static void
gst_amc_audio_dec_flush (GstAudioDecoder * decoder, gboolean hard)
{
GstAmcAudioDec *self;
self = GST_AMC_AUDIO_DEC (decoder);
GST_DEBUG_OBJECT (self, "Resetting decoder");
if (!self->started) {
GST_DEBUG_OBJECT (self, "Codec not started yet");
return;
}
self->flushing = TRUE;
gst_amc_codec_flush (self->codec);
/* Wait until the srcpad loop is finished,
* unlock GST_AUDIO_DECODER_STREAM_LOCK to prevent deadlocks
* caused by using this lock from inside the loop function */
GST_AUDIO_DECODER_STREAM_UNLOCK (self);
GST_PAD_STREAM_LOCK (GST_AUDIO_DECODER_SRC_PAD (self));
GST_PAD_STREAM_UNLOCK (GST_AUDIO_DECODER_SRC_PAD (self));
GST_AUDIO_DECODER_STREAM_LOCK (self);
self->flushing = FALSE;
/* Start the srcpad loop again */
self->last_upstream_ts = 0;
self->eos = FALSE;
self->downstream_flow_ret = GST_FLOW_OK;
gst_pad_start_task (GST_AUDIO_DECODER_SRC_PAD (self),
(GstTaskFunction) gst_amc_audio_dec_loop, decoder, NULL);
GST_DEBUG_OBJECT (self, "Reset decoder");
}
static gboolean
gst_amc_video_dec_stop (GstVideoDecoder * decoder)
{
GstAmcVideoDec *self;
GError *err = NULL;
self = GST_AMC_VIDEO_DEC (decoder);
GST_DEBUG_OBJECT (self, "Stopping decoder");
self->flushing = TRUE;
if (self->started) {
gst_amc_codec_flush (self->codec, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
gst_amc_codec_stop (self->codec, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
self->started = FALSE;
}
gst_pad_stop_task (GST_VIDEO_DECODER_SRC_PAD (decoder));
self->downstream_flow_ret = GST_FLOW_FLUSHING;
self->drained = TRUE;
g_mutex_lock (&self->drain_lock);
self->draining = FALSE;
g_cond_broadcast (&self->drain_cond);
g_mutex_unlock (&self->drain_lock);
g_free (self->codec_data);
self->codec_data_size = 0;
if (self->input_state)
gst_video_codec_state_unref (self->input_state);
self->input_state = NULL;
GST_DEBUG_OBJECT (self, "Stopped decoder");
return TRUE;
}
static GstStateChangeReturn
gst_amc_audio_dec_change_state (GstElement * element, GstStateChange transition)
{
GstAmcAudioDec *self;
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
GError *err = NULL;
g_return_val_if_fail (GST_IS_AMC_AUDIO_DEC (element),
GST_STATE_CHANGE_FAILURE);
self = GST_AMC_AUDIO_DEC (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
self->downstream_flow_ret = GST_FLOW_OK;
self->draining = FALSE;
self->started = FALSE;
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
self->flushing = TRUE;
gst_amc_codec_flush (self->codec, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
g_mutex_lock (&self->drain_lock);
self->draining = FALSE;
g_cond_broadcast (&self->drain_cond);
g_mutex_unlock (&self->drain_lock);
break;
default:
break;
}
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
self->downstream_flow_ret = GST_FLOW_FLUSHING;
self->started = FALSE;
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;
default:
break;
}
return ret;
}
static gboolean
gst_amc_video_enc_flush (GstVideoEncoder * encoder)
{
GstAmcVideoEnc *self;
GError *err = NULL;
self = GST_AMC_VIDEO_ENC (encoder);
GST_DEBUG_OBJECT (self, "Flushing encoder");
if (!self->started) {
GST_DEBUG_OBJECT (self, "Codec not started yet");
return TRUE;
}
self->flushing = TRUE;
gst_amc_codec_flush (self->codec, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
/* Wait until the srcpad loop is finished,
* unlock GST_VIDEO_ENCODER_STREAM_LOCK to prevent deadlocks
* caused by using this lock from inside the loop function */
GST_VIDEO_ENCODER_STREAM_UNLOCK (self);
GST_PAD_STREAM_LOCK (GST_VIDEO_ENCODER_SRC_PAD (self));
GST_PAD_STREAM_UNLOCK (GST_VIDEO_ENCODER_SRC_PAD (self));
GST_VIDEO_ENCODER_STREAM_LOCK (self);
self->flushing = FALSE;
/* Start the srcpad loop again */
self->last_upstream_ts = 0;
self->drained = TRUE;
self->downstream_flow_ret = GST_FLOW_OK;
gst_pad_start_task (GST_VIDEO_ENCODER_SRC_PAD (self),
(GstTaskFunction) gst_amc_video_enc_loop, encoder, NULL);
GST_DEBUG_OBJECT (self, "Flush encoder");
return TRUE;
}
static gboolean
gst_amc_audio_dec_stop (GstAudioDecoder * decoder)
{
GstAmcAudioDec *self;
GError *err = NULL;
self = GST_AMC_AUDIO_DEC (decoder);
GST_DEBUG_OBJECT (self, "Stopping decoder");
self->flushing = TRUE;
if (self->started) {
gst_amc_codec_flush (self->codec, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
gst_amc_codec_stop (self->codec, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
self->started = FALSE;
}
gst_pad_stop_task (GST_AUDIO_DECODER_SRC_PAD (decoder));
memset (self->positions, 0, sizeof (self->positions));
gst_adapter_flush (self->output_adapter,
gst_adapter_available (self->output_adapter));
g_list_foreach (self->codec_datas, (GFunc) g_free, NULL);
g_list_free (self->codec_datas);
self->codec_datas = NULL;
self->downstream_flow_ret = GST_FLOW_FLUSHING;
self->drained = TRUE;
g_mutex_lock (&self->drain_lock);
self->draining = FALSE;
g_cond_broadcast (&self->drain_cond);
g_mutex_unlock (&self->drain_lock);
GST_DEBUG_OBJECT (self, "Stopped decoder");
return TRUE;
}
static gboolean
gst_amc_audio_dec_stop (GstAudioDecoder * decoder)
{
GstAmcAudioDec *self;
self = GST_AMC_AUDIO_DEC (decoder);
GST_DEBUG_OBJECT (self, "Stopping decoder");
self->flushing = TRUE;
if (self->started) {
gst_amc_codec_flush (self->codec);
gst_amc_codec_stop (self->codec);
self->started = FALSE;
if (self->input_buffers)
gst_amc_codec_free_buffers (self->input_buffers, self->n_input_buffers);
self->input_buffers = NULL;
if (self->output_buffers)
gst_amc_codec_free_buffers (self->output_buffers, self->n_output_buffers);
self->output_buffers = NULL;
}
gst_pad_stop_task (GST_AUDIO_DECODER_SRC_PAD (decoder));
memset (self->positions, 0, sizeof (self->positions));
g_list_foreach (self->codec_datas, (GFunc) g_free, NULL);
g_list_free (self->codec_datas);
self->codec_datas = NULL;
self->downstream_flow_ret = GST_FLOW_FLUSHING;
self->eos = FALSE;
g_mutex_lock (&self->drain_lock);
self->draining = FALSE;
g_cond_broadcast (&self->drain_cond);
g_mutex_unlock (&self->drain_lock);
GST_DEBUG_OBJECT (self, "Stopped decoder");
return TRUE;
}
