static GstFlowReturn
gst_flac_dec_handle_frame (GstAudioDecoder * audio_dec, GstBuffer * buf)
{
GstFlacDec *dec;
dec = GST_FLAC_DEC (audio_dec);
/* drain remaining data? */
if (G_UNLIKELY (buf == NULL)) {
gst_flac_dec_flush (audio_dec, FALSE);
return GST_FLOW_OK;
}
GST_LOG_OBJECT (dec, "frame: ts %" GST_TIME_FORMAT ", flags 0x%04x, "
"%" G_GSIZE_FORMAT " bytes", GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_BUFFER_FLAGS (buf), gst_buffer_get_size (buf));
/* drop any in-stream headers, we've processed those in set_format already */
if (G_UNLIKELY (!dec->got_headers)) {
gboolean got_audio_frame;
GstMapInfo map;
/* check if this is a flac audio frame (rather than a header or junk) */
gst_buffer_map (buf, &map, GST_MAP_READ);
got_audio_frame =
gst_flac_dec_scan_got_frame (dec, map.data, map.size, NULL);
gst_buffer_unmap (buf, &map);
if (!got_audio_frame) {
GST_INFO_OBJECT (dec, "dropping in-stream header, %" G_GSIZE_FORMAT " "
"bytes", map.size);
gst_audio_decoder_finish_frame (audio_dec, NULL, 1);
return GST_FLOW_OK;
}
GST_INFO_OBJECT (dec, "first audio frame, got all in-stream headers now");
dec->got_headers = TRUE;
}
gst_adapter_push (dec->adapter, gst_buffer_ref (buf));
buf = NULL;
dec->last_flow = GST_FLOW_OK;
/* framed - there should always be enough data to decode something */
GST_LOG_OBJECT (dec, "%" G_GSIZE_FORMAT " bytes available",
gst_adapter_available (dec->adapter));
if (!FLAC__stream_decoder_process_single (dec->decoder)) {
GST_INFO_OBJECT (dec, "process_single failed");
}
return dec->last_flow;
}
static GstFlowReturn
theora_parse_drain_queue_prematurely (GstTheoraParse * parse)
{
GstFlowReturn ret = GST_FLOW_OK;
/* got an EOS event, make sure to push out any buffers that were in the queue
* -- won't normally be the case, but this catches the
* didn't-get-a-granulepos-on-the-last-packet case. Assuming a continuous
* stream. */
GST_DEBUG_OBJECT (parse, "got EOS, draining queue");
/* if we get an eos before pushing the streamheaders, drain our events before
* eos */
theora_parse_drain_event_queue (parse);
while (!g_queue_is_empty (parse->buffer_queue)) {
GstBuffer *buf;
buf = GST_BUFFER_CAST (g_queue_pop_head (parse->buffer_queue));
parse->prev_frame++;
if (is_keyframe (buf))
/* we have a keyframe */
parse->prev_keyframe = parse->prev_frame;
else
GST_BUFFER_FLAGS (buf) |= GST_BUFFER_FLAG_DELTA_UNIT;
if (parse->prev_keyframe < 0) {
if (GST_BUFFER_OFFSET_END_IS_VALID (buf)) {
parse_granulepos (parse, GST_BUFFER_OFFSET_END (buf),
&parse->prev_keyframe, NULL);
} else {
/* No previous keyframe known; can't extract one from this frame. That
* means we can't do any valid output for this frame, just continue to
* the next frame.
*/
gst_buffer_unref (buf);
continue;
}
}
ret = theora_parse_push_buffer (parse, buf, parse->prev_keyframe,
parse->prev_frame);
if (ret != GST_FLOW_OK)
goto done;
}
done:
return ret;
}
static void
default_reset_buffer (GstBufferPool * pool, GstBuffer * buffer)
{
GST_BUFFER_FLAGS (buffer) = 0;
GST_BUFFER_PTS (buffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_DTS (buffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET (buffer) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (buffer) = GST_BUFFER_OFFSET_NONE;
/* remove all metadata without the POOLED flag */
gst_buffer_foreach_meta (buffer, remove_meta_unpooled, pool);
}
static void
gst_identity_update_last_message_for_buffer (GstIdentity * identity,
const gchar * action, GstBuffer * buf, gsize size)
{
gchar dts_str[64], pts_str[64], dur_str[64];
gchar flag_str[100];
GST_OBJECT_LOCK (identity);
{
const char *flag_list[] = {
"", "", "", "", "live", "decode-only", "discont", "resync", "corrupted",
"marker", "header", "gap", "droppable", "delta-unit", "tag-memory",
"FIXME"
};
int i;
char *end = flag_str;
end[0] = '\0';
for (i = 0; i < G_N_ELEMENTS (flag_list); i++) {
if (GST_MINI_OBJECT_CAST (buf)->flags & (1 << i)) {
strcpy (end, flag_list[i]);
end += strlen (end);
end[0] = ' ';
end[1] = '\0';
end++;
}
}
}
g_free (identity->last_message);
identity->last_message = g_strdup_printf ("%s ******* (%s:%s) "
"(%" G_GSIZE_FORMAT " bytes, dts: %s, pts:%s, duration: %s, offset: %"
G_GINT64_FORMAT ", " "offset_end: % " G_GINT64_FORMAT
", flags: %08x %s) %p", action,
GST_DEBUG_PAD_NAME (GST_BASE_TRANSFORM_CAST (identity)->sinkpad), size,
print_pretty_time (dts_str, sizeof (dts_str), GST_BUFFER_DTS (buf)),
