static GstFlowReturn
gst_type_find_element_chain (GstPad * pad, GstBuffer * buffer)
{
GstTypeFindElement *typefind;
GstFlowReturn res = GST_FLOW_OK;
typefind = GST_TYPE_FIND_ELEMENT (GST_PAD_PARENT (pad));
switch (typefind->mode) {
case MODE_ERROR:
/* we should already have called GST_ELEMENT_ERROR */
return GST_FLOW_ERROR;
case MODE_NORMAL:
gst_buffer_set_caps (buffer, typefind->caps);
return gst_pad_push (typefind->src, buffer);
case MODE_TYPEFIND:{
if (typefind->store)
typefind->store = gst_buffer_join (typefind->store, buffer);
else
typefind->store = buffer;
res = gst_type_find_element_chain_do_typefinding (typefind);
if (typefind->mode == MODE_ERROR)
res = GST_FLOW_ERROR;
break;
}
default:
g_assert_not_reached ();
return GST_FLOW_ERROR;
}
return res;
}
void
gst_vdp_mpeg_frame_add_slice (GstVdpMpegFrame * mpeg_frame, GstBuffer * buf)
{
if (!mpeg_frame->slices)
mpeg_frame->slices = buf;
else
mpeg_frame->slices = gst_buffer_join (mpeg_frame->slices, buf);
mpeg_frame->n_slices++;
}
static GstFlowReturn
gst_rtmp_sink_render (GstBaseSink * bsink, GstBuffer * buf)
{
GstRTMPSink *sink = GST_RTMP_SINK (bsink);
GstBuffer *reffed_buf = NULL;
if (sink->first) {
/* open the connection */
if (!RTMP_IsConnected (sink->rtmp)) {
if (!RTMP_Connect (sink->rtmp, NULL)
|| !RTMP_ConnectStream (sink->rtmp, 0)) {
GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE, (NULL),
("Could not connect to RTMP stream \"%s\" for writing", sink->uri));
RTMP_Free (sink->rtmp);
sink->rtmp = NULL;
g_free (sink->rtmp_uri);
sink->rtmp_uri = NULL;
return GST_FLOW_ERROR;
}
GST_DEBUG_OBJECT (sink, "Opened connection to %s", sink->rtmp_uri);
}
/* FIXME: Parse the first buffer and see if it contains a header plus a packet instead
* of just assuming it's only the header */
GST_LOG_OBJECT (sink, "Caching first buffer of size %d for concatenation",
GST_BUFFER_SIZE (buf));
gst_buffer_replace (&sink->cache, buf);
sink->first = FALSE;
return GST_FLOW_OK;
}
if (sink->cache) {
GST_LOG_OBJECT (sink, "Joining 2nd buffer of size %d to cached buf",
GST_BUFFER_SIZE (buf));
gst_buffer_ref (buf);
reffed_buf = buf = gst_buffer_join (sink->cache, buf);
sink->cache = NULL;
}
GST_LOG_OBJECT (sink, "Sending %d bytes to RTMP server",
GST_BUFFER_SIZE (buf));
if (!RTMP_Write (sink->rtmp,
(char *) GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf))) {
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL), ("Failed to write data"));
if (reffed_buf)
gst_buffer_unref (reffed_buf);
return GST_FLOW_ERROR;
}
if (reffed_buf)
gst_buffer_unref (reffed_buf);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_dtsdec_chain_raw (GstPad * pad, GstBuffer * buf)
{
GstDtsDec *dts;
guint8 *data;
gint size;
gint length, flags, sample_rate, bit_rate, frame_length;
GstFlowReturn result = GST_FLOW_OK;
dts = GST_DTSDEC (GST_PAD_PARENT (pad));
if (dts->cache) {
buf = gst_buffer_join (dts->cache, buf);
dts->cache = NULL;
}
data = GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf);
length = 0;
while (size >= 7) {
length = dts_syncinfo (dts->state, data, &flags,
&sample_rate, &bit_rate, &frame_length);
if (length == 0) {
/* shift window to re-find sync */
data++;
size--;
} else if (length <= size) {
GST_DEBUG ("Sync: frame size %d", length);
result = gst_dtsdec_handle_frame (dts, data, length,
flags, sample_rate, bit_rate);
if (result != GST_FLOW_OK) {
size = 0;
break;
}
size -= length;
data += length;
} else {
GST_LOG ("Not enough data available (needed %d had %d)", length, size);
break;
}
}
/* keep cache */
if (length == 0) {
GST_LOG ("No sync found");
}
if (size > 0) {
dts->cache = gst_buffer_create_sub (buf,
GST_BUFFER_SIZE (buf) - size, size);
}
gst_buffer_unref (buf);
return result;
}
static GstBuffer *
gst_exif_writer_reset_and_get_buffer (GstExifWriter * writer)
{
GstBuffer *header;
GstBuffer *data;
header = gst_byte_writer_reset_and_get_buffer (&writer->tagwriter);
data = gst_byte_writer_reset_and_get_buffer (&writer->datawriter);
return gst_buffer_join (header, data);
}
static GstFlowReturn
gst_y4m_encode_chain (GstPad * pad, GstBuffer * buf)
{
GstY4mEncode *filter = GST_Y4M_ENCODE (GST_PAD_PARENT (pad));
GstBuffer *outbuf;
GstClockTime timestamp;
/* check we got some decent info from caps */
if (filter->width < 0) {
GST_ELEMENT_ERROR ("filter", CORE, NEGOTIATION, (NULL),
