diff options
Diffstat (limited to 'ffmpeg/libavformat/framecrcenc.c')
| -rw-r--r-- | ffmpeg/libavformat/framecrcenc.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/ffmpeg/libavformat/framecrcenc.c b/ffmpeg/libavformat/framecrcenc.c index 92f2e91..dbe49b5 100644 --- a/ffmpeg/libavformat/framecrcenc.c +++ b/ffmpeg/libavformat/framecrcenc.c @@ -34,19 +34,27 @@ static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt) if (pkt->flags != AV_PKT_FLAG_KEY) av_strlcatf(buf, sizeof(buf), ", F=0x%0X", pkt->flags); if (pkt->side_data_elems) { - int i; + int i, j; av_strlcatf(buf, sizeof(buf), ", S=%d", pkt->side_data_elems); for (i=0; i<pkt->side_data_elems; i++) { - uint32_t side_data_crc = av_adler32_update(0, - pkt->side_data[i].data, - pkt->side_data[i].size); + uint32_t side_data_crc = 0; + if (HAVE_BIGENDIAN && AV_PKT_DATA_PALETTE == pkt->side_data[i].type) { + for (j=0; j<pkt->side_data[i].size; j++) { + side_data_crc = av_adler32_update(side_data_crc, + pkt->side_data[i].data + (j^3), + 1); + } + } else { + side_data_crc = av_adler32_update(0, + pkt->side_data[i].data, + pkt->side_data[i].size); + } av_strlcatf(buf, sizeof(buf), ", %8d, 0x%08x", pkt->side_data[i].size, side_data_crc); } } av_strlcatf(buf, sizeof(buf), "\n"); avio_write(s->pb, buf, strlen(buf)); - avio_flush(s->pb); return 0; } @@ -57,5 +65,6 @@ AVOutputFormat ff_framecrc_muxer = { .video_codec = AV_CODEC_ID_RAWVIDEO, .write_header = ff_framehash_write_header, .write_packet = framecrc_write_packet, - .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT, + .flags = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT | + AVFMT_TS_NEGATIVE, }; |