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 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 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);
}
}
static void
check_filter_caps (const gchar * name, GstEvent * event, GstCaps * caps,
gint size, gint num_buffers, const gchar * prop, va_list varargs)
{
GstElement *filter;
GstBuffer *inbuffer, *outbuffer;
gint i;
GstSegment segment;
filter = setup_filter (name, prop, varargs);
fail_unless (gst_element_set_state (filter,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
gst_check_setup_events (mysrcpad, filter, caps, GST_FORMAT_TIME);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
if (event)
fail_unless (gst_pad_push_event (mysrcpad, event));
for (i = 0; i < num_buffers; ++i) {
inbuffer = gst_buffer_new_and_alloc (size);
/* makes valgrind's memcheck happier */
gst_buffer_memset (inbuffer, 0, 0, size);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
}
fail_unless (g_list_length (buffers) == num_buffers);
/* clean up buffers */
for (i = 0; i < num_buffers; ++i) {
outbuffer = GST_BUFFER (buffers->data);
fail_if (outbuffer == NULL);
switch (i) {
case 0:
fail_unless (gst_buffer_get_size (outbuffer) == size);
/* no check on filter operation itself */
break;
default:
break;
}
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
gst_buffer_unref (outbuffer);
outbuffer = NULL;
}
cleanup_filter (filter);
g_list_free (buffers);
buffers = NULL;
}
static GstBuffer *
gst_cd_foo_src_read_sector (GstAudioCdSrc * audiocdsrc, gint sector)
{
GstBuffer *buf;
buf = gst_buffer_new_and_alloc (CD_FRAMESIZE_RAW);
gst_buffer_memset (buf, 0, 0, CD_FRAMESIZE_RAW);
return buf;
}
static GstFlowReturn
gst_codec_src_create (GstPushSrc * src, GstBuffer ** p_buf)
{
GstBuffer *buf;
buf = gst_buffer_new_and_alloc (20);
gst_buffer_memset (buf, 0, 0, 20);
*p_buf = buf;
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;
}
/* push a random block of audio of the given size */
static void
push_data (gint size, GstFlowReturn expected_return)
{
GstBuffer *buffer;
GstFlowReturn res;
buffer = gst_buffer_new_and_alloc (size);
/* make valgrind happier */
gst_buffer_memset (buffer, 0, 0, size);
res = gst_pad_push (srcpad, buffer);
fail_unless (res == expected_return,
"pushing audio returned %d (%s) not %d (%s)", res,
gst_flow_get_name (res), expected_return,
gst_flow_get_name (expected_return));
}
/* 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 gpointer
push_vbuffers (gpointer data)
{
GstSegment segment;
GstPad *pad = data;
gint i;
GstClockTime timestamp = 0;
if (videodelay)
g_usleep (2000);
if (late_video)
timestamp = 50 * GST_MSECOND;
gst_pad_send_event (pad, gst_event_new_stream_start ("test"));
gst_segment_init (&segment, GST_FORMAT_TIME);
gst_pad_send_event (pad, gst_event_new_segment (&segment));
for (i = 0; i < n_vbuffers; i++) {
GstBuffer *buf = gst_buffer_new_and_alloc (1000);
GstClockTime *rtime = g_new (GstClockTime, 1);
gst_buffer_memset (buf, 0, i, 1);
GST_BUFFER_TIMESTAMP (buf) = timestamp;
timestamp += 25 * GST_MSECOND;
GST_BUFFER_DURATION (buf) = timestamp - GST_BUFFER_TIMESTAMP (buf);
*rtime = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, timestamp);
g_queue_push_tail (&v_timestamp_q, rtime);
if (i == 4) {
if (video_gaps)
timestamp += 10 * GST_MSECOND;
else if (video_overlaps)
timestamp -= 10 * GST_MSECOND;
}
fail_unless (gst_pad_chain (pad, buf) == GST_FLOW_OK);
}
gst_pad_send_event (pad, gst_event_new_eos ());
return NULL;
}
static void
live_switch_push (int rate, GstCaps * caps)
{
GstBuffer *inbuffer;
GstCaps *desired;
GList *l;
desired = gst_caps_copy (caps);
gst_caps_set_simple (desired, "rate", G_TYPE_INT, rate, NULL);
