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fe14a23327
Makes source code smaller, and ensures we go through common initialization path (like the one that sets up XML unit test output ...)
308 lines
8.7 KiB
C
308 lines
8.7 KiB
C
/* GStreamer
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*
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* unit test for x264enc
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*
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* Copyright (C) <2008> Mark Nauwelaerts <mnauw@users.sf.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <unistd.h>
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#include <gst/check/gstcheck.h>
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/* For ease of programming we use globals to keep refs for our floating
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* src and sink pads we create; otherwise we always have to do get_pad,
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* get_peer, and then remove references in every test function */
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static GstPad *mysrcpad, *mysinkpad;
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#define VIDEO_CAPS_STRING "video/x-raw, " \
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"format = (string) { I420, Y42B, Y444 }, " \
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"width = (int) 384, " \
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"height = (int) 288, " \
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"framerate = (fraction) 25/1"
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#define MPEG_CAPS_STRING "video/x-h264, " \
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"width = (int) 384, " \
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"height = (int) 288, " \
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"framerate = (fraction) 25/1"
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static GstElement *
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setup_x264enc (const gchar * profile, const gchar * stream_format,
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const gchar * input_format)
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{
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GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (MPEG_CAPS_STRING));
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GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (VIDEO_CAPS_STRING));
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GstElement *x264enc;
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gchar *caps_str;
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GstCaps *caps;
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GST_DEBUG ("setup_x264enc");
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caps_str = g_strdup_printf ("%s, profile = (string) %s, "
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"stream-format = (string) %s", MPEG_CAPS_STRING, profile, stream_format);
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sinktemplate.static_caps.string = caps_str;
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x264enc = gst_check_setup_element ("x264enc");
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mysrcpad = gst_check_setup_src_pad (x264enc, &srctemplate);
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mysinkpad = gst_check_setup_sink_pad (x264enc, &sinktemplate);
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gst_pad_set_active (mysrcpad, TRUE);
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gst_pad_set_active (mysinkpad, TRUE);
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caps = gst_caps_from_string (VIDEO_CAPS_STRING);
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gst_caps_set_simple (caps, "format", G_TYPE_STRING, input_format, NULL);
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gst_check_setup_events (mysrcpad, x264enc, caps, GST_FORMAT_TIME);
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gst_caps_unref (caps);
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g_free (caps_str);
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return x264enc;
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}
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static void
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cleanup_x264enc (GstElement * x264enc)
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{
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GST_DEBUG ("cleanup_x264enc");
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gst_element_set_state (x264enc, GST_STATE_NULL);
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gst_pad_set_active (mysrcpad, FALSE);
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gst_pad_set_active (mysinkpad, FALSE);
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gst_check_teardown_src_pad (x264enc);
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gst_check_teardown_sink_pad (x264enc);
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gst_check_teardown_element (x264enc);
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}
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static void
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check_caps (GstCaps * caps, const gchar * profile, gint profile_id)
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{
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GstStructure *s;
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const GValue *sf, *avcc, *pf;
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const gchar *stream_format;
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const gchar *caps_profile;
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fail_unless (caps != NULL);
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GST_INFO ("caps %" GST_PTR_FORMAT, caps);
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s = gst_caps_get_structure (caps, 0);
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fail_unless (s != NULL);
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fail_if (!gst_structure_has_name (s, "video/x-h264"));
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sf = gst_structure_get_value (s, "stream-format");
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fail_unless (sf != NULL);
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fail_unless (G_VALUE_HOLDS_STRING (sf));
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stream_format = g_value_get_string (sf);
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fail_unless (stream_format != NULL);
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if (strcmp (stream_format, "avc") == 0) {
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GstMapInfo map;
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GstBuffer *buf;
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avcc = gst_structure_get_value (s, "codec_data");
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fail_unless (avcc != NULL);
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fail_unless (GST_VALUE_HOLDS_BUFFER (avcc));
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buf = gst_value_get_buffer (avcc);
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fail_unless (buf != NULL);
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gst_buffer_map (buf, &map, GST_MAP_READ);
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fail_unless_equals_int (map.data[0], 1);
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fail_unless (map.data[1] == profile_id);
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gst_buffer_unmap (buf, &map);
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} else if (strcmp (stream_format, "byte-stream") == 0) {
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fail_if (gst_structure_get_value (s, "codec_data") != NULL);
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} else {
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fail_if (TRUE, "unexpected stream-format in caps: %s", stream_format);
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}
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pf = gst_structure_get_value (s, "profile");
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fail_unless (pf != NULL);
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fail_unless (G_VALUE_HOLDS_STRING (pf));
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caps_profile = g_value_get_string (pf);
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fail_unless (caps_profile != NULL);
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fail_unless (!strcmp (caps_profile, profile));
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}
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static void
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test_video_profile (const gchar * profile, gint profile_id,
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const gchar * input_format)
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{
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GstElement *x264enc;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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GstMapInfo map;
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guint8 *data;
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gsize size;
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int i, num_buffers;
