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add a method that returns a proper GstClockTime

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Original commit message from CVS:
add a method that returns a proper GstClockTime
This commit is contained in:
Thomas Vander Stichele 2005-11-21 22:56:33 +00:00
parent aaf1e55bd2
commit be5a7cd625
5 changed files with 58 additions and 6 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2005-11-21 Thomas Vander Stichele <thomas at apestaart dot org>
* check/Makefile.am:
* gst-libs/gst/audio/audio.c: (gst_audio_duration_from_pad_buffer):
* gst-libs/gst/audio/audio.h:
add a method that returns a proper GstClockTime
2005-11-21 Tim-Philipp Müller <tim at centricular dot net>
* gst-libs/gst/interfaces/xoverlay.c: (gst_x_overlay_base_init),

6
check/Makefile.am
View file

@ -31,6 +31,7 @@ check_PROGRAMS = \
elements/audioconvert \
elements/audioresample \
elements/volume \
generic/states \
pipelines/simple_launch_lines \
clocks/selection \
$(check_vorbis)
@ -38,12 +39,11 @@ check_PROGRAMS = \
# tests to fix leaks in
VALGRIND_TO_FIX = \
elements/audioresample \
generic/states \
pipelines/simple_launch_lines
# these tests don't even pass
# generic/states: elements need state fixin' before this can be added
noinst_PROGRAMS = \
generic/states
noinst_PROGRAMS =
AM_CFLAGS = $(GST_OBJ_CFLAGS) $(GST_CHECK_CFLAGS) $(CHECK_CFLAGS)
LDADD = $(GST_OBJ_LIBS) $(GST_CHECK_LIBS) $(CHECK_LIBS)

43
gst-libs/gst/audio/audio.c
View file

@ -147,6 +147,49 @@ gst_audio_length (GstPad * pad, GstBuffer * buf)
return length;
}
double
gst_audio_duration_from_pad_buffer (GstPad * pad, GstBuffer * buf)
{
/* calculate length in nanoseconds
* of audio buffer buf
* based on capabilities of pad
*/
long bytes = 0;
int width = 0;
int channels = 0;
int rate = 0;
GstClockTime length;
const GstCaps *caps = NULL;
GstStructure *structure;
g_assert (GST_IS_BUFFER (buf));
/* get caps of pad */
caps = GST_PAD_CAPS (pad);
if (caps == NULL) {
/* ERROR: could not get caps of pad */
g_warning ("gstaudio: could not get caps of pad %s:%s\n",
GST_ELEMENT_NAME (gst_pad_get_parent (pad)), GST_PAD_NAME (pad));
length = GST_CLOCK_TIME_NONE;
} else {
structure = gst_caps_get_structure (caps, 0);
bytes = GST_BUFFER_SIZE (buf);
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "channels", &channels);
gst_structure_get_int (structure, "rate", &rate);
g_assert (bytes != 0);
g_assert (width != 0);
g_assert (channels != 0);
g_assert (rate != 0);
length = (bytes * 8.0 * GST_SECOND) / (rate * channels * width);
}
/* g_print ("DEBUG: audio: returning length of %f\n", length); */
return length;
}
long
gst_audio_highest_sample_value (GstPad * pad)
/* calculate highest possible sample value

2
gst-libs/gst/audio/audio.h
View file

@ -110,6 +110,8 @@ long gst_audio_frame_rate (GstPad *pad);
/* calculate length in seconds of audio buffer buf based on caps of pad */
double gst_audio_length (GstPad* pad, GstBuffer* buf);
double gst_audio_duration_from_pad_buffer (GstPad * pad, GstBuffer * buf);
/* calculate highest possible sample value based on capabilities of pad */
long gst_audio_highest_sample_value (GstPad* pad);

6
tests/check/Makefile.am
View file

@ -31,6 +31,7 @@ check_PROGRAMS = \
elements/audioconvert \
elements/audioresample \
elements/volume \
generic/states \
pipelines/simple_launch_lines \
clocks/selection \
$(check_vorbis)
@ -38,12 +39,11 @@ check_PROGRAMS = \
# tests to fix leaks in
VALGRIND_TO_FIX = \
elements/audioresample \
generic/states \
pipelines/simple_launch_lines
# these tests don't even pass
# generic/states: elements need state fixin' before this can be added
noinst_PROGRAMS = \
generic/states
noinst_PROGRAMS =
AM_CFLAGS = $(GST_OBJ_CFLAGS) $(GST_CHECK_CFLAGS) $(CHECK_CFLAGS)
LDADD = $(GST_OBJ_LIBS) $(GST_CHECK_LIBS) $(CHECK_LIBS)