generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

dump_stream support (nicely formated 0s and 1s)

Browse Source 
Originally committed as revision 375 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2002-04-04 20:04:10 +00:00
parent 5b403c4015
commit fcb609f432
1 changed files with 38 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
libavcodec/common.h
View File

@ -13,6 +13,7 @@
//#define ALT_BITSTREAM_READER //#define ALT_BITSTREAM_READER
//#define ALIGNED_BITSTREAM //#define ALIGNED_BITSTREAM
#define FAST_GET_FIRST_VLC #define FAST_GET_FIRST_VLC
//#define DUMP_STREAM // only works with the ALT_BITSTREAM_READER
#ifdef HAVE_AV_CONFIG_H #ifdef HAVE_AV_CONFIG_H
/* only include the following when compiling package */ /* only include the following when compiling package */
@ -243,7 +244,7 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
#endif #endif
// printf("put_bits=%d %x\n", n, value); // printf("put_bits=%d %x\n", n, value);
assert(n == 32 || value < (1U << n)); assert(n == 32 || value < (1U << n));
bit_buf = s->bit_buf; bit_buf = s->bit_buf;
bit_left = s->bit_left; bit_left = s->bit_left;
@ -469,7 +470,13 @@ static inline unsigned int get_bits(GetBitContext *s, int n){
result>>= 32 - n; result>>= 32 - n;
index+= n; index+= n;
s->index= index; s->index= index;
#ifdef DUMP_STREAM
while(n){
printf("%d", (result>>(n-1))&1);
n--;
}
printf(" ");
#endif
return result; return result;
#endif //!ALIGNED_BITSTREAM #endif //!ALIGNED_BITSTREAM
#else //ALT_BITSTREAM_READER #else //ALT_BITSTREAM_READER
@ -496,6 +503,9 @@ static inline unsigned int get_bits1(GetBitContext *s){
index++; index++;
s->index= index; s->index= index;
#ifdef DUMP_STREAM
printf("%d ", result);
#endif
return result; return result;
#else #else
if(s->bit_cnt>0){ if(s->bit_cnt>0){
@ -593,6 +603,14 @@ static inline int show_aligned_bits(GetBitContext *s, int offset, int n)
static inline void skip_bits(GetBitContext *s, int n){ static inline void skip_bits(GetBitContext *s, int n){
#ifdef ALT_BITSTREAM_READER #ifdef ALT_BITSTREAM_READER
s->index+= n; s->index+= n;
#ifdef DUMP_STREAM
{
int result;
s->index-= n;
result= get_bits(s, n);
}
#endif
#else #else
if(s->bit_cnt>=n){ if(s->bit_cnt>=n){
/* most common case here */ /* most common case here */
@ -610,6 +628,10 @@ static inline void skip_bits(GetBitContext *s, int n){
static inline void skip_bits1(GetBitContext *s){ static inline void skip_bits1(GetBitContext *s){
#ifdef ALT_BITSTREAM_READER #ifdef ALT_BITSTREAM_READER
s->index++; s->index++;
#ifdef DUMP_STREAM
s->index--;
printf("%d ", get_bits1(s));
#endif
#else #else
if(s->bit_cnt>0){ if(s->bit_cnt>0){
/* most common case here */ /* most common case here */
@ -735,6 +757,13 @@ static inline int get_vlc(GetBitContext *s, VLC *vlc)
if (n > 0) { if (n > 0) {
/* most common case (90%)*/ /* most common case (90%)*/
FLUSH_BITS(n); FLUSH_BITS(n);
#ifdef DUMP_STREAM
{
int n= bit_cnt - s->index;
skip_bits(s, n);
RESTORE_BITS(s);
}
#endif
RESTORE_BITS(s); RESTORE_BITS(s);
return code; return code;
} else if (n == 0) { } else if (n == 0) {
@ -769,6 +798,13 @@ static inline int get_vlc(GetBitContext *s, VLC *vlc)
table_bits = vlc->table_bits + code; table_bits = vlc->table_bits + code;
} }
} }
#ifdef DUMP_STREAM
{
int n= bit_cnt - s->index;
skip_bits(s, n);
RESTORE_BITS(s);
}
#endif
RESTORE_BITS(s); RESTORE_BITS(s);
return code; return code;
} }