("format wasn't negotiated before chain function"));
gst_buffer_unref (buf);
return GST_FLOW_NOT_NEGOTIATED;
}
timestamp = GST_BUFFER_TIMESTAMP (buf);
if (G_UNLIKELY (!filter->header)) {
if (filter->interlaced == TRUE) {
if (GST_BUFFER_FLAG_IS_SET (buf, GST_VIDEO_BUFFER_TFF)) {
filter->top_field_first = TRUE;
} else {
filter->top_field_first = FALSE;
}
}
outbuf = gst_y4m_encode_get_stream_header (filter);
filter->header = TRUE;
outbuf = gst_buffer_join (outbuf, gst_y4m_encode_get_frame_header (filter));
} else {
outbuf = gst_y4m_encode_get_frame_header (filter);
}
/* join with data */
outbuf = gst_buffer_join (outbuf, buf);
/* decorate */
gst_buffer_make_metadata_writable (outbuf);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (filter->srcpad));
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
return gst_pad_push (filter->srcpad, outbuf);
}
static GstFlowReturn
gst_ss_demux_chain (GstPad * pad, GstBuffer * buf)
{
GstSSDemux *demux = GST_SS_DEMUX (gst_pad_get_parent (pad));
if (demux->manifest == NULL)
demux->manifest = buf;
else
demux->manifest = gst_buffer_join (demux->manifest, buf);
gst_object_unref (demux);
return GST_FLOW_OK;
}
static GstFlowReturn on_buffer(GstAppSink *sink, gpointer data) {
Eyrie *e = (Eyrie *) data;
if(e->recbin == NULL || gst_app_sink_is_eos(GST_APP_SINK(e->sink))) {
return GST_FLOW_OK;
}
if(e->buf == NULL) {
e->buf = gst_buffer_new();
}
GstBuffer *tmpbuf;
tmpbuf = gst_app_sink_pull_buffer(GST_APP_SINK(e->sink));
e->mutex->lock();
e->buf = gst_buffer_join(e->buf, tmpbuf);
e->mutex->unlock();
return GST_FLOW_OK;
}
static GstFlowReturn
gst_spc_dec_chain (GstPad * pad, GstBuffer * buffer)
{
GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
if (spc->buf) {
spc->buf = gst_buffer_join (spc->buf, buffer);
} else {
spc->buf = buffer;
}
gst_object_unref (spc);
return GST_FLOW_OK;
}
/* Internal method only. Tries to merge buffers at the head of the queue
* to form a single larger buffer of size 'size'. Only merges buffers that
* where 'gst_buffer_is_span_fast' returns TRUE.
*
* Returns TRUE if it managed to merge anything.
*/
static gboolean
gst_adapter_try_to_merge_up (GstAdapter * adapter, guint size)
{
GstBuffer *cur, *head;
GSList *g;
gboolean ret = FALSE;
g = adapter->buflist;
if (g == NULL)
return FALSE;
head = g->data;
g = g_slist_next (g);
/* How large do we want our head buffer? The requested size, plus whatever's
* been skipped already */
size += adapter->skip;
while (g != NULL && GST_BUFFER_SIZE (head) < size) {
cur = g->data;
if (!gst_buffer_is_span_fast (head, cur))
return ret;
/* Merge the head buffer and the next in line */
GST_LOG_OBJECT (adapter,
"Merging buffers of size %u & %u in search of target %u",
GST_BUFFER_SIZE (head), GST_BUFFER_SIZE (cur), size);
head = gst_buffer_join (head, cur);
ret = TRUE;
/* Delete the front list item, and store our new buffer in the 2nd list
* item */
adapter->buflist = g_slist_delete_link (adapter->buflist, adapter->buflist);
g->data = head;
/* invalidate scan position */
adapter->priv->scan_offset = 0;
adapter->priv->scan_entry = NULL;
g = g_slist_next (g);
}
return ret;
}
static GstFlowReturn
gst_nsfdec_chain (GstPad * pad, GstBuffer * buffer)
{
GstNsfDec *nsfdec;
nsfdec = GST_NSFDEC (gst_pad_get_parent (pad));
/* collect all data, we start doing something when we get an EOS
* event */
if (nsfdec->tune_buffer) {
nsfdec->tune_buffer = gst_buffer_join (nsfdec->tune_buffer, buffer);
} else {
nsfdec->tune_buffer = buffer;
}
gst_object_unref (nsfdec);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_rtmp_sink_render (GstBaseSink * bsink, GstBuffer * buf)
{
GstRTMPSink *sink = GST_RTMP_SINK (bsink);
GstBuffer *reffed_buf = NULL;
if (sink->first) {
/* FIXME: Parse the first buffer and see if it contains a header plus a packet instead
* of just assuming it's only the header */
GST_LOG_OBJECT (sink, "Caching first buffer of size %d for concatenation",
GST_BUFFER_SIZE (buf));
gst_buffer_replace (&sink->cache, buf);
sink->first = FALSE;
return GST_FLOW_OK;
}
if (sink->cache) {
GST_LOG_OBJECT (sink, "Joining 2nd buffer of size %d to cached buf",
GST_BUFFER_SIZE (buf));
gst_buffer_ref (buf);
reffed_buf = buf = gst_buffer_join (sink->cache, buf);
sink->cache = NULL;
}
GST_LOG_OBJECT (sink, "Sending %d bytes to RTMP server",
