);
}
-int avpicture_fill(AVPicture *picture, uint8_t *ptr,
- int pix_fmt, int width, int height)
+int ff_fill_linesize(AVPicture *picture, int pix_fmt, int width)
{
- int size, w2, h2, size2;
+ int w2;
const PixFmtInfo *pinfo;
- if(avcodec_check_dimensions(NULL, width, height))
- goto fail;
+ memset(picture->linesize, 0, sizeof(picture->linesize));
pinfo = &pix_fmt_info[pix_fmt];
- size = width * height;
switch(pix_fmt) {
case PIX_FMT_YUV420P:
case PIX_FMT_YUV422P:
case PIX_FMT_YUVJ444P:
case PIX_FMT_YUVJ440P:
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;
- picture->data[0] = ptr;
- picture->data[1] = picture->data[0] + size;
- picture->data[2] = picture->data[1] + size2;
- picture->data[3] = NULL;
picture->linesize[0] = width;
picture->linesize[1] = w2;
picture->linesize[2] = w2;
- picture->linesize[3] = 0;
- return size + 2 * size2;
+ break;
case PIX_FMT_YUVA420P:
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;
- picture->data[0] = ptr;
- picture->data[1] = picture->data[0] + size;
- picture->data[2] = picture->data[1] + size2;
- picture->data[3] = picture->data[1] + size2 + size2;
picture->linesize[0] = width;
picture->linesize[1] = w2;
picture->linesize[2] = w2;
picture->linesize[3] = width;
- return 2 * size + 2 * size2;
+ break;
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->data[3] = NULL;
picture->linesize[0] = width;
picture->linesize[1] = w2;
- picture->linesize[2] = 0;
- picture->linesize[3] = 0;
- return size + 2 * size2;
+ break;
case PIX_FMT_RGB24:
case PIX_FMT_BGR24:
- picture->data[0] = ptr;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
- picture->data[3] = NULL;
picture->linesize[0] = width * 3;
- return size * 3;
+ break;
case PIX_FMT_RGB32:
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->data[3] = NULL;
picture->linesize[0] = width * 4;
- return size * 4;
+ break;
case PIX_FMT_GRAY16BE:
case PIX_FMT_GRAY16LE:
case PIX_FMT_BGR555:
case PIX_FMT_RGB555:
case PIX_FMT_RGB565:
case PIX_FMT_YUYV422:
- picture->data[0] = ptr;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
- picture->data[3] = NULL;
picture->linesize[0] = width * 2;
- return size * 2;
+ break;
case PIX_FMT_UYVY422:
- picture->data[0] = ptr;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
- picture->data[3] = NULL;
picture->linesize[0] = width * 2;
- return size * 2;
+ break;
case PIX_FMT_UYYVYY411:
- picture->data[0] = ptr;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
- picture->data[3] = NULL;
picture->linesize[0] = width + width/2;
- return size + size/2;
+ break;
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->data[3] = NULL;
picture->linesize[0] = width;
- return size;
+ break;
case PIX_FMT_RGB4:
case PIX_FMT_BGR4:
+ picture->linesize[0] = width / 2;
+ break;
+ case PIX_FMT_MONOWHITE:
+ case PIX_FMT_MONOBLACK:
+ picture->linesize[0] = (width + 7) >> 3;
+ break;
+ case PIX_FMT_PAL8:
+ picture->linesize[0] = width;
+ picture->linesize[1] = 4;
+ break;
+ default:
+ return -1;
+ }
+ return 0;
+}
+
+int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, int pix_fmt,
+ int height)
+{
+ int size, h2, size2;
+ const PixFmtInfo *pinfo;
+
+ pinfo = &pix_fmt_info[pix_fmt];
+ size = picture->linesize[0] * height;
+ switch(pix_fmt) {
+ case PIX_FMT_YUV420P:
+ case PIX_FMT_YUV422P:
+ case PIX_FMT_YUV444P:
+ case PIX_FMT_YUV410P:
+ case PIX_FMT_YUV411P:
+ case PIX_FMT_YUV440P:
+ case PIX_FMT_YUVJ420P:
+ case PIX_FMT_YUVJ422P:
+ case PIX_FMT_YUVJ444P:
+ case PIX_FMT_YUVJ440P:
