/* 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 * 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. */ #include #include /* 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_MPEG_VIDEO_PACKET_SEQUENCE, GST_MPEG_VIDEO_PACKET_EXTENSION, GST_MPEG_VIDEO_PACKET_GOP, }; 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), off)); fail_unless (packet.offset == off + 4); if (i == 3) { fail_unless (GST_MPEG_VIDEO_PACKET_SLICE_MIN <= packet.type && packet.type <= GST_MPEG_VIDEO_PACKET_SLICE_MAX); fail_unless (packet.size < 0); } else { assert_equals_int (ordercode[i], packet.type); } off = packet.offset + packet.size; } } GST_END_TEST; 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_END_TEST; 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, &seqext)); assert_equals_int (seqext.profile, 4); assert_equals_int (seqext.level, 8); assert_equals_int (seqext.progressive, 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_END_TEST; 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); else fail_unless (packet.size > 0); } } GST_END_TEST; 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);