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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-09-02 16:42:33 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-09-20 18:40:33 +0200 |
| commit | b4d2888ce8d15818b7d839e3bc0ec8e9cca17615 (patch) | |
| tree | b958112d9e1f92dd5ecbca5939ba832de304a940 | |
| parent | b3f30cb6d63d75ba132a45ed22d118a33701b3a0 (diff) | |
| download | ffmpeg-b4d2888ce8d15818b7d839e3bc0ec8e9cca17615.tar.gz | |
avformat/swfdec: Do not change the pixel format
This is currently not supported
Fixes part of Ticket 3539
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit c2430304dfb3cc0e3a59ce6d1b59ebdcc934a0c2)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/swfdec.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/libavformat/swfdec.c b/libavformat/swfdec.c index babaaa182f..91db06d55c 100644 --- a/libavformat/swfdec.c +++ b/libavformat/swfdec.c @@ -289,6 +289,7 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt) const int bmp_fmt = avio_r8(pb); const int width = avio_rl16(pb); const int height = avio_rl16(pb); + int pix_fmt; len -= 2+1+2+2; @@ -367,7 +368,7 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt) switch (bmp_fmt) { case 3: - st->codec->pix_fmt = AV_PIX_FMT_PAL8; + pix_fmt = AV_PIX_FMT_PAL8; for (i = 0; i < colormapsize; i++) if (alpha_bmp) colormap[i] = buf[3]<<24 | AV_RB24(buf + 4*i); else colormap[i] = 0xffU <<24 | AV_RB24(buf + 3*i); @@ -379,14 +380,20 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt) memcpy(pal, colormap, AVPALETTE_SIZE); break; case 4: - st->codec->pix_fmt = AV_PIX_FMT_RGB555; + pix_fmt = AV_PIX_FMT_RGB555; break; case 5: - st->codec->pix_fmt = alpha_bmp ? AV_PIX_FMT_ARGB : AV_PIX_FMT_0RGB; + pix_fmt = alpha_bmp ? AV_PIX_FMT_ARGB : AV_PIX_FMT_0RGB; break; default: av_assert0(0); } + if (st->codec->pix_fmt != AV_PIX_FMT_NONE && st->codec->pix_fmt != pix_fmt) { + av_log(s, AV_LOG_ERROR, "pixel format change unsupported\n"); + res = AVERROR_PATCHWELCOME; + goto bitmap_end; + } + st->codec->pix_fmt = pix_fmt; if (linesize * height > pkt->size) { res = AVERROR_INVALIDDATA; |