GST_BUFFER_SIZE (buf));
if (!RTMP_Write (sink->rtmp,
(char *) GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf))) {
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL), ("Failed to write data"));
if (reffed_buf)
gst_buffer_unref (reffed_buf);
return GST_FLOW_ERROR;
}
if (reffed_buf)
gst_buffer_unref (reffed_buf);
return GST_FLOW_OK;
}
static GstFlowReturn
gst_decklink_sink_audiosink_chain (GstPad * pad, GstBuffer * buffer)
{
GstDecklinkSink *decklinksink;
GstFlowReturn ret;
decklinksink = GST_DECKLINK_SINK (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (decklinksink, "chain");
// concatenate both buffers
g_mutex_lock (decklinksink->audio_mutex);
decklinksink->audio_buffer =
gst_buffer_join (decklinksink->audio_buffer, buffer);
g_mutex_unlock (decklinksink->audio_mutex);
// GST_DEBUG("Audio Buffer Size: %d", GST_BUFFER_SIZE (decklinksink->audio_buffer));
gst_object_unref (decklinksink);
ret = GST_FLOW_OK;
return ret;
}
static int
gst_wavpack_enc_push_block (void *id, void *data, int32_t count)
{
GstWavpackEncWriteID *wid = (GstWavpackEncWriteID *) id;
GstWavpackEnc *enc = GST_WAVPACK_ENC (wid->wavpack_enc);
GstFlowReturn *flow;
GstBuffer *buffer;
GstPad *pad;
guchar *block = (guchar *) data;
pad = (wid->correction) ? enc->wvcsrcpad : enc->srcpad;
flow =
(wid->correction) ? &enc->wvcsrcpad_last_return : &enc->
srcpad_last_return;
*flow = gst_pad_alloc_buffer_and_set_caps (pad, GST_BUFFER_OFFSET_NONE,
count, GST_PAD_CAPS (pad), &buffer);
if (*flow != GST_FLOW_OK) {
GST_WARNING_OBJECT (enc, "flow on %s:%s = %s",
GST_DEBUG_PAD_NAME (pad), gst_flow_get_name (*flow));
return FALSE;
}
g_memmove (GST_BUFFER_DATA (buffer), block, count);
if (count > sizeof (WavpackHeader) && memcmp (block, "wvpk", 4) == 0) {
/* if it's a Wavpack block set buffer timestamp and duration, etc */
WavpackHeader wph;
GST_LOG_OBJECT (enc, "got %d bytes of encoded wavpack %sdata",
count, (wid->correction) ? "correction " : "");
gst_wavpack_read_header (&wph, block);
/* Only set when pushing the first buffer again, in that case
* we don't want to delay the buffer or push newsegment events
*/
if (!wid->passthrough) {
/* Only push complete blocks */
if (enc->pending_buffer == NULL) {
enc->pending_buffer = buffer;
enc->pending_offset = wph.block_index;
} else if (enc->pending_offset == wph.block_index) {
enc->pending_buffer = gst_buffer_join (enc->pending_buffer, buffer);
} else {
GST_ERROR ("Got incomplete block, dropping");
gst_buffer_unref (enc->pending_buffer);
enc->pending_buffer = buffer;
enc->pending_offset = wph.block_index;
}
if (!(wph.flags & FINAL_BLOCK))
return TRUE;
buffer = enc->pending_buffer;
enc->pending_buffer = NULL;
enc->pending_offset = 0;
/* if it's the first wavpack block, send a NEW_SEGMENT event */
if (wph.block_index == 0) {
gst_pad_push_event (pad,
gst_event_new_new_segment (FALSE,
1.0, GST_FORMAT_TIME, 0, GST_BUFFER_OFFSET_NONE, 0));
/* save header for later reference, so we can re-send it later on
* EOS with fixed up values for total sample count etc. */
if (enc->first_block == NULL && !wid->correction) {
enc->first_block =
g_memdup (GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
enc->first_block_size = GST_BUFFER_SIZE (buffer);
}
}
}
/* set buffer timestamp, duration, offset, offset_end from
* the wavpack header */
GST_BUFFER_TIMESTAMP (buffer) = enc->timestamp_offset +
gst_util_uint64_scale_int (GST_SECOND, wph.block_index,
enc->samplerate);
GST_BUFFER_DURATION (buffer) =
gst_util_uint64_scale_int (GST_SECOND, wph.block_samples,
enc->samplerate);
GST_BUFFER_OFFSET (buffer) = wph.block_index;
GST_BUFFER_OFFSET_END (buffer) = wph.block_index + wph.block_samples;
} else {
/* if it's something else set no timestamp and duration on the buffer */
GST_DEBUG_OBJECT (enc, "got %d bytes of unknown data", count);
GST_BUFFER_TIMESTAMP (buffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
}
/* push the buffer and forward errors */
GST_DEBUG_OBJECT (enc, "pushing buffer with %d bytes",
GST_BUFFER_SIZE (buffer));
*flow = gst_pad_push (pad, buffer);
if (*flow != GST_FLOW_OK) {
GST_WARNING_OBJECT (enc, "flow on %s:%s = %s",
GST_DEBUG_PAD_NAME (pad), gst_flow_get_name (*flow));
return FALSE;
}
return TRUE;
}
/*
* Test if the parser pushes clean data properly.