print_pretty_time (pts_str, sizeof (pts_str), GST_BUFFER_PTS (buf)),
print_pretty_time (dur_str, sizeof (dur_str), GST_BUFFER_DURATION (buf)),
GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf),
GST_BUFFER_FLAGS (buf), flag_str, buf);
GST_OBJECT_UNLOCK (identity);
gst_identity_notify_last_message (identity);
}
static void
do_buffer_stats (GstStatsTracer * self, GstPad * this_pad,
GstPadStats * this_pad_stats, GstPad * that_pad,
GstPadStats * that_pad_stats, GstBuffer * buf, GstClockTime elapsed)
{
GstElement *this_elem = get_real_pad_parent (this_pad);
GstElementStats *this_elem_stats = get_element_stats (self, this_elem);
GstElement *that_elem = get_real_pad_parent (that_pad);
GstElementStats *that_elem_stats = get_element_stats (self, that_elem);
GstClockTime pts = GST_BUFFER_PTS (buf);
GstClockTime dts = GST_BUFFER_DTS (buf);
GstClockTime dur = GST_BUFFER_DURATION (buf);
gst_tracer_record_log (tr_buffer, (guint64) (guintptr) g_thread_self (),
elapsed, this_pad_stats->index, this_elem_stats->index,
that_pad_stats->index, that_elem_stats->index, gst_buffer_get_size (buf),
GST_CLOCK_TIME_IS_VALID (pts), pts, GST_CLOCK_TIME_IS_VALID (dts), dts,
GST_CLOCK_TIME_IS_VALID (dur), dur, GST_BUFFER_FLAGS (buf));
}
static void
gst_identity_update_last_message_for_buffer (GstIdentity * identity,
const gchar * action, GstBuffer * buf)
{
gchar ts_str[64], dur_str[64];
GST_OBJECT_LOCK (identity);
g_free (identity->last_message);
identity->last_message = g_strdup_printf ("%s ******* (%s:%s)i "
"(%u bytes, timestamp: %s, duration: %s, offset: %" G_GINT64_FORMAT ", "
"offset_end: % " G_GINT64_FORMAT ", flags: %d) %p", action,
GST_DEBUG_PAD_NAME (GST_BASE_TRANSFORM_CAST (identity)->sinkpad),
GST_BUFFER_SIZE (buf),
print_pretty_time (ts_str, sizeof (ts_str), GST_BUFFER_TIMESTAMP (buf)),
print_pretty_time (dur_str, sizeof (dur_str), GST_BUFFER_DURATION (buf)),
GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf),
GST_BUFFER_FLAGS (buf), buf);
GST_OBJECT_UNLOCK (identity);
gst_identity_notify_last_message (identity);
}
static void
gst_compare_meta (GstCompare * comp, GstBuffer * buf1, GstCaps * caps1,
GstBuffer * buf2, GstCaps * caps2)
{
gint flags = 0;
if (comp->meta & GST_BUFFER_COPY_FLAGS) {
if (GST_BUFFER_FLAGS (buf1) != GST_BUFFER_FLAGS (buf2)) {
flags |= GST_BUFFER_COPY_FLAGS;
GST_DEBUG_OBJECT (comp, "flags %d != flags %d", GST_BUFFER_FLAGS (buf1),
GST_BUFFER_FLAGS (buf2));
}
}
if (comp->meta & GST_BUFFER_COPY_TIMESTAMPS) {
if (GST_BUFFER_TIMESTAMP (buf1) != GST_BUFFER_TIMESTAMP (buf2)) {
flags |= GST_BUFFER_COPY_TIMESTAMPS;
GST_DEBUG_OBJECT (comp,
"ts %" GST_TIME_FORMAT " != ts %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf1)),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf2)));
}
if (GST_BUFFER_DURATION (buf1) != GST_BUFFER_DURATION (buf2)) {
flags |= GST_BUFFER_COPY_TIMESTAMPS;
GST_DEBUG_OBJECT (comp,
"dur %" GST_TIME_FORMAT " != dur %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_DURATION (buf1)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf2)));
}
if (comp->offset_ts) {
if (GST_BUFFER_OFFSET (buf1) != GST_BUFFER_OFFSET (buf2)) {
flags |= GST_BUFFER_COPY_TIMESTAMPS;
GST_DEBUG_OBJECT (comp,
"offset %" G_GINT64_FORMAT " != offset %" G_GINT64_FORMAT,
GST_BUFFER_OFFSET (buf1), GST_BUFFER_OFFSET (buf2));
}
if (GST_BUFFER_OFFSET_END (buf1) != GST_BUFFER_OFFSET_END (buf2)) {
flags |= GST_BUFFER_COPY_TIMESTAMPS;
GST_DEBUG_OBJECT (comp,
"offset_end %" G_GINT64_FORMAT " != offset_end %" G_GINT64_FORMAT,
GST_BUFFER_OFFSET_END (buf1), GST_BUFFER_OFFSET_END (buf2));
}
}
}
#if 0
/* FIXME ?? */
if (comp->meta & GST_BUFFER_COPY_CAPS) {
if (!gst_caps_is_equal (caps1, caps2)) {
flags |= GST_BUFFER_COPY_CAPS;
GST_DEBUG_OBJECT (comp,
"caps %" GST_PTR_FORMAT " != caps %" GST_PTR_FORMAT, caps1, caps2);
}
}
#endif
/* signal mismatch by debug and message */
if (flags) {
GST_WARNING_OBJECT (comp, "buffers %p and %p failed metadata match %d",
buf1, buf2, flags);
gst_element_post_message (GST_ELEMENT (comp),
gst_message_new_element (GST_OBJECT (comp),
gst_structure_new ("delta", "meta", G_TYPE_INT, flags, NULL)));
}
}
static GstFlowReturn
gst_identity_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{
GstFlowReturn ret = GST_FLOW_OK;
GstIdentity *identity = GST_IDENTITY (trans);
GstClockTime runtimestamp = G_GINT64_CONSTANT (0);
if (identity->check_perfect)
