/**
* gst_clock_get_internal_time:
* @clock: a #GstClock to query
*
* Gets the current internal time of the given clock. The time is returned
* unadjusted for the offset and the rate.
*
* Returns: the internal time of the clock. Or GST_CLOCK_TIME_NONE when
* given invalid input.
*
* MT safe.
*/
GstClockTime
gst_clock_get_internal_time (GstClock * clock)
{
GstClockTime ret;
GstClockClass *cclass;
g_return_val_if_fail (GST_IS_CLOCK (clock), GST_CLOCK_TIME_NONE);
if (G_UNLIKELY (GST_OBJECT_FLAG_IS_SET (clock,
GST_CLOCK_FLAG_NEEDS_STARTUP_SYNC) && !clock->priv->synced))
GST_CAT_WARNING_OBJECT (GST_CAT_CLOCK, clock,
"clocked is not synchronized yet");
cclass = GST_CLOCK_GET_CLASS (clock);
if (G_UNLIKELY (cclass->get_internal_time == NULL))
goto not_supported;
ret = cclass->get_internal_time (clock);
GST_CAT_DEBUG_OBJECT (GST_CAT_CLOCK, clock, "internal time %" GST_TIME_FORMAT,
GST_TIME_ARGS (ret));
return ret;
/* ERRORS */
not_supported:
{
GST_CAT_DEBUG_OBJECT (GST_CAT_CLOCK, clock,
"internal time not supported, return 0");
return G_GINT64_CONSTANT (0);
}
}
static void
gst_waveform_sink_reset (GstAudioSink * asink)
{
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
MMRESULT mmresult = waveOutReset (wfsink->hwaveout);
if (mmresult != MMSYSERR_NOERROR) {
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
"gst_waveform_sink_reset: Error reseting waveform-audio device => %s",
wfsink->error_string);
}
}
static gboolean
gst_waveform_sink_unprepare (GstAudioSink * asink)
{
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
/* free wave buffers */
if (wfsink->wave_buffers) {
guint index;
for (index = 0; index < wfsink->buffer_count; index++) {
if (wfsink->wave_buffers[index].dwFlags & WHDR_PREPARED) {
MMRESULT mmresult =
waveOutUnprepareHeader (wfsink->hwaveout,
&wfsink->wave_buffers[index], sizeof (WAVEHDR));
if (mmresult != MMSYSERR_NOERROR) {
waveOutGetErrorText (mmresult, wfsink->error_string,
ERROR_LENGTH - 1);
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
"gst_waveform_sink_unprepare: Error unpreparing buffer => %s",
wfsink->error_string);
}
}
g_free (wfsink->wave_buffers[index].lpData);
}
g_free (wfsink->wave_buffers);
wfsink->wave_buffers = NULL;
}
/* close waveform-audio output device */
if (wfsink->hwaveout) {
waveOutClose (wfsink->hwaveout);
wfsink->hwaveout = NULL;
}
return TRUE;
}
static gboolean
gst_dshowvideodec_push_buffer (byte * buffer, long size, byte * src_object,
UINT64 start, UINT64 stop)
{
GstDshowVideoDec *vdec = (GstDshowVideoDec *) src_object;
GstDshowVideoDecClass *klass =
(GstDshowVideoDecClass *) G_OBJECT_GET_CLASS (vdec);
GstBuffer *buf = NULL;
gboolean in_seg = FALSE;
gint64 clip_start = 0, clip_stop = 0;
/* check if this buffer is in our current segment */
in_seg = gst_segment_clip (vdec->segment, GST_FORMAT_TIME,
start, stop, &clip_start, &clip_stop);
/* if the buffer is out of segment do not push it downstream */
if (!in_seg) {
GST_CAT_DEBUG_OBJECT (dshowvideodec_debug, vdec,
"buffer is out of segment, start %" GST_TIME_FORMAT " stop %"
GST_TIME_FORMAT, GST_TIME_ARGS (start), GST_TIME_ARGS (stop));
return FALSE;
}
/* buffer is in our segment allocate a new out buffer and clip its
* timestamps */
vdec->last_ret = gst_pad_alloc_buffer (vdec->srcpad, GST_BUFFER_OFFSET_NONE,
size, GST_PAD_CAPS (vdec->srcpad), &buf);
if (!buf) {
GST_CAT_WARNING_OBJECT (dshowvideodec_debug, vdec,
"can't not allocate a new GstBuffer");
return FALSE;
}
/* set buffer properties */
GST_BUFFER_TIMESTAMP (buf) = clip_start;
GST_BUFFER_DURATION (buf) = clip_stop - clip_start;
if (strstr (klass->entry->srccaps, "rgb")) {
/* FOR RGB directshow decoder will return bottom-up BITMAP
* There is probably a way to get top-bottom video frames from
* the decoder...
