Commit 4e2b9bcc authored by Michael Niedermayer's avatar Michael Niedermayer

Make MPEG-1/2 decoder work with the libmpeg2-style bitstream reader.

Originally committed as revision 9890 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 3357ff33
......@@ -737,7 +737,9 @@ static inline int mpeg1_decode_block_inter(MpegEncContext *s,
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
#if MIN_CACHE_BITS < 19
UPDATE_CACHE(re, &s->gb);
#endif
/* now quantify & encode AC coefs */
for(;;) {
GET_RL_VLC(level, run, re, &s->gb, rl->rl_vlc[0], TEX_VLC_BITS, 2, 0);
......@@ -777,9 +779,14 @@ static inline int mpeg1_decode_block_inter(MpegEncContext *s,
}
block[j] = level;
#if MIN_CACHE_BITS < 19
UPDATE_CACHE(re, &s->gb);
#endif
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
#if MIN_CACHE_BITS >= 19
UPDATE_CACHE(re, &s->gb);
#endif
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
......@@ -812,6 +819,9 @@ static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, DCTELEM *bloc
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
#if MIN_CACHE_BITS < 19
UPDATE_CACHE(re, &s->gb);
#endif
/* now quantify & encode AC coefs */
for(;;) {
......@@ -848,9 +858,14 @@ static inline int mpeg1_fast_decode_block_inter(MpegEncContext *s, DCTELEM *bloc
}
block[j] = level;
#if MIN_CACHE_BITS < 19
UPDATE_CACHE(re, &s->gb);
#endif
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
#if MIN_CACHE_BITS >= 19
UPDATE_CACHE(re, &s->gb);
#endif
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
......@@ -895,6 +910,9 @@ static inline int mpeg2_decode_block_non_intra(MpegEncContext *s,
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
#if MIN_CACHE_BITS < 19
UPDATE_CACHE(re, &s->gb);
#endif
/* now quantify & encode AC coefs */
for(;;) {
......@@ -928,9 +946,14 @@ static inline int mpeg2_decode_block_non_intra(MpegEncContext *s,
mismatch ^= level;
block[j] = level;
#if MIN_CACHE_BITS < 19
UPDATE_CACHE(re, &s->gb);
#endif
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
#if MIN_CACHE_BITS >= 19
UPDATE_CACHE(re, &s->gb);
#endif
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
......@@ -965,6 +988,9 @@ static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s,
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
goto end;
}
#if MIN_CACHE_BITS < 19
UPDATE_CACHE(re, &s->gb);
#endif
/* now quantify & encode AC coefs */
for(;;) {
......@@ -993,9 +1019,14 @@ static inline int mpeg2_fast_decode_block_non_intra(MpegEncContext *s,
}
block[j] = level;
#if MIN_CACHE_BITS < 19
UPDATE_CACHE(re, &s->gb);
#endif
if(((int32_t)GET_CACHE(re, &s->gb)) <= (int32_t)0xBFFFFFFF)
break;
#if MIN_CACHE_BITS >=19
UPDATE_CACHE(re, &s->gb);
#endif
}
end:
LAST_SKIP_BITS(re, &s->gb, 2);
......
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