mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
47 lines
1.7 KiB
47 lines
1.7 KiB
/* |
|
* frame CRC encoder (for codec/format testing) |
|
* Copyright (c) 2002 Fabrice Bellard |
|
* |
|
* This file is part of Libav. |
|
* |
|
* Libav 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. |
|
* |
|
* Libav 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 Libav; 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 format"), |
|
.extensions = "", |
|
.audio_codec = CODEC_ID_PCM_S16LE, |
|
.video_codec = CODEC_ID_RAWVIDEO, |
|
.write_header = ff_framehash_write_header, |
|
.write_packet = framecrc_write_packet, |
|
.flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT, |
|
};
|
|
|