ffmpeg | branch: master | Manuel Lauss <manuel.la...@gmail.com> | Mon Mar 17 17:39:44 2025 +0100| [950ad969fb3891ccbc872c05262009f152e678ab] | committer: Manuel Lauss
avcodec/sanm: codec20 decoder codec20 is raw uncompressed image data. It exists in Rebel Assault 1 as a special format for STOR/FTCH and is used again in the Full Throttle Remaster from 2017. Signed-off-by: Manuel Lauss <manuel.la...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=950ad969fb3891ccbc872c05262009f152e678ab --- libavcodec/sanm.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c index 91be83029f..6b1da2e30c 100644 --- a/libavcodec/sanm.c +++ b/libavcodec/sanm.c @@ -947,6 +947,24 @@ static int old_codec2(SANMVideoContext *ctx, GetByteContext *gb, int top, return 0; } +static int old_codec20(SANMVideoContext *ctx, int w, int h) +{ + uint8_t *dst = (uint8_t *)ctx->frm0; + + if (bytestream2_get_bytes_left(&ctx->gb) < w * h) + return AVERROR_INVALIDDATA; + + if (w == ctx->pitch) { + bytestream2_get_bufferu(&ctx->gb, dst, w * h); + } else { + for (int i = 0; i < h; i++) { + bytestream2_get_bufferu(&ctx->gb, dst, w); + dst += ctx->pitch; + } + } + return 0; +} + static inline void codec37_mv(uint8_t *dst, const uint8_t *src, int height, int stride, int x, int y) { @@ -1667,6 +1685,8 @@ static int process_frame_obj(SANMVideoContext *ctx, GetByteContext *gb) case 33: case 34: return old_codec4(ctx, gb, top, left, w, h, param, parm2, codec); + case 20: + return old_codec20(ctx, w, h); case 21: return old_codec21(ctx, gb, top, left, w, h); case 23: _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