*/
void
gst_parser_test_run (GstParserTest * test, GstCaps ** out_caps)
{
buffer_verify_data_s vdata = { 0, 0, 0, NULL, 0, NULL, FALSE };
GstElement *element;
GstBuffer *buffer = NULL;
GstCaps *src_caps;
guint i, j, k;
guint frames = 0, size = 0;
element = setup_element (test->factory, test->sink_template, NULL,
test->src_template, test->src_caps);
/* push some setup headers */
for (j = 0; j < G_N_ELEMENTS (test->headers) && test->headers[j].data; j++) {
buffer = buffer_new (test->headers[j].data, test->headers[j].size);
fail_unless_equals_int (gst_pad_push (srcpad, buffer), GST_FLOW_OK);
}
for (j = 0; j < 3; j++) {
for (i = 0; i < test->series[j].num; i++) {
/* sanity enforcing */
for (k = 0; k < MAX (1, test->series[j].fpb); k++) {
if (!k)
buffer = buffer_new (test->series[j].data, test->series[j].size);
else {
GstCaps *caps = gst_buffer_get_caps (buffer);
buffer = gst_buffer_join (buffer,
buffer_new (test->series[j].data, test->series[j].size));
if (caps) {
gst_buffer_set_caps (buffer, caps);
gst_caps_unref (caps);
}
}
}
fail_unless_equals_int (gst_pad_push (srcpad, buffer), GST_FLOW_OK);
if (j == 0)
vdata.buffers_before_offset_skip++;
else if (j == 1)
vdata.offset_skip_amount += test->series[j].size * test->series[j].fpb;
if (j != 1) {
frames += test->series[j].fpb;
size += test->series[j].size * test->series[j].fpb;
}
}
}
gst_pad_push_event (srcpad, gst_event_new_eos ());
if (G_LIKELY (test->framed))
fail_unless_equals_int (g_list_length (buffers) - test->discard, frames);
/* if all frames are identical, do extended test,
* otherwise only verify total data size */
if (test->series[0].data && (!test->series[2].size ||
(test->series[0].size == test->series[2].size && test->series[2].data
&& !memcmp (test->series[0].data, test->series[2].data,
test->series[0].size)))) {
vdata.data_to_verify = test->series[0].data;
vdata.data_to_verify_size = test->series[0].size;
vdata.caps = test->sink_caps;
vdata.discard = test->discard;
vdata.no_metadata = test->no_metadata;
g_list_foreach (buffers, buffer_verify_data, &vdata);
} else {
guint datasum = 0;
g_list_foreach (buffers, buffer_count_size, &datasum);
size -= test->dropped;
fail_unless_equals_int (datasum, size);
}
src_caps = gst_pad_get_negotiated_caps (sinkpad);
GST_LOG ("output caps: %" GST_PTR_FORMAT, src_caps);
if (test->sink_caps) {
GST_LOG ("%" GST_PTR_FORMAT " = %" GST_PTR_FORMAT " ?", src_caps,
test->sink_caps);
fail_unless (gst_caps_is_equal (src_caps, test->sink_caps));
}
if (out_caps)
*out_caps = src_caps;
else
gst_caps_unref (src_caps);
cleanup_element (element);
}
static GstFlowReturn
gst_icydemux_typefind_or_forward (GstICYDemux * icydemux, GstBuffer * buf)
{
if (icydemux->typefinding) {
GstBuffer *tf_buf;
GstCaps *caps = NULL;
GstTypeFindProbability prob;
/* If we have a content-type from upstream, let's see if we can shortcut
* typefinding */
if (G_UNLIKELY (icydemux->content_type)) {
if (!g_ascii_strcasecmp (icydemux->content_type, "video/nsv")) {
GST_DEBUG ("We have a NSV stream");
caps = gst_caps_new_simple ("video/x-nsv", NULL);
} else {
GST_DEBUG ("Upstream Content-Type isn't supported");
g_free (icydemux->content_type);
icydemux->content_type = NULL;
}
}
if (icydemux->typefind_buf) {
icydemux->typefind_buf = gst_buffer_join (icydemux->typefind_buf, buf);
} else {
icydemux->typefind_buf = buf;
}
/* Only typefind if we haven't already got some caps */
if (caps == NULL) {
caps = gst_type_find_helper_for_buffer (GST_OBJECT (icydemux),
icydemux->typefind_buf, &prob);
if (caps == NULL) {
if (GST_BUFFER_SIZE (icydemux->typefind_buf) < ICY_TYPE_FIND_MAX_SIZE) {
/* Just break for more data */
return GST_FLOW_OK;
}
/* We failed typefind */
GST_ELEMENT_ERROR (icydemux, STREAM, TYPE_NOT_FOUND, (NULL),
("No caps found for contents within an ICY stream"));
gst_buffer_unref (icydemux->typefind_buf);
icydemux->typefind_buf = NULL;
return GST_FLOW_ERROR;
}
}
if (!gst_icydemux_add_srcpad (icydemux, caps)) {
GST_DEBUG_OBJECT (icydemux, "Failed to add srcpad");
gst_caps_unref (caps);
gst_buffer_unref (icydemux->typefind_buf);
icydemux->typefind_buf = NULL;
return GST_FLOW_ERROR;
}
gst_caps_unref (caps);
if (icydemux->cached_events) {
gst_icydemux_send_cached_events (icydemux);
}
if (icydemux->cached_tags) {