gst_pad_set_caps (mysrcpad, desired);
#if 0
fail_unless (gst_pad_alloc_buffer_and_set_caps (mysrcpad,
GST_BUFFER_OFFSET_NONE, rate * 4, desired, &inbuffer) == GST_FLOW_OK);
#endif
inbuffer = gst_buffer_new_and_alloc (rate * 4);
gst_buffer_memset (inbuffer, 0, 0, rate * 4);
GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_OFFSET (inbuffer) = 0;
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... but it ends up being collected on the global buffer list */
fail_unless_equals_int (g_list_length (buffers), 1);
for (l = buffers; l; l = l->next) {
GstBuffer *buffer = GST_BUFFER (l->data);
gst_buffer_unref (buffer);
}
g_list_free (buffers);
buffers = NULL;
gst_caps_unref (desired);
}
/* called when we need to give data to appsrc */
static void
need_data (GstElement * appsrc, guint unused, MyContext * ctx)
{
GstBuffer *buffer;
guint size;
GstFlowReturn ret;
size = 385 * 288 * 2;
buffer = gst_buffer_new_allocate (NULL, size, NULL);
/* this makes the image black/white */
gst_buffer_memset (buffer, 0, ctx->white ? 0xff : 0x0, size);
ctx->white = !ctx->white;
/* get timestamp from clock */
//ctx->timestamp = gst_clock_get_time (global_clock);
g_print("Time is: %"G_GUINT64_FORMAT" \n", ctx->timestamp);
//remove basetime
//ctx->timestamp -= gst_element_get_base_time (GST_ELEMENT (appsrc));
GST_BUFFER_PTS (buffer) = ctx->timestamp;
g_print("PTS: %"G_GUINT64_FORMAT" BASETIME %"G_GUINT64_FORMAT" SUM %"G_GUINT64_FORMAT " \n", ctx->timestamp, gst_element_get_base_time(appsrc),
( ctx->timestamp) + ( gst_element_get_base_time(appsrc)));
GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale_int (1, GST_SECOND, 2);
ctx->timestamp += GST_BUFFER_DURATION (buffer);
g_signal_emit_by_name (appsrc, "push-buffer", buffer, &ret);
}
static GstFlowReturn
gst_rtp_asf_pay_handle_packet (GstRtpAsfPay * rtpasfpay, GstBuffer * buffer)
{
GstRTPBasePayload *rtppay;
GstAsfPacketInfo *packetinfo;
guint8 flags;
guint8 *data;
guint32 packet_util_size;
guint32 packet_offset;
guint32 size_left;
GstFlowReturn ret = GST_FLOW_OK;
rtppay = GST_RTP_BASE_PAYLOAD (rtpasfpay);
packetinfo = &rtpasfpay->packetinfo;
if (!gst_asf_parse_packet (buffer, packetinfo, TRUE,
rtpasfpay->asfinfo.packet_size)) {
GST_ERROR_OBJECT (rtpasfpay, "Error while parsing asf packet");
gst_buffer_unref (buffer);
return GST_FLOW_ERROR;
}
if (packetinfo->packet_size == 0)
packetinfo->packet_size = rtpasfpay->asfinfo.packet_size;
GST_LOG_OBJECT (rtpasfpay, "Packet size: %" G_GUINT32_FORMAT
", padding: %" G_GUINT32_FORMAT, packetinfo->packet_size,
packetinfo->padding);
/* update padding field to 0 */
if (packetinfo->padding > 0) {
GstAsfPacketInfo info;
/* find padding field offset */
guint offset = packetinfo->err_cor_len + 2 +
gst_asf_get_var_size_field_len (packetinfo->packet_field_type) +
gst_asf_get_var_size_field_len (packetinfo->seq_field_type);
buffer = gst_buffer_make_writable (buffer);
switch (packetinfo->padd_field_type) {
case ASF_FIELD_TYPE_DWORD:
gst_buffer_memset (buffer, offset, 0, 4);
break;
case ASF_FIELD_TYPE_WORD:
gst_buffer_memset (buffer, offset, 0, 2);
break;
case ASF_FIELD_TYPE_BYTE:
gst_buffer_memset (buffer, offset, 0, 1);
break;
case ASF_FIELD_TYPE_NONE:
default:
break;
}
gst_asf_parse_packet (buffer, &info, FALSE, 0);
}
if (packetinfo->padding != 0)
packet_util_size = rtpasfpay->asfinfo.packet_size - packetinfo->padding;
else
packet_util_size = packetinfo->packet_size;
packet_offset = 0;
while (packet_util_size > 0) {
/* Even if we don't fill completely an output buffer we
* push it when we add an fragment. Because it seems that
* it is not possible to determine where a asf packet
* fragment ends inside a rtp packet payload.
