diff options
| author | Mike Melanson <mike@multimedia.cx> | 2003-09-12 03:48:14 +0000 |
|---|---|---|
| committer | Mike Melanson <mike@multimedia.cx> | 2003-09-12 03:48:14 +0000 |
| commit | ba118447d561a18b35e719f1249a6d578e237c4b (patch) | |
| tree | 3dd2990a29c392df2c2d96c04fb5f34ca97a266c /libavformat | |
| parent | 50f52fcdc3e6a5a7ee6991360a4dcf4a36975ed6 (diff) | |
deploy palette control API
Originally committed as revision 2266 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/wc3movie.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/libavformat/wc3movie.c b/libavformat/wc3movie.c index cdd8c8bdb5..16e4412681 100644 --- a/libavformat/wc3movie.c +++ b/libavformat/wc3movie.c @@ -74,9 +74,6 @@ #define PALETTE_SIZE (256 * 3) #define PALETTE_COUNT 256 -/* palette is 3 bytes per entry plus 1 byte at the front to indicate to the - * decoder if the palette has changed */ -#define PALETTE_CONTROL_SIZE ((PALETTE_COUNT * 3) + 1) typedef struct Wc3DemuxContext { int width; @@ -87,8 +84,7 @@ typedef struct Wc3DemuxContext { int video_stream_index; int audio_stream_index; - /* save a reference to extradata */ - unsigned char *palette_control; + AVPaletteControl palette_control; } Wc3DemuxContext; @@ -163,7 +159,6 @@ static int wc3_read_header(AVFormatContext *s, wc3->palette_count = 0; wc3->pts = 0; wc3->video_stream_index = wc3->audio_stream_index = 0; - wc3->palette_control = av_mallocz(PALETTE_CONTROL_SIZE);; /* skip the first 3 32-bit numbers */ url_fseek(pb, 12, SEEK_CUR); @@ -263,8 +258,8 @@ static int wc3_read_header(AVFormatContext *s, st->codec.height = wc3->height; /* palette considerations */ - st->codec.extradata_size = PALETTE_CONTROL_SIZE; - st->codec.extradata = wc3->palette_control; + st->codec.extradata_size = sizeof(AVPaletteControl); + st->codec.extradata = &wc3->palette_control; st = av_new_stream(s, 0); if (!st) @@ -324,11 +319,10 @@ static int wc3_read_packet(AVFormatContext *s, palette_number = LE_32(&preamble[0]); if (palette_number >= wc3->palette_count) return AVERROR_INVALIDDATA; - memcpy(wc3->palette_control + 1, + memcpy(wc3->palette_control.palette, &wc3->palettes[palette_number * PALETTE_COUNT * 3], PALETTE_COUNT * 3); - /* indicate a palette change */ - wc3->palette_control[0] = 1; + wc3->palette_control.palette_changed = 1; break; case VGA__TAG: @@ -396,7 +390,6 @@ static int wc3_read_close(AVFormatContext *s) Wc3DemuxContext *wc3 = (Wc3DemuxContext *)s->priv_data; av_free(wc3->palettes); - av_free(wc3->palette_control); return 0; } |