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move some common values to ac3.h and utilize them

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Originally committed as revision 9679 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles
2007-07-15 01:31:09 +00:00
parent cb503702ee
commit cc2a8443eb
5 changed files with 94 additions and 92 deletions
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4
libavcodec/ac3_parser.c
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@ -64,13 +64,13 @@ int ff_ac3_parse_header(const uint8_t buf[7], AC3HeaderInfo *hdr)
hdr->bsmod = get_bits(&gbc, 3);
hdr->acmod = get_bits(&gbc, 3);
if((hdr->acmod & 1) && hdr->acmod != 1) {
if((hdr->acmod & 1) && hdr->acmod != AC3_ACMOD_MONO) {
hdr->cmixlev = get_bits(&gbc, 2);
}
if(hdr->acmod & 4) {
hdr->surmixlev = get_bits(&gbc, 2);
}
if(hdr->acmod == 2) {
if(hdr->acmod == AC3_ACMOD_STEREO) {
hdr->dsurmod = get_bits(&gbc, 2);
}
hdr->lfeon = get_bits1(&gbc);