static void goo_engine_chain (GooEngine* self) { g_assert (GOO_IS_ENGINE (self)); g_assert (GOO_IS_COMPONENT (self->component)); gboolean input_processed = FALSE; OMX_BUFFERHEADERTYPE* buffer = NULL; while (!input_processed && !goo_component_is_done (self->component)) { /* OUTPUT PROCESSING */ if (G_LIKELY (self->outport) && !goo_port_is_tunneled (self->outport) && !goo_port_is_eos (self->outport)) { while ((buffer = goo_port_try_grab_buffer (self->outport)) != NULL) { GOO_OBJECT_DEBUG (self, "popt output buffer: 0x%x", buffer); goo_port_process_buffer (self->outport, buffer, self->component); goo_component_release_buffer (self->component, buffer); } } /* INPUT PROCESSING */ if (G_LIKELY (self->inport) && !goo_port_is_tunneled (self->inport) && !goo_port_is_eos (self->inport)) { if ((buffer = goo_port_try_grab_buffer (self->inport)) != NULL) { GOO_OBJECT_DEBUG (self, "popt input buffer: 0x%x", buffer); goo_port_process_buffer (self->inport, buffer, self); goo_component_release_buffer (self->component, buffer); input_processed = TRUE; } } } return; }
static void goo_engine_process_input (GooEngine* self) { g_assert (GOO_IS_ENGINE (self)); g_assert (GOO_IS_COMPONENT (self->component)); g_return_if_fail (G_LIKELY (self->inport)); if (goo_port_is_tunneled (self->inport) || goo_port_is_eos (self->inport)) { return; } OMX_BUFFERHEADERTYPE* buffer = NULL; buffer = goo_port_grab_buffer (self->inport); GOO_OBJECT_DEBUG (self, "popt input buffer: 0x%x", buffer); goo_engine_inport_cb (self->inport, buffer, self->component); /* goo_port_process_buffer (self->inport, buffer, self); */ g_atomic_int_inc (&self->incount); goo_component_release_buffer (self->component, buffer); return; }
static void goo_engine_outport_cb (GooPort* port, OMX_BUFFERHEADERTYPE* buffer, gpointer data) { g_assert (GOO_IS_PORT (port)); g_assert (buffer != NULL); g_assert (GOO_IS_COMPONENT (data)); GooComponent* component = GOO_COMPONENT (data); GooEngine* self = GOO_ENGINE ( g_object_get_data (G_OBJECT (component), "engine") ); g_assert (self->outstream != NULL); if (buffer->nFilledLen <= 0 && (buffer->nFlags & OMX_BUFFERFLAG_EOS) != 0x1) { GOO_OBJECT_ERROR (self, "Empty buffer received!!"); } if (buffer->nFilledLen > 0) { GOO_OBJECT_DEBUG (self, "%d bytes written", buffer->nFilledLen); fwrite (buffer->pBuffer, 1, buffer->nFilledLen, self->outstream); /* fflush (self->outfile); */ } /* we count the empty buffer only if it have de EOS flag */ if ((buffer->nFilledLen > 0) || ((buffer->nFlags & OMX_BUFFERFLAG_EOS) == 0x1 && buffer->nFilledLen == 0)) { g_atomic_int_inc (&self->outcount); } /* if we assigned the number of buffer to process */ if (self->numbuffers != 0 && self->outcount == self->numbuffers) { goo_port_set_eos (port); } if ((buffer->nFlags & OMX_BUFFERFLAG_EOS) == 0x1 || goo_port_is_eos (port)) { goo_component_set_done (self->component); } goo_component_release_buffer (component, buffer); return; }
