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video_mixer.c
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video_mixer.c
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/*
* Copyright (c) 2013 Jens Kuske <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <math.h>
#include <cedrus/cedrus.h>
#include "vdpau_private.h"
#include "rgba.h"
VdpStatus vdp_video_mixer_create(VdpDevice device,
uint32_t feature_count,
VdpVideoMixerFeature const *features,
uint32_t parameter_count,
VdpVideoMixerParameter const *parameters,
void const *const *parameter_values,
VdpVideoMixer *mixer)
{
device_ctx_t *dev = handle_get(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
mixer_ctx_t *mix = handle_create(sizeof(*mix), mixer);
if (!mix)
return VDP_STATUS_RESOURCES;
mix->device = dev;
mix->contrast = 1.0;
mix->saturation = 1.0;
return VDP_STATUS_OK;
}
VdpStatus vdp_video_mixer_destroy(VdpVideoMixer mixer)
{
mixer_ctx_t *mix = handle_get(mixer);
if (!mix)
return VDP_STATUS_INVALID_HANDLE;
handle_destroy(mixer);
return VDP_STATUS_OK;
}
VdpStatus vdp_video_mixer_render(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)
{
mixer_ctx_t *mix = handle_get(mixer);
if (!mix)
return VDP_STATUS_INVALID_HANDLE;
if (background_surface != VDP_INVALID_HANDLE)
VDPAU_DBG_ONCE("Requested unimplemented background_surface");
if (current_picture_structure != VDP_VIDEO_MIXER_PICTURE_STRUCTURE_FRAME)
VDPAU_DBG_ONCE("Requested unimplemented picture_structure");
output_surface_ctx_t *os = handle_get(destination_surface);
if (!os)
return VDP_STATUS_INVALID_HANDLE;
if (os->yuv)
yuv_unref(os->yuv);
os->vs = handle_get(video_surface_current);
if (!(os->vs))
return VDP_STATUS_INVALID_HANDLE;
os->yuv = yuv_ref(os->vs->yuv);
if (video_source_rect)
{
os->video_src_rect = *video_source_rect;
}
else
{
os->video_src_rect.x0 = os->video_src_rect.y0 = 0;
os->video_src_rect.x1 = os->vs->width;
os->video_src_rect.y1 = os->vs->height;
}
if (destination_video_rect)
{
os->video_dst_rect = *destination_video_rect;
}
else
{
os->video_dst_rect.x0 = os->video_dst_rect.y0 = 0;
os->video_dst_rect.x1 = os->video_src_rect.x1 - os->video_src_rect.x0;
os->video_dst_rect.y1 = os->video_src_rect.y1 - os->video_src_rect.y0;
}
os->csc_change = mix->csc_change;
os->brightness = mix->brightness;
os->contrast = mix->contrast;
os->saturation = mix->saturation;
os->hue = mix->hue;
mix->csc_change = 0;
if (mix->device->osd_enabled && (os->rgba.flags & RGBA_FLAG_DIRTY))
os->rgba.flags |= RGBA_FLAG_NEEDS_CLEAR;
if (layer_count != 0)
VDPAU_DBG_ONCE("Requested unimplemented additional layers");
return VDP_STATUS_OK;
}
VdpStatus vdp_video_mixer_get_feature_support(VdpVideoMixer mixer,
uint32_t feature_count,
VdpVideoMixerFeature const *features,
VdpBool *feature_supports)
{
if (feature_count == 0)
return VDP_STATUS_OK;
if (!features || !feature_supports)
return VDP_STATUS_INVALID_POINTER;
mixer_ctx_t *mix = handle_get(mixer);
if (!mix)
return VDP_STATUS_INVALID_HANDLE;
return VDP_STATUS_ERROR;
}
VdpStatus vdp_video_mixer_set_feature_enables(VdpVideoMixer mixer,
uint32_t feature_count,
VdpVideoMixerFeature const *features,
VdpBool const *feature_enables)
{
if (feature_count == 0)
return VDP_STATUS_OK;
