--- /dev/null
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+/*!\file
+ * \brief Describes the vpx image descriptor and associated operations
+ *
+ */
+#ifndef VPX_VPX_IMAGE_H_
+#define VPX_VPX_IMAGE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ /*!\brief Current ABI version number
+ *
+ * \internal
+ * If this file is altered in any way that changes the ABI, this value
+ * must be bumped. Examples include, but are not limited to, changing
+ * types, removing or reassigning enums, adding/removing/rearranging
+ * fields to structures
+ */
+#define VPX_IMAGE_ABI_VERSION (3) /**<\hideinitializer*/
+
+
+#define VPX_IMG_FMT_PLANAR 0x100 /**< Image is a planar format. */
+#define VPX_IMG_FMT_UV_FLIP 0x200 /**< V plane precedes U in memory. */
+#define VPX_IMG_FMT_HAS_ALPHA 0x400 /**< Image has an alpha channel. */
+#define VPX_IMG_FMT_HIGHBITDEPTH 0x800 /**< Image uses 16bit framebuffer. */
+
+ /*!\brief List of supported image formats */
+ typedef enum vpx_img_fmt {
+ VPX_IMG_FMT_NONE,
+ VPX_IMG_FMT_RGB24, /**< 24 bit per pixel packed RGB */
+ VPX_IMG_FMT_RGB32, /**< 32 bit per pixel packed 0RGB */
+ VPX_IMG_FMT_RGB565, /**< 16 bit per pixel, 565 */
+ VPX_IMG_FMT_RGB555, /**< 16 bit per pixel, 555 */
+ VPX_IMG_FMT_UYVY, /**< UYVY packed YUV */
+ VPX_IMG_FMT_YUY2, /**< YUYV packed YUV */
+ VPX_IMG_FMT_YVYU, /**< YVYU packed YUV */
+ VPX_IMG_FMT_BGR24, /**< 24 bit per pixel packed BGR */
+ VPX_IMG_FMT_RGB32_LE, /**< 32 bit packed BGR0 */
+ VPX_IMG_FMT_ARGB, /**< 32 bit packed ARGB, alpha=255 */
+ VPX_IMG_FMT_ARGB_LE, /**< 32 bit packed BGRA, alpha=255 */
+ VPX_IMG_FMT_RGB565_LE, /**< 16 bit per pixel, gggbbbbb rrrrrggg */
+ VPX_IMG_FMT_RGB555_LE, /**< 16 bit per pixel, gggbbbbb 0rrrrrgg */
+ VPX_IMG_FMT_YV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 1, /**< planar YVU */
+ VPX_IMG_FMT_I420 = VPX_IMG_FMT_PLANAR | 2,
+ VPX_IMG_FMT_VPXYV12 = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_UV_FLIP | 3, /** < planar 4:2:0 format with vpx color space */
+ VPX_IMG_FMT_VPXI420 = VPX_IMG_FMT_PLANAR | 4,
+ VPX_IMG_FMT_I422 = VPX_IMG_FMT_PLANAR | 5,
+ VPX_IMG_FMT_I444 = VPX_IMG_FMT_PLANAR | 6,
+ VPX_IMG_FMT_I440 = VPX_IMG_FMT_PLANAR | 7,
+ VPX_IMG_FMT_444A = VPX_IMG_FMT_PLANAR | VPX_IMG_FMT_HAS_ALPHA | 6,
+ VPX_IMG_FMT_I42016 = VPX_IMG_FMT_I420 | VPX_IMG_FMT_HIGHBITDEPTH,
+ VPX_IMG_FMT_I42216 = VPX_IMG_FMT_I422 | VPX_IMG_FMT_HIGHBITDEPTH,
+ VPX_IMG_FMT_I44416 = VPX_IMG_FMT_I444 | VPX_IMG_FMT_HIGHBITDEPTH,
+ VPX_IMG_FMT_I44016 = VPX_IMG_FMT_I440 | VPX_IMG_FMT_HIGHBITDEPTH
+ } vpx_img_fmt_t; /**< alias for enum vpx_img_fmt */
+
+ /*!\brief List of supported color spaces */
+ typedef enum vpx_color_space {
+ VPX_CS_UNKNOWN = 0, /**< Unknown */
+ VPX_CS_BT_601 = 1, /**< BT.601 */
+ VPX_CS_BT_709 = 2, /**< BT.709 */
+ VPX_CS_SMPTE_170 = 3, /**< SMPTE.170 */
+ VPX_CS_SMPTE_240 = 4, /**< SMPTE.240 */
+ VPX_CS_BT_2020 = 5, /**< BT.2020 */
+ VPX_CS_RESERVED = 6, /**< Reserved */
+ VPX_CS_SRGB = 7 /**< sRGB */
+ } vpx_color_space_t; /**< alias for enum vpx_color_space */
+
+ /**\brief Image Descriptor */
+ typedef struct vpx_image {
+ vpx_img_fmt_t fmt; /**< Image Format */
+ vpx_color_space_t cs; /**< Color Space */
+
+ /* Image storage dimensions */
+ unsigned int w; /**< Stored image width */
+ unsigned int h; /**< Stored image height */
+ unsigned int bit_depth; /**< Stored image bit-depth */
+
+ /* Image display dimensions */
+ unsigned int d_w; /**< Displayed image width */
+ unsigned int d_h; /**< Displayed image height */
+
+ /* Chroma subsampling info */
