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videoencoder: Fix leak when pre_push does not return OK

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=761951
This commit is contained in:
Stian Selnes 2016-01-26 13:54:46 +01:00 committed by Thiago Santos
parent 9d66b7cdd2
commit 85f297d648
2 changed files with 49 additions and 6 deletions
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3
gst-libs/gst/video/gstvideoencoder.c
View file

@ -2183,7 +2183,8 @@ gst_video_encoder_finish_frame (GstVideoEncoder * encoder,
/* Get an additional ref to the buffer, which is going to be pushed
* downstream, the original ref is owned by the frame */
buffer = gst_buffer_ref (frame->output_buffer);
if (ret == GST_FLOW_OK)
buffer = gst_buffer_ref (frame->output_buffer);
/* Release frame so the buffer is writable when we push it downstream
* if possible, i.e. if the subclass does not hold additional references

52
tests/check/libs/videoencoder.c
View file

@ -24,6 +24,7 @@
#endif
#include <gst/gst.h>
#include <gst/check/gstcheck.h>
#include <gst/check/gstharness.h>
#include <gst/video/video.h>
#include <gst/app/app.h>
@ -45,6 +46,8 @@ typedef struct _GstVideoEncoderTesterClass GstVideoEncoderTesterClass;
struct _GstVideoEncoderTester
{
GstVideoEncoder parent;
GstFlowReturn pre_push_result;
};
struct _GstVideoEncoderTesterClass
@ -102,6 +105,15 @@ gst_video_encoder_tester_handle_frame (GstVideoEncoder * dec,
return gst_video_encoder_finish_frame (dec, frame);
}
static GstFlowReturn
gst_video_encoder_tester_pre_push (GstVideoEncoder * enc,
GstVideoCodecFrame * frame)
{
GstVideoEncoderTester *tester = (GstVideoEncoderTester *) enc;
return tester->pre_push_result;
}
static void
gst_video_encoder_tester_class_init (GstVideoEncoderTesterClass * klass)
{
@ -127,12 +139,14 @@ gst_video_encoder_tester_class_init (GstVideoEncoderTesterClass * klass)
videoencoder_class->start = gst_video_encoder_tester_start;
videoencoder_class->stop = gst_video_encoder_tester_stop;
videoencoder_class->handle_frame = gst_video_encoder_tester_handle_frame;
videoencoder_class->pre_push = gst_video_encoder_tester_pre_push;
videoencoder_class->set_format = gst_video_encoder_tester_set_format;
}
static void
gst_video_encoder_tester_init (GstVideoEncoderTester * tester)
{
tester->pre_push_result = GST_FLOW_OK;
}
static gboolean
@ -199,6 +213,15 @@ create_test_buffer (guint64 num)
return buffer;
}
static GstCaps *
create_test_caps (void)
{
return gst_caps_new_simple ("video/x-raw", "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,
"format", G_TYPE_STRING, "GRAY8", NULL);
}
static void
send_startup_events (void)
{
@ -208,11 +231,7 @@ send_startup_events (void)
gst_event_new_stream_start ("randomvalue")));
/* push caps */
caps =
gst_caps_new_simple ("video/x-raw", "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,
"format", G_TYPE_STRING, "GRAY8", NULL);
caps = create_test_caps ();
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_caps (caps)));
gst_caps_unref (caps);
}
@ -495,6 +514,28 @@ GST_START_TEST (videoencoder_flush_events)
GST_END_TEST;
/* When pre_push fails the correct GstFlowReturn should be returned and there
* should be no leaks */
GST_START_TEST (videoencoder_pre_push_fails)
{
GstVideoEncoderTester *tester;
GstHarness *h;
tester = g_object_new (GST_VIDEO_ENCODER_TESTER_TYPE, NULL);
tester->pre_push_result = GST_FLOW_ERROR;
h = gst_harness_new_with_element (GST_ELEMENT (tester), "sink", "src");
gst_harness_set_src_caps (h, create_test_caps ());
fail_unless_equals_int (gst_harness_push (h, create_test_buffer (0)),
GST_FLOW_ERROR);
gst_harness_teardown (h);
gst_object_unref (tester);
}
GST_END_TEST;
static Suite *
gst_videoencoder_suite (void)
{
@ -507,6 +548,7 @@ gst_videoencoder_suite (void)
tcase_add_test (tc, videoencoder_tags_before_eos);
tcase_add_test (tc, videoencoder_events_before_eos);
tcase_add_test (tc, videoencoder_flush_events);
tcase_add_test (tc, videoencoder_pre_push_fails);
return s;
}