if (!features || !feature_enables)
return VDP_STATUS_INVALID_POINTER;
mixer_ctx_t *mix = handle_get(mixer);
if (!mix)
return VDP_STATUS_INVALID_HANDLE;
return VDP_STATUS_OK;
}
VdpStatus vdp_video_mixer_get_feature_enables(VdpVideoMixer mixer,
uint32_t feature_count,
VdpVideoMixerFeature const *features,
VdpBool *feature_enables)
{
if (!features || !feature_enables)
return VDP_STATUS_INVALID_POINTER;
mixer_ctx_t *mix = handle_get(mixer);
if (!mix)
return VDP_STATUS_INVALID_HANDLE;
return VDP_STATUS_ERROR;
}
static void set_csc_matrix(mixer_ctx_t *mix, const VdpCSCMatrix *matrix)
{
mix->csc_change = 1;
// default contrast for full-range has 1.0 as luma coefficients
mix->contrast = ((*matrix)[0][0] + (*matrix)[1][0] + (*matrix)[2][0]) / 3;
// the way brightness and contrast work with this driver, brightness
// is the brightness of a "black" pixel
mix->brightness = ((*matrix)[0][1] + (*matrix)[1][1] + (*matrix)[2][1]) / 2 +
((*matrix)[0][2] + (*matrix)[1][2] + (*matrix)[2][2]) / 2 +
(*matrix)[0][3] + (*matrix)[1][3] + (*matrix)[2][3];
mix->brightness /= 3;
float sin = (*matrix)[0][1] + (*matrix)[2][2];
float cos = (*matrix)[0][2] + (*matrix)[2][1];
float e = 0.001;
if (-e < cos && cos < e) mix->hue = M_PI;
else mix->hue = atanf(sin/cos);
mix->saturation = sqrtf(sin * sin + cos * cos) / (1.403 + 1.773);
}
VdpStatus vdp_video_mixer_set_attribute_values(VdpVideoMixer mixer,
uint32_t attribute_count,
VdpVideoMixerAttribute const *attributes,
void const *const *attribute_values)
{
if (!attributes || !attribute_values)
return VDP_STATUS_INVALID_POINTER;
mixer_ctx_t *mix = handle_get(mixer);
if (!mix)
return VDP_STATUS_INVALID_HANDLE;
uint32_t i;
for (i = 0; i < attribute_count; i++)
if (attributes[i] == VDP_VIDEO_MIXER_ATTRIBUTE_CSC_MATRIX)
set_csc_matrix(mix, (const VdpCSCMatrix *)attribute_values[i]);
return VDP_STATUS_OK;
}
VdpStatus vdp_video_mixer_get_parameter_values(VdpVideoMixer mixer,
uint32_t parameter_count,
VdpVideoMixerParameter const *parameters,
void *const *parameter_values)
{
if (!parameters || !parameter_values)
return VDP_STATUS_INVALID_POINTER;
mixer_ctx_t *mix = handle_get(mixer);
if (!mix)
return VDP_STATUS_INVALID_HANDLE;
return VDP_STATUS_ERROR;
}
VdpStatus vdp_video_mixer_get_attribute_values(VdpVideoMixer mixer,
uint32_t attribute_count,
VdpVideoMixerAttribute const *attributes,
void *const *attribute_values)
{
if (!attributes || !attribute_values)
return VDP_STATUS_INVALID_POINTER;
mixer_ctx_t *mix = handle_get(mixer);
if (!mix)
return VDP_STATUS_INVALID_HANDLE;
return VDP_STATUS_ERROR;
}
VdpStatus vdp_video_mixer_query_feature_support(VdpDevice device,
VdpVideoMixerFeature feature,
VdpBool *is_supported)
{
if (!is_supported)
return VDP_STATUS_INVALID_POINTER;
device_ctx_t *dev = handle_get(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
*is_supported = VDP_FALSE;
return VDP_STATUS_OK;
}
VdpStatus vdp_video_mixer_query_parameter_support(VdpDevice device,
VdpVideoMixerParameter parameter,
VdpBool *is_supported)
{
if (!is_supported)
return VDP_STATUS_INVALID_POINTER;
device_ctx_t *dev = handle_get(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
switch (parameter)
{
case VDP_VIDEO_MIXER_PARAMETER_CHROMA_TYPE:
