From 28002030f22a18f8086dff4ba5bc18940584445c Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Sat, 14 Jan 2012 10:38:42 +0100 Subject: [PATCH] Support transparency in iff images. Fixes ticket #707. Reviewed-by: Peter Ross --- libavcodec/iff.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/iff.c b/libavcodec/iff.c index 7a11d4310e..c0e4eb4d38 100644 --- a/libavcodec/iff.c +++ b/libavcodec/iff.c @@ -165,6 +165,9 @@ static int ff_cmap_read_palette(AVCodecContext *avctx, uint32_t *pal) pal[i] = 0xFF000000 | gray2rgb((i * 255) >> avctx->bits_per_coded_sample); } } + if (s->masking == MASK_HAS_TRANSPARENT_COLOR && + s->transparency < 1 << avctx->bits_per_coded_sample) + pal[s->transparency] &= 0xFFFFFF; return 0; } @@ -216,10 +219,7 @@ static int extract_header(AVCodecContext *const avctx, s->flags = bytestream_get_byte(&buf); s->transparency = bytestream_get_be16(&buf); s->masking = bytestream_get_byte(&buf); - if (s->masking == MASK_HAS_TRANSPARENT_COLOR) { - av_log(avctx, AV_LOG_ERROR, "Transparency not supported\n"); - return AVERROR_PATCHWELCOME; - } else if (s->masking != MASK_NONE) { + if (s->masking != MASK_NONE && s->masking != MASK_HAS_TRANSPARENT_COLOR) { av_log(avctx, AV_LOG_ERROR, "Masking not supported\n"); return AVERROR_PATCHWELCOME; }