gst_identity_check_perfect (identity, buf);
if (identity->check_imperfect_timestamp)
gst_identity_check_imperfect_timestamp (identity, buf);
if (identity->check_imperfect_offset)
gst_identity_check_imperfect_offset (identity, buf);
/* update prev values */
identity->prev_timestamp = GST_BUFFER_TIMESTAMP (buf);
identity->prev_duration = GST_BUFFER_DURATION (buf);
identity->prev_offset_end = GST_BUFFER_OFFSET_END (buf);
identity->prev_offset = GST_BUFFER_OFFSET (buf);
if (identity->error_after >= 0) {
identity->error_after--;
if (identity->error_after == 0) {
GST_ELEMENT_ERROR (identity, CORE, FAILED,
(_("Failed after iterations as requested.")), (NULL));
return GST_FLOW_ERROR;
}
}
if (identity->drop_probability > 0.0) {
if ((gfloat) (1.0 * rand () / (RAND_MAX)) < identity->drop_probability) {
if (!identity->silent) {
GST_OBJECT_LOCK (identity);
g_free (identity->last_message);
identity->last_message =
g_strdup_printf
("dropping ******* (%s:%s)i (%d bytes, timestamp: %"
GST_TIME_FORMAT ", duration: %" GST_TIME_FORMAT ", offset: %"
G_GINT64_FORMAT ", offset_end: % " G_GINT64_FORMAT
", flags: %d) %p", GST_DEBUG_PAD_NAME (trans->sinkpad),
GST_BUFFER_SIZE (buf), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)), GST_BUFFER_OFFSET (buf),
GST_BUFFER_OFFSET_END (buf), GST_BUFFER_FLAGS (buf), buf);
GST_OBJECT_UNLOCK (identity);
g_object_notify (G_OBJECT (identity), "last-message");
}
/* return DROPPED to basetransform. */
return GST_BASE_TRANSFORM_FLOW_DROPPED;
}
}
if (identity->dump) {
gst_util_dump_mem (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
}
if (!identity->silent) {
GST_OBJECT_LOCK (identity);
g_free (identity->last_message);
identity->last_message =
g_strdup_printf ("chain ******* (%s:%s)i (%d bytes, timestamp: %"
GST_TIME_FORMAT ", duration: %" GST_TIME_FORMAT ", offset: %"
G_GINT64_FORMAT ", offset_end: % " G_GINT64_FORMAT ", flags: %d) %p",
GST_DEBUG_PAD_NAME (trans->sinkpad), GST_BUFFER_SIZE (buf),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)),
GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf),
GST_BUFFER_FLAGS (buf), buf);
GST_OBJECT_UNLOCK (identity);
g_object_notify (G_OBJECT (identity), "last-message");
}
if (identity->datarate > 0) {
GstClockTime time = gst_util_uint64_scale_int (identity->offset,
GST_SECOND, identity->datarate);
GST_BUFFER_TIMESTAMP (buf) = time;
GST_BUFFER_DURATION (buf) =
GST_BUFFER_SIZE (buf) * GST_SECOND / identity->datarate;
}
if (identity->signal_handoffs)
g_signal_emit (G_OBJECT (identity), gst_identity_signals[SIGNAL_HANDOFF], 0,
buf);
if (trans->segment.format == GST_FORMAT_TIME)
runtimestamp = gst_segment_to_running_time (&trans->segment,
GST_FORMAT_TIME, GST_BUFFER_TIMESTAMP (buf));
if ((identity->sync) && (trans->segment.format == GST_FORMAT_TIME)) {
GstClock *clock;
GST_OBJECT_LOCK (identity);
if ((clock = GST_ELEMENT (identity)->clock)) {
GstClockReturn cret;
GstClockTime timestamp;
timestamp = runtimestamp + GST_ELEMENT (identity)->base_time;
/* save id if we need to unlock */
/* FIXME: actually unlock this somewhere in the state changes */
identity->clock_id = gst_clock_new_single_shot_id (clock, timestamp);
GST_OBJECT_UNLOCK (identity);
cret = gst_clock_id_wait (identity->clock_id, NULL);
GST_OBJECT_LOCK (identity);
if (identity->clock_id) {
gst_clock_id_unref (identity->clock_id);
identity->clock_id = NULL;
}
if (cret == GST_CLOCK_UNSCHEDULED)
ret = GST_FLOW_UNEXPECTED;
}
GST_OBJECT_UNLOCK (identity);
}
identity->offset += GST_BUFFER_SIZE (buf);
if (identity->sleep_time && ret == GST_FLOW_OK)
g_usleep (identity->sleep_time);
if (identity->single_segment && (trans->segment.format == GST_FORMAT_TIME)
&& (ret == GST_FLOW_OK)) {
GST_BUFFER_TIMESTAMP (buf) = runtimestamp;
GST_BUFFER_OFFSET (buf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET_END (buf) = GST_CLOCK_TIME_NONE;
}
return ret;
}
static GstFlowReturn
gst_gdp_depay_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstGDPDepay *this;
GstFlowReturn ret = GST_FLOW_OK;
GstCaps *caps;
GstBuffer *buf;
GstEvent *event;
guint available;
this = GST_GDP_DEPAY (parent);
/* On DISCONT, get rid of accumulated data. We assume a buffer after the
* DISCONT contains (part of) a new valid header, if not we error because we
* lost sync */
if (GST_BUFFER_IS_DISCONT (buffer)) {
gst_adapter_clear (this->adapter);
this->state = GST_GDP_DEPAY_STATE_HEADER;
}
