Revision e74c01db libavformat/utils.c
| libavformat/utils.c | ||
|---|---|---|
| 524 | 524 |
#define PROBE_BUF_MIN 2048 |
| 525 | 525 |
#define PROBE_BUF_MAX (1<<20) |
| 526 | 526 |
|
| 527 |
int ff_probe_input_buffer(ByteIOContext **pb, AVInputFormat **fmt,
|
|
| 527 |
int ff_probe_input_buffer(ByteIOContext *pb, AVInputFormat **fmt, |
|
| 528 | 528 |
const char *filename, void *logctx, |
| 529 | 529 |
unsigned int offset, unsigned int max_probe_size) |
| 530 | 530 |
{
|
| ... | ... | |
| 555 | 555 |
|
| 556 | 556 |
/* read probe data */ |
| 557 | 557 |
buf = av_realloc(buf, probe_size + AVPROBE_PADDING_SIZE); |
| 558 |
if ((ret = get_buffer(*pb, buf + buf_offset, probe_size - buf_offset)) < 0) {
|
|
| 558 |
if ((ret = get_buffer(pb, buf + buf_offset, probe_size - buf_offset)) < 0) {
|
|
| 559 | 559 |
/* fail if error was not end of file, otherwise, lower score */ |
| 560 | 560 |
if (ret != AVERROR_EOF) {
|
| 561 | 561 |
av_free(buf); |
| ... | ... | |
| 585 | 585 |
} |
| 586 | 586 |
|
| 587 | 587 |
/* rewind. reuse probe buffer to avoid seeking */ |
| 588 |
if ((ret = ff_rewind_with_probe_data(*pb, buf, pd.buf_size)) < 0)
|
|
| 588 |
if ((ret = ff_rewind_with_probe_data(pb, buf, pd.buf_size)) < 0) |
|
| 589 | 589 |
av_free(buf); |
| 590 | 590 |
|
| 591 | 591 |
return ret; |
| ... | ... | |
| 622 | 622 |
if (buf_size > 0) {
|
| 623 | 623 |
url_setbufsize(pb, buf_size); |
| 624 | 624 |
} |
| 625 |
if (!fmt && (err = ff_probe_input_buffer(&pb, &fmt, filename, logctx, 0, logctx ? (*ic_ptr)->probesize : 0)) < 0) {
|
|
| 625 |
if (!fmt && (err = ff_probe_input_buffer(pb, &fmt, filename, logctx, 0, logctx ? (*ic_ptr)->probesize : 0)) < 0) {
|
|
| 626 | 626 |
goto fail; |
| 627 | 627 |
} |
| 628 | 628 |
} |
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