static gboolean gst_imx_ipu_blitter_allocate_internal_fill_frame(GstImxIpuBlitter *ipu_blitter)
{
GstImxPhysMemory *phys_mem;
/* Not using the dma bufferpool for this, since that bufferpool will
* be configured to input frame sizes. Plus, the pool wouldn't yield any benefits here. */
ipu_blitter->fill_frame = gst_buffer_new_allocate(
ipu_blitter->allocator,
fill_frame_width * fill_frame_height * gst_imx_ipu_video_bpp(format),
NULL
);
if (ipu_blitter->fill_frame == NULL)
{
GST_ERROR_OBJECT(ipu_blitter, "could not allocate internal fill frame");
return FALSE;
}
phys_mem = (GstImxPhysMemory *)gst_buffer_peek_memory(ipu_blitter->fill_frame, 0);
memset(&(ipu_blitter->priv->fill_task), 0, sizeof(struct ipu_task));
ipu_blitter->priv->fill_task.input.crop.pos.x = 0;
ipu_blitter->priv->fill_task.input.crop.pos.y = 0;
ipu_blitter->priv->fill_task.input.crop.w = fill_frame_width;
ipu_blitter->priv->fill_task.input.crop.h = fill_frame_height;
ipu_blitter->priv->fill_task.input.width = fill_frame_width;
ipu_blitter->priv->fill_task.input.height = fill_frame_height;
ipu_blitter->priv->fill_task.input.paddr = (dma_addr_t)(phys_mem->phys_addr);
ipu_blitter->priv->fill_task.input.format = gst_imx_ipu_blitter_get_v4l_format(format);
return TRUE;
}
static GstFlowReturn
gst_mpeg2dec_alloc_sized_buf (GstMpeg2dec * mpeg2dec, guint size,
GstVideoCodecFrame * frame, GstBuffer ** buffer)
{
GstFlowReturn ret = GST_FLOW_OK;
GstVideoCodecState *state;
state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (mpeg2dec));
if (!mpeg2dec->need_cropping || mpeg2dec->has_cropping) {
/* need parsed input, but that might be slightly bogus,
* so avoid giving up altogether and mark it as error */
if (frame->output_buffer) {
gst_buffer_replace (&frame->output_buffer, NULL);
GST_VIDEO_DECODER_ERROR (mpeg2dec, 1, STREAM, DECODE,
("decoding error"), ("Input not correctly parsed"), ret);
}
ret =
gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER (mpeg2dec),
frame);
*buffer = frame->output_buffer;
} else {
GstAllocationParams params = { 0, 15, 0, 0 };
*buffer = gst_buffer_new_allocate (NULL, size, ¶ms);
gst_video_codec_frame_set_user_data (frame, *buffer,
(GDestroyNotify) frame_user_data_destroy_notify);
}
gst_video_codec_state_unref (state);
return ret;
}
static GstBuffer *
gst_kate_enc_create_buffer (GstKateEnc * ke, kate_packet * kp,
kate_int64_t granpos, GstClockTime timestamp, GstClockTime duration,
gboolean header)
{
GstBuffer *buffer;
g_return_val_if_fail (kp != NULL, NULL);
g_return_val_if_fail (kp->data != NULL, NULL);
buffer = gst_buffer_new_allocate (NULL, kp->nbytes, NULL);
if (G_UNLIKELY (!buffer)) {
GST_WARNING_OBJECT (ke, "Failed to allocate buffer for %u bytes",
(guint) kp->nbytes);
return NULL;
}
gst_buffer_fill (buffer, 0, kp->data, kp->nbytes);
/* same system as other Ogg codecs, as per ext/ogg/README:
OFFSET_END is the granulepos
OFFSET is its time representation
*/
GST_BUFFER_OFFSET_END (buffer) = granpos;
GST_BUFFER_OFFSET (buffer) = timestamp;
GST_BUFFER_TIMESTAMP (buffer) = timestamp;
GST_BUFFER_DURATION (buffer) = duration;
return buffer;
}
static GstBuffer*
gst_cenc_decrypt_key_id_from_content_id(GstCencDecrypt * self, const gchar *content_id)
{
GstBuffer *kid;
GstMapInfo map;
gboolean failed=FALSE;
guint i,pos;
/*gchar *id_string;*/
if(!g_str_has_prefix (content_id, "urn:marlin:kid:")){
return NULL;
}
kid = gst_buffer_new_allocate (NULL, KID_LENGTH, NULL);
gst_buffer_map (kid, &map, GST_MAP_READWRITE);
for(i=0, pos=strlen("urn:marlin:kid:"); i<KID_LENGTH; ++i){
guint b;
if(!sscanf(&content_id[pos], "%02x", &b)){
failed=TRUE;
break;
}
map.data[i] = b;
pos += 2;
}