+ unsigned int x_chroma_shift; /**< subsampling order, X */
+ unsigned int y_chroma_shift; /**< subsampling order, Y */
+
+ /* Image data pointers. */
+#define VPX_PLANE_PACKED 0 /**< To be used for all packed formats */
+#define VPX_PLANE_Y 0 /**< Y (Luminance) plane */
+#define VPX_PLANE_U 1 /**< U (Chroma) plane */
+#define VPX_PLANE_V 2 /**< V (Chroma) plane */
+#define VPX_PLANE_ALPHA 3 /**< A (Transparency) plane */
+ unsigned char *planes[4]; /**< pointer to the top left pixel for each plane */
+ int stride[4]; /**< stride between rows for each plane */
+
+ int bps; /**< bits per sample (for packed formats) */
+
+ /* The following member may be set by the application to associate data
+ * with this image.
+ */
+ void *user_priv; /**< may be set by the application to associate data
+ * with this image. */
+
+ /* The following members should be treated as private. */
+ unsigned char *img_data; /**< private */
+ int img_data_owner; /**< private */
+ int self_allocd; /**< private */
+
+ void *fb_priv; /**< Frame buffer data associated with the image. */
+ } vpx_image_t; /**< alias for struct vpx_image */
+
+ /**\brief Representation of a rectangle on a surface */
+ typedef struct vpx_image_rect {
+ unsigned int x; /**< leftmost column */
+ unsigned int y; /**< topmost row */
+ unsigned int w; /**< width */
+ unsigned int h; /**< height */
+ } vpx_image_rect_t; /**< alias for struct vpx_image_rect */
+
+ /*!\brief Open a descriptor, allocating storage for the underlying image
+ *
+ * Returns a descriptor for storing an image of the given format. The
+ * storage for the descriptor is allocated on the heap.
+ *
+ * \param[in] img Pointer to storage for descriptor. If this parameter
+ * is NULL, the storage for the descriptor will be
+ * allocated on the heap.
+ * \param[in] fmt Format for the image
+ * \param[in] d_w Width of the image
+ * \param[in] d_h Height of the image
+ * \param[in] align Alignment, in bytes, of the image buffer and
+ * each row in the image(stride).
+ *
+ * \return Returns a pointer to the initialized image descriptor. If the img
+ * parameter is non-null, the value of the img parameter will be
+ * returned.
+ */
+ vpx_image_t *vpx_img_alloc(vpx_image_t *img,
+ vpx_img_fmt_t fmt,
+ unsigned int d_w,
+ unsigned int d_h,
+ unsigned int align);
+
+ /*!\brief Open a descriptor, using existing storage for the underlying image
+ *
+ * Returns a descriptor for storing an image of the given format. The
+ * storage for descriptor has been allocated elsewhere, and a descriptor is
+ * desired to "wrap" that storage.
+ *
+ * \param[in] img Pointer to storage for descriptor. If this parameter
+ * is NULL, the storage for the descriptor will be
+ * allocated on the heap.
+ * \param[in] fmt Format for the image
+ * \param[in] d_w Width of the image
+ * \param[in] d_h Height of the image
+ * \param[in] align Alignment, in bytes, of each row in the image.
+ * \param[in] img_data Storage to use for the image
+ *
+ * \return Returns a pointer to the initialized image descriptor. If the img
+ * parameter is non-null, the value of the img parameter will be
+ * returned.
+ */
+ vpx_image_t *vpx_img_wrap(vpx_image_t *img,
+ vpx_img_fmt_t fmt,
+ unsigned int d_w,
+ unsigned int d_h,
+ unsigned int align,
+ unsigned char *img_data);
+
+
+ /*!\brief Set the rectangle identifying the displayed portion of the image
+ *
+ * Updates the displayed rectangle (aka viewport) on the image surface to
+ * match the specified coordinates and size.