static GstFlowReturn process_output_buffer (GstGooEncPcm* self, OMX_BUFFERHEADERTYPE* buffer) { GstBuffer* out = NULL; GstFlowReturn ret = GST_FLOW_ERROR; if (buffer->nFilledLen <= 0) { GST_INFO_OBJECT (self, "Received an empty buffer!"); goo_component_release_buffer (self->component, buffer); return; } GST_DEBUG_OBJECT (self, "outcount = %d", self->outcount); out = gst_buffer_new_and_alloc (buffer->nFilledLen); g_assert (out != NULL); memmove (GST_BUFFER_DATA (out), buffer->pBuffer, buffer->nFilledLen); goo_component_release_buffer (self->component, buffer); if (out != NULL) { GST_BUFFER_DURATION (out) = self->duration; GST_BUFFER_OFFSET (out) = self->outcount++; GST_BUFFER_TIMESTAMP (out) = self->ts; if (self->ts != -1) { self->ts += self->duration; } gst_buffer_set_caps (out, GST_PAD_CAPS (self->srcpad)); GST_DEBUG_OBJECT (self, "pushing gst buffer"); ret = gst_pad_push (self->srcpad, out); } GST_INFO_OBJECT (self, ""); return ret; }
static void gst_goo_buffer_finalize (GstGooBuffer* buffer) { g_return_if_fail (buffer != NULL); GST_CAT_LOG (GST_CAT_BUFFER, "GooBuffer released %p", buffer); OMX_BUFFERHEADERTYPE* omx_buffer; GooComponent* component; omx_buffer = buffer->omx_buffer; component = buffer->component; goo_component_release_buffer (component, omx_buffer); g_object_unref (component); gst_caps_replace (&GST_BUFFER_CAPS (buffer), NULL); }
static void omx_output_buffer_cb (GooPort* port, OMX_BUFFERHEADERTYPE* buffer, gpointer data) { g_return_if_fail (buffer->nFlags != OMX_BUFFERFLAG_DATACORRUPT); g_assert (GOO_IS_PORT (port)); g_assert (buffer != NULL); g_assert (GOO_IS_COMPONENT (data)); GooComponent* component = GOO_COMPONENT (data); GstGooEncArmAac* self = GST_GOO_ENCARMAAC ( g_object_get_data (G_OBJECT (data), "gst") ); g_assert (self != NULL); { if (buffer->nFilledLen <= 0) { GST_INFO_OBJECT (self, "Received an empty buffer!"); goo_component_release_buffer (self->component, buffer); } else { process_output_buffer (self, buffer); } if (buffer->nFlags & OMX_BUFFERFLAG_EOS == 0x1 || goo_port_is_eos (port)) { GST_INFO_OBJECT (self, "EOS found in output buffer (%d)", buffer->nFilledLen); goo_component_set_done (self->component); } } GST_DEBUG_OBJECT (self, ""); return; }
static GstFlowReturn gst_goo_encpcm_chain (GstPad* pad, GstBuffer* buffer) { GstGooEncPcm* self = GST_GOO_ENCPCM (gst_pad_get_parent (pad)); guint omxbufsiz = GOO_PORT_GET_DEFINITION (self->inport)->nBufferSize; GstFlowReturn ret; if (self->rate == 0 || self->channels == 0 || self->component->cur_state != OMX_StateExecuting) { goto not_negotiated; } if (goo_port_is_tunneled (self->inport)) { GST_DEBUG_OBJECT (self, "DASF Source"); OMX_BUFFERHEADERTYPE* omxbuf = NULL; omxbuf = goo_port_grab_buffer (self->outport); ret = process_output_buffer (self, omxbuf); return ret; } /* discontinuity clears adapter, FIXME, maybe we can set some * encoder flag to mask the discont. */ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) { gst_goo_adapter_clear (self->adapter); self->ts = 0; } /* take latest timestamp, FIXME timestamp is the one of the * first buffer in the adapter. */ if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) { self->ts = GST_BUFFER_TIMESTAMP (buffer); } ret = GST_FLOW_OK; GST_DEBUG_OBJECT (self, "Pushing a GST buffer to adapter (%d)", GST_BUFFER_SIZE (buffer)); gst_goo_adapter_push (self->adapter, buffer); /* Collect samples until we have enough for an output frame */ while (gst_goo_adapter_available (self->adapter) >= omxbufsiz) { GST_DEBUG_OBJECT (self, "Popping an OMX buffer"); OMX_BUFFERHEADERTYPE* omxbuf; omxbuf = goo_port_grab_buffer (self->inport); gst_goo_adapter_peek (self->adapter, omxbufsiz, omxbuf); omxbuf->nFilledLen = omxbufsiz; gst_goo_adapter_flush (self->adapter, omxbufsiz); goo_component_release_buffer (self->component, omxbuf); } GST_DEBUG_OBJECT (self, ""); return ret; /* ERRORS */ not_negotiated: { GST_ELEMENT_ERROR (self, STREAM, TYPE_NOT_FOUND, (NULL), ("unknown type")); return GST_FLOW_NOT_NEGOTIATED; } }
