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Original Commit: r9 | ods15 | 2006-09-17 18:56:41 +0300 (Sun, 17 Sep 2006) | 2 lines

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add residue header syntax

Originally committed as revision 6420 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Oded Shimon 2006-10-02 05:55:26 +00:00
parent d2d5c89d34
commit 6f133df1ea
1 changed files with 33 additions and 0 deletions
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33
libavcodec/vorbis_enc.c
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@ -70,6 +70,13 @@ typedef struct {
} floor_t;
typedef struct {
int type;
int begin;
int end;
int partition_size;
int classifications;
int classbook;
int (*books)[8];
} residue_t;
typedef struct {
@ -198,6 +205,32 @@ static void put_floor_header(PutBitContext * pb, floor_t * fc) {
}
static void put_residue_header(PutBitContext * pb, residue_t * rc) {
int i;
put_bits(pb, 16, rc->type);
put_bits(pb, 24, rc->begin);
put_bits(pb, 24, rc->end);
put_bits(pb, 24, rc->partition_size - 1);
put_bits(pb, 6, rc->classifications);
put_bits(pb, 8, rc->classbook);
for (i = 0; i < rc->classifications; i++) {
int j, tmp = 0;
for (j = 0; j < 8; j++) tmp |= (!!rc->books[i][j]) << j;
put_bits(pb, 3, tmp & 7);
put_bits(pb, 1, tmp > 7);
if (tmp > 7) put_bits(pb, 5, tmp >> 3);
}
for (i = 0; i < rc->classifications; i++) {
int j;
for (j = 0; j < 8; j++)
if (rc->books[i][j])
put_bits(pb, 8, rc->books[i][j]);
}
}
static int put_main_header(venc_context_t * venc, uint8_t ** out) {