/*id_string = gst_cenc_create_uuid_string (map.data);
GST_DEBUG_OBJECT (self, "content_id=%s key=%s", content_id, id_string);
g_free (id_string);*/
gst_buffer_unmap (kid, &map);
if(failed){
gst_buffer_unref (kid);
kid=NULL;
}
return kid;
}
static void
cb_need_data (GstElement *appsrc,
guint unused_size,
gpointer user_data)
{
static gboolean white = FALSE;
static GstClockTime timestamp = 0;
GstBuffer *buffer;
guint size;
GstFlowReturn ret;
//g_print ("cb_need_data called!\n");
// sleep (1);
size = 385 * 288 * 2;
buffer = gst_buffer_new_allocate (NULL, size, NULL);
/* this makes the image black/white */
gst_buffer_memset (buffer, 0, white ? 0xff : 0x0, size);
white = !white;
// GST_BUFFER_PTS (buffer) = timestamp;
// GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale_int (1, GST_SECOND, 2);
// timestamp += GST_BUFFER_DURATION (buffer);
g_signal_emit_by_name (appsrc, "push-buffer", buffer, &ret);
if (ret != GST_FLOW_OK) {
/* something wrong, stop pushing */
g_main_loop_quit (loop);
}
}
/***********************************************************************************
* Push functions
***********************************************************************************/
static inline GstBuffer* packet_to_buffer(AVPacket *packet)
{
GstBuffer* result = gst_buffer_new_allocate(NULL, packet->size, NULL);
if (result != NULL)
gst_buffer_fill(result, 0, packet->data, packet->size);
return result;
}
static gboolean push_data (CustomData *data) {
static gboolean white = FALSE;
static GstClockTime timestamp = 0;
GstBuffer *buffer;
guint size;
GstFlowReturn ret;
// g_print ("cb_need_data called!\n");
#if 1
size = 385 * 288 * 2;
buffer = gst_buffer_new_allocate (NULL, size, NULL);
/* this makes the image black/white */
gst_buffer_memset (buffer, 0, white ? 0xff : 0x0, size);
white = !white;
// GST_BUFFER_PTS (buffer) = timestamp;
// GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale_int (1, GST_SECOND, 2);
timestamp += GST_BUFFER_DURATION (buffer);
g_print("uint64 timestamp: %" PRIu64 "\n", timestamp);
g_signal_emit_by_name (data->appsrc, "push-buffer", buffer, &ret);
if (ret != GST_FLOW_OK) {
/* something wrong, stop pushing */
g_main_loop_quit (loop);
}
#endif
return TRUE;
}
static GstFlowReturn
play_push_func (GstMidiParse * midiparse, GstMidiTrack * track,
guint8 event, guint8 * data, guint length, gpointer user_data)
{
GstBuffer *outbuf;
GstMapInfo info;
GstClockTime position;
outbuf = gst_buffer_new_allocate (NULL, length + 1, NULL);
gst_buffer_map (outbuf, &info, GST_MAP_WRITE);
info.data[0] = event;
if (length)
memcpy (&info.data[1], data, length);
gst_buffer_unmap (outbuf, &info);
position = midiparse->segment.position;
GST_BUFFER_PTS (outbuf) = position;
GST_BUFFER_DTS (outbuf) = position;
GST_DEBUG_OBJECT (midiparse, "pushing %" GST_TIME_FORMAT,
GST_TIME_ARGS (position));
if (midiparse->discont) {
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
midiparse->discont = FALSE;
}
return gst_pad_push (midiparse->srcpad, outbuf);
}
static GstFlowReturn
gst_dashdemux_http_src_create (GstTestHTTPSrc * src,
guint64 offset,
guint length, GstBuffer ** retbuf, gpointer context, gpointer user_data)
{
/* const GstDashDemuxTestInputData *input =
(const GstDashDemuxTestInputData *) user_data; */
const GstDashDemuxTestInputData *input =
(const GstDashDemuxTestInputData *) context;
GstBuffer *buf;
buf = gst_buffer_new_allocate (NULL, length, NULL);
fail_if (buf == NULL, "Not enough memory to allocate buffer");
if (input->payload) {
gst_buffer_fill (buf, 0, input->payload + offset, length);
} else {
GstMapInfo info;
guint pattern;
pattern = offset - offset % sizeof (pattern);
gst_buffer_map (buf, &info, GST_MAP_WRITE);
