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- /*
- * frame CRC encoder (for codec/format testing)
- * Copyright (c) 2002 Fabrice Bellard
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- #include "libavutil/adler32.h"
- #include "avformat.h"
- #include "internal.h"
- static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
- {
- uint32_t crc = av_adler32_update(0, pkt->data, pkt->size);
- char buf[256];
- snprintf(buf, sizeof(buf), "%d, %10"PRId64", %10"PRId64", %8d, %8d, 0x%08x\n",
- pkt->stream_index, pkt->dts, pkt->pts, pkt->duration, pkt->size, crc);
- avio_write(s->pb, buf, strlen(buf));
- avio_flush(s->pb);
- return 0;
- }
- AVOutputFormat ff_framecrc_muxer = {
- .name = "framecrc",
- .long_name = NULL_IF_CONFIG_SMALL("framecrc testing"),
- .audio_codec = AV_CODEC_ID_PCM_S16LE,
- .video_codec = AV_CODEC_ID_RAWVIDEO,
- .write_header = ff_framehash_write_header,
- .write_packet = framecrc_write_packet,
- .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT,
- };
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