av_cold int avcodec_close(AVCodecContext *avctx)
{
- /* If there is a user-supplied mutex locking routine, call it. */
- if (lockmgr_cb) {
- if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
- return -1;
- }
-
- entangled_thread_counter++;
- if (entangled_thread_counter != 1) {
- av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
- entangled_thread_counter--;
- return -1;
- }
-
if (avcodec_is_open(avctx)) {
FramePool *pool = avctx->internal->pool;
int i;
av_freep(&avctx->extradata);
avctx->codec = NULL;
avctx->active_thread_type = 0;
- entangled_thread_counter--;
- /* Release any user-supplied mutex. */
- if (lockmgr_cb) {
- (*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
- }
return 0;
}