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avcodec/ac3dec: set preferred_stereo_downmix using the relevant coded value

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2024-12-24 00:26:33 -03:00
parent 9d16c64134
commit 15b16d58df
1 changed files with 14 additions and 0 deletions
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14
libavcodec/ac3dec.c
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@ -1611,6 +1611,20 @@ dependent_frame:
s->loro_surround_mix_level = gain_levels[s->surround_mix_level];
s->ltrt_center_mix_level = gain_levels[s-> center_mix_level_ltrt];
s->ltrt_surround_mix_level = gain_levels[s->surround_mix_level_ltrt];
switch (s->preferred_downmix) {
case AC3_DMIXMOD_LTRT:
s->preferred_stereo_downmix = AV_DOWNMIX_TYPE_LTRT;
break;
case AC3_DMIXMOD_LORO:
s->preferred_stereo_downmix = AV_DOWNMIX_TYPE_LORO;
break;
case AC3_DMIXMOD_DPLII:
s->preferred_stereo_downmix = AV_DOWNMIX_TYPE_DPLII;
break;
default:
s->preferred_stereo_downmix = AV_DOWNMIX_TYPE_UNKNOWN;
break;
}
/* set downmixing coefficients if needed */
if (s->channels != s->out_channels && !((s->output_mode & AC3_OUTPUT_LFEON) &&
s->fbw_channels == s->out_channels)) {