gstreamer/tests/check/elements/imagecapturebin.c
Thiago Santos 7ed49bda4f imagecapturebin: Add another test case
Adds a test case to check if a sequence of buffers with different
caps can be pushed to imagecapturebin and saved correctly
2010-12-23 13:24:56 -03:00

395 lines
11 KiB
C

/* GStreamer unit test for the imagecapturebin element
* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <gst/check/gstcheck.h>
#include <gst/app/gstappsink.h>
#include <gst/app/gstappsrc.h>
#define N_BUFFERS 3
typedef struct
{
GstElement *pipe;
GstElement *src;
GstElement *icbin;
} GstImageCaptureBinTestContext;
static void
gstimagecapturebin_init_test_context (GstImageCaptureBinTestContext * ctx,
const gchar * src, gint num_buffers)
{
fail_unless (ctx != NULL);
ctx->pipe = gst_pipeline_new ("pipeline");
fail_unless (ctx->pipe != NULL);
ctx->src = gst_element_factory_make (src, "src");
fail_unless (ctx->src != NULL, "Failed to create src element");
ctx->icbin = gst_element_factory_make ("imagecapturebin", "icbin");
fail_unless (ctx->icbin != NULL, "Failed to create imagecapturebin element");
if (num_buffers > 0)
g_object_set (ctx->src, "num-buffers", num_buffers, NULL);
fail_unless (gst_bin_add (GST_BIN (ctx->pipe), ctx->src));
fail_unless (gst_bin_add (GST_BIN (ctx->pipe), ctx->icbin));
fail_unless (gst_element_link_many (ctx->src, ctx->icbin, NULL));
}
static void
gstimagecapturebin_unset_test_context (GstImageCaptureBinTestContext * ctx)
{
gst_element_set_state (ctx->pipe, GST_STATE_NULL);
gst_object_unref (ctx->pipe);
memset (ctx, 0, sizeof (GstImageCaptureBinTestContext));
}
static gchar *
make_test_file_name (void)
{
return g_strdup_printf ("%s" G_DIR_SEPARATOR_S
"imagecapturebintest_%%d.cap", g_get_tmp_dir ());
}
static gboolean
get_file_info (const gchar * filename, gint * width, gint * height)
{
GstElement *playbin = gst_element_factory_make ("playbin2", NULL);
GstElement *fakesink = gst_element_factory_make ("fakesink", NULL);
GstState state = GST_STATE_NULL;
GstPad *pad;
GstCaps *caps;
gchar *uri = g_strdup_printf ("file://%s", filename);
g_object_set (playbin, "video-sink", fakesink, NULL);
g_object_set (playbin, "uri", uri, NULL);
g_free (uri);
gst_element_set_state (playbin, GST_STATE_PAUSED);
gst_element_get_state (playbin, &state, NULL, GST_SECOND * 5);
fail_unless (state == GST_STATE_PAUSED);
g_signal_emit_by_name (playbin, "get-video-pad", 0, &pad, NULL);
caps = gst_pad_get_negotiated_caps (pad);
fail_unless (gst_structure_get_int (gst_caps_get_structure (caps, 0), "width",
width));
fail_unless (gst_structure_get_int (gst_caps_get_structure (caps, 0),
"height", height));
gst_object_unref (pad);
gst_element_set_state (playbin, GST_STATE_NULL);
gst_object_unref (playbin);
return TRUE;
}
static GstBuffer *
create_video_buffer (GstCaps * caps)
{
GstElement *pipeline;
GstElement *cf;
GstElement *sink;
GstBuffer *buffer;
pipeline =
gst_parse_launch
("videotestsrc num-buffers=1 ! capsfilter name=cf ! appsink name=sink",
NULL);
g_assert (pipeline != NULL);
cf = gst_bin_get_by_name (GST_BIN (pipeline), "cf");
sink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
g_object_set (G_OBJECT (cf), "caps", caps, NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
buffer = gst_app_sink_pull_buffer (GST_APP_SINK (sink));
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gst_object_unref (sink);
gst_object_unref (cf);
