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vdpau-soft.c
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vdpau-soft.c
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/*
* Copyright 2013 Rinat Ibragimov
*
* This file is part of libvdpau-va-gl
*
* libvdpau-va-gl is distributed under the terms of the LGPLv3. See COPYING for details.
*/
#define _XOPEN_SOURCE
#define GL_GLEXT_PROTOTYPES
#include <assert.h>
#include <malloc.h>
#include <libswscale/swscale.h>
#include <string.h>
#include <va/va.h>
#include <va/va_glx.h>
#include <vdpau/vdpau.h>
#include <vdpau/vdpau_x11.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glx.h>
#include "bitstream.h"
#include "ctx-stack.h"
#include "h264-parse.h"
#include "reverse-constant.h"
#include "handle-storage.h"
#include "vdpau-trace.h"
#include "watermark.h"
#include "globals.h"
#define DESCRIBE(xparam, format) fprintf(stderr, #xparam " = %" #format "\n", xparam)
static char const *
implemetation_description_string = "OpenGL/VAAPI/libswscale backend for VDPAU";
static
uint32_t
chroma_storage_size_divider(VdpChromaType chroma_type)
{
switch (chroma_type) {
case VDP_CHROMA_TYPE_420: return 4;
case VDP_CHROMA_TYPE_422: return 2;
case VDP_CHROMA_TYPE_444: return 1;
default: return 1;
}
}
static
const char *
softVdpGetErrorString(VdpStatus status)
{
return reverse_status(status);
}
VdpStatus
softVdpGetApiVersion(uint32_t *api_version)
{
if (!api_version)
return VDP_STATUS_INVALID_POINTER;
*api_version = VDPAU_VERSION;
return VDP_STATUS_OK;
}
VdpStatus
softVdpOutputSurfaceQueryCapabilities(VdpDevice device, VdpRGBAFormat surface_rgba_format,
VdpBool *is_supported, uint32_t *max_width,
uint32_t *max_height)
{
VdpStatus err_code;
if (!is_supported || !max_width || !max_height)
return VDP_STATUS_INVALID_POINTER;
VdpDeviceData *deviceData = handle_acquire(device, HANDLETYPE_DEVICE);
if (NULL == deviceData)
return VDP_STATUS_INVALID_HANDLE;
switch (surface_rgba_format) {
case VDP_RGBA_FORMAT_B8G8R8A8:
case VDP_RGBA_FORMAT_R8G8B8A8:
case VDP_RGBA_FORMAT_R10G10B10A2:
case VDP_RGBA_FORMAT_B10G10R10A2:
case VDP_RGBA_FORMAT_A8:
*is_supported = 1; // All these formats should be supported by OpenGL
break; // implementation.
default:
*is_supported = 0;
break;
}
GLint max_texture_size;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_texture_size);
GLenum gl_error = glGetError();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpOutputSurfaceQueryCapabilities): gl error %d\n", gl_error);
err_code = VDP_STATUS_ERROR;
goto quit;
}
*max_width = max_texture_size;
*max_height = max_texture_size;
err_code = VDP_STATUS_OK;
quit:
handle_release(device);
return err_code;
}
VdpStatus
softVdpOutputSurfaceQueryGetPutBitsNativeCapabilities(VdpDevice device,
VdpRGBAFormat surface_rgba_format,
VdpBool *is_supported)
{
(void)device; (void)surface_rgba_format; (void)is_supported;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpOutputSurfaceQueryPutBitsIndexedCapabilities(VdpDevice device,
VdpRGBAFormat surface_rgba_format,
VdpIndexedFormat bits_indexed_format,
VdpColorTableFormat color_table_format,
VdpBool *is_supported)
{
(void)device; (void)surface_rgba_format; (void)bits_indexed_format; (void)color_table_format;
(void)is_supported;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpOutputSurfaceQueryPutBitsYCbCrCapabilities(VdpDevice device,
VdpRGBAFormat surface_rgba_format,
VdpYCbCrFormat bits_ycbcr_format,
VdpBool *is_supported)
{
(void)device; (void)surface_rgba_format; (void)bits_ycbcr_format; (void)is_supported;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpOutputSurfaceCreate(VdpDevice device, VdpRGBAFormat rgba_format, uint32_t width,
uint32_t height, VdpOutputSurface *surface)
{
VdpStatus err_code;
if (!surface)
return VDP_STATUS_INVALID_POINTER;
VdpDeviceData *deviceData = handle_acquire(device, HANDLETYPE_DEVICE);
