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| author | Michael Niedermayer <michaelni@gmx.at> | 2008-10-14 20:34:31 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2008-10-14 20:34:31 +0000 |
| commit | 795bb9dcb06aef5fe56239c102741e229c386959 (patch) | |
| tree | 836639d7f9c008030d9701749b4b578a7ff3ad9e | |
| parent | 1fdcdf8d87fab4fde89b9bf5f81bbf6e088e0950 (diff) | |
| download | ffmpeg-795bb9dcb06aef5fe56239c102741e229c386959.tar.gz | |
Export svq1_packet_checksum() that is needed for svq3 watermarks,
patch by baptiste that is based on reverse engineering work by chrono.
Originally committed as revision 15617 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/svq1dec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c index e693fb6795..8f399ab39d 100644 --- a/libavcodec/svq1dec.c +++ b/libavcodec/svq1dec.c @@ -540,7 +540,7 @@ static int svq1_decode_delta_block (MpegEncContext *s, GetBitContext *bitbuf, return result; } -static uint16_t svq1_packet_checksum (const uint8_t *data, const int length, int value) { +uint16_t ff_svq1_packet_checksum (const uint8_t *data, const int length, int value) { int i; for (i=0; i < length; i++) { @@ -581,7 +581,7 @@ static int svq1_decode_frame_header (GetBitContext *bitbuf,MpegEncContext *s) { if (s->f_code == 0x50 || s->f_code == 0x60) { int csum = get_bits (bitbuf, 16); - csum = svq1_packet_checksum (bitbuf->buffer, bitbuf->size_in_bits>>3, csum); + csum = ff_svq1_packet_checksum (bitbuf->buffer, bitbuf->size_in_bits>>3, csum); // av_log(s->avctx, AV_LOG_INFO, "%s checksum (%02x) for packet data\n", // (csum == 0) ? "correct" : "incorrect", csum); |