gst_adapter_push (this->adapter, buffer);
while (TRUE) {
switch (this->state) {
case GST_GDP_DEPAY_STATE_HEADER:
{
guint8 *header;
/* collect a complete header, validate and store the header. Figure out
* the payload length and switch to the PAYLOAD state */
available = gst_adapter_available (this->adapter);
if (available < GST_DP_HEADER_LENGTH)
goto done;
GST_LOG_OBJECT (this, "reading GDP header from adapter");
header = gst_adapter_take (this->adapter, GST_DP_HEADER_LENGTH);
if (!gst_dp_validate_header (GST_DP_HEADER_LENGTH, header)) {
g_free (header);
goto header_validate_error;
}
/* store types and payload length. Also store the header, which we need
* to make the payload. */
this->payload_length = gst_dp_header_payload_length (header);
this->payload_type = gst_dp_header_payload_type (header);
/* free previous header and store new one. */
g_free (this->header);
this->header = header;
GST_LOG_OBJECT (this,
"read GDP header, payload size %d, payload type %d, switching to state PAYLOAD",
this->payload_length, this->payload_type);
this->state = GST_GDP_DEPAY_STATE_PAYLOAD;
break;
}
case GST_GDP_DEPAY_STATE_PAYLOAD:
{
/* in this state we wait for all the payload data to be available in the
* adapter. Then we switch to the state where we actually process the
* payload. */
available = gst_adapter_available (this->adapter);
if (available < this->payload_length)
goto done;
/* change state based on type */
if (this->payload_type == GST_DP_PAYLOAD_BUFFER) {
GST_LOG_OBJECT (this, "switching to state BUFFER");
this->state = GST_GDP_DEPAY_STATE_BUFFER;
} else if (this->payload_type == GST_DP_PAYLOAD_CAPS) {
GST_LOG_OBJECT (this, "switching to state CAPS");
this->state = GST_GDP_DEPAY_STATE_CAPS;
} else if (this->payload_type >= GST_DP_PAYLOAD_EVENT_NONE) {
GST_LOG_OBJECT (this, "switching to state EVENT");
this->state = GST_GDP_DEPAY_STATE_EVENT;
} else {
goto wrong_type;
}
if (this->payload_length) {
const guint8 *data;
gboolean res;
data = gst_adapter_map (this->adapter, this->payload_length);
res = gst_dp_validate_payload (GST_DP_HEADER_LENGTH, this->header,
data);
gst_adapter_unmap (this->adapter);
if (!res)
goto payload_validate_error;
}
break;
}
case GST_GDP_DEPAY_STATE_BUFFER:
{
/* if we receive a buffer without caps first, we error out */
if (!this->caps)
goto no_caps;
GST_LOG_OBJECT (this, "reading GDP buffer from adapter");
buf = gst_dp_buffer_from_header (GST_DP_HEADER_LENGTH, this->header);
if (!buf)
goto buffer_failed;
/* now take the payload if there is any */
if (this->payload_length > 0) {
GstMapInfo map;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
gst_adapter_copy (this->adapter, map.data, 0, this->payload_length);
gst_buffer_unmap (buf, &map);
gst_adapter_flush (this->adapter, this->payload_length);
}
/* set caps and push */
GST_LOG_OBJECT (this, "deserialized buffer %p, pushing, timestamp %"
GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT
", offset %" G_GINT64_FORMAT ", offset_end %" G_GINT64_FORMAT
", size %" G_GSIZE_FORMAT ", flags 0x%x",
buf,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)),
GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf),
gst_buffer_get_size (buf), GST_BUFFER_FLAGS (buf));
ret = gst_pad_push (this->srcpad, buf);
if (ret != GST_FLOW_OK)
goto push_error;
GST_LOG_OBJECT (this, "switching to state HEADER");
this->state = GST_GDP_DEPAY_STATE_HEADER;
break;
}
case GST_GDP_DEPAY_STATE_CAPS:
{
guint8 *payload;
/* take the payload of the caps */
GST_LOG_OBJECT (this, "reading GDP caps from adapter");
payload = gst_adapter_take (this->adapter, this->payload_length);
caps = gst_dp_caps_from_packet (GST_DP_HEADER_LENGTH, this->header,
payload);
g_free (payload);
if (!caps)
goto caps_failed;
GST_DEBUG_OBJECT (this, "deserialized caps %" GST_PTR_FORMAT, caps);
gst_caps_replace (&(this->caps), caps);
gst_pad_set_caps (this->srcpad, caps);
/* drop the creation ref we still have */
gst_caps_unref (caps);
GST_LOG_OBJECT (this, "switching to state HEADER");
this->state = GST_GDP_DEPAY_STATE_HEADER;
break;
}
case GST_GDP_DEPAY_STATE_EVENT:
{
guint8 *payload;
GST_LOG_OBJECT (this, "reading GDP event from adapter");
/* adapter doesn't like 0 length payload */
if (this->payload_length > 0)
payload = gst_adapter_take (this->adapter, this->payload_length);
else
payload = NULL;
event = gst_dp_event_from_packet (GST_DP_HEADER_LENGTH, this->header,