for (guint64 i = 0; i < length; ++i) {
gchar pattern_byte_to_write = (offset + i) % sizeof (pattern);
if (pattern_byte_to_write == 0) {
pattern = offset + i;
}
info.data[i] = (pattern >> (pattern_byte_to_write * 8)) & 0xFF;
}
gst_buffer_unmap (buf, &info);
}
*retbuf = buf;
return GST_FLOW_OK;
}
static gboolean
gst_validate_ssim_convert (GstValidateSsim * self, SSimConverterInfo * info,
GstVideoFrame * frame, GstVideoFrame * converted_frame)
{
gboolean res = TRUE;
GstBuffer *outbuf = NULL;
g_return_val_if_fail (info != NULL, FALSE);
outbuf = gst_buffer_new_allocate (NULL, info->out_info.size, NULL);
if (!gst_video_frame_map (converted_frame, &info->out_info, outbuf,
GST_MAP_WRITE)) {
GST_VALIDATE_REPORT (self, GENERAL_INPUT_ERROR,
"Could not map output converted_frame");
goto fail;
}
gst_video_converter_frame (info->converter, frame, converted_frame);
done:
if (outbuf)
gst_buffer_unref (outbuf);
return res;
fail:
res = FALSE;
goto done;
}
static GstFlowReturn
video_buffer_pool_alloc (GstBufferPool * pool, GstBuffer ** buffer,
GstBufferPoolAcquireParams * params)
{
GstVideoBufferPool *vpool = GST_VIDEO_BUFFER_POOL_CAST (pool);
GstVideoBufferPoolPrivate *priv = vpool->priv;
GstVideoInfo *info;
info = &priv->info;
GST_DEBUG_OBJECT (pool, "alloc %" G_GSIZE_FORMAT, info->size);
*buffer =
gst_buffer_new_allocate (priv->allocator, info->size, &priv->params);
if (*buffer == NULL)
goto no_memory;
if (priv->add_videometa) {
GST_DEBUG_OBJECT (pool, "adding GstVideoMeta");
gst_buffer_add_video_meta_full (*buffer, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_INFO_FORMAT (info),
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info),
GST_VIDEO_INFO_N_PLANES (info), info->offset, info->stride);
}
return GST_FLOW_OK;
/* ERROR */
no_memory:
{
GST_WARNING_OBJECT (pool, "can't create memory");
return GST_FLOW_ERROR;
}
}
static void gst_imx_ipu_blitter_init_dummy_black_buffer(GstImxIpuBlitter *ipu_blitter)
{
GstVideoInfo video_info;
gst_video_info_init(&video_info);
gst_video_info_set_format(&video_info, GST_VIDEO_FORMAT_RGBx, 64, 64);
ipu_blitter->dummy_black_buffer = gst_buffer_new_allocate(ipu_blitter->allocator, GST_VIDEO_INFO_SIZE(&video_info), NULL);
gst_buffer_memset(ipu_blitter->dummy_black_buffer, 0, 0, GST_VIDEO_INFO_SIZE(&video_info));
gst_buffer_add_video_meta_full(
ipu_blitter->dummy_black_buffer,
GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_INFO_FORMAT(&video_info),
GST_VIDEO_INFO_WIDTH(&video_info),
GST_VIDEO_INFO_HEIGHT(&video_info),
GST_VIDEO_INFO_N_PLANES(&video_info),
&(GST_VIDEO_INFO_PLANE_OFFSET(&video_info, 0)),
&(GST_VIDEO_INFO_PLANE_STRIDE(&video_info, 0))
);
{
GstImxPhysMemory *imx_phys_mem_mem = (GstImxPhysMemory *)gst_buffer_peek_memory(ipu_blitter->dummy_black_buffer, 0);
GstImxPhysMemMeta *phys_mem_meta = (GstImxPhysMemMeta *)GST_IMX_PHYS_MEM_META_ADD(ipu_blitter->dummy_black_buffer);
phys_mem_meta->phys_addr = imx_phys_mem_mem->phys_addr;
}
}
static gboolean
theora_enc_read_multipass_cache (GstTheoraEnc * enc)
{
GstBuffer *cache_buf;
const guint8 *cache_data;
gsize bytes_read = 0;
gssize bytes_consumed = 0;
GIOStatus stat = G_IO_STATUS_NORMAL;
gboolean done = FALSE;
while (!done) {
if (gst_adapter_available (enc->multipass_cache_adapter) == 0) {
GstMapInfo minfo;
cache_buf = gst_buffer_new_allocate (NULL, 512, NULL);
gst_buffer_map (cache_buf, &minfo, GST_MAP_WRITE);
stat = g_io_channel_read_chars (enc->multipass_cache_fd,
(gchar *) minfo.data, minfo.size, &bytes_read, NULL);
if (bytes_read <= 0) {
gst_buffer_unmap (cache_buf, &minfo);
gst_buffer_unref (cache_buf);
break;
} else {
gst_buffer_unmap (cache_buf, &minfo);