gst_icydemux_send_tag_event (icydemux, icydemux->cached_tags);
icydemux->cached_tags = NULL;
}
/* Move onto streaming: call ourselves recursively with the typefind buffer
* to get that forwarded. */
icydemux->typefinding = FALSE;
tf_buf = icydemux->typefind_buf;
icydemux->typefind_buf = NULL;
return gst_icydemux_typefind_or_forward (icydemux, tf_buf);
} else {
if (G_UNLIKELY (icydemux->srcpad == NULL)) {
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
buf = gst_buffer_make_metadata_writable (buf);
gst_buffer_set_caps (buf, icydemux->src_caps);
/* Most things don't care, and it's a pain to track (we should preserve a
* 0 offset on the first buffer though if it's there, for id3demux etc.) */
if (GST_BUFFER_OFFSET (buf) != 0) {
GST_BUFFER_OFFSET (buf) = GST_BUFFER_OFFSET_NONE;
}
return gst_pad_push (icydemux->srcpad, buf);
}
}
/*
* description : convert input 3gpp buffer to nalu based buffer
* params : @self : GstOmxH264Dec, @buf: buffer to be converted
* return : none
* comments : none
*/
static void
convert_frame (GstOmxH264Dec *self, GstBuffer **buf)
{
OMX_U8 frameType;
OMX_U32 nalSize = 0;
OMX_U32 cumulSize = 0;
OMX_U32 offset = 0;
OMX_U32 nalHeaderSize = 0;
OMX_U32 outSize = 0;
OMX_U8 *frame_3gpp = GST_BUFFER_DATA(*buf);
OMX_U32 frame_3gpp_size = GST_BUFFER_SIZE(*buf);
GstBuffer *nalu_next_buf = NULL;
GstBuffer *nalu_buf = NULL;
do {
/* get NAL Length based on length of length*/
if (self->h264NalLengthSize == 1) {
nalSize = frame_3gpp[0];
} else if (self->h264NalLengthSize == 2) {
nalSize = GSTOMX_H264_RB16(frame_3gpp);
} else {
nalSize = GSTOMX_H264_RB32(frame_3gpp);
}
GST_LOG_OBJECT(self, "packetized frame size = %d", nalSize);
frame_3gpp += self->h264NalLengthSize;
/* Checking frame type */
frameType = *frame_3gpp & 0x1f;
switch (frameType)
{
case GSTOMX_H264_NUT_SLICE:
GST_LOG_OBJECT(self, "Frame is non-IDR frame...");
break;
case GSTOMX_H264_NUT_IDR:
GST_LOG_OBJECT(self, "Frame is an IDR frame...");
break;
case GSTOMX_H264_NUT_SEI:
GST_LOG_OBJECT(self, "Found SEI Data...");
break;
case GSTOMX_H264_NUT_SPS:
GST_LOG_OBJECT(self, "Found SPS data...");
break;
case GSTOMX_H264_NUT_PPS:
GST_LOG_OBJECT(self, "Found PPS data...");
break;
case GSTOMX_H264_NUT_EOSEQ:
GST_LOG_OBJECT(self, "End of sequence...");
break;
case GSTOMX_H264_NUT_EOSTREAM:
GST_LOG_OBJECT(self, "End of stream...");
break;
case GSTOMX_H264_NUT_DPA:
case GSTOMX_H264_NUT_DPB:
case GSTOMX_H264_NUT_DPC:
case GSTOMX_H264_NUT_AUD:
case GSTOMX_H264_NUT_FILL:
case GSTOMX_H264_NUT_MIXED:
break;
default:
GST_INFO_OBJECT(self, "Unknown Frame type: %d\n", frameType);
goto EXIT;
}
/* if nal size is same, we can change only start code */
if((nalSize + GSTOMX_H264_NAL_START_LEN) == frame_3gpp_size) {
GST_LOG_OBJECT(self, "only change start code");
GSTOMX_H264_WB32(GST_BUFFER_DATA(*buf), 1);
return;
}
/* Convert 3GPP Frame to NALU Frame */
offset = outSize;
nalHeaderSize = offset ? 3 : 4;
outSize += nalSize + nalHeaderSize;
if ((nalSize > frame_3gpp_size)||(outSize < 0)) {
GST_ERROR_OBJECT(self, "out of bounds Error. frame_nalu_size=%d", outSize);
goto EXIT;
}
if (nalu_buf) {
nalu_next_buf= gst_buffer_new_and_alloc(nalSize + nalHeaderSize);
if (nalu_next_buf == NULL) {
GST_ERROR_OBJECT(self, "gst_buffer_new_and_alloc failed.(nalu_next_buf)");
goto EXIT;
}
} else {
nalu_buf = gst_buffer_new_and_alloc(outSize);
}
if (nalu_buf == NULL) {
GST_ERROR_OBJECT(self, "gst_buffer_new_and_alloc failed.(nalu_buf)");
goto EXIT;
}
if (!offset) {
memcpy(GST_BUFFER_DATA(nalu_buf)+nalHeaderSize, frame_3gpp, nalSize);
GSTOMX_H264_WB32(GST_BUFFER_DATA(nalu_buf), 1);
} else {
if (nalu_next_buf) {
GstBuffer *nalu_joined_buf = gst_buffer_join(nalu_buf,nalu_next_buf);
nalu_buf = nalu_joined_buf;
nalu_next_buf = NULL;
}
memcpy(GST_BUFFER_DATA(nalu_buf)+nalHeaderSize+offset, frame_3gpp, nalSize);
(GST_BUFFER_DATA(nalu_buf)+offset)[0] = (GST_BUFFER_DATA(nalu_buf)+offset)[1] = 0;
(GST_BUFFER_DATA(nalu_buf)+offset)[2] = 1;
}
frame_3gpp += nalSize;
cumulSize += nalSize + self->h264NalLengthSize;
GST_LOG_OBJECT(self, "frame_3gpp_size = %d => frame_nalu_size=%d", frame_3gpp_size, outSize);
} while (cumulSize < frame_3gpp_size);
gst_buffer_copy_metadata(nalu_buf, *buf, GST_BUFFER_COPY_ALL);
if (*buf) { gst_buffer_unref (*buf); }
*buf = nalu_buf;
return;
EXIT:
