av_free(s);
return size - padding;
}
+
+static int null_buf_write(void *opaque, uint8_t *buf, int buf_size)
+{
+ DynBuffer *d = opaque;
+
+ d->pos += buf_size;
+ if (d->pos > d->size)
+ d->size = d->pos;
+ return buf_size;
+}
+
+int ffio_open_null_buf(AVIOContext **s)
+{
+ int ret = url_open_dyn_buf_internal(s, 0);
+ if (ret >= 0) {
+ AVIOContext *pb = *s;
+ pb->write_packet = null_buf_write;
+ }
+ return ret;
+}
+
+int ffio_close_null_buf(AVIOContext *s)
+{
+ DynBuffer *d = s->opaque;
+ int size;
+
+ avio_flush(s);
+
+ size = d->size;
+ av_free(d);
+ av_free(s);
+ return size;
+}