payload);
g_free (payload);
if (!event)
goto event_failed;
GST_DEBUG_OBJECT (this, "deserialized event %p of type %s, pushing",
event, gst_event_type_get_name (event->type));
gst_pad_push_event (this->srcpad, event);
GST_LOG_OBJECT (this, "switching to state HEADER");
this->state = GST_GDP_DEPAY_STATE_HEADER;
break;
}
}
}
done:
return ret;
/* ERRORS */
header_validate_error:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("GDP packet header does not validate"));
ret = GST_FLOW_ERROR;
goto done;
}
payload_validate_error:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("GDP packet payload does not validate"));
ret = GST_FLOW_ERROR;
goto done;
}
wrong_type:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("GDP packet header is of wrong type"));
ret = GST_FLOW_ERROR;
goto done;
}
no_caps:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("Received a buffer without first receiving caps"));
ret = GST_FLOW_NOT_NEGOTIATED;
goto done;
}
buffer_failed:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("could not create buffer from GDP packet"));
ret = GST_FLOW_ERROR;
goto done;
}
push_error:
{
GST_WARNING_OBJECT (this, "pushing depayloaded buffer returned %d", ret);
goto done;
}
caps_failed:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("could not create caps from GDP packet"));
ret = GST_FLOW_ERROR;
goto done;
}
event_failed:
{
GST_ELEMENT_ERROR (this, STREAM, DECODE, (NULL),
("could not create event from GDP packet"));
ret = GST_FLOW_ERROR;
goto done;
}
}
/**
* gst_buffer_create_sub:
* @parent: a #GstBuffer.
* @offset: the offset into parent #GstBuffer at which the new sub-buffer
* begins.
* @size: the size of the new #GstBuffer sub-buffer, in bytes.
*
* Creates a sub-buffer from @parent at @offset and @size.
* This sub-buffer uses the actual memory space of the parent buffer.
* This function will copy the offset and timestamp fields when the
* offset is 0. If not, they will be set to #GST_CLOCK_TIME_NONE and
* #GST_BUFFER_OFFSET_NONE.
* If @offset equals 0 and @size equals the total size of @buffer, the
* duration and offset end fields are also copied. If not they will be set
* to #GST_CLOCK_TIME_NONE and #GST_BUFFER_OFFSET_NONE.
*
* MT safe.
* Returns: the new #GstBuffer.
* Returns NULL if the arguments were invalid.
*/
GstBuffer *
gst_buffer_create_sub (GstBuffer * buffer, guint offset, guint size)
{
GstSubBuffer *subbuffer;
GstBuffer *parent;
gboolean complete;
g_return_val_if_fail (buffer != NULL, NULL);
g_return_val_if_fail (buffer->mini_object.refcount > 0, NULL);
g_return_val_if_fail (buffer->size >= offset + size, NULL);
/* find real parent */
if (GST_IS_SUBBUFFER (buffer)) {
parent = GST_SUBBUFFER_CAST (buffer)->parent;
} else {
parent = buffer;
}
gst_buffer_ref (parent);
/* create the new buffer */
subbuffer = (GstSubBuffer *) gst_mini_object_new (_gst_subbuffer_type);
subbuffer->parent = parent;
GST_CAT_LOG (GST_CAT_BUFFER, "new subbuffer %p (parent %p)", subbuffer,
parent);
/* set the right values in the child */
GST_BUFFER_DATA (GST_BUFFER_CAST (subbuffer)) = buffer->data + offset;
GST_BUFFER_SIZE (GST_BUFFER_CAST (subbuffer)) = size;
if ((offset == 0) && (size == GST_BUFFER_SIZE (buffer))) {
/* copy all the flags except IN_CAPS */
GST_BUFFER_FLAG_SET (subbuffer, GST_BUFFER_FLAGS (buffer));
GST_BUFFER_FLAG_UNSET (subbuffer, GST_BUFFER_FLAG_IN_CAPS);
} else {
/* copy only PREROLL & GAP flags */
GST_BUFFER_FLAG_SET (subbuffer, (GST_BUFFER_FLAGS (buffer) &
(GST_BUFFER_FLAG_PREROLL | GST_BUFFER_FLAG_GAP)));
}
/* we can copy the timestamp and offset if the new buffer starts at
* offset 0 */
if (offset == 0) {
GST_BUFFER_TIMESTAMP (subbuffer) = GST_BUFFER_TIMESTAMP (buffer);
GST_BUFFER_OFFSET (subbuffer) = GST_BUFFER_OFFSET (buffer);
complete = (buffer->size == size);
} else {
GST_BUFFER_TIMESTAMP (subbuffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET (subbuffer) = GST_BUFFER_OFFSET_NONE;
complete = FALSE;
}
if (complete) {
GstCaps *caps;
/* if we copied the complete buffer we can copy the duration,
* offset_end and caps as well */
GST_BUFFER_DURATION (subbuffer) = GST_BUFFER_DURATION (buffer);
GST_BUFFER_OFFSET_END (subbuffer) = GST_BUFFER_OFFSET_END (buffer);
if ((caps = GST_BUFFER_CAPS (buffer)))
gst_caps_ref (caps);
GST_BUFFER_CAPS (subbuffer) = caps;
} else {