gst_buffer_resize (cache_buf, 0, bytes_read);
gst_adapter_push (enc->multipass_cache_adapter, cache_buf);
}
}
if (gst_adapter_available (enc->multipass_cache_adapter) == 0)
break;
bytes_read =
MIN (gst_adapter_available (enc->multipass_cache_adapter), 512);
cache_data = gst_adapter_map (enc->multipass_cache_adapter, bytes_read);
bytes_consumed =
th_encode_ctl (enc->encoder, TH_ENCCTL_2PASS_IN, (guint8 *) cache_data,
bytes_read);
gst_adapter_unmap (enc->multipass_cache_adapter);
done = bytes_consumed <= 0;
if (bytes_consumed > 0)
gst_adapter_flush (enc->multipass_cache_adapter, bytes_consumed);
}
if (stat == G_IO_STATUS_ERROR || (stat == G_IO_STATUS_EOF && bytes_read == 0)
|| bytes_consumed < 0) {
GST_ELEMENT_ERROR (enc, RESOURCE, READ, (NULL),
("Failed to read multipass cache file"));
return FALSE;
}
return TRUE;
}
static void* gst_imx_vpu_encoder_base_acquire_output_buffer(void *context, size_t size, void **acquired_handle)
{
GstImxVpuEncoderBase *vpu_encoder_base = (GstImxVpuEncoderBase *)(context);
GstBuffer *buffer = gst_buffer_new_allocate(NULL, size, NULL);
vpu_encoder_base->output_buffer = buffer;
gst_buffer_map(buffer, &(vpu_encoder_base->output_buffer_map_info), GST_MAP_WRITE);
GST_LOG_OBJECT(vpu_encoder_base, "acquired output buffer %p with %zu byte", (gpointer)buffer, size);
*acquired_handle = buffer;
return vpu_encoder_base->output_buffer_map_info.data;
}
static void
gst_fake_src_alloc_parent (GstFakeSrc * src)
{
GstBuffer *buf;
buf = gst_buffer_new_allocate (NULL, src->parentsize, NULL);
src->parent = buf;
src->parentoffset = 0;
}
void ofxGstRTPServer::newFrameDepth(ofShortPixels & pixels, GstClockTime timestamp, float pixel_size, float distance){
//unsigned long long time = ofGetElapsedTimeMicros();
// here we push new depth frames in the pipeline, it's important
// to timestamp them properly so gstreamer can sync them with the
// audio.
if(!appSrcDepth) return;
GstClockTime now = timestamp;
if(!depthAutoTimestamp){
if(now==GST_CLOCK_TIME_NONE){
now = getTimeStamp();
}
if(firstDepthFrame){
prevTimestampDepth = now;
firstDepthFrame = false;
return;
}
}
ofxDepthCompressedFrame frame = depthCompressor.newFrame(pixels,pixel_size,distance);
GstBuffer * buffer = gst_buffer_new_allocate(NULL,frame.compressedData().size()*sizeof(short),NULL);
GstMapInfo mapinfo;
gst_buffer_map(buffer,&mapinfo,GST_MAP_WRITE);
memcpy(mapinfo.data,&frame.compressedData()[0],frame.compressedData().size()*sizeof(short));
gst_buffer_unmap(buffer,&mapinfo);
// timestamp the buffer, right now we are using:
// timestamp = current pipeline time - base time
// duration = timestamp - previousTimeStamp
// the duration is actually the duration of the previous frame
// but should be accurate enough
if(!depthAutoTimestamp){
GST_BUFFER_OFFSET(buffer) = numFrameDepth++;
GST_BUFFER_OFFSET_END(buffer) = numFrameDepth;
GST_BUFFER_DTS (buffer) = now;
GST_BUFFER_PTS (buffer) = now;
GST_BUFFER_DURATION(buffer) = now-prevTimestampDepth;
prevTimestampDepth = now;
}
if(sendDepthKeyFrame){
//emitDepthKeyFrame();
}
// finally push the buffer into the pipeline through the appsrc element
GstFlowReturn flow_return = gst_app_src_push_buffer((GstAppSrc*)appSrcDepth, buffer);
if (flow_return != GST_FLOW_OK) {
ofLogError() << "error pushing depth buffer: flow_return was " << flow_return;
}
//cout << "sending depth buffer with " << pixels.getWidth() << "," << pixels.getHeight() << " csize: " << frame.compressedData().size() << endl;
//cout << ofGetElapsedTimeMicros() - time << endl;
}
static GstFlowReturn
default_alloc_buffer (GstBufferPool * pool, GstBuffer ** buffer,
GstBufferPoolAcquireParams * params)
{
GstBufferPoolPrivate *priv = pool->priv;
