gstreamer/tests/check/libs/videodecoder.c

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/* GStreamer
*
* Copyright (C) 2014 Samsung Electronics. All rights reserved.
* Author: Thiago Santos <ts.santos@sisa.samsung.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/check/gstcheck.h>
#include <gst/video/video.h>
#include <gst/app/app.h>
static GstPad *mysrcpad, *mysinkpad;
static GstElement *dec;
static GList *events = NULL;
#define TEST_VIDEO_WIDTH 640
#define TEST_VIDEO_HEIGHT 480
#define TEST_VIDEO_FPS_N 30
#define TEST_VIDEO_FPS_D 1
#define GST_VIDEO_DECODER_TESTER_TYPE gst_video_decoder_tester_get_type()
static GType gst_video_decoder_tester_get_type (void);
typedef struct _GstVideoDecoderTester GstVideoDecoderTester;
typedef struct _GstVideoDecoderTesterClass GstVideoDecoderTesterClass;
struct _GstVideoDecoderTester
{
GstVideoDecoder parent;
guint64 last_buf_num;
guint64 last_kf_num;
};
struct _GstVideoDecoderTesterClass
{
GstVideoDecoderClass parent_class;
};
G_DEFINE_TYPE (GstVideoDecoderTester, gst_video_decoder_tester,
GST_TYPE_VIDEO_DECODER);
static gboolean
gst_video_decoder_tester_start (GstVideoDecoder * dec)
{
GstVideoDecoderTester *dectester = (GstVideoDecoderTester *) dec;
dectester->last_buf_num = -1;
dectester->last_kf_num = -1;
return TRUE;
}
static gboolean
gst_video_decoder_tester_stop (GstVideoDecoder * dec)
{
return TRUE;
}
static gboolean
gst_video_decoder_tester_flush (GstVideoDecoder * dec)
{
GstVideoDecoderTester *dectester = (GstVideoDecoderTester *) dec;
dectester->last_buf_num = -1;
dectester->last_kf_num = -1;
return TRUE;
}
static gboolean
gst_video_decoder_tester_set_format (GstVideoDecoder * dec,
GstVideoCodecState * state)
{
GstVideoCodecState *res = gst_video_decoder_set_output_state (dec,
GST_VIDEO_FORMAT_GRAY8, TEST_VIDEO_WIDTH, TEST_VIDEO_HEIGHT, NULL);
gst_video_codec_state_unref (res);
return TRUE;
}
static GstFlowReturn
gst_video_decoder_tester_handle_frame (GstVideoDecoder * dec,
GstVideoCodecFrame * frame)
{
GstVideoDecoderTester *dectester = (GstVideoDecoderTester *) dec;
guint64 input_num;
guint8 *data;
gint size;
GstMapInfo map;
gst_buffer_map (frame->input_buffer, &map, GST_MAP_READ);
input_num = *((guint64 *) map.data);
if ((input_num == dectester->last_buf_num + 1
&& dectester->last_buf_num != -1)
|| !GST_BUFFER_FLAG_IS_SET (frame->input_buffer,
GST_BUFFER_FLAG_DELTA_UNIT)) {
/* the output is gray8 */
size = TEST_VIDEO_WIDTH * TEST_VIDEO_HEIGHT;
data = g_malloc0 (size);
memcpy (data, map.data, sizeof (guint64));
frame->output_buffer = gst_buffer_new_wrapped (data, size);
frame->pts = GST_BUFFER_PTS (frame->input_buffer);
frame->duration = GST_BUFFER_DURATION (frame->input_buffer);
dectester->last_buf_num = input_num;
if (!GST_BUFFER_FLAG_IS_SET (frame->input_buffer,
GST_BUFFER_FLAG_DELTA_UNIT))
dectester->last_kf_num = input_num;
}
gst_buffer_unmap (frame->input_buffer, &map);
if (frame->output_buffer)
return gst_video_decoder_finish_frame (dec, frame);
gst_video_codec_frame_unref (frame);
return GST_FLOW_OK;
}
static void
gst_video_decoder_tester_class_init (GstVideoDecoderTesterClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstVideoDecoderClass *audiosink_class = GST_VIDEO_DECODER_CLASS (klass);
static GstStaticPadTemplate sink_templ = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-test-custom"));
static GstStaticPadTemplate src_templ = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw"));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_templ));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_templ));
gst_element_class_set_metadata (element_class,
"VideoDecoderTester", "Decoder/Video", "yep", "me");
audiosink_class->start = gst_video_decoder_tester_start;
audiosink_class->stop = gst_video_decoder_tester_stop;
audiosink_class->flush = gst_video_decoder_tester_flush;
audiosink_class->handle_frame = gst_video_decoder_tester_handle_frame;
audiosink_class->set_format = gst_video_decoder_tester_set_format;
}
static void
gst_video_decoder_tester_init (GstVideoDecoderTester * tester)
{
}
static gboolean
_mysinkpad_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
events = g_list_append (events, event);
return TRUE;
}
static void
setup_videodecodertester (void)
{
GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw")
);
GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-test-custom")
);
dec = g_object_new (GST_VIDEO_DECODER_TESTER_TYPE, NULL);