if (NULL == deviceData)
return VDP_STATUS_INVALID_HANDLE;
//TODO: figure out reasonable limits
if (width > 4096 || height > 4096) {
err_code = VDP_STATUS_INVALID_SIZE;
goto quit;
}
VdpOutputSurfaceData *data = calloc(1, sizeof(VdpOutputSurfaceData));
if (NULL == data) {
err_code = VDP_STATUS_RESOURCES;
goto quit;
}
switch (rgba_format) {
case VDP_RGBA_FORMAT_B8G8R8A8:
data->gl_internal_format = GL_RGBA;
data->gl_format = GL_BGRA;
data->gl_type = GL_UNSIGNED_BYTE;
data->bytes_per_pixel = 4;
break;
case VDP_RGBA_FORMAT_R8G8B8A8:
data->gl_internal_format = GL_RGBA;
data->gl_format = GL_RGBA;
data->gl_type = GL_UNSIGNED_BYTE;
data->bytes_per_pixel = 4;
break;
case VDP_RGBA_FORMAT_R10G10B10A2:
data->gl_internal_format = GL_RGB10_A2;
data->gl_format = GL_RGBA;
data->gl_type = GL_UNSIGNED_INT_10_10_10_2;
data->bytes_per_pixel = 4;
break;
case VDP_RGBA_FORMAT_B10G10R10A2:
data->gl_internal_format = GL_RGB10_A2;
data->gl_format = GL_BGRA;
data->gl_type = GL_UNSIGNED_INT_10_10_10_2;
data->bytes_per_pixel = 4;
break;
case VDP_RGBA_FORMAT_A8:
data->gl_internal_format = GL_RGBA;
data->gl_format = GL_RED;
data->gl_type = GL_UNSIGNED_BYTE;
data->bytes_per_pixel = 1;
break;
default:
traceError("error (VdpOutputSurfaceCreate): %s is not implemented\n",
reverse_rgba_format(rgba_format));
free(data);
err_code = VDP_STATUS_INVALID_RGBA_FORMAT;
goto quit;
}
data->type = HANDLETYPE_OUTPUT_SURFACE;
data->width = width;
data->height = height;
data->device = deviceData;
data->rgba_format = rgba_format;
glx_context_push_thread_local(deviceData);
glGenTextures(1, &data->tex_id);
glBindTexture(GL_TEXTURE_2D, data->tex_id);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// reserve texture
glTexImage2D(GL_TEXTURE_2D, 0, data->gl_internal_format, width, height, 0, data->gl_format,
data->gl_type, NULL);
glGenFramebuffers(1, &data->fbo_id);
glBindFramebuffer(GL_FRAMEBUFFER, data->fbo_id);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, data->tex_id, 0);
GLenum gl_status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (GL_FRAMEBUFFER_COMPLETE != gl_status) {
traceError("error (VdpOutputSurfaceCreate): "
"framebuffer not ready, %d, %s\n", gl_status, gluErrorString(gl_status));
glx_context_pop();
free(data);
err_code = VDP_STATUS_ERROR;
goto quit;
}
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
glFinish();
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpOutputSurfaceCreate): gl error %d\n", gl_error);
free(data);
err_code = VDP_STATUS_ERROR;
goto quit;
}
deviceData->refcount ++;
*surface = handle_insert(data);
err_code = VDP_STATUS_OK;
quit:
handle_release(device);
return err_code;
}
VdpStatus
softVdpOutputSurfaceDestroy(VdpOutputSurface surface)
{
VdpStatus err_code;
VdpOutputSurfaceData *data = handle_acquire(surface, HANDLETYPE_OUTPUT_SURFACE);
if (NULL == data)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = data->device;
glx_context_push_thread_local(deviceData);
glDeleteTextures(1, &data->tex_id);
glDeleteFramebuffers(1, &data->fbo_id);
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpOutputSurfaceDestroy): gl error %d\n", gl_error);
err_code = VDP_STATUS_ERROR;
goto quit;
}
handle_expunge(surface);
deviceData->refcount --;
free(data);
return VDP_STATUS_OK;
quit:
handle_release(surface);
return err_code;
}
VdpStatus
softVdpOutputSurfaceGetParameters(VdpOutputSurface surface, VdpRGBAFormat *rgba_format,
uint32_t *width, uint32_t *height)
{
if (!rgba_format || !width || !height)
return VDP_STATUS_INVALID_POINTER;
VdpOutputSurfaceData *surfData = handle_acquire(surface, HANDLETYPE_OUTPUT_SURFACE);
if (NULL == surfData)
return VDP_STATUS_INVALID_HANDLE;
// TODO: check surfData validity again
*rgba_format = surfData->rgba_format;
*width = surfData->width;
*height = surfData->height;
handle_release(surface);
