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lavf/dauddec: set timebase to 1/samplerate

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Prevents lavf from generating inexact timestamps with the default
timebase of 1/90000.
This commit is contained in:
Anton Khirnov 2023-04-24 10:55:43 +02:00
parent 78f95f1088
commit af8be7bf43
3 changed files with 22 additions and 18 deletions
libavformat
dauddec.c
tests/ref/fate
d-cinema-demuxdcinema-encode

4
libavformat/dauddec.c

@ -21,6 +21,7 @@
#include "libavutil/channel_layout.h"
#include "avformat.h"
#include "internal.h"
static int daud_header(AVFormatContext *s) {
AVStream *st = avformat_new_stream(s, NULL);
@ -34,6 +35,9 @@ static int daud_header(AVFormatContext *s) {
st->codecpar->bit_rate = 3 * 6 * 96000 * 8;
st->codecpar->block_align = 3 * 6;
st->codecpar->bits_per_coded_sample = 24;
avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
return 0;
}

10
tests/ref/fate/d-cinema-demux

@ -1,9 +1,9 @@
#tb 0: 1/90000
#tb 0: 1/96000
#media_type 0: audio
#codec_id 0: pcm_s24daud
#sample_rate 0: 96000
#channel_layout_name 0: 5.1(side)
0, 0, 0, 1875, 36000, 0xd592781d
0, 1875, 1875, 1875, 36000, 0xd592781d
0, 3750, 3750, 1875, 36000, 0xd592781d
0, 5625, 5625, 1200, 23056, 0xde81f0d6, F=0x3
0, 0, 0, 2000, 36000, 0xd592781d
0, 2000, 2000, 2000, 36000, 0xd592781d
0, 4000, 4000, 2000, 36000, 0xd592781d
0, 6000, 6000, 1280, 23056, 0xde81f0d6, F=0x3

26
tests/ref/fate/dcinema-encode

@ -9,21 +9,21 @@
#stream#, dts, pts, duration, size, hash
0, 0, 0, 341, 4092, 697cddfcd0e21f24782af0705b7048f3
0, 341, 341, 341, 4092, a057b18cd493923fed33c18578f61e0b
0, 683, 683, 341, 4092, f4eacfd888566040067b8e5ce7d276c6
0, 1024, 1024, 341, 4092, 4de78d332ce2047014880a110c160dc2
0, 682, 682, 341, 4092, f4eacfd888566040067b8e5ce7d276c6
0, 1023, 1023, 341, 4092, 4de78d332ce2047014880a110c160dc2
0, 1364, 1364, 341, 4092, 138ee3fc206538feca6de3d6d62d08eb
0, 1706, 1706, 341, 4092, 187a2f2998aa1c0ba0130c57dd1d6c86
0, 2047, 2047, 341, 4092, 54e6c3db8a5f8c09b47f025659a36b17
0, 1705, 1705, 341, 4092, 187a2f2998aa1c0ba0130c57dd1d6c86
0, 2046, 2046, 341, 4092, 54e6c3db8a5f8c09b47f025659a36b17
0, 2387, 2387, 341, 4092, 8abfdf44a24c158429c71e01cee31e20
0, 2729, 2729, 341, 4092, bd08f5018edc5dc4520739e913ed89a3
0, 3070, 3070, 341, 4092, 9f60ba4275646344e4a9b3c647efffe9
0, 3411, 3411, 341, 4092, 00cefc1f27230cdd06ecd43132e16327
0, 2728, 2728, 341, 4092, bd08f5018edc5dc4520739e913ed89a3
0, 3069, 3069, 341, 4092, 9f60ba4275646344e4a9b3c647efffe9
0, 3410, 3410, 341, 4092, 00cefc1f27230cdd06ecd43132e16327
0, 3751, 3751, 341, 4092, d4d13047cd639ed722a4ae1bc1f06991
0, 4093, 4093, 341, 4092, 16b227e4f968c11cba279506f00d5172
0, 4434, 4434, 341, 4092, 70f4046f709fdd4d80e2f2ffc862f21a
0, 4092, 4092, 341, 4092, 16b227e4f968c11cba279506f00d5172
0, 4433, 4433, 341, 4092, 70f4046f709fdd4d80e2f2ffc862f21a
0, 4774, 4774, 341, 4092, adbef4b4ef728f0c2a31b4b0baba50a0
0, 5116, 5116, 341, 4092, fe009b6cc96b9d1098dcc5fba0e6b3fa
0, 5457, 5457, 341, 4092, 4462b2f1654c9b31fdd7ab04ffb84192
0, 5115, 5115, 341, 4092, fe009b6cc96b9d1098dcc5fba0e6b3fa
0, 5456, 5456, 341, 4092, 4462b2f1654c9b31fdd7ab04ffb84192
0, 5797, 5797, 341, 4092, 2e96ba3bd13de03f9cfdc2b8c3ea0620
0, 6139, 6139, 341, 4092, 395c920f10cce6670029a98095eba027
0, 6480, 6480, 341, 4092, 28d4c2f6364f31cb61f4aa144badc734
0, 6138, 6138, 341, 4092, 395c920f10cce6670029a98095eba027
0, 6479, 6479, 341, 4092, 28d4c2f6364f31cb61f4aa144badc734