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/* Gstreamer
* Copyright (C) <2011> Intel Corporation
* Copyright (C) <2011> Collabora Ltd.
* Copyright (C) <2011> Thibault Saunier <>
* 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
* 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.
#include <gst/check/gstcheck.h>
#include <gst/codecparsers/gstmpegvideoparser.h>
/* actually seq + gop */
static const guint8 mpeg2_seq[] = {
0x00, 0x00, 0x01, 0xb3, 0x02, 0x00, 0x18, 0x15, 0xff, 0xff, 0xe0, 0x28,
0x00, 0x00, 0x01, 0xb3, 0x78, 0x04, 0x38, 0x37, 0xff, 0xff, 0xf0, 0x00,
0x00, 0x00, 0x01, 0xb5, 0x14, 0x8a, 0x00, 0x11, 0x03, 0x71,
0x00, 0x00, 0x01, 0xb8, 0x00, 0x08, 0x00, 0x00,
0x00, 0x00, 0x01, 0x03, 0x00, 0x08, 0x00, 0x00
static const guint8 mis_identified_datas[] = {
0x00, 0x00, 0x01, 0x1f, 0x4a, 0xf4, 0xd4, 0xd8, 0x08, 0x23, 0xdd,
0x7c, 0xd3, 0x75, 0x21, 0x43, 0x85, 0x31, 0x43, 0x04, 0x24, 0x30,
0x18, 0x43, 0xba, 0x1a, 0x50, 0x60, 0xbb, 0x53, 0x56, 0x80, 0x41,
0xb9, 0xd4, 0x25, 0x42, 0xea, 0x71, 0xb7, 0x49, 0x84, 0x0b, 0x14,
0x24, 0xc2, 0xaa, 0xba, 0xf9, 0xf7, 0x5b, 0x78, 0xa2, 0xba, 0xd3,
0xc7, 0x12, 0xee, 0xbe, 0xba, 0xfa, 0xeb, 0xeb, 0xaf, 0xbe, 0x6f,
0xce, 0x92, 0x05, 0x15, 0x22, 0x44, 0xf4, 0xc9, 0x1b, 0xcd, 0x84,
0x80, 0x87, 0x35, 0x6c, 0x07, 0x82, 0xaf, 0x3c, 0x3a, 0x89, 0x48,
0x3a, 0x26, 0x00, 0x64, 0x03, 0x12, 0x60, 0x03, 0xf4, 0x8c, 0x21,
0x16, 0xbe, 0x3c, 0x7c, 0x18, 0x03, 0x10, 0x0c, 0x80, 0xa0, 0x05,
0xe1, 0x85, 0x94, 0x90, 0xc4, 0x74, 0x05, 0x72, 0x80, 0x7a, 0x8e,
0x3e, 0x00, 0x30,
/* The accelerated version of scan_for_start_codes()
* mis-identifies the following as a start code */
0x01, 0x00, 0x01, 0x80, 0x68, 0x14,
0x26, 0xe4, 0x80, 0x98, 0x0a, 0xba, 0x77, 0x01, 0xc2, 0x42, 0x12,
0xc4, 0x59, 0x2a, 0xbb, 0x49, 0xf2, 0xc5, 0xa8, 0xd9, 0x30, 0x33,
0x16, 0x50, 0x60, 0x61, 0x41, 0xaa, 0x0d, 0x41, 0x5b, 0x17, 0x77,
0x76, 0x1a, 0x14, 0x3a, 0x08, 0x19, 0x3d, 0x6c, 0x94, 0x55, 0xd0,
0x94, 0x5a, 0xeb, 0x61, 0x22, 0xa7, 0xa6, 0x83, 0x47, 0x6d, 0x4d,
0x84, 0xc4, 0x6f, 0x78, 0xd8, 0x3a, 0xb4, 0x02, 0x0c, 0x36, 0xa6,
0x0b, 0x18, 0x49, 0xf7, 0xad, 0x00, 0x82, 0x09, 0xba, 0x12, 0xba,
0x1d, 0x44, 0x94, 0x0a, 0x1b, 0x03, 0xbb, 0xa2, 0x53, 0x02, 0xc0,
0x41, 0xac, 0x22,
/* the real start code is here */
0x00, 0x00, 0x01, 0x20, 0x4a, 0xfd, 0xf5, 0x50
static GstMpegVideoPacketTypeCode ordercode[] = {
GST_START_TEST (test_mpeg_parse)
gint i, off;
GstMpegVideoPacket packet;
off = 12;
for (i = 0; i < 4; ++i) {
fail_unless (gst_mpeg_video_parse (&packet, mpeg2_seq, sizeof (mpeg2_seq),
fail_unless (packet.offset == off + 4);
if (i == 3) {
fail_unless (GST_MPEG_VIDEO_PACKET_SLICE_MIN <= packet.type &&
fail_unless (packet.size < 0);