mysrcpad = gst_check_setup_src_pad (dec, &srctemplate);
mysinkpad = gst_check_setup_sink_pad (dec, &sinktemplate);
gst_pad_set_event_function (mysinkpad, _mysinkpad_event);
}
static void
cleanup_videodecodertest (void)
{
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (dec);
gst_check_teardown_sink_pad (dec);
gst_check_teardown_element (dec);
g_list_free_full (events, (GDestroyNotify) gst_event_unref);
events = NULL;
}
static GstBuffer *
create_test_buffer (guint64 num)
{
GstBuffer *buffer;
guint64 *data = g_malloc (sizeof (guint64));
*data = num;
buffer = gst_buffer_new_wrapped (data, sizeof (guint64));
GST_BUFFER_PTS (buffer) =
gst_util_uint64_scale_round (num, GST_SECOND * TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N);
GST_BUFFER_DURATION (buffer) =
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N);
return buffer;
}
static void
send_startup_events (void)
{
GstCaps *caps;
fail_unless (gst_pad_push_event (mysrcpad,
gst_event_new_stream_start ("randomvalue")));
/* push caps */
caps =
gst_caps_new_simple ("video/x-test-custom", "width", G_TYPE_INT,
TEST_VIDEO_WIDTH, "height", G_TYPE_INT, TEST_VIDEO_HEIGHT, "framerate",
GST_TYPE_FRACTION, TEST_VIDEO_FPS_N, TEST_VIDEO_FPS_D, NULL);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_caps (caps)));
gst_caps_unref (caps);
}
#define NUM_BUFFERS 1000
GST_START_TEST (videodecoder_playback)
{
GstSegment segment;
GstBuffer *buffer;
guint64 i;
GList *iter;
setup_videodecodertester ();
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (dec, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
send_startup_events ();
/* push a new segment */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* push buffers, the data is actually a number so we can track them */
for (i = 0; i < NUM_BUFFERS; i++) {
buffer = create_test_buffer (i);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* check that all buffers were received by our source pad */
fail_unless (g_list_length (buffers) == NUM_BUFFERS);
i = 0;
for (iter = buffers; iter; iter = g_list_next (iter)) {
GstMapInfo map;
guint64 num;
buffer = iter->data;
gst_buffer_map (buffer, &map, GST_MAP_READ);
num = *(guint64 *) map.data;
fail_unless (i == num);
fail_unless (GST_BUFFER_PTS (buffer) == gst_util_uint64_scale_round (i,
GST_SECOND * TEST_VIDEO_FPS_D, TEST_VIDEO_FPS_N));
fail_unless (GST_BUFFER_DURATION (buffer) ==
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N));
gst_buffer_unmap (buffer, &map);
i++;
}
g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref);
buffers = NULL;
cleanup_videodecodertest ();
}
GST_END_TEST;
GST_START_TEST (videodecoder_playback_with_events)
{
GstSegment segment;
GstBuffer *buffer;
guint64 i;
GList *iter;
GList *events_iter;
setup_videodecodertester ();
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (dec, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
send_startup_events ();
/* push a new segment */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* push buffers, the data is actually a number so we can track them */
for (i = 0; i < NUM_BUFFERS; i++) {
if (i % 10 == 0) {
GstTagList *tags;
tags = gst_tag_list_new (GST_TAG_TRACK_NUMBER, i, NULL);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_tag (tags)));
} else {
buffer = create_test_buffer (i);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
}
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
events_iter = events;
/* make sure the usual events have been received */
{
GstEvent *sstart = events_iter->data;
fail_unless (GST_EVENT_TYPE (sstart) == GST_EVENT_STREAM_START);
events_iter = g_list_next (events_iter);
}
{
GstEvent *caps_event = events_iter->data;
fail_unless (GST_EVENT_TYPE (caps_event) == GST_EVENT_CAPS);
events_iter = g_list_next (events_iter);
}
{
GstEvent *segment_event = events_iter->data;
fail_unless (GST_EVENT_TYPE (segment_event) == GST_EVENT_SEGMENT);
events_iter = g_list_next (events_iter);
}
/* check that all buffers were received by our source pad */
iter = buffers;
for (i = 0; i < NUM_BUFFERS; i++) {
if (i % 10 == 0) {
guint tag_v;
GstEvent *tag_event = events_iter->data;
GstTagList *taglist = NULL;
gst_event_parse_tag (tag_event, &taglist);
fail_unless (gst_tag_list_get_uint (taglist, GST_TAG_TRACK_NUMBER,
&tag_v));
fail_unless (tag_v == i);
events_iter = g_list_next (events_iter);
} else {
GstMapInfo map;
guint64 num;
buffer = iter->data;
gst_buffer_map (buffer, &map, GST_MAP_READ);
