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ac3enc: fix 'channel_coupling' option to actually allow 'auto'.

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Use 'auto' as the default value.
This commit is contained in:
Justin Ruggles 2011-08-10 10:21:10 -04:00
parent 4a71da0f3a
commit 9542ca9fb7
2 changed files with 7 additions and 3 deletions
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8
libavcodec/ac3enc.c
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@ -2211,8 +2211,12 @@ static av_cold void set_bandwidth(AC3EncodeContext *s)
cpl_start = s->options.cpl_start;
} else {
cpl_start = ac3_coupling_start_tab[s->channel_mode-2][s->bit_alloc.sr_code][s->frame_size_code/2];
if (cpl_start < 0)
s->cpl_enabled = 0;
if (cpl_start < 0) {
if (s->options.channel_coupling < 0)
s->cpl_enabled = 0;
else
cpl_start = 15;
}
}
}
if (s->cpl_enabled) {

2
libavcodec/ac3enc_opts_template.c
View File

@ -73,7 +73,7 @@ static const AVOption eac3_options[] = {
/* Other Encoding Options */
{"stereo_rematrixing", "Stereo Rematrixing", OFFSET(stereo_rematrixing), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, 1, AC3ENC_PARAM},
#if AC3ENC_TYPE != AC3ENC_TYPE_AC3_FIXED
{"channel_coupling", "Channel Coupling", OFFSET(channel_coupling), FF_OPT_TYPE_INT, {.dbl = 1 }, 0, 1, AC3ENC_PARAM, "channel_coupling"},
{"channel_coupling", "Channel Coupling", OFFSET(channel_coupling), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 1, AC3ENC_PARAM, "channel_coupling"},
{"auto", "Selected by the Encoder", 0, FF_OPT_TYPE_CONST, {.dbl = -1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "channel_coupling"},
{"cpl_start_band", "Coupling Start Band", OFFSET(cpl_start), FF_OPT_TYPE_INT, {.dbl = -1 }, -1, 15, AC3ENC_PARAM, "cpl_start_band"},
{"auto", "Selected by the Encoder", 0, FF_OPT_TYPE_CONST, {.dbl = -1 }, INT_MIN, INT_MAX, AC3ENC_PARAM, "cpl_start_band"},