static GstFlowReturn
gst_hls_sink_chain_list (GstPad * pad, GstObject * parent, GstBufferList * list)
{
guint i, len;
GstBuffer *buffer;
GstFlowReturn ret;
GstHlsSink *sink = GST_HLS_SINK_CAST (parent);
if (sink->target_duration == 0 || sink->waiting_fku)
return gst_proxy_pad_chain_list_default (pad, parent, list);
GST_DEBUG_OBJECT (pad, "chaining each group in list as a merged buffer");
len = gst_buffer_list_length (list);
ret = GST_FLOW_OK;
for (i = 0; i < len; i++) {
buffer = gst_buffer_list_get (list, i);
if (!sink->waiting_fku)
gst_hls_sink_check_schedule_next_key_unit (sink, buffer);
ret = gst_pad_chain (pad, gst_buffer_ref (buffer));
if (ret != GST_FLOW_OK)
break;
}
gst_buffer_list_unref (list);
return ret;
}
/*
* Chain list function for testing buffer lists
*/
static GstFlowReturn
rtp_pipeline_chain_list (GstPad * pad, GstObject * parent, GstBufferList * list)
{
guint i, len;
fail_if (!list);
/*
* Count the size of the payload in the buffer list.
*/
len = gst_buffer_list_length (list);
/* Loop through all groups */
for (i = 0; i < len; i++) {
GstBuffer *paybuf;
GstMemory *mem;
gint size;
paybuf = gst_buffer_list_get (list, i);
/* only count real data which is expected in last memory block */
fail_unless (gst_buffer_n_memory (paybuf) > 1);
mem = gst_buffer_get_memory_range (paybuf, gst_buffer_n_memory (paybuf) - 1,
1);
size = gst_memory_get_sizes (mem, NULL, NULL);
gst_memory_unref (mem);
chain_list_bytes_received += size;
}
gst_buffer_list_unref (list);
return GST_FLOW_OK;
}
static void copyGstreamerBuffersToAudioChannel(GstBufferList* buffers, AudioChannel* audioChannel)
{
#ifdef GST_API_VERSION_1
gsize offset = 0;
for (unsigned i = 0; i < gst_buffer_list_length(buffers); i++) {
GstBuffer* buffer = gst_buffer_list_get(buffers, i);
if (!buffer)
continue;
GstMapInfo info;
gst_buffer_map(buffer, &info, GST_MAP_READ);
memcpy(audioChannel->mutableData() + offset, reinterpret_cast<float*>(info.data), info.size);
offset += info.size / sizeof(float);
gst_buffer_unmap(buffer, &info);
}
#else
GstBufferListIterator* iter = gst_buffer_list_iterate(buffers);
gst_buffer_list_iterator_next_group(iter);
GstBuffer* buffer = gst_buffer_list_iterator_merge_group(iter);
if (buffer) {
memcpy(audioChannel->mutableData(), reinterpret_cast<float*>(GST_BUFFER_DATA(buffer)), GST_BUFFER_SIZE(buffer));
gst_buffer_unref(buffer);
}
gst_buffer_list_iterator_free(iter);
#endif
}
/**
* gst_rtp_buffer_list_get_payload_type:
* @list: the buffer list
*
* Get the payload type of the first RTP packet in @list.
* All packets in @list should have the same payload type.
*
* Returns: The payload type.
*
* Since: 0.10.24
*/
guint8
gst_rtp_buffer_list_get_payload_type (GstBufferList * list)
{
GstBuffer *buffer;
buffer = gst_buffer_list_get (list, 0, 0);
g_return_val_if_fail (buffer != NULL, 0);
return GST_RTP_HEADER_PAYLOAD_TYPE (GST_BUFFER_DATA (buffer));
}
/**
* gst_rtp_buffer_list_get_ssrc:
* @list: the buffer list
*
* Get the SSRC of the first RTP packet in @list.
* All RTP packets within @list have the same SSRC.
*
* Returns: the SSRC of @list in host order.
*
* Since: 0.10.24
*/
guint32
gst_rtp_buffer_list_get_ssrc (GstBufferList * list)
{
GstBuffer *buffer;
buffer = gst_buffer_list_get (list, 0, 0);
g_return_val_if_fail (buffer != NULL, 0);
return g_ntohl (GST_RTP_HEADER_SSRC (GST_BUFFER_DATA (buffer)));
}
/**
* gst_rtp_buffer_list_get_timestamp:
* @list: the buffer list
*
* Get the timestamp of the first RTP packet in @list.
* All packets within @list have the same timestamp.
*
* Returns: The timestamp in host order.
