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| author | James Almer <jamrial@gmail.com> | 2016-08-04 16:17:09 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2016-08-04 16:25:32 -0300 |
| commit | 155f4e963021c5b8d6271d1e34219576dcff6906 (patch) | |
| tree | 5b3a0630340c389ceb5592d8658902c7e0b885f1 | |
| parent | f297d1e9e5281e4ed9c0e21b181ba2d0a7735e67 (diff) | |
| download | ffmpeg-155f4e963021c5b8d6271d1e34219576dcff6906.tar.gz | |
avformat/avio: add a crc callback function for CRC-32 IEEE-LE
Reviewed-by: Nicolas George <george@nsup.org>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
| -rw-r--r-- | libavformat/avio_internal.h | 2 | ||||
| -rw-r--r-- | libavformat/aviobuf.c | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/libavformat/avio_internal.h b/libavformat/avio_internal.h index 3867be6e97..fdb323c8f1 100644 --- a/libavformat/avio_internal.h +++ b/libavformat/avio_internal.h @@ -111,6 +111,8 @@ void ffio_init_checksum(AVIOContext *s, unsigned long ffio_get_checksum(AVIOContext *s); unsigned long ff_crc04C11DB7_update(unsigned long checksum, const uint8_t *buf, unsigned int len); +unsigned long ff_crcEDB88320_update(unsigned long checksum, const uint8_t *buf, + unsigned int len); unsigned long ff_crcA001_update(unsigned long checksum, const uint8_t *buf, unsigned int len); diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index 31e72021f1..f3acb324fa 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -560,6 +560,12 @@ unsigned long ff_crc04C11DB7_update(unsigned long checksum, const uint8_t *buf, return av_crc(av_crc_get_table(AV_CRC_32_IEEE), checksum, buf, len); } +unsigned long ff_crcEDB88320_update(unsigned long checksum, const uint8_t *buf, + unsigned int len) +{ + return av_crc(av_crc_get_table(AV_CRC_32_IEEE_LE), checksum, buf, len); +} + unsigned long ff_crcA001_update(unsigned long checksum, const uint8_t *buf, unsigned int len) { |