+ h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
+ size2 = picture->linesize[1] * h2;
picture->data[0] = ptr;
- picture->data[1] = NULL;
+ picture->data[1] = picture->data[0] + size;
+ picture->data[2] = picture->data[1] + size2;
+ picture->data[3] = NULL;
+ return size + 2 * size2;
+ case PIX_FMT_YUVA420P:
+ h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
+ size2 = picture->linesize[1] * h2;
+ picture->data[0] = ptr;
+ picture->data[1] = picture->data[0] + size;
+ picture->data[2] = picture->data[1] + size2;
+ picture->data[3] = picture->data[1] + size2 + size2;
+ return 2 * size + 2 * size2;
+ case PIX_FMT_NV12:
+ case PIX_FMT_NV21:
+ h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
+ size2 = picture->linesize[1] * h2 * 2;
+ picture->data[0] = ptr;
+ picture->data[1] = picture->data[0] + size;
picture->data[2] = NULL;
picture->data[3] = NULL;
- picture->linesize[0] = width / 2;
- return size / 2;
+ return size + 2 * size2;
+ case PIX_FMT_RGB24:
+ case PIX_FMT_BGR24:
+ case PIX_FMT_RGB32:
+ case PIX_FMT_BGR32:
+ case PIX_FMT_RGB32_1:
+ case PIX_FMT_BGR32_1:
+ case PIX_FMT_GRAY16BE:
+ case PIX_FMT_GRAY16LE:
+ case PIX_FMT_BGR555:
+ case PIX_FMT_BGR565:
+ case PIX_FMT_RGB555:
+ case PIX_FMT_RGB565:
+ case PIX_FMT_YUYV422:
+ case PIX_FMT_UYVY422:
+ case PIX_FMT_UYYVYY411:
+ case PIX_FMT_RGB8:
+ case PIX_FMT_BGR8:
+ case PIX_FMT_RGB4_BYTE:
+ case PIX_FMT_BGR4_BYTE:
+ case PIX_FMT_GRAY8:
+ case PIX_FMT_RGB4:
+ case PIX_FMT_BGR4:
case PIX_FMT_MONOWHITE:
case PIX_FMT_MONOBLACK:
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;
picture->data[3] = NULL;
- picture->linesize[0] = (width + 7) >> 3;
- return picture->linesize[0] * height;
+ return size;
case PIX_FMT_PAL8:
size2 = (size + 3) & ~3;
picture->data[0] = ptr;
picture->data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */
picture->data[2] = NULL;
picture->data[3] = NULL;
- picture->linesize[0] = width;
- picture->linesize[1] = 4;
return size2 + 256 * 4;
default:
-fail:
picture->data[0] = NULL;
picture->data[1] = NULL;
picture->data[2] = NULL;
}
}
+int avpicture_fill(AVPicture *picture, uint8_t *ptr,
+ int pix_fmt, int width, int height)
+{
+
+ if(avcodec_check_dimensions(NULL, width, height))
+ return -1;
+
+ if (ff_fill_linesize(picture, pix_fmt, width))
+ return -1;
+
+ return ff_fill_pointer(picture, ptr, pix_fmt, height);
+}
+
int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
unsigned char *dest, int dest_size)
{
}
}
-int av_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane)
+int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane)
{
int bits;
const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
case FF_PIXEL_PLANAR:
for(i = 0; i < pf->nb_channels; i++) {
int w, h;
- int bwidth = av_get_plane_bytewidth(pix_fmt, width, i);
+ int bwidth = ff_get_plane_bytewidth(pix_fmt, width, i);
w = width;
h = height;
if (i == 1 || i == 2) {
}
#endif
-#ifndef CONFIG_SWSCALER
+#ifndef CONFIG_SWSCALE
/* XXX: always use linesize. Return -1 if not supported */
int img_convert(AVPicture *dst, int dst_pix_fmt,
const AVPicture *src, int src_pix_fmt,
int src_width, int src_height)
{
- static int inited;
+ static int initialized;
int i, ret, dst_width, dst_height, int_pix_fmt;
const PixFmtInfo *src_pix, *dst_pix;
const ConvertEntry *ce;
if (src_width <= 0 || src_height <= 0)
return 0;
- if (!inited) {
- inited = 1;
+ if (!initialized) {
+ initialized = 1;
img_convert_init();
}
projects / ffmpeg / blobdiff