FS-7500: add switch_core_video code
This commit is contained in:
Seven Du
Michael Jerris
parent
71cafe536b
commit
bcbdf8a347
|
|
@ -0,0 +1,237 @@
|
|||
/*
|
||||
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
|
||||
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
|
||||
*
|
||||
* Version: MPL 1.1
|
||||
*
|
||||
* The contents of this file are subject to the Mozilla Public License Version
|
||||
* 1.1 (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
* http://www.mozilla.org/MPL/
|
||||
*
|
||||
* Software distributed under the License is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||||
* for the specific language governing rights and limitations under the
|
||||
* License.
|
||||
*
|
||||
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
|
||||
*
|
||||
* The Initial Developer of the Original Code is
|
||||
* Seven Du <dujinfang@gmail.com>
|
||||
* Portions created by the Initial Developer are Copyright (C)
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
*
|
||||
*
|
||||
* switch_core_video.h -- Core Video header
|
||||
*
|
||||
*/
|
||||
/*! \file switch_core_video.h
|
||||
\brief video includes header
|
||||
|
||||
The things powered by libvpx are renamed into the switch_ namespace to provide a cleaner
|
||||
look to things and helps me to document what parts of video I am using I'd like to take this
|
||||
opportunity to thank libvpx for all the awesome stuff it does and for making my life much easier.
|
||||
|
||||
*/
|
||||
#ifndef SWITCH_VIDEO_H
|
||||
#define SWITCH_VIDEO_H
|
||||
|
||||
#include "vpx/vpx_image.h"
|
||||
#include "vpx/vpx_integer.h"
|
||||
|
||||
SWITCH_BEGIN_EXTERN_C
|
||||
|
||||
#define SWITCH_IMG_FMT_PLANAR VPX_IMG_FMT_PLANAR
|
||||
#define SWITCH_IMG_FMT_UV_FLIP VPX_IMG_FMT_UV_FLIP
|
||||
#define SWITCH_IMG_FMT_HAS_ALPHA VPX_IMG_FMT_HAS_ALPHA
|
||||
|
||||
#ifndef VPX_IMG_FMT_HIGH /* not available in libvpx 1.3.0 (see commit hash e97aea28) */
|
||||
#define VPX_IMG_FMT_HIGH 0x800 /**< Image uses 16bit framebuffer */
|
||||
#endif
|
||||
|
||||
#define SWITCH_IMG_FMT_HIGH VPX_IMG_FMT_HIGH
|
||||
|
||||
/*!\brief List of supported image formats */
|
||||
typedef enum switch_img_fmt {
|
||||
SWITCH_IMG_FMT_NONE,
|
||||
SWITCH_IMG_FMT_RGB24, /**< 24 bit per pixel packed RGB */
|
||||
SWITCH_IMG_FMT_RGB32, /**< 32 bit per pixel packed 0RGB */
|
||||
SWITCH_IMG_FMT_RGB565, /**< 16 bit per pixel, 565 */
|
||||
SWITCH_IMG_FMT_RGB555, /**< 16 bit per pixel, 555 */
|
||||
SWITCH_IMG_FMT_UYVY, /**< UYVY packed YUV */
|
||||
SWITCH_IMG_FMT_YUY2, /**< YUYV packed YUV */
|
||||
SWITCH_IMG_FMT_YVYU, /**< YVYU packed YUV */
|
||||
SWITCH_IMG_FMT_BGR24, /**< 24 bit per pixel packed BGR */
|
||||
SWITCH_IMG_FMT_RGB32_LE, /**< 32 bit packed BGR0 */
|
||||
SWITCH_IMG_FMT_ARGB, /**< 32 bit packed ARGB, alpha=255 */
|
||||
SWITCH_IMG_FMT_ARGB_LE, /**< 32 bit packed BGRA, alpha=255 */
|
||||
SWITCH_IMG_FMT_RGB565_LE, /**< 16 bit per pixel, gggbbbbb rrrrrggg */
|
||||
SWITCH_IMG_FMT_RGB555_LE, /**< 16 bit per pixel, gggbbbbb 0rrrrrgg */
|
||||
SWITCH_IMG_FMT_YV12 = SWITCH_IMG_FMT_PLANAR | SWITCH_IMG_FMT_UV_FLIP | 1, /**< planar YVU */
|
||||
SWITCH_IMG_FMT_I420 = SWITCH_IMG_FMT_PLANAR | 2,
|
||||
SWITCH_IMG_FMT_VPXYV12 = SWITCH_IMG_FMT_PLANAR | SWITCH_IMG_FMT_UV_FLIP | 3, /** < planar 4:2:0 format with vpx color space */
|
||||
SWITCH_IMG_FMT_VPXI420 = SWITCH_IMG_FMT_PLANAR | 4,
|
||||
SWITCH_IMG_FMT_I422 = SWITCH_IMG_FMT_PLANAR | 5,
|
||||
SWITCH_IMG_FMT_I444 = SWITCH_IMG_FMT_PLANAR | 6,
|
||||
SWITCH_IMG_FMT_444A = SWITCH_IMG_FMT_PLANAR | SWITCH_IMG_FMT_HAS_ALPHA | 7,
|
||||
SWITCH_IMG_FMT_I42016 = SWITCH_IMG_FMT_I420 | SWITCH_IMG_FMT_HIGH,
|
||||
SWITCH_IMG_FMT_I42216 = SWITCH_IMG_FMT_I422 | SWITCH_IMG_FMT_HIGH,
|
||||
SWITCH_IMG_FMT_I44416 = SWITCH_IMG_FMT_I444 | SWITCH_IMG_FMT_HIGH
|
||||
} switch_img_fmt_t; /**< alias for enum vpx_img_fmt */
|
||||
|
||||
/**\brief Image Descriptor */
|
||||
struct switch_image {
|
||||
switch_img_fmt_t fmt; /**< Image Format */
|
||||
|
||||
/* 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 SWITCH_PLANE_PACKED VPX_PLANE_PACKED
|
||||
#define SWITCH_PLANE_Y VPX_PLANE_Y
|
||||
#define SWITCH_PLANE_U VPX_PLANE_U
|
||||
#define SWITCH_PLANE_V VPX_PLANE_V
|
||||
#define SWITCH_PLANE_ALPHA VPX_PLANE_ALPHA
|
||||
|
||||
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. */
|
||||
};
|
||||
|
||||
/**\brief Representation of a rectangle on a surface */
|
||||
typedef struct switch_image_rect {
|
||||
unsigned int x; /**< leftmost column */
|
||||
unsigned int y; /**< topmost row */
|
||||
unsigned int w; /**< width */
|
||||
unsigned int h; /**< height */
|
||||
} switch_image_rect_t;
|
||||
|
||||
/*!\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.