case VDP_VIDEO_MIXER_PARAMETER_LAYERS:
case VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_HEIGHT:
case VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_WIDTH:
*is_supported = VDP_TRUE;
break;
default:
*is_supported = VDP_FALSE;
break;
}
return VDP_STATUS_OK;
}
VdpStatus vdp_video_mixer_query_parameter_value_range(VdpDevice device,
VdpVideoMixerParameter parameter,
void *min_value,
void *max_value)
{
if (!min_value || !max_value)
return VDP_STATUS_INVALID_POINTER;
device_ctx_t *dev = handle_get(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
switch (parameter)
{
case VDP_VIDEO_MIXER_PARAMETER_LAYERS:
*(uint32_t *)min_value = 0;
*(uint32_t *)max_value = 0;
return VDP_STATUS_OK;
case VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_HEIGHT:
case VDP_VIDEO_MIXER_PARAMETER_VIDEO_SURFACE_WIDTH:
*(uint32_t *)min_value = 0;
*(uint32_t *)max_value = 8192;
return VDP_STATUS_OK;
}
return VDP_STATUS_ERROR;
}
VdpStatus vdp_video_mixer_query_attribute_support(VdpDevice device,
VdpVideoMixerAttribute attribute,
VdpBool *is_supported)
{
if (!is_supported)
return VDP_STATUS_INVALID_POINTER;
device_ctx_t *dev = handle_get(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
*is_supported = VDP_FALSE;
return VDP_STATUS_OK;
}
VdpStatus vdp_video_mixer_query_attribute_value_range(VdpDevice device,
VdpVideoMixerAttribute attribute,
void *min_value,
void *max_value)
{
if (!min_value || !max_value)
return VDP_STATUS_INVALID_POINTER;
device_ctx_t *dev = handle_get(device);
if (!dev)
return VDP_STATUS_INVALID_HANDLE;
switch (attribute)
{
case VDP_VIDEO_MIXER_ATTRIBUTE_BACKGROUND_COLOR:
case VDP_VIDEO_MIXER_ATTRIBUTE_CSC_MATRIX:
return VDP_STATUS_ERROR;
case VDP_VIDEO_MIXER_ATTRIBUTE_LUMA_KEY_MAX_LUMA:
case VDP_VIDEO_MIXER_ATTRIBUTE_LUMA_KEY_MIN_LUMA:
case VDP_VIDEO_MIXER_ATTRIBUTE_NOISE_REDUCTION_LEVEL:
*(float *)min_value = 0.0;
*(float *)max_value = 1.0;
return VDP_STATUS_OK;
case VDP_VIDEO_MIXER_ATTRIBUTE_SHARPNESS_LEVEL:
*(float *)min_value = -1.0;
*(float *)max_value = 1.0;
return VDP_STATUS_OK;
case VDP_VIDEO_MIXER_ATTRIBUTE_SKIP_CHROMA_DEINTERLACE:
*(uint8_t *)min_value = 0;
*(uint8_t *)max_value = 1;
return VDP_STATUS_OK;
}
return VDP_STATUS_ERROR;
}
VdpStatus vdp_generate_csc_matrix(VdpProcamp *procamp,
VdpColorStandard standard,
VdpCSCMatrix *csc_matrix)
{
if (!csc_matrix || !procamp)
return VDP_STATUS_INVALID_POINTER;
if (procamp->struct_version > VDP_PROCAMP_VERSION)
return VDP_STATUS_INVALID_STRUCT_VERSION;
// BT.601 table
(*csc_matrix)[0][1] = 0.000;
(*csc_matrix)[0][2] = 1.403;
(*csc_matrix)[1][1] = -0.344;
(*csc_matrix)[1][2] = -0.714;
(*csc_matrix)[2][1] = 1.773;
(*csc_matrix)[2][2] = 0.000;
float uvcos = procamp->saturation * cosf(procamp->hue);
float uvsin = procamp->saturation * sinf(procamp->hue);
int i;
for (i = 0; i < 3; i++) {
(*csc_matrix)[i][0] = procamp->contrast;
float u = (*csc_matrix)[i][1] * uvcos + (*csc_matrix)[i][2] * uvsin;
float v = (*csc_matrix)[i][1] * uvsin + (*csc_matrix)[i][2] * uvcos;
(*csc_matrix)[i][1] = u;
(*csc_matrix)[i][2] = v;
(*csc_matrix)[i][3] = - (u + v) / 2;
(*csc_matrix)[i][3] += 0.5 - procamp->contrast / 2;
(*csc_matrix)[i][3] += procamp->brightness;
}
return VDP_STATUS_OK;
}