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| author | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2011-12-24 12:38:32 +0100 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2011-12-24 12:38:32 +0100 |
| commit | 0d59ae32c231b88c54c086a187fb60e5e0fb5102 (patch) | |
| tree | 8b970a49963587feedce709e6106ece8cb5cc778 | |
| parent | 64cafe340bd5ddfe704efa95cd9f21471ca12a12 (diff) | |
| download | ffmpeg-streaming-0d59ae32c231b88c54c086a187fb60e5e0fb5102.zip ffmpeg-streaming-0d59ae32c231b88c54c086a187fb60e5e0fb5102.tar.gz | |
Make mov palette opaque or load alpha if present.
| -rw-r--r-- | libavformat/mov.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index dd8e92e..9f1e028 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1213,7 +1213,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries) (color_depth == 8)) { /* for palette traversal */ unsigned int color_start, color_count, color_end; - unsigned char r, g, b; + unsigned char a, r, g, b; if (color_greyscale) { int color_index, color_dec; @@ -1228,7 +1228,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries) }else r = g = b = color_index; sc->palette[j] = - (r << 16) | (g << 8) | (b); + (0xFFU << 24) | (r << 16) | (g << 8) | (b); color_index -= color_dec; if (color_index < 0) color_index = 0; @@ -1249,7 +1249,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries) g = color_table[j * 3 + 1]; b = color_table[j * 3 + 2]; sc->palette[j] = - (r << 16) | (g << 8) | (b); + (0xFFU << 24) | (r << 16) | (g << 8) | (b); } } else { /* load the palette from the file */ @@ -1259,10 +1259,9 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries) if ((color_start <= 255) && (color_end <= 255)) { for (j = color_start; j <= color_end; j++) { - /* each R, G, or B component is 16 bits; - * only use the top 8 bits; skip alpha bytes - * up front */ - avio_r8(pb); + /* each A, R, G, or B component is 16 bits; + * only use the top 8 bits */ + a = avio_r8(pb); avio_r8(pb); r = avio_r8(pb); avio_r8(pb); @@ -1271,7 +1270,7 @@ int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries) b = avio_r8(pb); avio_r8(pb); sc->palette[j] = - (r << 16) | (g << 8) | (b); + (a << 24 ) | (r << 16) | (g << 8) | (b); } } } |