GST_BUFFER_DURATION (subbuffer) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET_END (subbuffer) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_CAPS (subbuffer) = NULL;
}
return GST_BUFFER_CAST (subbuffer);
}
gboolean gst_imx_blitter_set_input_frame(GstImxBlitter *blitter, GstBuffer *frame)
{
gboolean ret;
GstImxPhysMemMeta *phys_mem_meta;
GstImxBlitterClass *klass;
g_assert(blitter != NULL);
klass = GST_IMX_BLITTER_CLASS(G_OBJECT_GET_CLASS(blitter));
g_assert(klass->set_input_frame != NULL);
if (frame == NULL)
return klass->set_input_frame(blitter, NULL);
phys_mem_meta = GST_IMX_PHYS_MEM_META_GET(frame);
if ((phys_mem_meta == NULL) || (phys_mem_meta->phys_addr == 0))
{
GstFlowReturn flow_ret;
GstBuffer *internal_input_frame;
/* No DMA memory present; the input frame needs to be copied to an internal input frame */
GST_TRACE_OBJECT(blitter, "input frame does not use DMA memory - copying input frame to internal frame");
{
if (blitter->dma_bufferpool == NULL)
{
GST_TRACE_OBJECT(blitter, "need to create internal bufferpool");
/* DMA bufferpool does not exist yet - create it now,
* so that it can in turn create the internal input frame */
GstCaps *caps = gst_video_info_to_caps(&(blitter->input_video_info));
blitter->dma_bufferpool = gst_imx_blitter_create_bufferpool(
blitter,
caps,
blitter->input_video_info.size,
0, 0,
NULL,
NULL
);
gst_caps_unref(caps);
if (blitter->dma_bufferpool == NULL)
{
GST_ERROR_OBJECT(blitter, "failed to create internal bufferpool");
return FALSE;
}
}
/* Future versions of this code may propose the internal bufferpool upstream;
* hence the is_active check */
if (!gst_buffer_pool_is_active(blitter->dma_bufferpool))
gst_buffer_pool_set_active(blitter->dma_bufferpool, TRUE);
}
/* Create new internal input frame */
GST_TRACE_OBJECT(blitter, "acquiring buffer for internal input frame");
internal_input_frame = NULL;
flow_ret = gst_buffer_pool_acquire_buffer(blitter->dma_bufferpool, &internal_input_frame, NULL);
if (flow_ret != GST_FLOW_OK)
{
if (internal_input_frame != NULL)
gst_buffer_unref(internal_input_frame);
GST_ERROR_OBJECT(blitter, "error acquiring input frame buffer: %s", gst_pad_mode_get_name(flow_ret));
return FALSE;
}
/* Copy the input buffer's pixels to the internal input frame */
{
GstVideoFrame input_vidframe, internal_input_vidframe;
gst_video_frame_map(&input_vidframe, &(blitter->input_video_info), frame, GST_MAP_READ);
gst_video_frame_map(&internal_input_vidframe, &(blitter->input_video_info), internal_input_frame, GST_MAP_WRITE);
/* gst_video_frame_copy() makes sure stride and plane offset values from both frames are respected */
gst_video_frame_copy(&internal_input_vidframe, &input_vidframe);
/* copy interlace flags */
GST_BUFFER_FLAGS(internal_input_frame) |= (GST_BUFFER_FLAGS(frame) & (GST_VIDEO_BUFFER_FLAG_INTERLACED | GST_VIDEO_BUFFER_FLAG_TFF | GST_VIDEO_BUFFER_FLAG_RFF | GST_VIDEO_BUFFER_FLAG_ONEFIELD));
gst_video_frame_unmap(&internal_input_vidframe);
gst_video_frame_unmap(&input_vidframe);
}
ret = klass->set_input_frame(blitter, internal_input_frame);
gst_buffer_unref(internal_input_frame);
}
else
{
GST_TRACE_OBJECT(blitter, "input frame uses DMA memory - setting it directly as input frame");
ret = klass->set_input_frame(blitter, frame);
}
return ret;
}
static GstFlowReturn
gst_mpeg2dec_crop_buffer (GstMpeg2dec * dec, GstVideoCodecFrame * in_frame,
GstVideoFrame * input_vframe)
{
GstVideoCodecState *state;
GstVideoInfo *info;
GstVideoInfo *dinfo;
guint c, n_planes;
GstVideoFrame output_frame;
GstFlowReturn ret;
state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (dec));
info = &state->info;
dinfo = &dec->decoded_info;
GST_CAT_LOG_OBJECT (GST_CAT_PERFORMANCE, dec,
"Copying input buffer %ux%u (%" G_GSIZE_FORMAT ") to output buffer "
"%ux%u (%" G_GSIZE_FORMAT ")", dinfo->width, dinfo->height,
dinfo->size, info->width, info->height, info->size);
ret =
gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER (dec),
in_frame);
if (ret != GST_FLOW_OK)
goto beach;
if (!gst_video_frame_map (&output_frame, info, in_frame->output_buffer,
GST_MAP_WRITE))
goto map_fail;
n_planes = GST_VIDEO_FRAME_N_PLANES (&output_frame);
for (c = 0; c < n_planes; c++) {
guint w, h, j;
guint8 *sp, *dp;
gint ss, ds;
sp = GST_VIDEO_FRAME_PLANE_DATA (input_vframe, c);
dp = GST_VIDEO_FRAME_PLANE_DATA (&output_frame, c);
ss = GST_VIDEO_FRAME_PLANE_STRIDE (input_vframe, c);
ds = GST_VIDEO_FRAME_PLANE_STRIDE (&output_frame, c);