} else {
assert_equals_int (ordercode[i], packet.type);
off = packet.offset + packet.size;
GST_START_TEST (test_mpeg_parse_sequence_header)
GstMpegVideoSequenceHdr seqhdr;
GstMpegVideoPacket packet;
gst_mpeg_video_parse (&packet, mpeg2_seq, sizeof (mpeg2_seq), 12);
fail_unless (packet.type == GST_MPEG_VIDEO_PACKET_SEQUENCE);
fail_unless (gst_mpeg_video_packet_parse_sequence_header (&packet, &seqhdr));
assert_equals_int (seqhdr.width, 1920);
assert_equals_int (seqhdr.height, 1080);
assert_equals_int (seqhdr.aspect_ratio_info, 3);
assert_equals_int (seqhdr.par_w, 64);
assert_equals_int (seqhdr.par_h, 45);
assert_equals_int (seqhdr.frame_rate_code, 7);
assert_equals_int (seqhdr.fps_n, 60000);
assert_equals_int (seqhdr.fps_d, 1001);
assert_equals_int (seqhdr.bitrate_value, 262143);
assert_equals_int (seqhdr.bitrate, 0);
assert_equals_int (seqhdr.vbv_buffer_size_value, 512);
fail_unless (seqhdr.constrained_parameters_flag == FALSE);
GST_START_TEST (test_mpeg_parse_sequence_extension)
GstMpegVideoSequenceExt seqext;
GstMpegVideoPacket packet;
gst_mpeg_video_parse (&packet, mpeg2_seq, sizeof (mpeg2_seq), 24);
fail_unless (packet.type == GST_MPEG_VIDEO_PACKET_EXTENSION);
fail_unless (gst_mpeg_video_packet_parse_sequence_extension (&packet,
assert_equals_int (seqext.profile, 4);
assert_equals_int (seqext.level, 8);
assert_equals_int (, 1);
assert_equals_int (seqext.chroma_format, 1);
assert_equals_int (seqext.horiz_size_ext, 0);
assert_equals_int (seqext.vert_size_ext, 0);
assert_equals_int (seqext.vert_size_ext, 0);
assert_equals_int (seqext.bitrate_ext, 8);
assert_equals_int (seqext.vbv_buffer_size_extension, 3);
assert_equals_int (seqext.low_delay, 0);
assert_equals_int (seqext.fps_n_ext, 3);
assert_equals_int (seqext.fps_d_ext, 2);
GST_START_TEST (test_mis_identified_datas)
GstMpegVideoPacket packet = { 0, };
const guint8 *data = mis_identified_datas;
gint i, off;
off = 0;
for (i = 0; i < 2; i++) {
gst_mpeg_video_parse (&packet, mis_identified_datas,
sizeof (mis_identified_datas), off);
assert_equals_int (data[packet.offset - 4], 0);
assert_equals_int (data[packet.offset - 3], 0);
assert_equals_int (data[packet.offset - 2], 1);
off = packet.offset + packet.size;
if (i == 1)
fail_unless (packet.size < 0);
fail_unless (packet.size > 0);
static Suite *
mpegvideoparsers_suite (void)
Suite *s = suite_create ("Video Parsers library");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_mpeg_parse);
tcase_add_test (tc_chain, test_mpeg_parse_sequence_header);
tcase_add_test (tc_chain, test_mpeg_parse_sequence_extension);
tcase_add_test (tc_chain, test_mis_identified_datas);
return s;
GST_CHECK_MAIN (mpegvideoparsers);