*
* Since: 0.10.24
*/
guint32
gst_rtp_buffer_list_get_timestamp (GstBufferList * list)
{
GstBuffer *buffer;
buffer = gst_buffer_list_get (list, 0, 0);
g_return_val_if_fail (buffer != NULL, 0);
return g_ntohl (GST_RTP_HEADER_TIMESTAMP (GST_BUFFER_DATA (buffer)));
}
static void copyGstreamerBuffersToAudioChannel(GstBufferList* buffers, AudioChannel* audioChannel)
{
float* destination = audioChannel->mutableData();
unsigned bufferCount = gst_buffer_list_length(buffers);
for (unsigned i = 0; i < bufferCount; ++i) {
GstBuffer* buffer = gst_buffer_list_get(buffers, i);
ASSERT(buffer);
gsize bufferSize = gst_buffer_get_size(buffer);
gst_buffer_extract(buffer, 0, destination, bufferSize);
destination += bufferSize / sizeof(float);
}
}
EXPORT_C
#endif
guint16
gst_rtp_buffer_list_get_seq (GstBufferList * list)
{
GstBuffer *buffer;
buffer = gst_buffer_list_get (list, 0, 0);
g_return_val_if_fail (buffer != NULL, 0);
return g_ntohl (GST_RTP_HEADER_SEQ (GST_BUFFER_DATA (buffer)));
}
static void
gst_rtp_ulpfec_dec_start (GstRtpUlpFecDec * self, GstBufferList * buflist,
guint8 fec_pt, guint16 lost_seq)
{
guint fec_packets = 0;
gsize i;
g_assert (NULL == self->info_media);
g_assert (0 == self->info_fec->len);
g_assert (0 == self->info_arr->len);
g_array_set_size (self->info_arr, gst_buffer_list_length (buflist));
for (i = 0;
i < gst_buffer_list_length (buflist) && !self->lost_packet_from_storage;
++i) {
GstBuffer *buffer = gst_buffer_list_get (buflist, i);
RtpUlpFecMapInfo *info = RTP_FEC_MAP_INFO_NTH (self, i);
if (!rtp_ulpfec_map_info_map (gst_buffer_ref (buffer), info))
g_assert_not_reached ();
if (fec_pt == gst_rtp_buffer_get_payload_type (&info->rtp)) {
GST_DEBUG_RTP_PACKET (self, "rtp header (fec)", &info->rtp);
++fec_packets;
if (rtp_ulpfec_buffer_is_valid (&info->rtp)) {
GST_DEBUG_FEC_PACKET (self, &info->rtp);
g_ptr_array_add (self->info_fec, GUINT_TO_POINTER (i));
}
} else {
GST_LOG_RTP_PACKET (self, "rtp header (incoming)", &info->rtp);
if (lost_seq == gst_rtp_buffer_get_seq (&info->rtp)) {
GST_DEBUG_OBJECT (self, "Received lost packet from from the storage");
g_list_free (self->info_media);
self->info_media = NULL;
self->lost_packet_from_storage = TRUE;
}
self->info_media =
g_list_insert_sorted_with_data (self->info_media,
GUINT_TO_POINTER (i), _compare_fec_map_info, self);
}
}
if (!self->lost_packet_from_storage) {
self->fec_packets_received += fec_packets;
self->fec_packets_rejected += fec_packets - self->info_fec->len;
}
}
static GstFlowReturn
gst_file_sink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
{
GstFlowReturn flow;
GstBuffer **buffers;
GstFileSink *sink;
guint8 *mem_nums;
guint total_mems;
guint i, num_buffers;
gboolean sync_after = FALSE;
sink = GST_FILE_SINK_CAST (bsink);
num_buffers = gst_buffer_list_length (buffer_list);
if (num_buffers == 0)
goto no_data;
/* extract buffers from list and count memories */
buffers = g_newa (GstBuffer *, num_buffers);
mem_nums = g_newa (guint8, num_buffers);
for (i = 0, total_mems = 0; i < num_buffers; ++i) {
buffers[i] = gst_buffer_list_get (buffer_list, i);
mem_nums[i] = gst_buffer_n_memory (buffers[i]);
total_mems += mem_nums[i];
if (GST_BUFFER_FLAG_IS_SET (buffers[i], GST_BUFFER_FLAG_SYNC_AFTER))
sync_after = TRUE;
}
flow =
gst_file_sink_render_buffers (sink, buffers, num_buffers, mem_nums,
total_mems);
if (flow == GST_FLOW_OK && sync_after) {
if (fflush (sink->file) || fsync (fileno (sink->file))) {
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
(_("Error while writing to file \"%s\"."), sink->filename),
("%s", g_strerror (errno)));
flow = GST_FLOW_ERROR;
}
}
return flow;
no_data:
{
GST_LOG_OBJECT (sink, "empty buffer list");
return GST_FLOW_OK;
}
}
/*
* Render function for testing udpsink with buffer lists
*/
static GstFlowReturn
udpsink_render_list (GstBaseSink * sink, GstBufferList * list)
{
guint i, num;
num = gst_buffer_list_length (list);
for (i = 0; i < num; ++i) {
GstBuffer *buf = gst_buffer_list_get (list, i);
gsize size = gst_buffer_get_size (buf);
GST_DEBUG ("rendered %" G_GSIZE_FORMAT " bytes", size);
render_list_bytes_received += size;
}
return GST_FLOW_OK;
}
/**
* @brief Handle list of buffers.
