE)
decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
(AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
(AVRational){1, avctx->sample_rate});
(AVRational){1, decoded_frame->sample_rate},
decoded_frame->nb_samples,
&ist->filter_in_rescale_delta_last,
(AVRational){1, decoded_frame->sample_rate});
ist->nb_samples = decoded_frame->nb_samples;
err = send_frame_to_filters(ist, decoded_frame);