* This flag tells us to push the packet.
*/
gboolean force_push = FALSE;
GstRTPBuffer rtp = GST_RTP_BUFFER_INIT;
/* we have no output buffer pending, create one */
if (rtpasfpay->current == NULL) {
GST_LOG_OBJECT (rtpasfpay, "Creating new output buffer");
rtpasfpay->current =
gst_rtp_buffer_new_allocate_len (GST_RTP_BASE_PAYLOAD_MTU (rtpasfpay),
0, 0);
rtpasfpay->cur_off = 0;
rtpasfpay->has_ts = FALSE;
rtpasfpay->marker = FALSE;
}
gst_rtp_buffer_map (rtpasfpay->current, GST_MAP_READWRITE, &rtp);
data = gst_rtp_buffer_get_payload (&rtp);
data += rtpasfpay->cur_off;
size_left = gst_rtp_buffer_get_payload_len (&rtp) - rtpasfpay->cur_off;
GST_DEBUG_OBJECT (rtpasfpay, "Input buffer bytes consumed: %"
G_GUINT32_FORMAT "/%" G_GSIZE_FORMAT, packet_offset,
gst_buffer_get_size (buffer));
GST_DEBUG_OBJECT (rtpasfpay, "Output rtpbuffer status");
GST_DEBUG_OBJECT (rtpasfpay, "Current offset: %" G_GUINT32_FORMAT,
rtpasfpay->cur_off);
GST_DEBUG_OBJECT (rtpasfpay, "Size left: %" G_GUINT32_FORMAT, size_left);
GST_DEBUG_OBJECT (rtpasfpay, "Has ts: %s",
rtpasfpay->has_ts ? "yes" : "no");
if (rtpasfpay->has_ts) {
GST_DEBUG_OBJECT (rtpasfpay, "Ts: %" G_GUINT32_FORMAT, rtpasfpay->ts);
}
flags = 0;
if (packetinfo->has_keyframe) {
flags = flags | 0x80;
}
flags = flags | 0x20; /* Relative timestamp is present */
if (!rtpasfpay->has_ts) {
/* this is the first asf packet, its send time is the
* rtp packet timestamp */
rtpasfpay->has_ts = TRUE;
rtpasfpay->ts = packetinfo->send_time;
}
if (size_left >= packet_util_size + 8) {
/* enough space for the rest of the packet */
if (packet_offset == 0) {
flags = flags | 0x40;
GST_WRITE_UINT24_BE (data + 1, packet_util_size);
} else {
GST_WRITE_UINT24_BE (data + 1, packet_offset);
force_push = TRUE;
}
data[0] = flags;
GST_WRITE_UINT32_BE (data + 4,
(gint32) (packetinfo->send_time) - (gint32) rtpasfpay->ts);
gst_buffer_extract (buffer, packet_offset, data + 8, packet_util_size);
/* updating status variables */
rtpasfpay->cur_off += 8 + packet_util_size;
size_left -= packet_util_size + 8;
packet_offset += packet_util_size;
packet_util_size = 0;
rtpasfpay->marker = TRUE;
} else {
/* fragment packet */
data[0] = flags;
GST_WRITE_UINT24_BE (data + 1, packet_offset);
GST_WRITE_UINT32_BE (data + 4,
(gint32) (packetinfo->send_time) - (gint32) rtpasfpay->ts);
gst_buffer_extract (buffer, packet_offset, data + 8, size_left - 8);
/* updating status variables */
rtpasfpay->cur_off += size_left;
packet_offset += size_left - 8;
packet_util_size -= size_left - 8;
size_left = 0;
force_push = TRUE;
}
/* there is not enough room for any more buffers */
if (force_push || size_left <= 8) {
gst_rtp_buffer_set_ssrc (&rtp, rtppay->current_ssrc);
gst_rtp_buffer_set_marker (&rtp, rtpasfpay->marker);
gst_rtp_buffer_set_payload_type (&rtp, GST_RTP_BASE_PAYLOAD_PT (rtppay));
gst_rtp_buffer_set_seq (&rtp, rtppay->seqnum + 1);
gst_rtp_buffer_set_timestamp (&rtp, packetinfo->send_time);
gst_rtp_buffer_unmap (&rtp);
/* trim remaining bytes not used */
if (size_left != 0) {
gst_buffer_set_size (rtpasfpay->current,
gst_buffer_get_size (rtpasfpay->current) - size_left);
}
GST_BUFFER_TIMESTAMP (rtpasfpay->current) = GST_BUFFER_TIMESTAMP (buffer);
rtppay->seqnum++;
rtppay->timestamp = packetinfo->send_time;
GST_DEBUG_OBJECT (rtpasfpay, "Pushing rtp buffer");
ret = gst_rtp_base_payload_push (rtppay, rtpasfpay->current);
rtpasfpay->current = NULL;
if (ret != GST_FLOW_OK) {
gst_buffer_unref (buffer);
return ret;
}
}
}
gst_buffer_unref (buffer);
return ret;
}
static void
test_video_profile (const gchar * profile, gint profile_id,
const gchar * input_format)
{
GstElement *x264enc;