static GstFlowReturn gst_dasf_src_create (GstAudioSrc *audiosrc, guint64 offset, guint length, GstBuffer **buffer) { GstDasfSrc* self = GST_DASF_SRC (audiosrc); GstBaseAudioSrc *baseaudiosrc = GST_BASE_AUDIO_SRC (self); GstBuffer* gst_buffer = NULL; OMX_BUFFERHEADERTYPE* omx_buffer = NULL; GstDasfSrcPrivate* priv = GST_DASF_SRC_GET_PRIVATE (self); GstGooAudioFilter* me = self->peer_element; GST_DEBUG (""); if (me->component->cur_state != OMX_StateExecuting) { return GST_FLOW_UNEXPECTED; } GST_DEBUG ("goo stuff"); { omx_buffer = goo_port_grab_buffer (me->outport); if (gst_pad_alloc_buffer (GST_BASE_SRC_PAD (self), priv->outcount, omx_buffer->nFilledLen, GST_PAD_CAPS (GST_BASE_SRC_PAD (self)), &gst_buffer) == GST_FLOW_OK) { if (GST_IS_GOO_BUFFER (gst_buffer)) { memcpy (GST_BUFFER_DATA (gst_buffer), omx_buffer->pBuffer, omx_buffer->nFilledLen); goo_component_release_buffer (me->component, omx_buffer); } else { gst_buffer_unref (gst_buffer); gst_buffer = (GstBuffer*) gst_goo_buffer_new (); gst_goo_buffer_set_data (gst_buffer, me->component, omx_buffer); } } else { goto fail; } } GST_DEBUG ("gst stuff"); { GstClock* clock = NULL; GstClockTime timestamp, duration; clock = gst_element_get_clock (GST_ELEMENT (self)); timestamp = gst_clock_get_time (clock); timestamp -= gst_element_get_base_time (GST_ELEMENT (self)); gst_object_unref (clock); GST_BUFFER_TIMESTAMP (gst_buffer) = gst_util_uint64_scale_int (GST_SECOND, priv->outcount, 50); /* Set 20 millisecond duration */ duration = gst_util_uint64_scale_int (GST_SECOND, 1, 50); GST_BUFFER_DURATION (gst_buffer) = duration; GST_BUFFER_OFFSET (gst_buffer) = priv->outcount++; GST_BUFFER_OFFSET_END (gst_buffer) = priv->outcount; gst_buffer_set_caps (gst_buffer, GST_PAD_CAPS (GST_BASE_SRC_PAD (self))); } beach: *buffer = gst_buffer; return GST_FLOW_OK; fail: if (G_LIKELY (*buffer)) { gst_buffer_unref (*buffer); } return GST_FLOW_ERROR; }
static GstFlowReturn gst_goo_filter_chain (GstPad* pad, GstBuffer* buffer) { GST_LOG (""); GstGooFilter* self = GST_GOO_FILTER (gst_pad_get_parent (pad)); GstGooFilterPrivate* priv = GST_GOO_FILTER_GET_PRIVATE (self); GstGooAdapter* adapter = self->adapter; GstFlowReturn ret = GST_FLOW_OK; static OMX_S64 omx_normalize_timestamp; GstClockTime timestamp = GST_BUFFER_TIMESTAMP (buffer); if (priv->incount == 0) { omx_normalize_timestamp = (gint64)timestamp / CONVERSION; } if (goo_port_is_tunneled (self->inport)) { /* shall we send a ghost buffer here ? */ GST_INFO ("port is tunneled"); ret = GST_FLOW_OK; GST_DEBUG_OBJECT (self, "Buffer timestamp: time %" GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer))); GST_DEBUG_OBJECT (self, "Buffer duration: %" GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_DURATION (buffer))); GST_DEBUG_OBJECT (self, "Pushing buffer to next element. Size =%d", GST_BUFFER_SIZE (buffer)); /** FIXME