+ *
+ * \param[in] img Image descriptor
+ * \param[in] x leftmost column
+ * \param[in] y topmost row
+ * \param[in] w width
+ * \param[in] h height
+ *
+ * \return 0 if the requested rectangle is valid, nonzero otherwise.
+ */
+ int vpx_img_set_rect(vpx_image_t *img,
+ unsigned int x,
+ unsigned int y,
+ unsigned int w,
+ unsigned int h);
+
+
+ /*!\brief Flip the image vertically (top for bottom)
+ *
+ * Adjusts the image descriptor's pointers and strides to make the image
+ * be referenced upside-down.
+ *
+ * \param[in] img Image descriptor
+ */
+ void vpx_img_flip(vpx_image_t *img);
+
+ /*!\brief Close an image descriptor
+ *
+ * Frees all allocated storage associated with an image descriptor.
+ *
+ * \param[in] img Image descriptor
+ */
+ void vpx_img_free(vpx_image_t *img);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VPX_VPX_IMAGE_H_
*
*/
+#ifdef SWITCH_HAVE_VPX
+#include "vpx/vpx_image.h"
+#if VPX_IMAGE_ABI_VERSION != (3)
+#error VPX_IMAGE_ABI_VERSION is not (3)
+#endif
+#endif
+
#include <switch.h>
#include <switch_utf8.h>
+
+#ifdef SWITCH_HAVE_YUV
#include <libyuv.h>
+#endif
// #define HAVE_LIBGD
#ifdef HAVE_LIBGD
#include <gd.h>
#endif
-
struct pos_el {
switch_img_position_t pos;
const char *name;
return r;
}
+SWITCH_DECLARE(switch_bool_t) switch_core_has_video()
+{
+#ifdef SWITCH_HAVE_VPX
+#ifdef SWITCH_HAVE_YUV
+ return SWITCH_TRUE;
+#else
+ return SWITCH_FALSE;
+#endif
+#else
+ return SWITCH_FALSE;
+#endif
+}
+
SWITCH_DECLARE(switch_image_t *)switch_img_alloc(switch_image_t *img,
switch_img_fmt_t fmt,
unsigned int d_w,
unsigned int d_h,
unsigned int align)
{
+#ifdef SWITCH_HAVE_VPX
#ifdef HAVE_LIBGD
if (fmt == SWITCH_IMG_FMT_GD) {
gdImagePtr gd = gdImageCreateTrueColor(d_w, d_h);
#endif
return (switch_image_t *)vpx_img_alloc((vpx_image_t *)img, (vpx_img_fmt_t)fmt, d_w, d_h, align);
+#else
+ return NULL;
+#endif
}
SWITCH_DECLARE(switch_image_t *)switch_img_wrap(switch_image_t *img,
unsigned int align,
unsigned char *img_data)
{
+#ifdef SWITCH_HAVE_VPX
return (switch_image_t *)vpx_img_wrap((vpx_image_t *)img, (vpx_img_fmt_t)fmt, d_w, d_h, align, img_data);
+#else
+ return NULL;
+#endif
}
SWITCH_DECLARE(int) switch_img_set_rect(switch_image_t *img,
unsigned int w,
unsigned int h)
{
+#ifdef SWITCH_HAVE_VPX
return vpx_img_set_rect((vpx_image_t *)img, x, y, w, h);
+#else
+ return 0;
+#endif
}
SWITCH_DECLARE(void) switch_img_flip(switch_image_t *img)
{
+#ifdef SWITCH_HAVE_VPX
vpx_img_flip((vpx_image_t *)img);
+#endif
}
SWITCH_DECLARE(void) switch_img_free(switch_image_t **img)
{
+#ifdef SWITCH_HAVE_VPX
if (img && *img) {
if ((*img)->fmt == SWITCH_IMG_FMT_GD) {
#ifdef HAVE_LIBGD
vpx_img_free((vpx_image_t *)*img);
*img = NULL;
}
+#endif
}
#ifndef MIN
SWITCH_DECLARE(void) switch_img_patch_rect(switch_image_t *IMG, int X, int Y, switch_image_t *img, uint32_t x, uint32_t y, uint32_t w, uint32_t h)
{
+#ifdef SWITCH_HAVE_VPX
switch_image_t *tmp;
uint8_t *data;
}
switch_img_free(&tmp);