if (nalu_buf) { gst_buffer_unref (nalu_buf); }
GST_ERROR_OBJECT(self, "converting frame error.");
return;
}
static GstFlowReturn
gst_rtp_asf_pay_handle_buffer (GstBaseRTPPayload * rtppay, GstBuffer * buffer)
{
GstRtpAsfPay *rtpasfpay = GST_RTP_ASF_PAY_CAST (rtppay);
if (G_UNLIKELY (rtpasfpay->state == ASF_END)) {
GST_LOG_OBJECT (rtpasfpay,
"Dropping buffer as we already pushed all packets");
gst_buffer_unref (buffer);
return GST_FLOW_UNEXPECTED; /* we already finished our job */
}
/* receive headers
* we only accept if they are in a single buffer */
if (G_UNLIKELY (rtpasfpay->state == ASF_NOT_STARTED)) {
guint64 header_size;
if (GST_BUFFER_SIZE (buffer) < 24) { /* guid+object size size */
GST_ERROR_OBJECT (rtpasfpay,
"Buffer too small, smaller than a Guid and object size");
gst_buffer_unref (buffer);
return GST_FLOW_ERROR;
}
header_size = gst_asf_match_and_peek_obj_size (GST_BUFFER_DATA (buffer),
&(guids[ASF_HEADER_OBJECT_INDEX]));
if (header_size > 0) {
GST_DEBUG_OBJECT (rtpasfpay, "ASF header guid received, size %"
G_GUINT64_FORMAT, header_size);
if (GST_BUFFER_SIZE (buffer) < header_size) {
GST_ERROR_OBJECT (rtpasfpay, "Headers should be contained in a single"
" buffer");
gst_buffer_unref (buffer);
return GST_FLOW_ERROR;
} else {
rtpasfpay->state = ASF_DATA_OBJECT;
/* clear previous headers, if any */
if (rtpasfpay->headers) {
gst_buffer_unref (rtpasfpay->headers);
}
GST_DEBUG_OBJECT (rtpasfpay, "Storing headers");
if (GST_BUFFER_SIZE (buffer) == header_size) {
rtpasfpay->headers = buffer;
return GST_FLOW_OK;
} else {
/* headers are a subbuffer of thie buffer */
GstBuffer *aux = gst_buffer_create_sub (buffer, header_size,
GST_BUFFER_SIZE (buffer) - header_size);
rtpasfpay->headers = gst_buffer_create_sub (buffer, 0, header_size);
gst_buffer_replace (&buffer, aux);
}
}
} else {
GST_ERROR_OBJECT (rtpasfpay, "Missing ASF header start");
gst_buffer_unref (buffer);
return GST_FLOW_ERROR;
}
}
if (G_UNLIKELY (rtpasfpay->state == ASF_DATA_OBJECT)) {
if (GST_BUFFER_SIZE (buffer) != ASF_DATA_OBJECT_SIZE) {
GST_ERROR_OBJECT (rtpasfpay, "Received buffer of different size of "
"the data object header");
gst_buffer_unref (buffer);
return GST_FLOW_ERROR;
}
if (gst_asf_match_guid (GST_BUFFER_DATA (buffer),
&(guids[ASF_DATA_OBJECT_INDEX]))) {
GST_DEBUG_OBJECT (rtpasfpay, "Received data object header");
rtpasfpay->headers = gst_buffer_join (rtpasfpay->headers, buffer);
rtpasfpay->state = ASF_PACKETS;
return gst_rtp_asf_pay_parse_headers (rtpasfpay);
} else {
GST_ERROR_OBJECT (rtpasfpay, "Unexpected object received (was expecting "
"data object)");
gst_buffer_unref (buffer);
return GST_FLOW_ERROR;
}
}
if (G_LIKELY (rtpasfpay->state == ASF_PACKETS)) {
/* in broadcast mode we can't trust the packets count information
* from the headers
* We assume that if this is on broadcast mode it is a live stream
* and we are going to keep receiving packets indefinitely
*/
if (rtpasfpay->asfinfo.broadcast ||
rtpasfpay->packets_count < rtpasfpay->asfinfo.packets_count) {
GST_DEBUG_OBJECT (rtpasfpay, "Received packet %"
G_GUINT64_FORMAT "/%" G_GUINT64_FORMAT,
rtpasfpay->packets_count, rtpasfpay->asfinfo.packets_count);
rtpasfpay->packets_count++;
return gst_rtp_asf_pay_handle_packet (rtpasfpay, buffer);
} else {
GST_INFO_OBJECT (rtpasfpay, "Packets ended");
rtpasfpay->state = ASF_END;
gst_buffer_unref (buffer);
return GST_FLOW_UNEXPECTED;
}
}
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
static gboolean
gst_asf_demux_parse_payload (GstASFDemux * demux, AsfPacket * packet,
gint lentype, const guint8 ** p_data, guint * p_size)
{
AsfPayload payload = { 0, };
AsfStream *stream;
gboolean is_compressed;
guint payload_len;
guint stream_num;
if (G_UNLIKELY (*p_size < 1)) {
GST_WARNING_OBJECT (demux, "Short packet!");
return FALSE;
}
stream_num = GST_READ_UINT8 (*p_data) & 0x7f;
payload.keyframe = ((GST_READ_UINT8 (*p_data) & 0x80) != 0);
*p_data += 1;
*p_size -= 1;
payload.ts = GST_CLOCK_TIME_NONE;
payload.duration = GST_CLOCK_TIME_NONE;
payload.par_x = 0;
payload.par_y = 0;
payload.interlaced = FALSE;
payload.tff = FALSE;
payload.rff = FALSE;
payload.mo_number =
asf_packet_read_varlen_int (packet->prop_flags, 4, p_data, p_size);
payload.mo_offset =
asf_packet_read_varlen_int (packet->prop_flags, 2, p_data, p_size);