GStreamer should not insert the header. OMX component should take * care of it. Remove this function upon resolution of DR OMAPS00140835 and * OMAPS00140836 **/ priv->outcount++; buffer = gst_goo_filter_insert_header (self, buffer, priv->outcount); gst_buffer_set_caps (buffer, GST_PAD_CAPS (self->srcpad)); gst_pad_push (self->srcpad, buffer); goto done; } if (goo_port_is_eos (self->inport)) { GST_INFO ("port is eos"); ret = GST_FLOW_UNEXPECTED; goto fail; } /** @todo GstGooAdapter! */ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) { gst_goo_adapter_clear (adapter); } if (priv->incount == 0 && goo_component_get_state (self->component) == OMX_StateLoaded) { /** Some filters require header processing, apended to the first buffer **/ buffer = gst_goo_filter_codec_data_processing (self, GST_BUFFER (buffer)); /** Todo: Use the gst_caps_fixatecaps_func to make this cleaner **/ if (!gst_goo_filter_check_fixed_src_caps (self)) return GST_FLOW_NOT_NEGOTIATED; /** Remove gst_goo_filter_check_fixed_src_caps function when fixed **/ g_object_set (self->inport, "buffercount", priv->num_input_buffers, NULL); g_object_set (self->outport, "buffercount", priv->num_output_buffers, NULL); GST_INFO ("going to idle"); goo_component_set_state_idle (self->component); GST_INFO ("going to executing"); goo_component_set_state_executing (self->component); } /** Function to perform post buffering processing **/ buffer = gst_goo_filter_extra_buffer_processing (self, GST_BUFFER (buffer)); gst_goo_adapter_push (adapter, buffer); if (self->component->cur_state != OMX_StateExecuting) { goto done; } int omxbufsiz; if (priv->process_mode == STREAMMODE) omxbufsiz = GOO_PORT_GET_DEFINITION (self->inport)->nBufferSize; else omxbufsiz = GST_BUFFER_SIZE (buffer); while (gst_goo_adapter_available (adapter) >= omxbufsiz && ret == GST_FLOW_OK && omxbufsiz != 0) { GST_DEBUG ("Adapter available =%d omxbufsiz = %d", gst_goo_adapter_available (adapter), omxbufsiz); OMX_BUFFERHEADERTYPE* omx_buffer; omx_buffer = goo_port_grab_buffer (self->inport); GST_DEBUG ("memcpy to buffer %d bytes", omxbufsiz); gst_goo_adapter_peek (adapter, omxbufsiz, omx_buffer); omx_buffer->nFilledLen = omxbufsiz; gst_goo_adapter_flush (adapter, omxbufsiz); /* transfer timestamp to openmax */ { GST_DEBUG_OBJECT (self, "checking timestamp: time %" GST_TIME_FORMAT, GST_TIME_ARGS (timestamp)); if (GST_CLOCK_TIME_IS_VALID (timestamp)) { gint64 buffer_ts = (gint64)timestamp; omx_buffer->nTimeStamp = (OMX_S64)buffer_ts / CONVERSION; omx_buffer->nTimeStamp = omx_buffer->nTimeStamp - omx_normalize_timestamp; } else GST_WARNING_OBJECT (self, "Invalid timestamp!"); } priv->incount++; goo_component_release_buffer (self->component, omx_buffer); ret = GST_FLOW_OK; } if (goo_port_is_tunneled (self->outport)) { /** @todo send a ghost buffer */ GstBuffer *ghost_buffer = (GstBuffer*) gst_ghost_buffer_new (); GST_BUFFER_TIMESTAMP (ghost_buffer) = timestamp; gst_pad_push (self->srcpad, ghost_buffer); } goto done; fail: gst_goo_adapter_clear (adapter); done: gst_object_unref (self); gst_buffer_unref (buffer); return ret; }