return VDP_STATUS_OK;
}
VdpStatus
softVdpOutputSurfaceGetBitsNative(VdpOutputSurface surface, VdpRect const *source_rect,
void *const *destination_data,
uint32_t const *destination_pitches)
{
VdpStatus err_code;
if (!destination_data || !destination_pitches)
return VDP_STATUS_INVALID_POINTER;
VdpOutputSurfaceData *srcSurfData = handle_acquire(surface, HANDLETYPE_OUTPUT_SURFACE);
if (NULL == srcSurfData)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = srcSurfData->device;
VdpRect srcRect = {0, 0, srcSurfData->width, srcSurfData->height};
if (source_rect)
srcRect = *source_rect;
glx_context_push_thread_local(deviceData);
glBindFramebuffer(GL_FRAMEBUFFER, srcSurfData->fbo_id);
glReadBuffer(GL_COLOR_ATTACHMENT0);
glPixelStorei(GL_UNPACK_ROW_LENGTH, destination_pitches[0] / srcSurfData->bytes_per_pixel);
if (4 != srcSurfData->bytes_per_pixel)
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(srcRect.x0, srcRect.y0, srcRect.x1 - srcRect.x0, srcRect.y1 - srcRect.y0,
srcSurfData->gl_format, srcSurfData->gl_type, destination_data[0]);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
if (4 != srcSurfData->bytes_per_pixel)
glPixelStorei(GL_PACK_ALIGNMENT, 4);
glFinish();
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpOutputSurfaceGetBitsNative): gl error %d\n", gl_error);
err_code = VDP_STATUS_ERROR;
goto quit;
}
err_code = VDP_STATUS_OK;
quit:
handle_release(surface);
return err_code;
}
VdpStatus
softVdpOutputSurfacePutBitsNative(VdpOutputSurface surface, void const *const *source_data,
uint32_t const *source_pitches, VdpRect const *destination_rect)
{
VdpStatus err_code;
if (!source_data || !source_pitches)
return VDP_STATUS_INVALID_POINTER;
VdpOutputSurfaceData *dstSurfData = handle_acquire(surface, HANDLETYPE_OUTPUT_SURFACE);
if (NULL == dstSurfData)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = dstSurfData->device;
VdpRect dstRect = {0, 0, dstSurfData->width, dstSurfData->height};
if (destination_rect)
dstRect = *destination_rect;
glx_context_push_thread_local(deviceData);
glBindTexture(GL_TEXTURE_2D, dstSurfData->tex_id);
glPixelStorei(GL_UNPACK_ROW_LENGTH, source_pitches[0] / dstSurfData->bytes_per_pixel);
if (4 != dstSurfData->bytes_per_pixel)
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexSubImage2D(GL_TEXTURE_2D, 0, dstRect.x0, dstRect.y0,
dstRect.x1 - dstRect.x0, dstRect.y1 - dstRect.y0,
dstSurfData->gl_format, dstSurfData->gl_type, source_data[0]);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
if (4 != dstSurfData->bytes_per_pixel)
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glFinish();
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpOutputSurfacePutBitsNative): gl error %d\n", gl_error);
err_code = VDP_STATUS_ERROR;
goto quit;
}
err_code = VDP_STATUS_OK;
quit:
handle_release(surface);
return err_code;
}
VdpStatus
softVdpOutputSurfacePutBitsIndexed(VdpOutputSurface surface, VdpIndexedFormat source_indexed_format,
void const *const *source_data, uint32_t const *source_pitch,
VdpRect const *destination_rect,
VdpColorTableFormat color_table_format, void const *color_table)
{
VdpStatus err_code;
if (!source_data || !source_pitch || !color_table)
return VDP_STATUS_INVALID_POINTER;
VdpOutputSurfaceData *surfData = handle_acquire(surface, HANDLETYPE_OUTPUT_SURFACE);
if (NULL == surfData)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = surfData->device;
VdpRect dstRect = {0, 0, surfData->width, surfData->height};
if (destination_rect)
dstRect = *destination_rect;
// there is no other formats anyway
if (VDP_COLOR_TABLE_FORMAT_B8G8R8X8 != color_table_format) {
err_code = VDP_STATUS_INVALID_COLOR_TABLE_FORMAT;
goto quit;
}
const uint32_t *color_table32 = color_table;
glx_context_push_thread_local(deviceData);
switch (source_indexed_format) {
case VDP_INDEXED_FORMAT_I8A8:
// TODO: use shader?
