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Code Issues Releases Activity

DCA frame size is constant

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Originally committed as revision 12835 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-04-15 13:36:56 +00:00
parent a8f0c9c5b9
commit f4bcc857cb
1 changed files with 6 additions and 1 deletions
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7
libavcodec/dca_parser.c
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@ -32,6 +32,8 @@
typedef struct DCAParseContext { typedef struct DCAParseContext {
ParseContext pc; ParseContext pc;
uint32_t lastmarker; uint32_t lastmarker;
int size;
int framesize;
} DCAParseContext; } DCAParseContext;
#define IS_MARKER(state, i, buf, buf_size) \ #define IS_MARKER(state, i, buf, buf_size) \
@ -71,10 +73,13 @@ static int dca_find_frame_end(DCAParseContext * pc1, const uint8_t * buf,
} }
if (start_found) { if (start_found) {
for (; i < buf_size; i++) { for (; i < buf_size; i++) {
pc1->size++;
state = (state << 8) | buf[i]; state = (state << 8) | buf[i];
if (state == pc1->lastmarker && IS_MARKER(state, i, buf, buf_size)) { if (state == pc1->lastmarker && IS_MARKER(state, i, buf, buf_size) && (!pc1->framesize || pc1->framesize == pc1->size)) {
pc->frame_start_found = 0; pc->frame_start_found = 0;
pc->state = -1; pc->state = -1;
pc1->framesize = pc1->size;
pc1->size = 0;
return i - 3; return i - 3;
} }
} }