static void gst_goo_filter_wait_for_done (GstGooFilter* self) { g_assert (self != NULL); GstGooFilterPrivate* priv = GST_GOO_FILTER_GET_PRIVATE (self); /* flushing the last buffers in adapter */ OMX_BUFFERHEADERTYPE* omx_buffer; OMX_PARAM_PORTDEFINITIONTYPE* param = GOO_PORT_GET_DEFINITION (self->inport); GstGooAdapter* adapter = self->adapter; int omxbufsiz = param->nBufferSize; int avail = gst_goo_adapter_available (adapter); if (goo_port_is_tunneled (self->inport)) { GST_INFO ("Input port is tunneled: Setting done"); goo_component_set_done (self->component); return; } if (avail < omxbufsiz && avail > 0) { GST_INFO ("Marking EOS buffer"); omx_buffer = goo_port_grab_buffer (self->inport); GST_DEBUG ("Peek to buffer %d bytes", avail); gst_goo_adapter_peek (adapter, avail, omx_buffer); omx_buffer->nFilledLen = avail; /* let's send the EOS flag right now */ omx_buffer->nFlags = OMX_BUFFERFLAG_EOS; /** @todo timestamp the buffers */ priv->incount++; goo_component_release_buffer (self->component, omx_buffer); } else if (avail == 0) { GST_DEBUG ("Sending empty buffer with EOS flag in it"); goo_component_send_eos (self->component); } else { /* For some reason the adapter didn't extract all possible buffers */ GST_ERROR ("Adapter algorithm error!"); goo_component_send_eos (self->component); } gst_goo_adapter_clear (adapter); if (goo_port_is_tunneled (self->outport)) { GST_INFO ("Outport is tunneled: Setting done"); goo_component_set_done (self->component); } else { GST_INFO ("Waiting for done signal"); goo_component_wait_for_done (self->component); } return; }
static GstFlowReturn gst_goo_encjpeg_chain (GstPad* pad, GstBuffer* buffer) { GST_LOG (""); GstGooEncJpeg* self = GST_GOO_ENCJPEG (gst_pad_get_parent (pad)); GstGooEncJpegPrivate* priv = GST_GOO_ENCJPEG_GET_PRIVATE (self); GstFlowReturn ret = GST_FLOW_OK; GstGooAdapter* adapter = self->adapter; OMX_BUFFERHEADERTYPE* omx_buffer = NULL; GstClockTime timestamp, duration; guint64 offset, offsetend; GstBuffer* outbuf = NULL; if (goo_port_is_tunneled (self->inport)) { GST_INFO ("Inport is tunneled"); ret = GST_FLOW_OK; priv->incount++; goto process_output; } if (goo_port_is_eos (self->inport)) { GST_INFO ("port is eos"); ret = GST_FLOW_UNEXPECTED; goto fail; } if (self->component->cur_state != OMX_StateExecuting) { goto fail; } /* let's copy the timestamp meta data */ timestamp = GST_BUFFER_TIMESTAMP (buffer); duration = GST_BUFFER_DURATION (buffer); offset = GST_BUFFER_OFFSET (buffer); offsetend = GST_BUFFER_OFFSET_END (buffer); if (GST_IS_GOO_BUFFER (buffer) && goo_port_is_my_buffer (self->inport, GST_GOO_BUFFER (buffer)->omx_buffer)) { GST_INFO ("My own OMX buffer"); priv->incount++; gst_buffer_unref (buffer); /* let's push the buffer to omx */ ret = GST_FLOW_OK; } else if (GST_IS_GOO_BUFFER (buffer) && !goo_port_is_my_buffer (self->inport, GST_GOO_BUFFER (buffer)->omx_buffer)) { GST_INFO ("Other OMX buffer"); if (GST_BUFFER_SIZE (buffer) != priv->omxbufsiz) { GST_ELEMENT_ERROR (self, STREAM, FORMAT, ("Frame is incomplete (%u!=%u)", GST_BUFFER_SIZE (buffer), priv->omxbufsiz), ("Frame is incomplete (%u!