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Minimal support for the new pixel formats in libavcodec 

Originally committed as revision 6115 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Abeni 2006-08-28 14:56:47 +00:00
parent be484a2cc9
commit 00b2fa864e
1 changed files with 139 additions and 0 deletions
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139
libavcodec/imgconvert.c
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@ -235,6 +235,111 @@ static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
.depth = 8,
.x_chroma_shift = 2, .y_chroma_shift = 0,
},
[PIX_FMT_BGR32] = {
.name = "bgr32",
.nb_channels = 4, .is_alpha = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_BGR565] = {
.name = "bgr565",
.nb_channels = 3,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 5,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_BGR555] = {
.name = "bgr555",
.nb_channels = 4, .is_alpha = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 5,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGB8] = {
.name = "rgb8",
.nb_channels = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGB4] = {
.name = "rgb4",
.nb_channels = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 4,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGB4_BYTE] = {
.name = "rgb4_byte",
.nb_channels = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_BGR8] = {
.name = "bgr8",
.nb_channels = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_BGR4] = {
.name = "bgr4",
.nb_channels = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 4,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_BGR4_BYTE] = {
.name = "bgr4_byte",
.nb_channels = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_NV12] = {
.name = "nv12",
.nb_channels = 2,
.color_type = FF_COLOR_YUV,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 1, .y_chroma_shift = 1,
},
[PIX_FMT_NV21] = {
.name = "nv12",
.nb_channels = 2,
.color_type = FF_COLOR_YUV,
.pixel_type = FF_PIXEL_PLANAR,
.depth = 8,
.x_chroma_shift = 1, .y_chroma_shift = 1,
},
[PIX_FMT_BGR32_1] = {
.name = "bgr32_1",
.nb_channels = 4, .is_alpha = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
[PIX_FMT_RGB32_1] = {
.name = "rgb32_1",
.nb_channels = 4, .is_alpha = 1,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 8,
.x_chroma_shift = 0, .y_chroma_shift = 0,
},
};
void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift)
@ -292,6 +397,18 @@ int avpicture_fill(AVPicture *picture, uint8_t *ptr,
picture->linesize[1] = w2;
picture->linesize[2] = w2;
return size + 2 * size2;
case PIX_FMT_NV12:
case PIX_FMT_NV21:
w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
size2 = w2 * h2 * 2;
picture->data[0] = ptr;
picture->data[1] = picture->data[0] + size;
picture->data[2] = NULL;
picture->linesize[0] = width;
picture->linesize[1] = w2;
picture->linesize[2] = 0;
return size + 2 * size2;
case PIX_FMT_RGB24:
case PIX_FMT_BGR24:
picture->data[0] = ptr;
@ -300,11 +417,16 @@ int avpicture_fill(AVPicture *picture, uint8_t *ptr,
picture->linesize[0] = width * 3;
return size * 3;
case PIX_FMT_RGBA32:
case PIX_FMT_BGR32:
case PIX_FMT_RGB32_1:
case PIX_FMT_BGR32_1:
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = width * 4;
return size * 4;
case PIX_FMT_BGR555:
case PIX_FMT_BGR565:
case PIX_FMT_RGB555:
case PIX_FMT_RGB565:
case PIX_FMT_YUV422:
@ -325,12 +447,23 @@ int avpicture_fill(AVPicture *picture, uint8_t *ptr,
picture->data[2] = NULL;
picture->linesize[0] = width + width/2;
return size + size/2;
case PIX_FMT_RGB8:
case PIX_FMT_BGR8:
case PIX_FMT_RGB4_BYTE:
case PIX_FMT_BGR4_BYTE:
case PIX_FMT_GRAY8:
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = width;
return size;
case PIX_FMT_RGB4:
case PIX_FMT_BGR4:
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->linesize[0] = width / 2;
return size / 2;
case PIX_FMT_MONOWHITE:
case PIX_FMT_MONOBLACK:
picture->data[0] = ptr;
@ -370,6 +503,8 @@ int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
if (pf->pixel_type == FF_PIXEL_PACKED || pf->pixel_type == FF_PIXEL_PALETTE) {
if (pix_fmt == PIX_FMT_YUV422 ||
pix_fmt == PIX_FMT_UYVY422 ||
pix_fmt == PIX_FMT_BGR565 ||
pix_fmt == PIX_FMT_BGR565 ||
pix_fmt == PIX_FMT_RGB565 ||
pix_fmt == PIX_FMT_RGB555)
w = width * 2;
@ -484,6 +619,8 @@ static int avg_bits_per_pixel(int pix_fmt)
case PIX_FMT_UYVY422:
case PIX_FMT_RGB565:
case PIX_FMT_RGB555:
case PIX_FMT_BGR565:
case PIX_FMT_BGR555:
bits = 16;
break;
case PIX_FMT_UYVY411:
@ -602,6 +739,8 @@ void img_copy(AVPicture *dst, const AVPicture *src,
case PIX_FMT_UYVY422:
case PIX_FMT_RGB565:
case PIX_FMT_RGB555:
case PIX_FMT_BGR565:
case PIX_FMT_BGR555:
bits = 16;
break;
case PIX_FMT_UYVY411: