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tiffenc: Add support for little endian RGB48 and GRAY16

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This commit is contained in:
Alex Converse 2012-09-18 16:45:09 -07:00
parent 8701f4f8e8
commit 298ed797e1
1 changed files with 19 additions and 3 deletions
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22
libavcodec/tiffenc.c
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@ -214,7 +214,7 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
uint32_t *strip_offsets = NULL;
int bytes_per_row;
uint32_t res[2] = { 72, 1 }; // image resolution (72/1)
static const uint16_t bpp_tab[] = { 8, 8, 8, 8 };
uint16_t bpp_tab[] = { 8, 8, 8, 8 };
int ret;
int is_yuv = 0;
uint8_t *yuv_line = NULL;
@ -232,7 +232,22 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
s->subsampling[0] = 1;
s->subsampling[1] = 1;
s->bpp_tab_size = 0;
switch (avctx->pix_fmt) {
case PIX_FMT_RGB48LE:
s->bpp = 48;
s->photometric_interpretation = 2;
s->bpp_tab_size = 3;
for (i = 0; i < s->bpp_tab_size; i++) {
bpp_tab[i] = 16;
}
break;
case PIX_FMT_GRAY16LE:
s->bpp = 16;
s->photometric_interpretation = 1;
s->bpp_tab_size = 1;
bpp_tab[0] = 16;
break;
case PIX_FMT_RGB24:
s->bpp = 24;
s->photometric_interpretation = 2;
@ -272,7 +287,7 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
"This colors format is not supported\n");
return -1;
}
if (!is_yuv)
if (!s->bpp_tab_size)
s->bpp_tab_size = (s->bpp >> 3);
if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE || s->compr == TIFF_LZW)
@ -474,7 +489,8 @@ AVCodec ff_tiff_encoder = {
.priv_data_size = sizeof(TiffEncoderContext),
.encode2 = encode_frame,
.pix_fmts = (const enum PixelFormat[]) {
PIX_FMT_RGB24, PIX_FMT_PAL8, PIX_FMT_GRAY8,
PIX_FMT_RGB24, PIX_FMT_RGB48LE, PIX_FMT_PAL8,
PIX_FMT_GRAY8, PIX_FMT_GRAY16LE,
PIX_FMT_MONOBLACK, PIX_FMT_MONOWHITE,
PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P,
PIX_FMT_YUV410P, PIX_FMT_YUV411P,