/** @This frees a upipe.
*
* @param upipe description structure of the pipe
*/
static void upipe_avcdec_free(struct upipe *upipe)
{
struct upipe_avcdec *upipe_avcdec = upipe_avcdec_from_upipe(upipe);
if (upipe_avcdec->context) {
_upipe_avcdec_set_codec(upipe, NULL, NULL, 0);
return; /* _set_codec() calls _use()/_release() */
}
upipe_throw_dead(upipe);
if (upipe_avcdec->frame) {
av_free(upipe_avcdec->frame);
}
if (upipe_avcdec->saved_uref) {
uref_free(upipe_avcdec->saved_uref);
}
if (upipe_avcdec->saved_upump_mgr) {
upump_mgr_sink_unblock(upipe_avcdec->saved_upump_mgr);
upump_mgr_release(upipe_avcdec->saved_upump_mgr);
}
upipe_avcdec_abort_av_deal(upipe);
upipe_avcdec_clean_output(upipe);
upipe_avcdec_clean_ubuf_mgr(upipe);
upipe_avcdec_clean_uref_mgr(upipe);
upipe_avcdec_clean_upump_mgr(upipe);
upipe_clean(upipe);
free(upipe_avcdec);
}
/** @internal @This is called by AudioQueue after reading a buffer
* @param _upipe description structure of the pipe (void)
* @param queue AudioQueue
* @param qbuf AudioQueue buffer
*/
static void upipe_osx_audioqueue_sink_cb(void *_upipe, AudioQueueRef queue,
struct AudioQueueBuffer *qbuf)
{
/* TODO uncblock ? */
#if 0
struct upump_mgr *upump_mgr = qbuf->mUserData;
upump_mgr_sink_unblock(upump_mgr);
upump_mgr_release(upump_mgr);
#endif
AudioQueueFreeBuffer(queue, qbuf);
}
/** @internal @This is the open_codec upump callback
* It calls _open_codec_cb.
*
* @param upump description structure of the pump
*/
static void upipe_avcdec_open_codec_cb(struct upump *upump)
{
assert(upump);
struct upipe *upipe = upump_get_opaque(upump, struct upipe*);
struct upipe_avcdec *upipe_avcdec = upipe_avcdec_from_upipe(upipe);
struct upipe_avcodec_open_params *params = &upipe_avcdec->open_params;
struct upump *upump_av_deal = upipe_avcdec->upump_av_deal;
/* check udeal */
if (upump_av_deal) {
if (unlikely(!upipe_av_deal_grab())) {
upipe_dbg(upipe, "could not grab resource, return");
return;
}
upipe_avcdec->upump_av_deal = NULL;
}
/* real open_codec function */
bool ret = upipe_avcdec_open_codec(upipe, params->codec,
params->extradata, params->extradata_size);
/* clean dealer */
if (unlikely(!upipe_av_deal_yield(upump_av_deal))) {
upump_free(upump_av_deal);
upump_av_deal = NULL;
upipe_err(upipe, "can't stop dealer");
upipe_throw_upump_error(upipe);
if (upipe_avcdec->context) {
avcodec_close(upipe_avcdec->context);
av_free(upipe_avcdec->context);
upipe_avcdec->context = NULL;
}
return;
}
upump_free(upump_av_deal);
upump_av_deal = NULL;
if (!ret) {
return;
}
/* unblock input pump*/
if (upipe_avcdec->saved_upump_mgr) {
upipe_dbg(upipe, "unblocking saved upump_mgr");
upump_mgr_sink_unblock(upipe_avcdec->saved_upump_mgr);
upump_mgr_release(upipe_avcdec->saved_upump_mgr);
upipe_avcdec->saved_upump_mgr = NULL;
}
}