w = MIN (ABS (ss), ABS (ds));
h = GST_VIDEO_FRAME_COMP_HEIGHT (&output_frame, c);
GST_CAT_DEBUG (GST_CAT_PERFORMANCE, "copy plane %u, w:%u h:%u ", c, w, h);
for (j = 0; j < h; j++) {
memcpy (dp, sp, w);
dp += ds;
sp += ss;
}
}
gst_video_frame_unmap (&output_frame);
GST_BUFFER_FLAGS (in_frame->output_buffer) =
GST_BUFFER_FLAGS (input_vframe->buffer);
beach:
gst_video_codec_state_unref (state);
return ret;
map_fail:
{
GST_ERROR_OBJECT (dec, "Failed to map output frame");
gst_video_codec_state_unref (state);
return GST_FLOW_ERROR;
}
}
static GstFlowReturn
gst_interlace_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstInterlace *interlace = GST_INTERLACE (parent);
GstFlowReturn ret = GST_FLOW_OK;
gint num_fields = 0;
int current_fields;
const PulldownFormat *format;
GST_DEBUG ("Received buffer at %u:%02u:%02u:%09u",
(guint) (GST_BUFFER_TIMESTAMP (buffer) / (GST_SECOND * 60 * 60)),
(guint) ((GST_BUFFER_TIMESTAMP (buffer) / (GST_SECOND * 60)) % 60),
(guint) ((GST_BUFFER_TIMESTAMP (buffer) / GST_SECOND) % 60),
(guint) (GST_BUFFER_TIMESTAMP (buffer) % GST_SECOND));
GST_DEBUG ("duration %" GST_TIME_FORMAT " flags %04x %s %s %s",
GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)),
GST_BUFFER_FLAGS (buffer),
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_FLAG_TFF) ? "tff" : "",
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_FLAG_RFF) ? "rff" : "",
(GST_BUFFER_FLAGS (buffer) & GST_VIDEO_BUFFER_FLAG_ONEFIELD) ? "onefield"
: "");
if (GST_BUFFER_FLAGS (buffer) & GST_BUFFER_FLAG_DISCONT) {
GST_DEBUG ("discont");
if (interlace->stored_frame) {
gst_buffer_unref (interlace->stored_frame);
}
interlace->stored_frame = NULL;
interlace->stored_fields = 0;
if (interlace->top_field_first) {
interlace->field_index = 0;
} else {
interlace->field_index = 1;
}
}
if (interlace->timebase == GST_CLOCK_TIME_NONE) {
/* get the initial ts */
interlace->timebase = GST_BUFFER_TIMESTAMP (buffer);
}
format = &formats[interlace->pattern];
if (interlace->stored_fields == 0
&& interlace->phase_index == interlace->pattern_offset
&& GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (buffer))) {
interlace->timebase = GST_BUFFER_TIMESTAMP (buffer);
interlace->fields_since_timebase = 0;
}
if (!format->n_fields[interlace->phase_index]) {
interlace->phase_index = 0;
}
current_fields = format->n_fields[interlace->phase_index];
/* increment the phase index */
interlace->phase_index++;
GST_DEBUG ("incoming buffer assigned %d fields", current_fields);
num_fields = interlace->stored_fields + current_fields;
while (num_fields >= 2) {
GstBuffer *output_buffer;
int n_output_fields;
gboolean interlaced = FALSE;
GST_DEBUG ("have %d fields, %d current, %d stored",
num_fields, current_fields, interlace->stored_fields);
if (interlace->stored_fields > 0) {
GST_DEBUG ("1 field from stored, 1 from current");
output_buffer = gst_buffer_new_and_alloc (gst_buffer_get_size (buffer));
/* take the first field from the stored frame */
copy_field (interlace, output_buffer, interlace->stored_frame,
interlace->field_index);
interlace->stored_fields--;
/* take the second field from the incoming buffer */
copy_field (interlace, output_buffer, buffer, interlace->field_index ^ 1);
current_fields--;
n_output_fields = 2;
interlaced = TRUE;
} else {
output_buffer = gst_buffer_make_writable (gst_buffer_ref (buffer));
if (num_fields >= 3 && interlace->allow_rff) {
GST_DEBUG ("3 fields from current");
/* take both fields from incoming buffer */
current_fields -= 3;
n_output_fields = 3;
} else {
GST_DEBUG ("2 fields from current");
/* take both buffers from incoming buffer */
current_fields -= 2;
n_output_fields = 2;
}
}
num_fields -= n_output_fields;
gst_interlace_decorate_buffer (interlace, output_buffer, n_output_fields,
interlaced);
interlace->fields_since_timebase += n_output_fields;
interlace->field_index ^= (n_output_fields & 1);
GST_DEBUG_OBJECT (interlace, "output timestamp %" GST_TIME_FORMAT
" duration %" GST_TIME_FORMAT " flags %04x %s %s %s",
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (output_buffer)),
GST_TIME_ARGS (GST_BUFFER_DURATION (output_buffer)),
GST_BUFFER_FLAGS (output_buffer),
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_FLAG_TFF) ? "tff" :
"",
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_FLAG_RFF) ? "rff" :
"",
(GST_BUFFER_FLAGS (output_buffer) & GST_VIDEO_BUFFER_FLAG_ONEFIELD) ?