*buffer =
gst_buffer_new_allocate (priv->allocator, priv->size, &priv->params);
return GST_FLOW_OK;
}
static GstBufferList *
create_buffer_list (guint * data_size)
{
GstBufferList *list;
GstBuffer *rtp_buffer;
GstBuffer *data_buffer;
list = gst_buffer_list_new ();
/*** First group, i.e. first packet. **/
/* Create the RTP header buffer */
rtp_buffer = gst_buffer_new_allocate (NULL, RTP_HEADER_SIZE, NULL);
gst_buffer_memset (rtp_buffer, 0, 0, RTP_HEADER_SIZE);
/* Create the buffer that holds the payload */
data_buffer = gst_buffer_new_allocate (NULL, RTP_PAYLOAD_SIZE, NULL);
gst_buffer_memset (data_buffer, 0, 0, RTP_PAYLOAD_SIZE);
/* Create a new group to hold the rtp header and the payload */
gst_buffer_list_add (list, gst_buffer_append (rtp_buffer, data_buffer));
/*** Second group, i.e. second packet. ***/
/* Create the RTP header buffer */
rtp_buffer = gst_buffer_new_allocate (NULL, RTP_HEADER_SIZE, NULL);
gst_buffer_memset (rtp_buffer, 0, 0, RTP_HEADER_SIZE);
/* Create the buffer that holds the payload */
data_buffer = gst_buffer_new_allocate (NULL, RTP_PAYLOAD_SIZE, NULL);
gst_buffer_memset (data_buffer, 0, 0, RTP_PAYLOAD_SIZE);
/* Create a new group to hold the rtp header and the payload */
gst_buffer_list_add (list, gst_buffer_append (rtp_buffer, data_buffer));
/* Calculate the size of the data */
*data_size = 2 * RTP_HEADER_SIZE + 2 * RTP_PAYLOAD_SIZE;
return list;
}
static GstBuffer *
gst_x265_enc_get_header_buffer (GstX265Enc * encoder)
{
x265_nal *nal;
guint32 i_nal, i, offset;
gint32 vps_idx, sps_idx, pps_idx;
int header_return;
GstBuffer *buf;
header_return = x265_encoder_headers (encoder->x265enc, &nal, &i_nal);
if (header_return < 0) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, ("Encode x265 header failed."),
("x265_encoder_headers return code=%d", header_return));
return FALSE;
}
GST_DEBUG_OBJECT (encoder, "%d nal units in header", i_nal);
/* x265 returns also non header nal units with the call x265_encoder_headers.
* The usefull headers are sequential (VPS, SPS and PPS), so we look for this
* nal units and only copy these tree nal units as the header */
vps_idx = sps_idx = pps_idx = -1;
for (i = 0; i < i_nal; i++) {
if (nal[i].type == 32) {
vps_idx = i;
} else if (nal[i].type == 33) {
sps_idx = i;
} else if (nal[i].type == 34) {
pps_idx = i;
}
}
if (vps_idx == -1 || sps_idx == -1 || pps_idx == -1) {
GST_ELEMENT_ERROR (encoder, STREAM, ENCODE, ("Encode x265 header failed."),
("x265_encoder_headers did not return VPS, SPS and PPS"));
return FALSE;
}
offset = 0;
buf =
gst_buffer_new_allocate (NULL,
nal[vps_idx].sizeBytes + nal[sps_idx].sizeBytes + nal[pps_idx].sizeBytes,
NULL);
gst_buffer_fill (buf, offset, nal[vps_idx].payload, nal[vps_idx].sizeBytes);
offset += nal[vps_idx].sizeBytes;
gst_buffer_fill (buf, offset, nal[sps_idx].payload, nal[sps_idx].sizeBytes);
offset += nal[sps_idx].sizeBytes;
gst_buffer_fill (buf, offset, nal[pps_idx].payload, nal[pps_idx].sizeBytes);
return buf;
}
static GstBuffer *
gst_dtmf_src_generate_tone (GstDTMFSrcEvent * event, DTMF_KEY key,
float duration, gint sample_rate)
{
GstBuffer *buffer;
GstMapInfo map;
gint16 *p;
gint tone_size;
double i = 0;
double amplitude, f1, f2;
double volume_factor;
static GstAllocationParams params = { 0, 1, 0, 0, };
/* Create a buffer for the tone */
tone_size = ((duration / 1000) * sample_rate * SAMPLE_SIZE * CHANNELS) / 8;
buffer = gst_buffer_new_allocate (NULL, tone_size, ¶ms);
gst_buffer_map (buffer, &map, GST_MAP_READWRITE);
p = (gint16 *) map.data;
volume_factor = pow (10, (-event->volume) / 20);
/*
* For each sample point we calculate 'x' as the
* the amplitude value.
