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Use of new bitstream in vorbis_enc.c.

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Patch by Bartłomiej Wołowiec b wolowiec AT students mimuw edu pl

Originally committed as revision 15622 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Bartłomiej Wołowiec 2008-10-15 08:01:54 +00:00 committed by Benoit Fouet
parent a6080be7a2
commit 757d91a6e6
1 changed files with 3 additions and 46 deletions
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49
libavcodec/vorbis_enc.c
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@ -30,6 +30,9 @@
#include "vorbis.h"
#include "vorbis_enc_data.h"
#define BITSTREAM_WRITER_LE
#include "bitstream.h"
#undef NDEBUG
#include <assert.h>
@ -122,52 +125,6 @@ typedef struct {
int64_t sample_count;
} venc_context_t;
typedef struct {
int total;
int total_pos;
int pos;
uint8_t * buf_ptr;
} PutBitContext;
static inline void init_put_bits(PutBitContext * pb, uint8_t * buf, int buffer_len) {
pb->total = buffer_len * 8;
pb->total_pos = 0;
pb->pos = 0;
pb->buf_ptr = buf;
}
static void put_bits(PutBitContext * pb, int bits, uint64_t val) {
if ((pb->total_pos += bits) >= pb->total) return;
if (!bits) return;
if (pb->pos) {
if (pb->pos > bits) {
*pb->buf_ptr |= val << (8 - pb->pos);
pb->pos -= bits;
bits = 0;
} else {
*pb->buf_ptr++ |= (val << (8 - pb->pos)) & 0xFF;
val >>= pb->pos;
bits -= pb->pos;
pb->pos = 0;
}
}
for (; bits >= 8; bits -= 8) {
*pb->buf_ptr++ = val & 0xFF;
val >>= 8;
}
if (bits) {
*pb->buf_ptr = val;
pb->pos = 8 - bits;
}
}
static inline void flush_put_bits(PutBitContext * pb) {
}
static inline int put_bits_count(PutBitContext * pb) {
return pb->total_pos;
}
static inline void put_codeword(PutBitContext * pb, codebook_t * cb, int entry) {
assert(entry >= 0);
assert(entry < cb->nentries);