Jan 7, 2021, 21:55 by a...@ified.ca: > The Opus header initial padding preskip amount is always to be expressed > relative to 48kHz. However, the encoder delay returned from querying > libopus is relative to the encoding samplerate. Multiply by the > samplerate conversion factor to correct. > > Signed-off-by: Arthur Taylor <a...@ified.ca> > --- > libavcodec/libopusenc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/libopusenc.c b/libavcodec/libopusenc.c > index bf2d04b4fb..70d17f802b 100644 > --- a/libavcodec/libopusenc.c > +++ b/libavcodec/libopusenc.c > @@ -94,7 +94,7 @@ static void libopus_write_header(AVCodecContext *avctx, int > stream_count, > bytestream_put_buffer(&p, "OpusHead", 8); > bytestream_put_byte(&p, 1); /* Version */ > bytestream_put_byte(&p, channels); > - bytestream_put_le16(&p, avctx->initial_padding); /* Lookahead samples at > 48kHz */ > + bytestream_put_le16(&p, avctx->initial_padding * 48000 / > avctx->sample_rate); /* Lookahead samples at 48kHz */ > bytestream_put_le32(&p, avctx->sample_rate); /* Original sample rate */ > bytestream_put_le16(&p, 0); /* Gain of 0dB is recommended. */ >
Pushed, thanks. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