*/
for (i = 0; i < (tone_size / (SAMPLE_SIZE / 8)); i++) {
/*
* We add the fundamental frequencies together.
*/
f1 = sin (2 * M_PI * key.low_frequency * (event->sample / sample_rate));
f2 = sin (2 * M_PI * key.high_frequency * (event->sample / sample_rate));
amplitude = (f1 + f2) / 2;
/* Adjust the volume */
amplitude *= volume_factor;
/* Make the [-1:1] interval into a [-32767:32767] interval */
amplitude *= 32767;
/* Store it in the data buffer */
*(p++) = (gint16) amplitude;
(event->sample)++;
}
gst_buffer_unmap (buffer, &map);
return buffer;
}
static GstBuffer *
gst_audio_aggregator_create_output_buffer (GstAudioAggregator * aagg,
guint num_frames)
{
GstBuffer *outbuf = gst_buffer_new_allocate (NULL, num_frames *
GST_AUDIO_INFO_BPF (&aagg->info), NULL);
GstMapInfo outmap;
gst_buffer_map (outbuf, &outmap, GST_MAP_WRITE);
gst_audio_format_fill_silence (aagg->info.finfo, outmap.data, outmap.size);
gst_buffer_unmap (outbuf, &outmap);
return outbuf;
}
static GstBuffer* get_codec_extradata(AVCodecContext *codec)
{
GstBuffer *codec_data = NULL;
if (codec->extradata)
{
codec_data = gst_buffer_new_allocate(NULL, codec->extradata_size, NULL);
if (codec_data != NULL)
{
gst_buffer_fill(codec_data, 0, codec->extradata, codec->extradata_size);
}
}
return codec_data;
}
static void
check_correct_buffer (guint8 * src_data, guint src_size, guint8 * dst_data,
guint dst_size)
{
GstBuffer *buffer = gst_buffer_new_allocate (NULL, src_size, 0);
GstBuffer *newBuffer;
GstElement *avisubtitle = setup_avisubtitle ();
GstEvent *event;
fail_unless (g_list_length (buffers) == 0, "Buffers list needs to be empty");
gst_buffer_fill (buffer, 0, src_data, src_size);
fail_unless (gst_element_set_state (avisubtitle,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
ASSERT_BUFFER_REFCOUNT (buffer, "inbuffer", 1);
event = gst_event_new_seek (1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 2 * GST_SECOND, GST_SEEK_TYPE_SET, 5 * GST_SECOND);
fail_unless (gst_element_send_event (avisubtitle, event) == FALSE,
"Seeking is not possible when there is no buffer yet");
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK,
"not accepted a correct buffer");
/* we gave away our reference to the buffer, don't assume anything */
buffer = NULL;
/* a new buffer is created in the list */
fail_unless (g_list_length (buffers) == 1,
"No new buffer in the buffers list");
event = gst_event_new_seek (1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 2 * GST_SECOND, GST_SEEK_TYPE_SET, 5 * GST_SECOND);
fail_unless (gst_element_send_event (avisubtitle, event) == TRUE,
"seeking should be working now");
fail_unless (g_list_length (buffers) == 2,
"After seeking we need another buffer in the buffers");
newBuffer = GST_BUFFER (buffers->data);
buffers = g_list_remove (buffers, newBuffer);
fail_unless (g_list_length (buffers) == 1, "Buffers list needs to be empty");
fail_unless (gst_buffer_get_size (newBuffer) == dst_size,
"size of the new buffer is wrong ( %d != %d)",
gst_buffer_get_size (newBuffer), dst_size);
fail_unless (gst_buffer_memcmp (newBuffer, 0, dst_data, dst_size) == 0,
"data of the buffer is not correct");
gst_buffer_unref (newBuffer);
/* free the buffer from seeking */
gst_buffer_unref (GST_BUFFER (buffers->data));
buffers = g_list_remove (buffers, buffers->data);
fail_unless (gst_element_set_state (avisubtitle,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
cleanup_avisubtitle (avisubtitle);
}
static GstFlowReturn
gst_hlsdemux_test_src_create (GstTestHTTPSrc * src,
guint64 offset,
guint length, GstBuffer ** retbuf, gpointer context, gpointer user_data)
{
GstBuffer *buf;
/* const GstHlsDemuxTestCase *test_case = (const GstHlsDemuxTestCase *) user_data; */