+#endif
}
SWITCH_DECLARE(void) switch_img_copy(switch_image_t *img, switch_image_t **new_img)
SWITCH_DECLARE(switch_image_t *) switch_img_copy_rect(switch_image_t *img, uint32_t x, uint32_t y, uint32_t w, uint32_t h)
{
+#ifdef SWITCH_HAVE_VPX
switch_image_t *new_img = NULL, *tmp;
uint8_t *data;
switch_img_free(&tmp);
return new_img;
+#else
+ return NULL;
+#endif
}
SWITCH_DECLARE(void) switch_img_draw_pixel(switch_image_t *img, int x, int y, switch_rgb_color_t *color)
{
+#ifdef SWITCH_HAVE_YUV
switch_yuv_color_t yuv;
if (x < 0 || y < 0 || x >= img->d_w || y >= img->d_h) return;
*(alpha + 2) = color->g;
*(alpha + 3) = color->b;
}
+#endif
}
SWITCH_DECLARE(void) switch_img_fill(switch_image_t *img, int x, int y, int w, int h, switch_rgb_color_t *color)
{
+#ifdef SWITCH_HAVE_YUV
int len, i, max_h;
switch_yuv_color_t yuv_color;
img->planes[SWITCH_PLANE_PACKED], img->d_w * 4);
}
}
+#endif
}
SWITCH_DECLARE(void) switch_img_get_yuv_pixel(switch_image_t *img, switch_yuv_color_t *yuv, int x, int y)
{
+#ifdef SWITCH_HAVE_YUV
// switch_assert(img->fmt == SWITCH_IMG_FMT_I420);
if (x < 0 || y < 0 || x >= img->d_w || y >= img->d_h) return;
yuv->y = *(img->planes[SWITCH_PLANE_Y] + img->stride[SWITCH_PLANE_Y] * y + x);
yuv->u = *(img->planes[SWITCH_PLANE_U] + img->stride[SWITCH_PLANE_U] * y / 2 + x / 2);
yuv->v = *(img->planes[SWITCH_PLANE_V] + img->stride[SWITCH_PLANE_V] * y / 2 + x / 2);
+#endif
}
SWITCH_DECLARE(void) switch_img_get_rgb_pixel(switch_image_t *img, switch_rgb_color_t *rgb, int x, int y)
{
+#ifdef SWITCH_HAVE_YUV
if (x < 0 || y < 0 || x >= img->d_w || y >= img->d_h) return;
if (img->fmt == SWITCH_IMG_FMT_I420) {
rgb->g = *(++a);
rgb->b = *(++a);
}
+#endif
}
SWITCH_DECLARE(void) switch_img_overlay(switch_image_t *IMG, switch_image_t *img, int x, int y, uint8_t alpha)
SWITCH_DECLARE(void) switch_color_rgb2yuv(switch_rgb_color_t *rgb, switch_yuv_color_t *yuv)
{
+#ifdef SWITCH_HAVE_YUV
yuv->y = (uint8_t)(((rgb->r * 4897) >> 14) + ((rgb->g * 9611) >> 14) + ((rgb->b * 1876) >> 14));
yuv->u = (uint8_t)(- ((rgb->r * 2766) >> 14) - ((5426 * rgb->g) >> 14) + rgb->b / 2 + 128);
yuv->v = (uint8_t)(rgb->r / 2 -((6855 * rgb->g) >> 14) - ((rgb->b * 1337) >> 14) + 128);
+#endif
}
#define CLAMP(val) MAX(0, MIN(val, 255))
SWITCH_DECLARE(void) switch_color_yuv2rgb(switch_yuv_color_t *yuv, switch_rgb_color_t *rgb)
{
+#ifdef SWITCH_HAVE_YUV
#if 0
int C = yuv->y - 16;
int D = yuv->u - 128;
rgb->r = CLAMP( yuv->y + ((22457 * (yuv->v-128)) >> 14));
rgb->g = CLAMP((yuv->y - ((715 * (yuv->v-128)) >> 10) - ((5532 * (yuv->u-128)) >> 14)));
rgb->b = CLAMP((yuv->y + ((28384 * (yuv->u-128)) >> 14)));
-}
+#endif
+ }
SWITCH_DECLARE(void) switch_color_set_yuv(switch_yuv_color_t *color, const char *str)
{
+#ifdef SWITCH_HAVE_YUV
switch_rgb_color_t rgb = { 0 };
switch_color_set_rgb(&rgb, str);
switch_color_rgb2yuv(&rgb, color);
+#endif
}
#if SWITCH_HAVE_FREETYPE
projects / thirdparty / freeswitch.git / commitdiff