GstBuffer *inbuffer, *outbuffer;
int i, num_buffers;
x264enc = setup_x264enc (profile, "avc", input_format);
fail_unless (gst_element_set_state (x264enc,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
/* corresponds to I420 buffer for the size mentioned in the caps */
if (!strcmp (input_format, "I420"))
inbuffer = gst_buffer_new_and_alloc (384 * 288 * 3 / 2);
else if (!strcmp (input_format, "Y42B"))
inbuffer = gst_buffer_new_and_alloc (384 * 288 * 2);
else if (!strcmp (input_format, "Y444"))
inbuffer = gst_buffer_new_and_alloc (384 * 288 * 3);
else
g_assert_not_reached ();
/* makes valgrind's memcheck happier */
gst_buffer_memset (inbuffer, 0, 0, -1);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* send eos to have all flushed if needed */
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()) == TRUE);
num_buffers = g_list_length (buffers);
fail_unless (num_buffers == 1);
/* check output caps */
{
GstCaps *outcaps;
outcaps = gst_pad_get_current_caps (mysinkpad);
check_caps (outcaps, profile, profile_id);
gst_caps_unref (outcaps);
}
/* clean up buffers */
for (i = 0; i < num_buffers; ++i) {
outbuffer = GST_BUFFER (buffers->data);
fail_if (outbuffer == NULL);
switch (i) {
case 0:
{
gint nsize, npos, j, type, next_type;
GstMapInfo map;
const guint8 *data;
gsize size;
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
data = map.data;
size = map.size;
npos = 0;
j = 0;
/* need SPS first */
next_type = 7;
/* loop through NALs */
while (npos < size) {
fail_unless (size - npos >= 4);
nsize = GST_READ_UINT32_BE (data + npos);
fail_unless (nsize > 0);
fail_unless (npos + 4 + nsize <= size);
type = data[npos + 4] & 0x1F;
/* check the first NALs, disregard AU (9), SEI (6) */
if (type != 9 && type != 6) {
fail_unless (type == next_type);
switch (type) {
case 7:
/* SPS */
next_type = 8;
break;
case 8:
/* PPS */
next_type = 5;
break;
default:
break;
}
j++;
}
npos += nsize + 4;
}
gst_buffer_unmap (outbuffer, &map);
/* should have reached the exact end */
fail_unless (npos == size);
break;
}
default:
break;
}
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
gst_buffer_unref (outbuffer);
outbuffer = NULL;
}
cleanup_x264enc (x264enc);
g_list_free (buffers);
buffers = NULL;
}
static gboolean
gst_rtp_dv_depay_setcaps (GstRTPBaseDepayload * depayload, GstCaps * caps)
{
GstStructure *structure;
GstRTPDVDepay *rtpdvdepay;
GstCaps *srccaps;
gint clock_rate;
gboolean systemstream, ret;
const gchar *encode, *media;
rtpdvdepay = GST_RTP_DV_DEPAY (depayload);
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "clock-rate", &clock_rate))
clock_rate = 90000; /* default */
depayload->clock_rate = clock_rate;
/* we really need the encode property to figure out the frame size, it's also
* required by the spec */
if (!(encode = gst_structure_get_string (structure, "encode")))
goto no_encode;
/* figure out the size of one frame */
if (!parse_encode (rtpdvdepay, encode))
goto unknown_encode;
/* check the media, this tells us that the stream has video or not */
if (!(media = gst_structure_get_string (structure, "media")))
goto no_media;
systemstream = FALSE;
if (!strcmp (media, "audio")) {
/* we need a demuxer for audio only */
systemstream = TRUE;
} else if (!strcmp (media, "video")) {
const gchar *audio;
/* check the optional audio field, if it's present and set to bundled, we
* are dealing with a system stream. */
if ((audio = gst_structure_get_string (structure, "audio"))) {
if (!strcmp (audio, "bundled"))
systemstream = TRUE;
}
}
/* allocate accumulator */
rtpdvdepay->acc = gst_buffer_new_and_alloc (rtpdvdepay->frame_size);
/* Initialize the new accumulator frame.