GstHlsDemuxTestInputData *input = (GstHlsDemuxTestInputData *) context;
buf = gst_buffer_new_allocate (NULL, length, NULL);
fail_if (buf == NULL, "Not enough memory to allocate buffer");
fail_if (input->payload == NULL);
gst_buffer_fill (buf, 0, input->payload + offset, length);
*retbuf = buf;
return GST_FLOW_OK;
}
/* Update the buffer used to draw black borders. When we have viewporter
* support, this is a scaled up 1x1 image, and without we need an black image
* the size of the rendering areay. */
static void
gst_wl_window_update_borders (GstWlWindow * window)
{
GstVideoFormat format;
GstVideoInfo info;
gint width, height;
GstBuffer *buf;
struct wl_buffer *wlbuf;
GstWlBuffer *gwlbuf;
GstAllocator *alloc;
if (window->no_border_update)
return;
if (window->display->viewporter) {
width = height = 1;
window->no_border_update = TRUE;
} else {
width = window->render_rectangle.w;
height = window->render_rectangle.h;
}
/* we want WL_SHM_FORMAT_XRGB8888 */
#if G_BYTE_ORDER == G_BIG_ENDIAN
format = GST_VIDEO_FORMAT_xRGB;
#else
format = GST_VIDEO_FORMAT_BGRx;
#endif
/* draw the area_subsurface */
gst_video_info_set_format (&info, format, width, height);
alloc = gst_wl_shm_allocator_get ();
buf = gst_buffer_new_allocate (alloc, info.size, NULL);
gst_buffer_memset (buf, 0, 0, info.size);
wlbuf =
gst_wl_shm_memory_construct_wl_buffer (gst_buffer_peek_memory (buf, 0),
window->display, &info);
gwlbuf = gst_buffer_add_wl_buffer (buf, wlbuf, window->display);
gst_wl_buffer_attach (gwlbuf, window->area_surface_wrapper);
/* at this point, the GstWlBuffer keeps the buffer
* alive and will free it on wl_buffer::release */
gst_buffer_unref (buf);
g_object_unref (alloc);
}
static GstBuffer *
gst_core_media_buffer_new_from_buffer (GstBuffer * buf, GstVideoInfo * info)
{
gboolean ret;
GstBuffer *copy_buf;
GstVideoFrame dest, src;
GstAllocator *allocator;
allocator = gst_allocator_find (GST_ALLOCATOR_SYSMEM);
if (!allocator) {
GST_ERROR ("Could not find SYSMEM allocator");
return NULL;
}
copy_buf = gst_buffer_new_allocate (allocator, info->size, NULL);
gst_object_unref (allocator);
if (!gst_video_frame_map (&dest, info, copy_buf, GST_MAP_WRITE)) {
GST_ERROR ("Could not map destination frame");
goto error;
}
if (!gst_video_frame_map (&src, info, buf, GST_MAP_READ)) {
GST_ERROR ("Could not map source frame");
gst_video_frame_unmap (&dest);
goto error;
}
ret = gst_video_frame_copy (&dest, &src);
gst_video_frame_unmap (&dest);
gst_video_frame_unmap (&src);
if (!ret) {
GST_ERROR ("Could not copy frame");
goto error;
}
return copy_buf;
error:
if (copy_buf) {
gst_buffer_unref (copy_buf);
}
return NULL;
}
void GStreamerReader::CopyIntoImageBuffer(GstBuffer* aBuffer,
GstBuffer** aOutBuffer,
nsRefPtr<PlanarYCbCrImage> &image)
{
*aOutBuffer = gst_buffer_new_allocate(mAllocator, gst_buffer_get_size(aBuffer), nullptr);
GstMemory *mem = gst_buffer_peek_memory(*aOutBuffer, 0);
GstMapInfo map_info;
gst_memory_map(mem, &map_info, GST_MAP_WRITE);
gst_buffer_extract(aBuffer, 0, map_info.data, gst_buffer_get_size(aBuffer));
gst_memory_unmap(mem, &map_info);
/* create a new gst buffer with the newly created memory and copy the
* metadata over from the incoming buffer */
gst_buffer_copy_into(*aOutBuffer, aBuffer,
(GstBufferCopyFlags)(GST_BUFFER_COPY_METADATA), 0, -1);
image = GetImageFromBuffer(*aOutBuffer);
}
/* called when a new media pipeline is constructed. We can query the
* pipeline and configure our appsrc */
void ReStream::media_configure_feature (GstRTSPMediaFactory * factory, GstRTSPMedia * media, gpointer user_data)
{
try{
GstElement *element, *appsrc;
struct MyContext *ctx = (struct MyContext *)user_data;
element = gst_rtsp_media_get_element (media);
appsrc = gst_bin_get_by_name_recurse_up (GST_BIN (element), "mysrc");