|
||||
*/
|
||||
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);
|
||||
|
||||
/*!\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.
|
||||
*/
|
||||
SWITCH_DECLARE(switch_image_t *)switch_img_wrap(switch_image_t *img,
|
||||
switch_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.
|
||||
*/
|
||||
SWITCH_DECLARE(int) switch_img_set_rect(switch_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
|
||||
*/
|
||||
SWITCH_DECLARE(void) switch_img_flip(switch_image_t *img);
|
||||
|
||||
/*!\brief Close an image descriptor
|
||||
*
|
||||
* Frees all allocated storage associated with an image descriptor.
|
||||
*
|
||||
* \param[in] img Image descriptor
|
||||
*/
|
||||
SWITCH_DECLARE(void) switch_img_free(switch_image_t *img);
|
||||
|
||||
|
||||
/** @} */
|
||||
|
||||
SWITCH_END_EXTERN_C
|
||||
#endif
|
||||
/* For Emacs:
|
||||
* Local Variables:
|
||||
* mode:c
|
||||
* indent-tabs-mode:t
|
||||
* tab-width:4
|
||||
* c-basic-offset:4
|
||||
* End:
|
||||
* For VIM:
|
||||
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
|
||||
*/
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
/*
|
||||
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
|
||||
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
|
||||
*
|
||||
* Version: MPL 1.1
|
||||
*
|
||||
* The contents of this file are subject to the Mozilla Public License Version
|
||||
* 1.1 (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
* http://www.mozilla.org/MPL/
|
||||
*
|
||||
* Software distributed under the License is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||||
* for the specific language governing rights and limitations under the
|
||||
* License.
|
||||
*
|
||||
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
|
||||
*
|
||||
* The Initial Developer of the Original Code is
|
||||
* Seven Du <dujinfang@gmail.com>
|
||||
* Portions created by the Initial Developer are Copyright (C)
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
*
|
||||
*
|
||||
* switch_core_video.c -- Core Video
|
||||
*
|
||||
*/
|
||||
|
||||
#include <switch.h>
|
||||
|
||||
|
||||
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)
|
||||
{
|
||||
return (switch_image_t *)vpx_img_alloc((vpx_image_t *)img, (vpx_img_fmt_t)fmt, d_w, d_h, align);
|
||||
}
|
||||
|
||||
SWITCH_DECLARE(switch_image_t *)switch_img_wrap(switch_image_t *img,
|
||||
switch_img_fmt_t fmt,
|
||||
unsigned int d_w,
|
||||
unsigned int d_h,
|
||||
unsigned int align,
|
||||
unsigned char *img_data)
|
||||
{
|
||||
return (switch_image_t *)vpx_img_wrap((vpx_image_t *)img, (vpx_img_fmt_t)fmt, d_w, d_h, align, img_data);
|
||||
}
|
||||
|
||||
SWITCH_DECLARE(int) switch_img_set_rect(switch_image_t *img,
|
||||
unsigned int x,
|
||||
unsigned int y,
|
||||
unsigned int w,
|
||||
unsigned int h)
|
||||
{
|
||||
return vpx_img_set_rect((vpx_image_t *)img, x, y, w, h);
|
||||
}
|
||||
|
||||
SWITCH_DECLARE(void) switch_img_flip(switch_image_t *img)
|
||||
{
|
||||
vpx_img_flip((vpx_image_t *)img);
|
||||
}
|
||||
|
||||
SWITCH_DECLARE(void) switch_img_free(switch_image_t *img)
|
||||
{
|
||||
vpx_img_free((vpx_image_t *)img);
|
||||
}
|
||||
|
||||
/* For Emacs:
|
||||
* Local Variables:
|
||||
* mode:c
|
||||
* indent-tabs-mode:t
|
||||
* tab-width:4
|
||||
* c-basic-offset:4
|
||||
* End:
|
||||
* For VIM:
|
||||
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
|
||||
*/
|
||||
Loading…
Reference in New Issue