=%u)", GST_BUFFER_SIZE (buffer), priv->omxbufsiz)); ret = GST_FLOW_ERROR; } omx_buffer = goo_port_grab_buffer (self->inport); memcpy (omx_buffer->pBuffer, GST_BUFFER_DATA (buffer), priv->omxbufsiz); omx_buffer->nFilledLen = priv->omxbufsiz; priv->incount++; goo_component_release_buffer (self->component, omx_buffer); gst_buffer_unref (buffer); ret = GST_FLOW_OK; } else { if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) { gst_goo_adapter_clear (adapter); } GST_LOG ("size = %d bytes", GST_BUFFER_SIZE (buffer)); gst_goo_adapter_push (adapter, buffer); guint tmp = priv->incount; while (gst_goo_adapter_available (adapter) >= priv->omxbufsiz && ret == GST_FLOW_OK) { GST_DEBUG ("Pushing data to OMX"); OMX_BUFFERHEADERTYPE* omx_buffer; omx_buffer = goo_port_grab_buffer (self->inport); gst_goo_adapter_peek (adapter, priv->omxbufsiz, omx_buffer); omx_buffer->nFilledLen = priv->omxbufsiz; gst_goo_adapter_flush (adapter, priv->omxbufsiz); priv->incount++; goo_component_release_buffer (self->component, omx_buffer); ret = GST_FLOW_OK; } if (tmp == priv->incount) { goto done; } } process_output: if (goo_port_is_tunneled (self->outport)) { outbuf = gst_ghost_buffer_new (); GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_READONLY); GST_BUFFER_DATA (outbuf) = NULL; GST_BUFFER_SIZE (outbuf) = 0; GST_BUFFER_TIMESTAMP (outbuf) = timestamp; GST_BUFFER_DURATION (outbuf) = duration; GST_BUFFER_OFFSET (outbuf) = offset; GST_BUFFER_OFFSET_END (outbuf) = offsetend; gst_buffer_set_caps (outbuf, GST_PAD_CAPS (self->srcpad)); gst_pad_push (self->srcpad, outbuf); goto done; } GST_DEBUG ("Poping out buffer from OMX"); omx_buffer = goo_port_grab_buffer (self->outport); if (omx_buffer->nFilledLen <= 0) { ret = GST_FLOW_ERROR; goto done; } if (gst_pad_alloc_buffer (self->srcpad, priv->outcount, omx_buffer->nFilledLen, GST_PAD_CAPS (self->srcpad), &outbuf) == GST_FLOW_OK) { priv->outcount++; /* if the buffer is a goo buffer of the peer element */ if (GST_IS_GOO_BUFFER (outbuf)) { GST_INFO ("It is a OMX buffer!"); memcpy (GST_GOO_BUFFER (outbuf)->omx_buffer->pBuffer, omx_buffer->pBuffer, omx_buffer->nFilledLen); GST_GOO_BUFFER (outbuf)->omx_buffer->nFilledLen = omx_buffer->nFilledLen; GST_GOO_BUFFER (outbuf)->omx_buffer->nFlags = omx_buffer->nFlags; GST_GOO_BUFFER (outbuf)->omx_buffer->nTimeStamp = GST2OMX_TIMESTAMP (timestamp); goo_component_release_buffer (self->component, omx_buffer); } else { /* @fixme! */ /* we do this because there is a buffer extarbation * when a filesink is used. * Maybe using multiple buffers it could be solved. */ memcpy (GST_BUFFER_DATA (outbuf), omx_buffer->pBuffer, omx_buffer->nFilledLen); goo_component_release_buffer (self->component, omx_buffer); /* gst_buffer_unref (outbuf); */ /* outbuf = GST_BUFFER (gst_goo_buffer_new ()); */ /* gst_goo_buffer_set_data (outbuf, */ /* self->component, */ /* omx_buffer); */ } GST_BUFFER_TIMESTAMP (outbuf) = timestamp; GST_BUFFER_DURATION (outbuf) = duration; GST_BUFFER_OFFSET (outbuf) = offset; GST_BUFFER_OFFSET_END (outbuf) = offsetend; gst_buffer_set_caps (outbuf, GST_PAD_CAPS (self->srcpad)); g_signal_emit (G_OBJECT (self), gst_goo_encjpeg_signals[FRAME_ENCODED], 0); ret = gst_pad_push (self->srcpad, outbuf); if (omx_buffer->nFlags & OMX_BUFFERFLAG_EOS || goo_port_is_eos (self->outport)) { GST_INFO ("EOS flag found in output buffer (%d)", omx_buffer->nFilledLen); goo_component_set_done (self->component); } goto done; } else { ret = GST_FLOW_ERROR; goto done; } fail: gst_buffer_unref (buffer); gst_goo_adapter_clear (adapter); done: gst_object_unref (self); return ret; }