payload.rep_data_len =
asf_packet_read_varlen_int (packet->prop_flags, 0, p_data, p_size);
is_compressed = (payload.rep_data_len == 1);
GST_LOG_OBJECT (demux, "payload for stream %u", stream_num);
GST_LOG_OBJECT (demux, "keyframe : %s", (payload.keyframe) ? "yes" : "no");
GST_LOG_OBJECT (demux, "compressed : %s", (is_compressed) ? "yes" : "no");
if (G_UNLIKELY (*p_size < payload.rep_data_len)) {
GST_WARNING_OBJECT (demux, "Short packet! rep_data_len=%u, size=%u",
payload.rep_data_len, *p_size);
return FALSE;
}
memcpy (payload.rep_data, *p_data,
MIN (sizeof (payload.rep_data), payload.rep_data_len));
*p_data += payload.rep_data_len;
*p_size -= payload.rep_data_len;
if (G_UNLIKELY (*p_size == 0)) {
GST_WARNING_OBJECT (demux, "payload without data!?");
return FALSE;
}
/* we use -1 as lentype for a single payload that's the size of the packet */
if (G_UNLIKELY ((lentype >= 0 && lentype <= 3))) {
payload_len = asf_packet_read_varlen_int (lentype, 0, p_data, p_size);
if (*p_size < payload_len) {
GST_WARNING_OBJECT (demux, "Short packet! payload_len=%u, size=%u",
payload_len, *p_size);
return FALSE;
}
} else {
payload_len = *p_size;
}
GST_LOG_OBJECT (demux, "payload length: %u", payload_len);
stream = gst_asf_demux_get_stream (demux, stream_num);
if (G_UNLIKELY (stream == NULL)) {
GST_WARNING_OBJECT (demux, "Payload for unknown stream %u, skipping",
stream_num);
if (*p_size < payload_len) {
*p_data += *p_size;
*p_size = 0;
} else {
*p_data += payload_len;
*p_size -= payload_len;
}
return TRUE;
}
if (G_UNLIKELY (!is_compressed)) {
GST_LOG_OBJECT (demux, "replicated data length: %u", payload.rep_data_len);
if (payload.rep_data_len >= 8) {
payload.mo_size = GST_READ_UINT32_LE (payload.rep_data);
payload.ts = GST_READ_UINT32_LE (payload.rep_data + 4) * GST_MSECOND;
if (G_UNLIKELY (payload.ts < demux->preroll))
payload.ts = 0;
else
payload.ts -= demux->preroll;
asf_payload_parse_replicated_data_extensions (stream, &payload);
GST_LOG_OBJECT (demux, "media object size : %u", payload.mo_size);
GST_LOG_OBJECT (demux, "media object ts : %" GST_TIME_FORMAT,
GST_TIME_ARGS (payload.ts));
GST_LOG_OBJECT (demux, "media object dur : %" GST_TIME_FORMAT,
GST_TIME_ARGS (payload.duration));
} else if (payload.rep_data_len != 0) {
GST_WARNING_OBJECT (demux, "invalid replicated data length, very bad");
*p_data += payload_len;
*p_size -= payload_len;
return FALSE;
}
GST_LOG_OBJECT (demux, "media object offset : %u", payload.mo_offset);
GST_LOG_OBJECT (demux, "payload length: %u", payload_len);
if ((stream = gst_asf_demux_get_stream (demux, stream_num))
&& payload_len) {
payload.buf = asf_packet_create_payload_buffer (packet, p_data, p_size,
payload_len);
/* n-th fragment of a fragmented media object? */
if (payload.mo_offset != 0) {
AsfPayload *prev;
if ((prev = asf_payload_find_previous_fragment (&payload, stream))) {
if (payload.mo_offset != GST_BUFFER_SIZE (prev->buf)) {
GST_WARNING_OBJECT (demux, "Offset doesn't match previous data?!");
}
/* note: buffer join/merge might not preserve buffer flags */
prev->buf = gst_buffer_join (prev->buf, payload.buf);
GST_LOG_OBJECT (demux, "Merged fragments, merged size: %u",
GST_BUFFER_SIZE (prev->buf));
} else {
gst_buffer_unref (payload.buf);
}
payload.buf = NULL;
} else {
gst_asf_payload_queue_for_stream (demux, &payload, stream);
}
}
} else {
const guint8 *payload_data;
GstClockTime ts, ts_delta;
guint num;
GST_LOG_OBJECT (demux, "Compressed payload, length=%u", payload_len);
payload_data = *p_data;
*p_data += payload_len;
*p_size -= payload_len;
ts = payload.mo_offset * GST_MSECOND;
if (G_UNLIKELY (ts < demux->preroll))
ts = 0;
else
ts -= demux->preroll;
ts_delta = payload.rep_data[0] * GST_MSECOND;
for (num = 0; payload_len > 0; ++num) {
guint sub_payload_len;
sub_payload_len = GST_READ_UINT8 (payload_data);
GST_LOG_OBJECT (demux, "subpayload #%u: len=%u, ts=%" GST_TIME_FORMAT,
num, sub_payload_len, GST_TIME_ARGS (ts));
++payload_data;
--payload_len;
if (G_UNLIKELY (payload_len < sub_payload_len)) {
GST_WARNING_OBJECT (demux, "Short payload! %u bytes left", payload_len);
return FALSE;
}
if (G_LIKELY (sub_payload_len > 0)) {
payload.buf = asf_packet_create_payload_buffer (packet,
&payload_data, &payload_len, sub_payload_len);
payload.ts = ts;
