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ac3: set default matrix encoding modes in parse_frame_header. 

Deduplicates some code.
This commit is contained in:
Tim Walker 2014-01-17 15:18:45 +01:00
parent 8b2e5e42bb
commit 1f604f96ea
2 changed files with 2 additions and 9 deletions
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6
libavcodec/ac3dec.c
View File

@ -227,10 +227,6 @@ static int ac3_parse_header(AC3DecodeContext *s)
skip_bits(gbc, 2); //skip copyright bit and original bitstream bit
/* default dolby matrix encoding modes */
s->dolby_surround_ex_mode = AC3_DSUREXMOD_NOTINDICATED;
s->dolby_headphone_mode = AC3_DHEADPHONMOD_NOTINDICATED;
/* skip the timecodes or parse the Alternate Bit Stream Syntax
TODO: read & use the xbsi1 downmix levels */
if (s->bitstream_id != 6) {
@ -290,6 +286,8 @@ static int parse_frame_header(AC3DecodeContext *s)
s->frame_type = hdr.frame_type;
s->substreamid = hdr.substreamid;
s->dolby_surround_mode = hdr.dolby_surround_mode;
s->dolby_surround_ex_mode = AC3_DSUREXMOD_NOTINDICATED;
s->dolby_headphone_mode = AC3_DHEADPHONMOD_NOTINDICATED;
if (s->lfe_on) {
s->start_freq[s->lfe_ch] = 0;

5
libavcodec/eac3dec.c
View File

@ -341,11 +341,6 @@ int ff_eac3_parse_header(AC3DecodeContext *s)
}
}
/* default dolby matrix encoding modes */
s->dolby_surround_mode = AC3_DSURMOD_NOTINDICATED;
s->dolby_surround_ex_mode = AC3_DSUREXMOD_NOTINDICATED;
s->dolby_headphone_mode = AC3_DHEADPHONMOD_NOTINDICATED;
/* mixing metadata */
if (get_bits1(gbc)) {
/* center and surround mix levels */