diff options
| author | Paul B Mahol <onemda@gmail.com> | 2017-02-22 15:32:26 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2017-02-22 21:24:26 +0100 |
| commit | fb5c9be82ea870fd0a7643214ebf8728d8e29991 (patch) | |
| tree | ae1190ff3015e5ce858919ea876b9088ce13106a /libavcodec/qdrw.c | |
| parent | 2c5839254daa069fedcd4355987776b836889af7 (diff) | |
avcodec/qdrw: add support for 0x0001 code
Fixes decoding of files which sets frame width/height this way.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/qdrw.c')
| -rw-r--r-- | libavcodec/qdrw.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/libavcodec/qdrw.c b/libavcodec/qdrw.c index e3d69c226d..2462e2ffcc 100644 --- a/libavcodec/qdrw.c +++ b/libavcodec/qdrw.c @@ -33,6 +33,7 @@ #include "internal.h" enum QuickdrawOpcodes { + CLIP = 0x0001, PACKBITSRECT = 0x0098, PACKBITSRGN, DIRECTBITSRECT, @@ -309,7 +310,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame * const p = data; GetByteContext gbc; int colors; - int w, h, ret; + int w, h, x0, y0, x1, y1, ret; int ver; bytestream2_init(&gbc, avpkt->data, avpkt->size); @@ -353,6 +354,16 @@ static int decode_frame(AVCodecContext *avctx, int opcode = bytestream2_get_be16(&gbc); switch(opcode) { + case CLIP: + bytestream2_get_be16(&gbc); + y0 = bytestream2_get_be16(&gbc); + x0 = bytestream2_get_be16(&gbc); + y1 = bytestream2_get_be16(&gbc); + x1 = bytestream2_get_be16(&gbc); + ret = ff_set_dimensions(avctx, x1 - x0, y1 - y0); + if (ret < 0) + return ret; + break; case PACKBITSRECT: case PACKBITSRGN: av_log(avctx, AV_LOG_DEBUG, "Parsing Packbit opcode\n"); |