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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2009-03-21 00:44:42 +0000 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2009-03-21 00:44:42 +0000 |
| commit | 3159780b18976dfd108576da473f4f97a9d7ca6f (patch) | |
| tree | 4e358d1f1082abda81e90145a7c60783e909add3 /libavcodec/flacenc.c | |
| parent | c15020dd1ddd9bcedcd92e6eac8100d0b71ddf62 (diff) | |
| download | ffmpeg-3159780b18976dfd108576da473f4f97a9d7ca6f.tar.gz | |
share channel mode constants between the FLAC decoder and FLAC encoder
Originally committed as revision 18082 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/flacenc.c')
| -rw-r--r-- | libavcodec/flacenc.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/libavcodec/flacenc.c b/libavcodec/flacenc.c index 7ddaf7ed81..1b2e52a3e6 100644 --- a/libavcodec/flacenc.c +++ b/libavcodec/flacenc.c @@ -34,12 +34,6 @@ #define FLAC_SUBFRAME_FIXED 8 #define FLAC_SUBFRAME_LPC 32 -#define FLAC_CHMODE_NOT_STEREO 0 -#define FLAC_CHMODE_LEFT_RIGHT 1 -#define FLAC_CHMODE_LEFT_SIDE 8 -#define FLAC_CHMODE_RIGHT_SIDE 9 -#define FLAC_CHMODE_MID_SIDE 10 - #define MAX_FIXED_ORDER 4 #define MAX_PARTITION_ORDER 8 #define MAX_PARTITIONS (1 << MAX_PARTITION_ORDER) @@ -1006,7 +1000,7 @@ static int estimate_stereo_mode(int32_t *left_ch, int32_t *right_ch, int n) } } if(best == 0) { - return FLAC_CHMODE_LEFT_RIGHT; + return FLAC_CHMODE_INDEPENDENT; } else if(best == 1) { return FLAC_CHMODE_LEFT_SIDE; } else if(best == 2) { @@ -1031,14 +1025,14 @@ static void channel_decorrelation(FlacEncodeContext *ctx) right = frame->subframes[1].samples; if(ctx->channels != 2) { - frame->ch_mode = FLAC_CHMODE_NOT_STEREO; + frame->ch_mode = FLAC_CHMODE_INDEPENDENT; return; } frame->ch_mode = estimate_stereo_mode(left, right, n); /* perform decorrelation and adjust bits-per-sample */ - if(frame->ch_mode == FLAC_CHMODE_LEFT_RIGHT) { + if(frame->ch_mode == FLAC_CHMODE_INDEPENDENT) { return; } if(frame->ch_mode == FLAC_CHMODE_MID_SIDE) { @@ -1078,7 +1072,7 @@ static void output_frame_header(FlacEncodeContext *s) put_bits(&s->pb, 16, 0xFFF8); put_bits(&s->pb, 4, frame->bs_code[0]); put_bits(&s->pb, 4, s->sr_code[0]); - if(frame->ch_mode == FLAC_CHMODE_NOT_STEREO) { + if(frame->ch_mode == FLAC_CHMODE_INDEPENDENT) { put_bits(&s->pb, 4, s->ch_code); } else { put_bits(&s->pb, 4, frame->ch_mode); |