} else {
int64_t res;
-#if CONFIG_MUXERS || CONFIG_NETWORK
if (s->write_flag) {
flush_buffer(s);
s->must_flush = 1;
}
-#endif /* CONFIG_MUXERS || CONFIG_NETWORK */
if (!s->seek)
return AVERROR(EPIPE);
if ((res = s->seek(s->opaque, offset, SEEK_SET)) < 0)
return 0;
}
-int ffio_rewind_with_probe_data(AVIOContext *s, unsigned char *buf, int buf_size)
+int ffio_rewind_with_probe_data(AVIOContext *s, unsigned char **bufp, int buf_size)
{
int64_t buffer_start;
int buffer_size;
int overlap, new_size, alloc_size;
+ uint8_t *buf = *bufp;
- if (s->write_flag)
+ if (s->write_flag) {
+ av_freep(bufp);
return AVERROR(EINVAL);
+ }
buffer_size = s->buf_end - s->buffer;
/* the buffers must touch or overlap */
- if ((buffer_start = s->pos - buffer_size) > buf_size)
+ if ((buffer_start = s->pos - buffer_size) > buf_size) {
+ av_freep(bufp);
return AVERROR(EINVAL);
+ }
overlap = buf_size - buffer_start;
new_size = buf_size + buffer_size - overlap;
alloc_size = FFMAX(s->buffer_size, new_size);
if (alloc_size > buf_size)
- if (!(buf = av_realloc_f(buf, 1, alloc_size)))
+ if (!(buf = (*bufp) = av_realloc_f(buf, 1, alloc_size)))
return AVERROR(ENOMEM);
if (new_size > buf_size) {