do {
const uint32_t dstRectWidth = dstRect.x1 - dstRect.x0;
const uint32_t dstRectHeight = dstRect.y1 - dstRect.y0;
uint32_t *unpacked_buf = malloc(4 * dstRectWidth * dstRectHeight);
if (NULL == unpacked_buf) {
err_code = VDP_STATUS_RESOURCES;
goto quit;
}
for (unsigned int y = 0; y < dstRectHeight; y ++) {
const uint8_t *src_ptr = source_data[0];
src_ptr += y * source_pitch[0];
uint32_t *dst_ptr = unpacked_buf + y * dstRectWidth;
for (unsigned int x = 0; x < dstRectWidth; x ++) {
const uint8_t i = *src_ptr++;
const uint32_t a = (*src_ptr++) << 24;
dst_ptr[x] = (color_table32[i] & 0x00ffffff) + a;
}
}
glBindTexture(GL_TEXTURE_2D, surfData->tex_id);
glTexSubImage2D(GL_TEXTURE_2D, 0, dstRect.x0, dstRect.y0,
dstRect.x1 - dstRect.x0, dstRect.y1 - dstRect.y0,
GL_BGRA, GL_UNSIGNED_BYTE, unpacked_buf);
glFinish();
free(unpacked_buf);
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpOutputSurfacePutBitsIndexed): gl error %d\n", gl_error);
err_code = VDP_STATUS_ERROR;
goto quit;
}
err_code = VDP_STATUS_OK;
goto quit;
} while (0);
break;
default:
traceError("error (VdpOutputSurfacePutBitsIndexed): unsupported indexed format %s\n",
reverse_indexed_format(source_indexed_format));
err_code = VDP_STATUS_INVALID_INDEXED_FORMAT;
goto quit;
}
quit:
handle_release(surface);
return err_code;
}
VdpStatus
softVdpOutputSurfacePutBitsYCbCr(VdpOutputSurface surface, VdpYCbCrFormat source_ycbcr_format,
void const *const *source_data, uint32_t const *source_pitches,
VdpRect const *destination_rect, VdpCSCMatrix const *csc_matrix)
{
(void)surface; (void)source_ycbcr_format; (void)source_data; (void)source_pitches;
(void)destination_rect; (void)csc_matrix;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerQueryFeatureSupport(VdpDevice device, VdpVideoMixerFeature feature,
VdpBool *is_supported)
{
(void)device; (void)feature; (void)is_supported;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerQueryParameterSupport(VdpDevice device, VdpVideoMixerParameter parameter,
VdpBool *is_supported)
{
(void)device; (void)parameter; (void)is_supported;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerQueryAttributeSupport(VdpDevice device, VdpVideoMixerAttribute attribute,
VdpBool *is_supported)
{
(void)device; (void)attribute; (void)is_supported;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerQueryParameterValueRange(VdpDevice device, VdpVideoMixerParameter parameter,
void *min_value, void *max_value)
{
(void)device; (void)parameter; (void)min_value; (void)max_value;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerQueryAttributeValueRange(VdpDevice device, VdpVideoMixerAttribute attribute,
void *min_value, void *max_value)
{
(void)device; (void)attribute; (void)min_value; (void)max_value;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerCreate(VdpDevice device, uint32_t feature_count,
VdpVideoMixerFeature const *features, uint32_t parameter_count,
VdpVideoMixerParameter const *parameters,
void const *const *parameter_values, VdpVideoMixer *mixer)
{
VdpStatus err_code;
if (!mixer)
return VDP_STATUS_INVALID_POINTER;
(void)feature_count; (void)features; // TODO: mixer features
(void)parameter_count; (void)parameters; (void)parameter_values; // TODO: mixer parameters
VdpDeviceData *deviceData = handle_acquire(device, HANDLETYPE_DEVICE);
