mp_image moved to libmpcodecs

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5610 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 100 insertions, 0 deletions

diff --git a/libmpcodecs/mp_image.h b/libmpcodecs/mp_image.h
new file mode 100644
index 0000000000..c92e213ff0
--- /dev/null
+++ b/libmpcodecs/mp_image.h
@@ -0,0 +1,100 @@
+#ifndef __MP_IMAGE_H
+#define __MP_IMAGE_H 1
+
+// set if buffer content shouldn't be modified:
+#define MP_IMGFLAG_PRESERVE 0x01
+// set if buffer content will be READED for next frame's MC: (I/P mpeg frames)
+#define MP_IMGFLAG_READABLE 0x02
+// set if buffer is allocated (used in destination images):
+#define MP_IMGFLAG_ALLOCATED 0x04
+// set if it's in video buffer/memory:
+#define MP_IMGFLAG_DIRECT 0x08
+// codec accept any stride (>=width):
+#define MP_IMGFLAG_ACCEPT_STRIDE 0x10
+// codec accept any width (width*bpp=stride) (>=width):
+#define MP_IMGFLAG_ACCEPT_WIDTH 0x20
+// stride should be aligned to 16-byte (MB) boundary:
+#define MP_IMGFLAG_ALIGNED_STRIDE 0x40
+// codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2)
+#define MP_IMGFLAG_DRAW_CALLBACK 0x80
+
+// set if number of planes > 1
+#define MP_IMGFLAG_PLANAR 0x100
+// set if it's YUV colorspace
+#define MP_IMGFLAG_YUV 0x200
+// set if it's swapped plane/byteorder
+#define MP_IMGFLAG_SWAPPED 0x400
+// type displayed (do not set this flag - it's for internal use!)
+#define MP_IMGFLAG_TYPE_DISPLAYED 0x800
+
+// codec doesn't support any form of direct rendering - it has own buffer
+// allocation. so we just export its buffer pointers:
+#define MP_IMGTYPE_EXPORT 0
+// codec requires a static WO buffer, but it does only partial updates later:
+#define MP_IMGTYPE_STATIC 1
+// codec just needs some WO memory, where it writes/copies the whole frame to:
+#define MP_IMGTYPE_TEMP 2
+// I+P type, requires 2+ independent static R/W buffers
+#define MP_IMGTYPE_IP 3
+// I+P+B type, requires 2+ independent static R/W and 1+ temp WO buffers
+#define MP_IMGTYPE_IPB 4
+
+typedef struct mp_image_s {
+    unsigned short flags;
+    unsigned char type;
+    unsigned char bpp;  // bits/pixel. NOT depth! for RGB it will be n*8
+    unsigned int imgfmt;
+    int width,height;  // stored dimensions
+    int x,y,w,h;  // visible dimensions
+    unsigned char* planes[3];
+    unsigned int stride[3];
+    int* qscale;
+    int qstride;
+} mp_image_t;
+
+#ifdef IMGFMT_YUY2
+static inline void mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){
+    mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED);
+    mpi->imgfmt=out_fmt;
+    if( (out_fmt&IMGFMT_RGB_MASK) == IMGFMT_RGB ){
+	mpi->bpp=((out_fmt&255)+7)&(~7);
+	return;
+    }
+    if( (out_fmt&IMGFMT_BGR_MASK) == IMGFMT_BGR ){
+	mpi->bpp=((out_fmt&255)+7)&(~7);
+	mpi->flags|=MP_IMGFLAG_SWAPPED;
+	return;
+    }
+    mpi->flags|=MP_IMGFLAG_YUV;
+    switch(out_fmt){
+    case IMGFMT_I420:
+    case IMGFMT_IYUV:
+	mpi->flags|=MP_IMGFLAG_SWAPPED;
+    case IMGFMT_YV12:
+	mpi->flags|=MP_IMGFLAG_PLANAR;
+	mpi->bpp=12;
+	return;
+    case IMGFMT_UYVY:
+	mpi->flags|=MP_IMGFLAG_SWAPPED;
+    case IMGFMT_YUY2:
+	mpi->bpp=16;
+	return;
+    case IMGFMT_MPEGPES:
+	mpi->bpp=0;
+	return;
+    }
+    printf("mp_image: Unknown out_fmt: 0x%X\n",out_fmt);
+    mpi->bpp=0;
+}
+#endif
+
+static inline mp_image_t* new_mp_image(int w,int h){
+    mp_image_t* mpi=malloc(sizeof(mp_image_t));
+    if(!mpi) return NULL; // error!
+    memset(mpi,0,sizeof(mp_image_t));
+    mpi->width=mpi->w=w;
+    mpi->height=mpi->h=h;
+    return mpi;
+}
+
+#endif