num = *(guint64 *) map.data;
fail_unless (i == num);
fail_unless (GST_BUFFER_PTS (buffer) == gst_util_uint64_scale_round (i,
GST_SECOND * TEST_VIDEO_FPS_D, TEST_VIDEO_FPS_N));
fail_unless (GST_BUFFER_DURATION (buffer) ==
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N));
gst_buffer_unmap (buffer, &map);
iter = g_list_next (iter);
}
}
fail_unless (iter == NULL);
/* check that EOS was received */
{
GstEvent *eos = events_iter->data;
fail_unless (GST_EVENT_TYPE (eos) == GST_EVENT_EOS);
events_iter = g_list_next (events_iter);
}
fail_unless (events_iter == NULL);
g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref);
buffers = NULL;
cleanup_videodecodertest ();
}
GST_END_TEST;
/* Check https://bugzilla.gnome.org/show_bug.cgi?id=721835 */
GST_START_TEST (videodecoder_playback_first_frames_not_decoded)
{
GstSegment segment;
GstBuffer *buffer;
guint64 i = 0;
setup_videodecodertester ();
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (dec, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
send_startup_events ();
/* push a new segment */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* push a buffer, to have the segment attached to it.
* unfortunatelly this buffer can't be decoded as it isn't a keyframe */
buffer = create_test_buffer (i++);
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
/* now be evil and ask this frame to be released
* this frame has the segment event attached to it, and the
* segment shouldn't disappear with it */
{
GList *l, *ol;
ol = l = gst_video_decoder_get_frames (GST_VIDEO_DECODER (dec));
fail_unless (g_list_length (l) == 1);
while (l) {
GstVideoCodecFrame *tmp = l->data;
gst_video_decoder_release_frame (GST_VIDEO_DECODER (dec), tmp);
l = g_list_next (l);
}
g_list_free (ol);
}
buffer = create_test_buffer (i++);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
fail_unless (g_list_length (buffers) == 1);
g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref);
buffers = NULL;
cleanup_videodecodertest ();
}
GST_END_TEST;
GST_START_TEST (videodecoder_backwards_playback)
{
GstSegment segment;
GstBuffer *buffer;
guint64 i;
GList *iter;
setup_videodecodertester ();
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (dec, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
send_startup_events ();
/* push a new segment with -1 rate */
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.rate = -1.0;
segment.stop = (NUM_BUFFERS + 1) * gst_util_uint64_scale_round (GST_SECOND,
TEST_VIDEO_FPS_D, TEST_VIDEO_FPS_N);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* push buffers, the data is actually a number so we can track them */
i = NUM_BUFFERS;
while (i > 0) {
gint target = i;
gint j;
/* push groups of 10 buffers
* every number that is divisible by 10 is set as a discont,
* if it is divisible by 20 it is also a keyframe
*
* The logic here is that hte current i is the target, and then
* it pushes buffers from 'target - 10' up to target.
*/
for (j = MAX (target - 10, 0); j < target; j++) {
GstBuffer *buffer = create_test_buffer (j);
if (j % 10 == 0)
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
if (j % 20 != 0)
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
i--;
}
}
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* check that all buffers were received by our source pad */
fail_unless (g_list_length (buffers) == NUM_BUFFERS);
i = NUM_BUFFERS - 1;
for (iter = buffers; iter; iter = g_list_next (iter)) {
GstMapInfo map;
guint64 num;
buffer = iter->data;
gst_buffer_map (buffer, &map, GST_MAP_READ);
num = *(guint64 *) map.data;
fail_unless (i == num);
fail_unless (GST_BUFFER_PTS (buffer) == gst_util_uint64_scale_round (i,
GST_SECOND * TEST_VIDEO_FPS_D, TEST_VIDEO_FPS_N));
fail_unless (GST_BUFFER_DURATION (buffer) ==
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N));
gst_buffer_unmap (buffer, &map);
i--;
}
g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref);
buffers = NULL;
cleanup_videodecodertest ();
}
GST_END_TEST;
static Suite *
gst_videodecoder_suite (void)
{
Suite *s = suite_create ("GstVideoDecoder");
TCase *tc = tcase_create ("general");
suite_add_tcase (s, tc);
tcase_add_test (tc, videodecoder_playback);
tcase_add_test (tc, videodecoder_playback_with_events);
tcase_add_test (tc, videodecoder_playback_first_frames_not_decoded);
tcase_add_test (tc, videodecoder_backwards_playback);
return s;
}
GST_CHECK_MAIN (gst_videodecoder);