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bmpenc: support for PIX_FMT_RGB444

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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Paul B Mahol 2012-01-10 16:06:02 +00:00 committed by Ronald S. Bultje
parent b14fa5572c
commit 84e5159e25
1 changed files with 8 additions and 3 deletions
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11
libavcodec/bmpenc.c
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@ -27,6 +27,7 @@
static const uint32_t monoblack_pal[] = { 0x000000, 0xFFFFFF };
static const uint32_t rgb565_masks[] = { 0xF800, 0x07E0, 0x001F };
static const uint32_t rgb444_masks[] = { 0x0F00, 0x00F0, 0x000F };
static av_cold int bmp_encode_init(AVCodecContext *avctx){
BMPContext *s = avctx->priv_data;
@ -39,9 +40,8 @@ static av_cold int bmp_encode_init(AVCodecContext *avctx){
avctx->bits_per_coded_sample = 24;
break;
case PIX_FMT_RGB555:
avctx->bits_per_coded_sample = 16;
break;
case PIX_FMT_RGB565:
case PIX_FMT_RGB444:
avctx->bits_per_coded_sample = 16;
break;
case PIX_FMT_RGB8:
@ -77,6 +77,11 @@ static int bmp_encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_s
p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
switch (avctx->pix_fmt) {
case PIX_FMT_RGB444:
compression = BMP_BITFIELDS;
pal = rgb444_masks; // abuse pal to hold color masks
pal_entries = 3;
break;
case PIX_FMT_RGB565:
compression = BMP_BITFIELDS;
pal = rgb565_masks; // abuse pal to hold color masks
@ -158,7 +163,7 @@ AVCodec ff_bmp_encoder = {
.encode = bmp_encode_frame,
.pix_fmts = (const enum PixelFormat[]){
PIX_FMT_BGR24,
PIX_FMT_RGB555, PIX_FMT_RGB565,
PIX_FMT_RGB555, PIX_FMT_RGB444, PIX_FMT_RGB565,
PIX_FMT_RGB8, PIX_FMT_BGR8, PIX_FMT_RGB4_BYTE, PIX_FMT_BGR4_BYTE, PIX_FMT_GRAY8, PIX_FMT_PAL8,
PIX_FMT_MONOBLACK,
PIX_FMT_NONE},