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x264enc = setup_x264enc (profile, "avc", input_format);
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fail_unless (gst_element_set_state (x264enc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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/* corresponds to I420 buffer for the size mentioned in the caps */
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if (!strcmp (input_format, "I420"))
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inbuffer = gst_buffer_new_and_alloc (384 * 288 * 3 / 2);
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else if (!strcmp (input_format, "Y42B"))
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inbuffer = gst_buffer_new_and_alloc (384 * 288 * 2);
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else if (!strcmp (input_format, "Y444"))
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inbuffer = gst_buffer_new_and_alloc (384 * 288 * 3);
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/* makes valgrind's memcheck happier */
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gst_buffer_memset (inbuffer, 0, 0, -1);
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GST_BUFFER_TIMESTAMP (inbuffer) = 0;
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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/* send eos to have all flushed if needed */
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fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()) == TRUE);
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num_buffers = g_list_length (buffers);
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fail_unless (num_buffers == 1);
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/* check output caps */
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{
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GstCaps *outcaps;
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outcaps = gst_pad_get_current_caps (mysinkpad);
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check_caps (outcaps, profile, profile_id);
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gst_caps_unref (outcaps);
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}
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/* clean up buffers */
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for (i = 0; i < num_buffers; ++i) {
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outbuffer = GST_BUFFER (buffers->data);
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fail_if (outbuffer == NULL);
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switch (i) {
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case 0:
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{
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gint nsize, npos, j, type, next_type;
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GstMapInfo map;
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const guint8 *data;
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gsize size;
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gst_buffer_map (outbuffer, &map, GST_MAP_READ);
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data = map.data;
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size = map.size;
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npos = 0;
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j = 0;
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/* need SPS first */
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next_type = 7;
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/* loop through NALs */
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while (npos < size) {
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fail_unless (size - npos >= 4);
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nsize = GST_READ_UINT32_BE (data + npos);
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fail_unless (nsize > 0);
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fail_unless (npos + 4 + nsize <= size);
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type = data[npos + 4] & 0x1F;
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/* check the first NALs, disregard AU (9), SEI (6) */
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if (type != 9 && type != 6) {
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fail_unless (type == next_type);
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switch (type) {
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case 7:
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/* SPS */
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next_type = 8;
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break;
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case 8:
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/* PPS */
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next_type = 5;
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break;
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default:
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break;
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}
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j++;
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}
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npos += nsize + 4;
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}
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gst_buffer_unmap (outbuffer, &map);
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/* should have reached the exact end */
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fail_unless (npos == size);
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break;
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}
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default:
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break;
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}
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buffers = g_list_remove (buffers, outbuffer);
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ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
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gst_buffer_unref (outbuffer);
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outbuffer = NULL;
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}
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cleanup_x264enc (x264enc);
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g_list_free (buffers);
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buffers = NULL;
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}
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GST_START_TEST (test_video_baseline)
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{
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test_video_profile ("constrained-baseline", 0x42, "I420");
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}
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GST_END_TEST;
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GST_START_TEST (test_video_main)
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{
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test_video_profile ("main", 0x4d, "I420");
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}
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GST_END_TEST;
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GST_START_TEST (test_video_high)
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{
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test_video_profile ("high", 0x64, "I420");
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}
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GST_END_TEST;
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GST_START_TEST (test_video_high422)
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{
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test_video_profile ("high-4:2:2", 0x7A, "Y42B");
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}
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GST_END_TEST;
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GST_START_TEST (test_video_high444)
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{
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test_video_profile ("high-4:4:4", 0xF4, "Y444");
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}
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GST_END_TEST;
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Suite *
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x264enc_suite (void)
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{
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Suite *s = suite_create ("x264enc");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_video_baseline);
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tcase_add_test (tc_chain, test_video_main);
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tcase_add_test (tc_chain, test_video_high);
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tcase_add_test (tc_chain, test_video_high422);
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tcase_add_test (tc_chain, test_video_high444);
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return s;
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}
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GST_CHECK_MAIN (x264enc);
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