gst_util_set_object_arg (G_OBJECT (appsrc), "format", "time");
g_object_set (G_OBJECT (appsrc), "caps",
gst_caps_new_simple ("video/x-raw",
"format", G_TYPE_STRING, "BGR",
"width", G_TYPE_INT, ctx->width,
"height", G_TYPE_INT,ctx->height,
"framerate", GST_TYPE_FRACTION, FPS, 1, NULL),NULL );
//ctx->white = FALSE;
ctx->timestamp = 0;
ctx->buffer = gst_buffer_new_allocate (NULL, ctx->height * ctx->width*3 , NULL);
gst_buffer_map (ctx->buffer, &ctx->map, GST_MAP_WRITE);
/* make sure ther datais freed when the media is gone */
//g_object_set_data_full (G_OBJECT (media), "my-extra-data", ctx, (GDestroyNotify) g_free);
g_signal_connect (appsrc, "need-data", (GCallback)need_data_feature, ctx);
g_signal_connect (media, "unprepared", (GCallback)unprepared_feature, ctx);
if ( ISDEBUG )
cout<<"media prepared_feature\n";
gst_object_unref (appsrc);
gst_object_unref (element);
}
catch(Exception &e){
CommonClass localcommclass;
localcommclass.PrintException("ReStream","CV::media_configure_feature",e);
}
catch(exception &e){
CommonClass localcommclass;
localcommclass.PrintException("ReStream","STD::media_configure_feature",e);
}
}
static GstFlowReturn
produce_samples (GstFluidDec * fluiddec, GstClockTime pts, guint64 sample)
{
GstClockTime duration, timestamp;
guint64 samples, offset;
GstMapInfo info;
GstBuffer *outbuf;
samples = sample - fluiddec->last_sample;
duration = pts - fluiddec->last_pts;
offset = fluiddec->last_sample;
timestamp = fluiddec->last_pts;
fluiddec->last_pts = pts;
fluiddec->last_sample = sample;
if (samples == 0)
return GST_FLOW_OK;
GST_DEBUG_OBJECT (fluiddec, "duration %" GST_TIME_FORMAT
", samples %" G_GUINT64_FORMAT, GST_TIME_ARGS (duration), samples);
outbuf = gst_buffer_new_allocate (NULL, samples * FLUID_DEC_BPS, NULL);
gst_buffer_map (outbuf, &info, GST_MAP_WRITE);
fluid_synth_write_float (fluiddec->synth, samples, info.data, 0, 2,
info.data, 1, 2);
gst_buffer_unmap (outbuf, &info);
GST_BUFFER_DTS (outbuf) = timestamp;
GST_BUFFER_PTS (outbuf) = timestamp;
GST_BUFFER_DURATION (outbuf) = duration;
GST_BUFFER_OFFSET (outbuf) = offset;
GST_BUFFER_OFFSET_END (outbuf) = offset + samples;
if (fluiddec->discont) {
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
fluiddec->discont = FALSE;
}
return gst_pad_push (fluiddec->srcpad, outbuf);
}
static GstFlowReturn
gst_mpg123_audio_dec_push_decoded_bytes (GstMpg123AudioDec * mpg123_decoder,
unsigned char const *decoded_bytes, size_t const num_decoded_bytes)
{
GstBuffer *output_buffer;
GstFlowReturn alloc_error;
GstAudioDecoder *dec;
output_buffer = NULL;
dec = GST_AUDIO_DECODER (mpg123_decoder);
if ((num_decoded_bytes == 0) || (decoded_bytes == NULL)) {
/* This occurs in the first few frames, which do not carry data; once MPG123_AUDIO_DEC_NEW_FORMAT is received, the empty frames stop occurring */
GST_TRACE_OBJECT (mpg123_decoder,
"Nothing was decoded -> no output buffer to push");
return GST_FLOW_OK;
}
output_buffer = gst_buffer_new_allocate (NULL, num_decoded_bytes, NULL);
alloc_error = (output_buffer == NULL) ? GST_FLOW_ERROR : GST_FLOW_OK;
if (alloc_error != GST_FLOW_OK) {
/* This is necessary to advance playback in time, even when nothing was decoded. */
return gst_audio_decoder_finish_frame (dec, NULL, 1);
} else {
GstMapInfo info;
if (gst_buffer_map (output_buffer, &info, GST_MAP_WRITE)) {
if (info.size != num_decoded_bytes)
GST_ERROR_OBJECT (mpg123_decoder,
"Mapped memory region has size %u instead of expected size %u",
info.size, num_decoded_bytes);
else
memcpy (info.data, decoded_bytes, num_decoded_bytes);
gst_buffer_unmap (output_buffer, &info);
} else
GST_ERROR_OBJECT (mpg123_decoder, "Could not map buffer");
return gst_audio_decoder_finish_frame (dec, output_buffer, 1);
}
}