if (NULL == deviceData)
return VDP_STATUS_INVALID_HANDLE;
VdpVideoMixerData *data = calloc(1, sizeof(VdpVideoMixerData));
if (NULL == data) {
err_code = VDP_STATUS_RESOURCES;
goto quit;
}
data->type = HANDLETYPE_VIDEO_MIXER;
data->device = deviceData;
deviceData->refcount ++;
*mixer = handle_insert(data);
err_code = VDP_STATUS_OK;
quit:
handle_release(device);
return err_code;
}
VdpStatus
softVdpVideoMixerSetFeatureEnables(VdpVideoMixer mixer, uint32_t feature_count,
VdpVideoMixerFeature const *features,
VdpBool const *feature_enables)
{
(void)mixer; (void)feature_count; (void)features; (void)feature_enables;
return VDP_STATUS_OK;
}
VdpStatus
softVdpVideoMixerSetAttributeValues(VdpVideoMixer mixer, uint32_t attribute_count,
VdpVideoMixerAttribute const *attributes,
void const *const *attribute_values)
{
(void)mixer; (void)attribute_count; (void)attributes; (void)attribute_values;
return VDP_STATUS_OK;
}
VdpStatus
softVdpVideoMixerGetFeatureSupport(VdpVideoMixer mixer, uint32_t feature_count,
VdpVideoMixerFeature const *features, VdpBool *feature_supports)
{
(void)mixer; (void)feature_count; (void)features; (void)feature_supports;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerGetFeatureEnables(VdpVideoMixer mixer, uint32_t feature_count,
VdpVideoMixerFeature const *features, VdpBool *feature_enables)
{
(void)mixer; (void)feature_count; (void)features; (void)feature_enables;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerGetParameterValues(VdpVideoMixer mixer, uint32_t parameter_count,
VdpVideoMixerParameter const *parameters,
void *const *parameter_values)
{
(void)mixer; (void)parameter_count; (void)parameters; (void)parameter_values;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerGetAttributeValues(VdpVideoMixer mixer, uint32_t attribute_count,
VdpVideoMixerAttribute const *attributes,
void *const *attribute_values)
{
(void)mixer; (void)attribute_count; (void)attributes; (void)attribute_values;
return VDP_STATUS_NO_IMPLEMENTATION;
}
VdpStatus
softVdpVideoMixerDestroy(VdpVideoMixer mixer)
{
VdpVideoMixerData *videoMixerData = handle_acquire(mixer, HANDLETYPE_VIDEO_MIXER);
if (NULL == videoMixerData)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = videoMixerData->device;
deviceData->refcount --;
handle_expunge(mixer);
free(videoMixerData);
return VDP_STATUS_OK;
}
VdpStatus
softVdpVideoMixerRender(VdpVideoMixer mixer, VdpOutputSurface background_surface,
VdpRect const *background_source_rect,
VdpVideoMixerPictureStructure current_picture_structure,
uint32_t video_surface_past_count,
VdpVideoSurface const *video_surface_past,
VdpVideoSurface video_surface_current, uint32_t video_surface_future_count,
VdpVideoSurface const *video_surface_future,
VdpRect const *video_source_rect, VdpOutputSurface destination_surface,
VdpRect const *destination_rect, VdpRect const *destination_video_rect,
uint32_t layer_count, VdpLayer const *layers)
{
VdpStatus err_code;
(void)mixer; // TODO: mixer should be used to get mixing parameters
// TODO: current implementation ignores previous and future surfaces, using only current.
// Is that acceptable for interlaced video? Will VAAPI handle deinterlacing?
(void)background_surface; // TODO: background_surface. Is it safe to just ignore it?