if (G_LIKELY (ts_delta))
payload.duration = ts_delta;
else
payload.duration = GST_CLOCK_TIME_NONE;
gst_asf_payload_queue_for_stream (demux, &payload, stream);
}
ts += ts_delta;
}
}
return TRUE;
}
static GstFlowReturn
gst_wavpack_parse_push_buffer (GstWavpackParse * wvparse, GstBuffer * buf,
WavpackHeader * header)
{
wvparse->current_offset += header->ckSize + 8;
wvparse->segment.last_stop = header->block_index;
if (wvparse->need_newsegment) {
if (gst_wavpack_parse_send_newsegment (wvparse, FALSE))
wvparse->need_newsegment = FALSE;
}
/* send any queued events */
if (wvparse->queued_events) {
GList *l;
for (l = wvparse->queued_events; l != NULL; l = l->next) {
gst_pad_push_event (wvparse->srcpad, GST_EVENT (l->data));
}
g_list_free (wvparse->queued_events);
wvparse->queued_events = NULL;
}
if (wvparse->pending_buffer == NULL) {
wvparse->pending_buffer = buf;
wvparse->pending_offset = header->block_index;
} else if (wvparse->pending_offset == header->block_index) {
wvparse->pending_buffer = gst_buffer_join (wvparse->pending_buffer, buf);
} else {
GST_ERROR ("Got incomplete block, dropping");
gst_buffer_unref (wvparse->pending_buffer);
wvparse->pending_buffer = buf;
wvparse->pending_offset = header->block_index;
}
if (!(header->flags & FINAL_BLOCK))
return GST_FLOW_OK;
buf = wvparse->pending_buffer;
wvparse->pending_buffer = NULL;
GST_BUFFER_TIMESTAMP (buf) = gst_util_uint64_scale_int (header->block_index,
GST_SECOND, wvparse->samplerate);
GST_BUFFER_DURATION (buf) = gst_util_uint64_scale_int (header->block_samples,
GST_SECOND, wvparse->samplerate);
GST_BUFFER_OFFSET (buf) = header->block_index;
GST_BUFFER_OFFSET_END (buf) = header->block_index + header->block_samples;
if (wvparse->discont || wvparse->next_block_index != header->block_index) {
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
wvparse->discont = FALSE;
}
wvparse->next_block_index = header->block_index + header->block_samples;
gst_buffer_set_caps (buf, GST_PAD_CAPS (wvparse->srcpad));
GST_LOG_OBJECT (wvparse, "Pushing buffer with time %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
return gst_pad_push (wvparse->srcpad, buf);
}
static GstFlowReturn
gst_a52dec_chain_raw (GstPad * pad, GstBuffer * buf)
{
GstA52Dec *a52dec;
guint8 *data;
guint size;
gint length = 0, flags, sample_rate, bit_rate;
GstFlowReturn result = GST_FLOW_OK;
a52dec = GST_A52DEC (GST_PAD_PARENT (pad));
if (!a52dec->sent_segment) {
GstSegment segment;
/* Create a basic segment. Usually, we'll get a new-segment sent by
* another element that will know more information (a demuxer). If we're
* just looking at a raw AC3 stream, we won't - so we need to send one
* here, but we don't know much info, so just send a minimal TIME
* new-segment event
*/
gst_segment_init (&segment, GST_FORMAT_TIME);
gst_pad_push_event (a52dec->srcpad, gst_event_new_new_segment (FALSE,
segment.rate, segment.format, segment.start,
segment.duration, segment.start));
a52dec->sent_segment = TRUE;
}
/* merge with cache, if any. Also make sure timestamps match */
if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
a52dec->time = GST_BUFFER_TIMESTAMP (buf);
GST_DEBUG_OBJECT (a52dec,
"Received buffer with ts %" GST_TIME_FORMAT " duration %"
GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
}
if (a52dec->cache) {
buf = gst_buffer_join (a52dec->cache, buf);
a52dec->cache = NULL;
}
data = GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf);
/* find and read header */
bit_rate = a52dec->bit_rate;
sample_rate = a52dec->sample_rate;
flags = 0;
while (size >= 7) {
length = a52_syncinfo (data, &flags, &sample_rate, &bit_rate);
if (length == 0) {
/* no sync */
data++;
size--;
} else if (length <= size) {
GST_DEBUG ("Sync: %d", length);
if (flags != a52dec->prev_flags)
a52dec->flag_update = TRUE;
a52dec->prev_flags = flags;
result = gst_a52dec_handle_frame (a52dec, data,
length, flags, sample_rate, bit_rate);
if (result != GST_FLOW_OK) {
size = 0;
break;
}
size -= length;
data += length;
} else {
/* not enough data */
GST_LOG ("Not enough data available");
break;
}
}
/* keep cache */
if (length == 0) {
GST_LOG ("No sync found");
}
if (size > 0) {
a52dec->cache = gst_buffer_create_sub (buf,
GST_BUFFER_SIZE (buf) - size, size);
}
gst_buffer_unref (buf);
return result;
}