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per frame crc support

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Originally committed as revision 4677 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-11-05 00:10:22 +00:00
parent c555392a5b
commit 840fb7a76d
1 changed files with 26 additions and 1 deletions
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27
libavformat/crc.c
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@ -83,7 +83,18 @@ static int crc_write_trailer(struct AVFormatContext *s)
CRCState *crc = s->priv_data;
char buf[64];
snprintf(buf, sizeof(buf), "CRC=%08x\n", crc->crcval);
snprintf(buf, sizeof(buf), "CRC=0x%08x\n", crc->crcval);
put_buffer(&s->pb, buf, strlen(buf));
put_flush_packet(&s->pb);
return 0;
}
static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
{
uint32_t crc = update_adler32(0, pkt->data, pkt->size);
char buf[256];
snprintf(buf, sizeof(buf), "%d, %Ld, %d, 0x%08x\n", pkt->stream_index, pkt->dts, pkt->size, crc);
put_buffer(&s->pb, buf, strlen(buf));
put_flush_packet(&s->pb);
return 0;
@ -102,8 +113,22 @@ static AVOutputFormat crc_format = {
crc_write_trailer,
};
static AVOutputFormat framecrc_format = {
"framecrc",
"framecrc testing format",
NULL,
"",
0,
CODEC_ID_PCM_S16LE,
CODEC_ID_RAWVIDEO,
NULL,
framecrc_write_packet,
NULL,
};
int crc_init(void)
{
av_register_output_format(&crc_format);
av_register_output_format(&framecrc_format);
return 0;
}