return buffer;
}
GST_START_TEST (test_simple_capture)
{
GstImageCaptureBinTestContext ctx;
GstBus *bus;
GstMessage *msg;
gchar *test_file_name;
gint i;
gstimagecapturebin_init_test_context (&ctx, "videotestsrc", N_BUFFERS);
bus = gst_element_get_bus (ctx.pipe);
test_file_name = make_test_file_name ();
g_object_set (ctx.icbin, "location", test_file_name, NULL);
fail_if (gst_element_set_state (ctx.pipe, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE);
msg = gst_bus_timed_pop_filtered (bus, GST_SECOND * 10,
GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
fail_unless (msg != NULL);
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
gst_message_unref (msg);
/* check there are N_BUFFERS files */
for (i = 0; i < N_BUFFERS; i++) {
gchar *filename;
FILE *f;
filename = g_strdup_printf (test_file_name, i);
fail_unless (g_file_test (filename, G_FILE_TEST_EXISTS));
fail_unless (g_file_test (filename, G_FILE_TEST_IS_REGULAR));
fail_if (g_file_test (filename, G_FILE_TEST_IS_SYMLINK));
/* check the file isn't empty */
f = fopen (filename, "r");
fseek (f, 0, SEEK_END);
fail_unless (ftell (f) > 0);
fclose (f);
g_free (filename);
}
gstimagecapturebin_unset_test_context (&ctx);
gst_object_unref (bus);
g_free (test_file_name);
}
GST_END_TEST;
GST_START_TEST (test_multiple_captures_different_caps)
{
GstImageCaptureBinTestContext ctx;
GstBus *bus;
GstMessage *msg;
gchar *test_file_name;
gint i;
gint widths[] = { 100, 300, 200 };
gint heights[] = { 300, 200, 100 };
GstPad *pad;
gstimagecapturebin_init_test_context (&ctx, "appsrc", N_BUFFERS);
bus = gst_element_get_bus (ctx.pipe);
test_file_name = make_test_file_name ();
g_object_set (ctx.icbin, "location", test_file_name, NULL);
fail_if (gst_element_set_state (ctx.pipe, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE);
/* push data directly because set_caps and buffer pushes on appsrc
* are not serialized into the flow, so we can't guarantee the buffers
* have the caps we want on them when pushed */
pad = gst_element_get_static_pad (ctx.src, "src");
/* push the buffers */
for (i = 0; i < N_BUFFERS; i++) {
GstCaps *caps;
GstBuffer *buf;
caps = gst_caps_new_simple ("video/x-raw-yuv", "width", G_TYPE_INT,
widths[i], "height", G_TYPE_INT, heights[i], "framerate",
GST_TYPE_FRACTION, 1, 1, "format", GST_TYPE_FOURCC,
GST_MAKE_FOURCC ('I', '4', '2', '0'), NULL);
buf = create_video_buffer (caps);
fail_if (buf == NULL);
fail_unless (gst_pad_push (pad, buf) == GST_FLOW_OK);
gst_caps_unref (caps);
}
gst_app_src_end_of_stream (GST_APP_SRC (ctx.src));
gst_object_unref (pad);
msg = gst_bus_timed_pop_filtered (bus, GST_SECOND * 10,
GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
fail_unless (msg != NULL);
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
gst_message_unref (msg);
/* check there are N_BUFFERS files */
for (i = 0; i < N_BUFFERS; i++) {
gchar *filename;
FILE *f;
gint width = 0, height = 0;
filename = g_strdup_printf (test_file_name, i);
fail_unless (g_file_test (filename, G_FILE_TEST_EXISTS));
fail_unless (g_file_test (filename, G_FILE_TEST_IS_REGULAR));
fail_if (g_file_test (filename, G_FILE_TEST_IS_SYMLINK));
/* check the file isn't empty */
f = fopen (filename, "r");
fseek (f, 0, SEEK_END);
fail_unless (ftell (f) > 0);
fclose (f);
/* get the file info */
fail_unless (get_file_info (filename, &width, &height));
fail_unless (width == widths[i]);