* If the previous frame exists, copy that into the accumulator frame.
* This way, missing packets in the stream won't show up badly. */
gst_buffer_memset (rtpdvdepay->acc, 0, 0, rtpdvdepay->frame_size);
srccaps = gst_caps_new_simple ("video/x-dv",
"systemstream", G_TYPE_BOOLEAN, systemstream,
"width", G_TYPE_INT, rtpdvdepay->width,
"height", G_TYPE_INT, rtpdvdepay->height,
"framerate", GST_TYPE_FRACTION, rtpdvdepay->rate_num,
rtpdvdepay->rate_denom, NULL);
ret = gst_pad_set_caps (depayload->srcpad, srccaps);
gst_caps_unref (srccaps);
return ret;
/* ERRORS */
no_encode:
{
GST_ERROR_OBJECT (rtpdvdepay, "required encode property not found in caps");
return FALSE;
}
unknown_encode:
{
GST_ERROR_OBJECT (rtpdvdepay, "unknown encode property %s found", encode);
return FALSE;
}
no_media:
{
GST_ERROR_OBJECT (rtpdvdepay, "required media property not found in caps");
return FALSE;
}
}
static gpointer
push_abuffers (gpointer data)
{
GstSegment segment;
GstPad *pad = data;
gint i, j, k;
GstClockTime timestamp = 0;
GstAudioInfo info;
GstCaps *caps;
guint buf_size = 1000;
if (audiodelay)
g_usleep (2000);
if (early_video)
timestamp = 50 * GST_MSECOND;
gst_pad_send_event (pad, gst_event_new_stream_start ("test"));
gst_audio_info_set_format (&info, GST_AUDIO_FORMAT_S8, buf_size, channels,
NULL);
caps = gst_audio_info_to_caps (&info);
gst_pad_send_event (pad, gst_event_new_caps (caps));
gst_caps_unref (caps);
gst_segment_init (&segment, GST_FORMAT_TIME);
gst_pad_send_event (pad, gst_event_new_segment (&segment));
for (i = 0; i < n_abuffers; i++) {
GstBuffer *buf = gst_buffer_new_and_alloc (channels * buf_size);
if (per_channel) {
GstMapInfo map;
guint8 *in_data;
gst_buffer_map (buf, &map, GST_MAP_WRITE);
in_data = map.data;
for (j = 0; j < buf_size; j++) {
for (k = 0; k < channels; k++) {
in_data[j * channels + k] = fill_value_per_channel[k];
}
}
gst_buffer_unmap (buf, &map);
} else {
gst_buffer_memset (buf, 0, fill_value, channels * buf_size);
}
GST_BUFFER_TIMESTAMP (buf) = timestamp;
timestamp += 1 * GST_SECOND;
if (audio_drift)
timestamp += 50 * GST_MSECOND;
else if (i == 4 && audio_nondiscont)
timestamp += 30 * GST_MSECOND;
GST_BUFFER_DURATION (buf) = timestamp - GST_BUFFER_TIMESTAMP (buf);
fail_unless (gst_pad_chain (pad, buf) == GST_FLOW_OK);
}
gst_pad_send_event (pad, gst_event_new_eos ());
return NULL;
}