(void)background_source_rect;
(void)current_picture_structure;
(void)video_surface_past_count; (void)video_surface_past;
(void)video_surface_future_count; (void)video_surface_future;
(void)layer_count; (void)layers;
VdpVideoSurfaceData *srcSurfData =
handle_acquire(video_surface_current, HANDLETYPE_VIDEO_SURFACE);
VdpOutputSurfaceData *dstSurfData =
handle_acquire(destination_surface, HANDLETYPE_OUTPUT_SURFACE);
if (NULL == srcSurfData || NULL == dstSurfData) {
err_code = VDP_STATUS_INVALID_HANDLE;
goto quit;
}
if (srcSurfData->device != dstSurfData->device) {
err_code = VDP_STATUS_HANDLE_DEVICE_MISMATCH;
goto quit;
}
VdpDeviceData *deviceData = srcSurfData->device;
VdpRect srcVideoRect = {0, 0, srcSurfData->width, srcSurfData->height};
if (video_source_rect)
srcVideoRect = *video_source_rect;
VdpRect dstRect = {0, 0, dstSurfData->width, dstSurfData->height};
if (destination_rect)
dstRect = *destination_rect;
VdpRect dstVideoRect = srcVideoRect;
if (destination_video_rect)
dstVideoRect = *destination_video_rect;
// TODO: dstRect should clip dstVideoRect
glx_context_push_thread_local(deviceData);
if (deviceData->va_available) {
VAStatus status;
if (NULL == srcSurfData->va_glx) {
status = vaCreateSurfaceGLX(deviceData->va_dpy, GL_TEXTURE_2D, srcSurfData->tex_id,
&srcSurfData->va_glx);
if (VA_STATUS_SUCCESS != status) {
glx_context_pop();
err_code = VDP_STATUS_ERROR;
goto quit;
}
}
status = vaCopySurfaceGLX(deviceData->va_dpy, srcSurfData->va_glx, srcSurfData->va_surf, 0);
// TODO: check result of previous call
glBindFramebuffer(GL_FRAMEBUFFER, dstSurfData->fbo_id);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, dstSurfData->width, 0, dstSurfData->height, -1.0f, 1.0f);
glViewport(0, 0, dstSurfData->width, dstSurfData->height);
glDisable(GL_BLEND);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glScalef(1.0f/srcSurfData->width, 1.0f/srcSurfData->height, 1.0f);
// Clear dstRect area
glDisable(GL_TEXTURE_2D);
glColor4f(0, 0, 0, 1);
glBegin(GL_QUADS);
glVertex2f(dstRect.x0, dstRect.y0);
glVertex2f(dstRect.x1, dstRect.y0);
glVertex2f(dstRect.x1, dstRect.y1);
glVertex2f(dstRect.x0, dstRect.y1);
glEnd();
// Render (maybe scaled) data from video surface
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, srcSurfData->tex_id);
glColor4f(1, 1, 1, 1);
glBegin(GL_QUADS);
glTexCoord2i(srcVideoRect.x0, srcVideoRect.y0);
glVertex2f(dstVideoRect.x0, dstVideoRect.y0);
glTexCoord2i(srcVideoRect.x1, srcVideoRect.y0);
glVertex2f(dstVideoRect.x1, dstVideoRect.y0);
glTexCoord2i(srcVideoRect.x1, srcVideoRect.y1);
glVertex2f(dstVideoRect.x1, dstVideoRect.y1);
glTexCoord2i(srcVideoRect.x0, srcVideoRect.y1);
glVertex2f(dstVideoRect.x0, dstVideoRect.y1);
glEnd();
} else {
// fall back to software convertion
// TODO: make sure not to do scaling in software, only colorspace conversion
// TODO: use GL shaders to do colorspace conversion job
// TODO: handle all three kind of rectangles and clipping
const uint32_t dstVideoWidth = dstVideoRect.x1 - dstVideoRect.x0;
const uint32_t dstVideoHeight = dstVideoRect.y1 - dstVideoRect.y0;
const uint32_t dstVideoStride = (dstVideoWidth & 3) ? (dstVideoWidth & ~3u) + 4
: dstVideoWidth;
uint8_t *img_buf = malloc(dstVideoStride * dstVideoHeight * 4);
if (NULL == img_buf) {
err_code = VDP_STATUS_RESOURCES;
goto quit;
}
struct SwsContext *sws_ctx =
sws_getContext(srcSurfData->width, srcSurfData->height, PIX_FMT_YUV420P,
dstVideoWidth, dstVideoHeight,
PIX_FMT_RGBA, SWS_POINT, NULL, NULL, NULL);
