static GstFlowReturn
gst_kate_enc_chain_text (GstKateEnc * ke, GstBuffer * buf)
{
kate_packet kp = { 0 };
int ret = 0;
GstFlowReturn rflow;
GstClockTime start = GST_BUFFER_TIMESTAMP (buf);
GstClockTime stop = GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf);
if (ke->format == GST_KATE_FORMAT_TEXT_PANGO_MARKUP) {
ret = kate_encode_set_markup_type (&ke->k, kate_markup_simple);
} else if (ke->format == GST_KATE_FORMAT_TEXT_UTF8) {
ret = kate_encode_set_markup_type (&ke->k, kate_markup_none);
} else {
return GST_FLOW_ERROR;
}
if (G_UNLIKELY (ret < 0)) {
GST_ELEMENT_ERROR (ke, STREAM, ENCODE, (NULL),
("Failed to set markup type: %s",
gst_kate_util_get_error_message (ret)));
rflow = GST_FLOW_ERROR;
} else {
GstMapInfo info;
gboolean need_unmap = TRUE;
kate_float t0 = start / (double) GST_SECOND;
kate_float t1 = stop / (double) GST_SECOND;
if (!gst_buffer_map (buf, &info, GST_MAP_READ)) {
info.data = NULL;
info.size = 0;
need_unmap = FALSE;
GST_WARNING_OBJECT (buf, "Failed to map buffer");
}
GST_LOG_OBJECT (ke, "Encoding text: %*.*s (%u bytes) from %f to %f",
(int) info.size, (int) info.size, info.data, (int) info.size, t0, t1);
ret = kate_encode_text (&ke->k, t0, t1, (const char *) info.data, info.size,
&kp);
if (G_UNLIKELY (ret < 0)) {
GST_ELEMENT_ERROR (ke, STREAM, ENCODE, (NULL),
("Failed to encode text: %s", gst_kate_util_get_error_message (ret)));
rflow = GST_FLOW_ERROR;
} else {
rflow = gst_kate_enc_chain_push_packet (ke, &kp, start, stop - start + 1);
}
if (need_unmap)
gst_buffer_unmap (buf, &info);
}
return rflow;
}
static GstFlowReturn
gst_kate_enc_chain_text (GstKateEnc * ke, GstBuffer * buf,
const char *mime_type)
{
kate_packet kp;
int ret = 0;
GstFlowReturn rflow;
GstClockTime start = GST_BUFFER_TIMESTAMP (buf);
GstClockTime stop = GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf);
if (!strcmp (mime_type, "text/x-pango-markup")) {
ret = kate_encode_set_markup_type (&ke->k, kate_markup_simple);
} else {
ret = kate_encode_set_markup_type (&ke->k, kate_markup_none);
}
if (G_UNLIKELY (ret < 0)) {
GST_ELEMENT_ERROR (ke, STREAM, ENCODE, (NULL),
("kate_encode_set_markup_type: %d", ret));
rflow = GST_FLOW_ERROR;
} else {
const char *text = (const char *) GST_BUFFER_DATA (buf);
if (text) {
size_t text_len = GST_BUFFER_SIZE (buf);
kate_float t0 = start / (double) GST_SECOND;
kate_float t1 = stop / (double) GST_SECOND;
GST_LOG_OBJECT (ke, "Encoding text: %*.*s (%u bytes) from %f to %f",
(int) text_len, (int) text_len, GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf), t0, t1);
ret = kate_encode_text (&ke->k, t0, t1, text, text_len, &kp);
if (G_UNLIKELY (ret < 0)) {
GST_ELEMENT_ERROR (ke, STREAM, ENCODE, (NULL),
("Failed to encode text: %d", ret));
rflow = GST_FLOW_ERROR;
} else {
rflow =
gst_kate_enc_chain_push_packet (ke, &kp, start, stop - start + 1);
}
} else {
/* FIXME: this should not be an error, we should ignore it and move on */
GST_ELEMENT_ERROR (ke, STREAM, ENCODE, (NULL),
("no text in text packet"));
rflow = GST_FLOW_ERROR;
}
}
return rflow;
}