fail_unless (height == heights[i]);
g_free (filename);
}
gstimagecapturebin_unset_test_context (&ctx);
gst_object_unref (bus);
g_free (test_file_name);
}
GST_END_TEST;
GST_START_TEST (test_setting_encoder)
{
GstImageCaptureBinTestContext ctx;
GstBus *bus;
GstMessage *msg;
GstElement *encoder;
gchar *test_file_name;
gint i;
gstimagecapturebin_init_test_context (&ctx, "videotestsrc", N_BUFFERS);
bus = gst_element_get_bus (ctx.pipe);
test_file_name = make_test_file_name ();
g_object_set (ctx.icbin, "location", test_file_name, NULL);
encoder = gst_element_factory_make ("jpegenc", NULL);
g_object_set (ctx.icbin, "image-encoder", encoder, NULL);
fail_if (gst_element_set_state (ctx.pipe, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE);
msg = gst_bus_timed_pop_filtered (bus, GST_SECOND * 10,
GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
fail_unless (msg != NULL);
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
/* check there are N_BUFFERS files */
for (i = 0; i < N_BUFFERS; i++) {
gchar *filename;
FILE *f;
filename = g_strdup_printf (test_file_name, i);
fail_unless (g_file_test (filename, G_FILE_TEST_EXISTS));
fail_unless (g_file_test (filename, G_FILE_TEST_IS_REGULAR));
fail_if (g_file_test (filename, G_FILE_TEST_IS_SYMLINK));
/* check the file isn't empty */
f = fopen (filename, "r");
fseek (f, 0, SEEK_END);
fail_unless (ftell (f) > 0);
fclose (f);
g_free (filename);
}
gstimagecapturebin_unset_test_context (&ctx);
gst_object_unref (bus);
g_free (test_file_name);
}
GST_END_TEST;
GST_START_TEST (test_setting_muxer)
{
GstImageCaptureBinTestContext ctx;
GstBus *bus;
GstMessage *msg;
GstElement *encoder;
gchar *test_file_name;
gint i;
gstimagecapturebin_init_test_context (&ctx, "videotestsrc", N_BUFFERS);
bus = gst_element_get_bus (ctx.pipe);
test_file_name = make_test_file_name ();
g_object_set (ctx.icbin, "location", test_file_name, NULL);
encoder = gst_element_factory_make ("pngenc", NULL);
g_object_set (ctx.icbin, "image-encoder", encoder, NULL);
encoder = gst_element_factory_make ("identity", NULL);
g_object_set (ctx.icbin, "image-muxer", encoder, NULL);
fail_if (gst_element_set_state (ctx.pipe, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE);
msg = gst_bus_timed_pop_filtered (bus, GST_SECOND * 10,
GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
fail_unless (msg != NULL);
fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS);
/* check there are N_BUFFERS files */
for (i = 0; i < N_BUFFERS; i++) {
gchar *filename;
FILE *f;
filename = g_strdup_printf (test_file_name, i);
fail_unless (g_file_test (filename, G_FILE_TEST_EXISTS));
fail_unless (g_file_test (filename, G_FILE_TEST_IS_REGULAR));
fail_if (g_file_test (filename, G_FILE_TEST_IS_SYMLINK));
/* check the file isn't empty */
f = fopen (filename, "r");
fseek (f, 0, SEEK_END);
fail_unless (ftell (f) > 0);
fclose (f);
g_free (filename);
}
gstimagecapturebin_unset_test_context (&ctx);
gst_object_unref (bus);
g_free (test_file_name);
}
GST_END_TEST;
static Suite *
imagecapturebin_suite (void)
{
Suite *s = suite_create ("imagecapturebin");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_simple_capture);
tcase_add_test (tc_chain, test_multiple_captures_different_caps);
tcase_add_test (tc_chain, test_setting_encoder);
tcase_add_test (tc_chain, test_setting_muxer);
return s;
}
GST_CHECK_MAIN (imagecapturebin);