/**
* Utility function to handle transferring Gstreamer timestamp to OMX
* timestamp. This function handles discontinuities and timestamp
* renormalization.
*
* @omx_buffer the destination OMX buffer for the timestamp
* @buffer the source Gstreamer buffer for the timestamp
* @normalize should this buffer be the one that we renormalize on
* (iff normalization is required)? (ie. with TI OMX, you should
* only re-normalize on a video buffer)
*/
gboolean
gst_goo_timestamp_gst2omx (
OMX_BUFFERHEADERTYPE* omx_buffer,
GstBuffer* buffer,
gboolean normalize)
{
GstClockTime timestamp = GST_BUFFER_TIMESTAMP (buffer);
if (GST_GOO_UTIL_IS_DISCONT (buffer))
{
needs_normalization = TRUE;
GST_DEBUG ("needs_normalization");
}
if (needs_normalization && normalize)
{
GST_INFO ("Setting OMX_BUFFER_STARTTIME..");
omx_buffer->nFlags |= OMX_BUFFERFLAG_STARTTIME;
omx_normalize_timestamp = GST2OMX_TIMESTAMP ((gint64)timestamp);
needs_normalization = FALSE;
GST_DEBUG ("omx_normalize_timestamp=%lld", omx_normalize_timestamp);
}
/* transfer timestamp to openmax */
if (GST_CLOCK_TIME_IS_VALID (timestamp))
{
omx_buffer->nTimeStamp = GST2OMX_TIMESTAMP ((gint64)timestamp) - omx_normalize_timestamp;
GST_INFO ("OMX timestamp = %lld (%lld - %lld)", omx_buffer->nTimeStamp, GST2OMX_TIMESTAMP ((gint64)timestamp), omx_normalize_timestamp);
return TRUE;
}
else
{
GST_WARNING ("Invalid timestamp!");
return FALSE;
}
}
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;
}