uint8_t const * const src_planes[] =
{ srcSurfData->y_plane, srcSurfData->v_plane, srcSurfData->u_plane, NULL };
int src_strides[] = {srcSurfData->stride, srcSurfData->stride/2, srcSurfData->stride/2, 0};
uint8_t *dst_planes[] = {img_buf, NULL, NULL, NULL};
int dst_strides[] = {dstVideoStride * 4, 0, 0, 0};
int res = sws_scale(sws_ctx,
src_planes, src_strides, 0, srcSurfData->height,
dst_planes, dst_strides);
sws_freeContext(sws_ctx);
if (res != (int)dstVideoHeight) {
traceError("error (softVdpVideoMixerRender): libswscale scaling failed\n");
glx_context_pop();
err_code = VDP_STATUS_ERROR;
goto quit;
}
// copy converted image to texture
glPixelStorei(GL_UNPACK_ROW_LENGTH, dstVideoStride);
glBindTexture(GL_TEXTURE_2D, dstSurfData->tex_id);
glTexSubImage2D(GL_TEXTURE_2D, 0,
dstVideoRect.x0, dstVideoRect.y0,
dstVideoRect.x1 - dstVideoRect.x0, dstVideoRect.y1 - dstVideoRect.y0,
GL_BGRA, GL_UNSIGNED_BYTE, img_buf);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
free(img_buf);
}
glFinish();
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpVideoMixerRender): gl error %d\n", gl_error);
err_code = VDP_STATUS_ERROR;
goto quit;
}
err_code = VDP_STATUS_OK;
quit:
handle_release(video_surface_current);
handle_release(destination_surface);
return err_code;
}
VdpStatus
softVdpVideoSurfaceQueryCapabilities(VdpDevice device, VdpChromaType surface_chroma_type,
VdpBool *is_supported, uint32_t *max_width,
uint32_t *max_height)
{
if (!is_supported || !max_width || !max_height)
return VDP_STATUS_INVALID_POINTER;
(void)device; (void)surface_chroma_type;
// TODO: implement
*is_supported = 1;
*max_width = 1920;
*max_height = 1080;
return VDP_STATUS_OK;
}
VdpStatus
softVdpVideoSurfaceQueryGetPutBitsYCbCrCapabilities(VdpDevice device,
VdpChromaType surface_chroma_type,
VdpYCbCrFormat bits_ycbcr_format,
VdpBool *is_supported)
{
if (!is_supported)
return VDP_STATUS_INVALID_POINTER;
(void)device; (void)surface_chroma_type; (void)bits_ycbcr_format;
// TODO: implement
*is_supported = 1;
return VDP_STATUS_OK;
}
VdpStatus
softVdpVideoSurfaceCreate(VdpDevice device, VdpChromaType chroma_type, uint32_t width,
uint32_t height, VdpVideoSurface *surface)
{
VdpStatus err_code;
if (!surface)
return VDP_STATUS_INVALID_POINTER;
VdpDeviceData *deviceData = handle_acquire(device, HANDLETYPE_DEVICE);
if (NULL == deviceData)
return VDP_STATUS_INVALID_HANDLE;
VdpVideoSurfaceData *data = calloc(1, sizeof(VdpVideoSurfaceData));
if (NULL == data) {
err_code = VDP_STATUS_RESOURCES;
goto quit;
}
uint32_t const stride = (width % 4 == 0) ? width : (width & ~0x3UL) + 4;
data->type = HANDLETYPE_VIDEO_SURFACE;
data->device = deviceData;
data->chroma_type = chroma_type;
data->width = width;
data->stride = stride;
data->height = height;
data->va_surf = VA_INVALID_SURFACE;
data->va_glx = NULL;
data->tex_id = 0;
glx_context_push_thread_local(deviceData);
glGenTextures(1, &data->tex_id);
glBindTexture(GL_TEXTURE_2D, data->tex_id);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, data->width, data->height, 0,
GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glFinish();
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpVideoSurfaceCreate): gl error %d\n", gl_error);
free(data);
err_code = VDP_STATUS_ERROR;
goto quit;
}
if (deviceData->va_available) {
// no VA surface creation here. Actual pool of VA surfaces should be allocated already
// by VdpDecoderCreate. VdpDecoderCreate will update ->va_surf field as needed.