*
* GstBaseSink method implementation.
*/
static GstFlowReturn
gst_tensor_sink2_render_list (GstBaseSink * sink, GstBufferList * buffer_list)
{
GstTensorSink2 *self;
GstBuffer *buffer;
guint i;
guint num_buffers;
self = GST_TENSOR_SINK2 (sink);
num_buffers = gst_buffer_list_length (buffer_list);
for (i = 0; i < num_buffers; i++) {
buffer = gst_buffer_list_get (buffer_list, i);
gst_tensor_sink2_render_buffer (self, buffer);
}
return GST_FLOW_OK;
}
GstCaps *
gst_fragment_get_caps (GstFragment * fragment)
{
g_return_val_if_fail (fragment != NULL, NULL);
if (!fragment->completed)
return NULL;
g_mutex_lock (&fragment->priv->lock);
if (fragment->priv->caps == NULL) {
GstBuffer *buf = gst_buffer_list_get (fragment->priv->buffer_list, 0, 0);
fragment->priv->caps = gst_type_find_helper_for_buffer (NULL, buf, NULL);
}
gst_caps_ref (fragment->priv->caps);
g_mutex_unlock (&fragment->priv->lock);
return fragment->priv->caps;
}
static GstFlowReturn
gst_rtp_base_depayload_chain_list (GstPad * pad, GstObject * parent,
GstBufferList * list)
{
GstRTPBaseDepayloadClass *bclass;
GstRTPBaseDepayload *basedepay;
GstFlowReturn flow_ret;
GstBuffer *buffer;
guint i, len;
basedepay = GST_RTP_BASE_DEPAYLOAD_CAST (parent);
bclass = GST_RTP_BASE_DEPAYLOAD_GET_CLASS (basedepay);
flow_ret = GST_FLOW_OK;
/* chain each buffer in list individually */
len = gst_buffer_list_length (list);
if (len == 0)
goto done;
for (i = 0; i < len; i++) {
buffer = gst_buffer_list_get (list, i);
/* handle_buffer takes ownership of input buffer */
/* FIXME: add a way to steal buffers from list as we will unref it anyway */
gst_buffer_ref (buffer);
/* Should we fix up any missing timestamps for list buffers here
* (e.g. set to first or previous timestamp in list) or just assume
* the's a jitterbuffer that will have done that for us? */
flow_ret = gst_rtp_base_depayload_handle_buffer (basedepay, bclass, buffer);
if (flow_ret != GST_FLOW_OK)
break;
}
done:
gst_buffer_list_unref (list);
return flow_ret;
}
static GstFlowReturn
gst_fd_sink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
{
GstFlowReturn flow;
GstBuffer **buffers;
GstFdSink *sink;
guint8 *mem_nums;
guint total_mems;
guint i, num_buffers;
sink = GST_FD_SINK_CAST (bsink);
num_buffers = gst_buffer_list_length (buffer_list);
if (num_buffers == 0)
goto no_data;
/* extract buffers from list and count memories */
buffers = g_newa (GstBuffer *, num_buffers);
mem_nums = g_newa (guint8, num_buffers);
for (i = 0, total_mems = 0; i < num_buffers; ++i) {
buffers[i] = gst_buffer_list_get (buffer_list, i);
mem_nums[i] = gst_buffer_n_memory (buffers[i]);
total_mems += mem_nums[i];
}
flow =
gst_fd_sink_render_buffers (sink, buffers, num_buffers, mem_nums,
total_mems);
return flow;
no_data:
{
GST_LOG_OBJECT (sink, "empty buffer list");
return GST_FLOW_OK;
}
}
BufferPtr BufferList::bufferAt(uint index) const
{
return BufferPtr::wrap(gst_buffer_list_get(object<GstBufferList>(), index));
}