*/
gint line = 0;
guint stride = vdec->width * 4;
for (; line < vdec->height; line++) {
memcpy (GST_BUFFER_DATA (buf) + (line * stride),
buffer + (size - ((line + 1) * (stride))), stride);
}
} else {
memcpy (GST_BUFFER_DATA (buf), buffer, MIN (size, GST_BUFFER_SIZE (buf)));
}
GST_CAT_LOG_OBJECT (dshowvideodec_debug, vdec,
"push_buffer (size %d)=> pts %" GST_TIME_FORMAT " stop %" GST_TIME_FORMAT
" duration %" GST_TIME_FORMAT, size,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf)),
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
/* push the buffer downstream */
vdec->last_ret = gst_pad_push (vdec->srcpad, buf);
return TRUE;
}
gint
main (gint argc, gchar * argv[])
{
gst_init (&argc, &argv);
GST_DEBUG_CATEGORY_INIT (cat_default, "GST_Check_default", 0,
"default category for this test");
GST_DEBUG_CATEGORY_INIT (cat2, "GST_Check_2", 0,
"second category for this test");
#ifndef GST_DISABLE_GST_DEBUG
g_assert (gst_debug_remove_log_function (gst_debug_log_default) == 1);
#endif
gst_debug_add_log_function (check_message, NULL);
count = 0;
GST_ERROR ("This is an error.");
++count;
GST_WARNING ("This is a warning.");
++count;
GST_INFO ("This is an info message.");
++count;
GST_DEBUG ("This is a debug message.");
++count;
GST_LOG ("This is a log message.");
++count;
GST_CAT_ERROR (cat2, "This is an error with category.");
++count;
GST_CAT_WARNING (cat2, "This is a warning with category.");
++count;
GST_CAT_INFO (cat2, "This is an info message with category.");
++count;
GST_CAT_DEBUG (cat2, "This is a debug message with category.");
++count;
GST_CAT_LOG (cat2, "This is a log message with category.");
count = -1;
pipeline = gst_element_factory_make ("pipeline", "testelement");
count = 10;
GST_ERROR_OBJECT (pipeline, "This is an error with object.");
++count;
GST_WARNING_OBJECT (pipeline, "This is a warning with object.");
++count;
GST_INFO_OBJECT (pipeline, "This is an info message with object.");
++count;
GST_DEBUG_OBJECT (pipeline, "This is a debug message with object.");
++count;
GST_LOG_OBJECT (pipeline, "This is a log message with object.");
++count;
GST_CAT_ERROR_OBJECT (cat2, pipeline,
"This is an error with category and object.");
++count;
GST_CAT_WARNING_OBJECT (cat2, pipeline,
"This is a warning with category and object.");
++count;
GST_CAT_INFO_OBJECT (cat2, pipeline,
"This is an info message with category and object.");
++count;
GST_CAT_DEBUG_OBJECT (cat2, pipeline,
"This is a debug message with category and object.");
++count;
GST_CAT_LOG_OBJECT (cat2, pipeline,
"This is a log message with category and object.");
count = -1;
#ifndef GST_DISABLE_GST_DEBUG
g_assert (gst_debug_remove_log_function (check_message) == 1);
#endif
return 0;
}
static guint
gst_waveform_sink_write (GstAudioSink * asink, gpointer data, guint length)
{
GstWaveFormSink *wfsink = GST_WAVEFORM_SINK (asink);
WAVEHDR *waveheader;
MMRESULT mmresult;
guint bytes_to_write = length;
guint remaining_length = length;
wfsink->bytes_in_queue += length;
while (remaining_length > 0) {
if (wfsink->free_buffers_count == 0) {
/* no free buffer available, wait for one */
Sleep (10);
continue;
}
/* get the current write buffer header */
waveheader = &wfsink->wave_buffers[wfsink->write_buffer];
/* unprepare the header if needed */
if (waveheader->dwFlags & WHDR_PREPARED) {
mmresult =
waveOutUnprepareHeader (wfsink->hwaveout, waveheader,
sizeof (WAVEHDR));
if (mmresult != MMSYSERR_NOERROR) {
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
"Error unpreparing buffer => %s", wfsink->error_string);
}
}
if (wfsink->buffer_size - waveheader->dwUser >= remaining_length)
bytes_to_write = remaining_length;
else
bytes_to_write = wfsink->buffer_size - waveheader->dwUser;
memcpy (waveheader->lpData + waveheader->dwUser, data, bytes_to_write);
waveheader->dwUser += bytes_to_write;
remaining_length -= bytes_to_write;
data = (byte *) data + bytes_to_write;
if (waveheader->dwUser == wfsink->buffer_size) {
/* we have filled a buffer, let's prepare it and next write it to the device */
mmresult =
waveOutPrepareHeader (wfsink->hwaveout, waveheader, sizeof (WAVEHDR));
if (mmresult != MMSYSERR_NOERROR) {
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
"gst_waveform_sink_write: Error preparing header => %s",
wfsink->error_string);
}
mmresult = waveOutWrite (wfsink->hwaveout, waveheader, sizeof (WAVEHDR));
if (mmresult != MMSYSERR_NOERROR) {
waveOutGetErrorText (mmresult, wfsink->error_string, ERROR_LENGTH - 1);
GST_CAT_WARNING_OBJECT (waveformsink_debug, wfsink,
"gst_waveform_sink_write: Error writting buffer to the device => %s",
wfsink->error_string);
}
EnterCriticalSection (&wfsink->critic_wave);
wfsink->free_buffers_count--;
LeaveCriticalSection (&wfsink->critic_wave);
wfsink->write_buffer++;
wfsink->write_buffer %= wfsink->buffer_count;
waveheader->dwUser = 0;
wfsink->bytes_in_queue = 0;
GST_CAT_LOG_OBJECT (waveformsink_debug, wfsink,
"gst_waveform_sink_write: Writting a buffer to the device (free buffers remaining=%d, write buffer=%d)",
wfsink->free_buffers_count, wfsink->write_buffer);
}
}
return length;
}