data->y_plane = NULL;
data->v_plane = NULL;
data->u_plane = NULL;
} else {
//TODO: find valid storage size for chroma_type
data->y_plane = malloc(stride * height);
data->v_plane = malloc(stride * height / chroma_storage_size_divider(chroma_type));
data->u_plane = malloc(stride * height / chroma_storage_size_divider(chroma_type));
if (NULL == data->y_plane || NULL == data->v_plane || NULL == data->u_plane) {
if (data->y_plane) free(data->y_plane);
if (data->v_plane) free(data->v_plane);
if (data->u_plane) free(data->u_plane);
free(data);
err_code = VDP_STATUS_RESOURCES;
goto quit;
}
}
deviceData->refcount ++;
*surface = handle_insert(data);
err_code = VDP_STATUS_OK;
quit:
handle_release(device);
return err_code;
}
VdpStatus
softVdpVideoSurfaceDestroy(VdpVideoSurface surface)
{
VdpVideoSurfaceData *videoSurfData = handle_acquire(surface, HANDLETYPE_VIDEO_SURFACE);
if (NULL == videoSurfData)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = videoSurfData->device;
glx_context_push_thread_local(deviceData);
glDeleteTextures(1, &videoSurfData->tex_id);
GLenum gl_error = glGetError();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpVideoSurfaceDestroy): gl error %d\n", gl_error);
glx_context_pop();
handle_release(surface);
return VDP_STATUS_ERROR;
}
if (videoSurfData->va_glx) {
vaDestroySurfaceGLX(deviceData->va_dpy, videoSurfData->va_glx);
}
if (deviceData->va_available) {
// .va_surf will be freed in VdpDecoderDestroy
} else {
free(videoSurfData->y_plane);
free(videoSurfData->v_plane);
free(videoSurfData->u_plane);
}
glx_context_pop();
deviceData->refcount --;
handle_expunge(surface);
free(videoSurfData);
return VDP_STATUS_OK;
}
VdpStatus
softVdpVideoSurfaceGetParameters(VdpVideoSurface surface, VdpChromaType *chroma_type,
uint32_t *width, uint32_t *height)
{
if (!chroma_type || !width || !height)
return VDP_STATUS_INVALID_POINTER;
VdpVideoSurfaceData *videoSurf = handle_acquire(surface, HANDLETYPE_VIDEO_SURFACE);
if (NULL == videoSurf)
return VDP_STATUS_INVALID_HANDLE;
*chroma_type = videoSurf->chroma_type;
*width = videoSurf->width;
*height = videoSurf->height;
handle_release(surface);
return VDP_STATUS_OK;
}
VdpStatus
softVdpVideoSurfaceGetBitsYCbCr(VdpVideoSurface surface, VdpYCbCrFormat destination_ycbcr_format,
void *const *destination_data, uint32_t const *destination_pitches)
{
VdpStatus err_code;
if (!destination_data || !destination_pitches)
return VDP_STATUS_INVALID_POINTER;
VdpVideoSurfaceData *srcSurfData = handle_acquire(surface, HANDLETYPE_VIDEO_SURFACE);
if (NULL == srcSurfData)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = srcSurfData->device;
VADisplay va_dpy = deviceData->va_dpy;
if (deviceData->va_available) {
VAImage q;
vaDeriveImage(va_dpy, srcSurfData->va_surf, &q);
if (VA_FOURCC('N', 'V', '1', '2') == q.format.fourcc &&
VDP_YCBCR_FORMAT_NV12 == destination_ycbcr_format)
{
uint8_t *img_data;
vaMapBuffer(va_dpy, q.buf, (void **)&img_data);
if (destination_pitches[0] == q.pitches[0] &&
destination_pitches[1] == q.pitches[1])
{
memcpy(destination_data[0], img_data + q.offsets[0], q.width * q.height);
memcpy(destination_data[1], img_data + q.offsets[1], q.width * q.height / 2);
} else {
uint8_t *src = img_data + q.offsets[0];
uint8_t *dst = destination_data[0];
for (unsigned int y = 0; y < q.height; y ++) { // Y plane
memcpy (dst, src, q.width);
src += q.pitches[0];
dst += destination_pitches[0];
}
src = img_data + q.offsets[1];
dst = destination_data[1];
for (unsigned int y = 0; y < q.height / 2; y ++) { // UV plane
memcpy(dst, src, q.width); // q.width/2 samples of U and V each, hence q.width