"onefield" : "");
ret = gst_pad_push (interlace->srcpad, output_buffer);
if (ret != GST_FLOW_OK) {
GST_DEBUG_OBJECT (interlace, "Failed to push buffer %p", output_buffer);
break;
}
}
GST_DEBUG ("done. %d fields remaining", current_fields);
if (interlace->stored_frame) {
gst_buffer_unref (interlace->stored_frame);
interlace->stored_frame = NULL;
interlace->stored_fields = 0;
}
if (current_fields > 0) {
interlace->stored_frame = buffer;
interlace->stored_fields = current_fields;
} else {
gst_buffer_unref (buffer);
}
return ret;
}
static GstFlowReturn
mpegtsmux_collected (GstCollectPads2 * pads, MpegTsMux * mux)
{
GstFlowReturn ret = GST_FLOW_OK;
MpegTsPadData *best = NULL;
GST_DEBUG_OBJECT (mux, "Pads collected");
if (G_UNLIKELY (mux->first)) {
ret = mpegtsmux_create_streams (mux);
if (G_UNLIKELY (ret != GST_FLOW_OK))
return ret;
mpegtsdemux_prepare_srcpad (mux);
mux->first = FALSE;
}
best = mpegtsmux_choose_best_stream (mux);
if (best != NULL) {
TsMuxProgram *prog = best->prog;
GstBuffer *buf = best->queued_buf;
gint64 pts = -1;
gboolean delta = TRUE;
if (prog == NULL) {
GST_ELEMENT_ERROR (mux, STREAM, MUX,
("Stream on pad %" GST_PTR_FORMAT
" is not associated with any program", COLLECT_DATA_PAD (best)),
(NULL));
return GST_FLOW_ERROR;
}
if (mux->force_key_unit_event != NULL && best->stream->is_video_stream) {
GstEvent *event;
event = check_pending_key_unit_event (mux->force_key_unit_event,
&best->collect.segment, GST_BUFFER_TIMESTAMP (buf),
GST_BUFFER_FLAGS (buf), mux->pending_key_unit_ts);
if (event) {
GstClockTime running_time;
guint count;
GList *cur;
mux->pending_key_unit_ts = GST_CLOCK_TIME_NONE;
gst_event_replace (&mux->force_key_unit_event, NULL);
gst_video_event_parse_downstream_force_key_unit (event,
NULL, NULL, &running_time, NULL, &count);
GST_INFO_OBJECT (mux, "pushing downstream force-key-unit event %d "
"%" GST_TIME_FORMAT " count %d", gst_event_get_seqnum (event),
GST_TIME_ARGS (running_time), count);
gst_pad_push_event (mux->srcpad, event);
/* output PAT */
mux->tsmux->last_pat_ts = -1;
/* output PMT for each program */
for (cur = g_list_first (mux->tsmux->programs); cur != NULL;
cur = g_list_next (cur)) {
TsMuxProgram *program = (TsMuxProgram *) cur->data;
program->last_pmt_ts = -1;
}
tsmux_program_set_pcr_stream (prog, NULL);
}
}
if (G_UNLIKELY (prog->pcr_stream == NULL)) {
/* Take the first data stream for the PCR */
GST_DEBUG_OBJECT (COLLECT_DATA_PAD (best),
"Use stream (pid=%d) from pad as PCR for program (prog_id = %d)",
MPEG_TS_PAD_DATA (best)->pid, MPEG_TS_PAD_DATA (best)->prog_id);
/* Set the chosen PCR stream */
tsmux_program_set_pcr_stream (prog, best->stream);
}
g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
if (best->stream->is_video_stream)
delta = GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
GST_DEBUG_OBJECT (mux, "delta: %d", delta);
GST_DEBUG_OBJECT (COLLECT_DATA_PAD (best),
"Chose stream for output (PID: 0x%04x)", best->pid);
if (GST_CLOCK_TIME_IS_VALID (best->cur_ts)) {
pts = GSTTIME_TO_MPEGTIME (best->cur_ts);
GST_DEBUG_OBJECT (mux, "Buffer has TS %" GST_TIME_FORMAT " pts %"
G_GINT64_FORMAT, GST_TIME_ARGS (best->cur_ts), pts);
}
tsmux_stream_add_data (best->stream, GST_BUFFER_DATA (buf),
GST_BUFFER_SIZE (buf), buf, pts, -1, !delta);
best->queued_buf = NULL;
mux->is_delta = delta;
while (tsmux_stream_bytes_in_buffer (best->stream) > 0) {
if (!tsmux_write_stream_packet (mux->tsmux, best->stream)) {
/* Failed writing data for some reason. Set appropriate error */
GST_DEBUG_OBJECT (mux, "Failed to write data packet");
GST_ELEMENT_ERROR (mux, STREAM, MUX,
("Failed writing output data to stream %04x", best->stream->id),
(NULL));
goto write_fail;
}
}
if (prog->pcr_stream == best->stream) {
mux->last_ts = best->last_ts;
}
} else {
/* FIXME: Drain all remaining streams */
/* At EOS */
gst_pad_push_event (mux->srcpad, gst_event_new_eos ());
}
return ret;
write_fail:
return mux->last_flow_ret;
}
