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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 distributed under the terms of LGPLv3. See COPYING for details.
*/
#define _XOPEN_SOURCE
#define GL_GLEXT_PROTOTYPES
#include <assert.h>
#include <glib.h>
#include <libswscale/swscale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.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 "vdpau-locking.h"
#include "watermark.h"
#include "globals.h"
#define MAX_RENDER_TARGETS 21
#define NUM_RENDER_TARGETS_H264 21
#define DESCRIBE(xparam, format) fprintf(stderr, #xparam " = %" #format "\n", xparam)
static char const *
implemetation_description_string = "OpenGL/VAAPI/libswscale backend for VDPAU";
/** @brief VdpPresentationQueueTarget object parameters */
typedef struct {
HandleType type; ///< handle type
VdpDeviceData *device; ///< link to parent
int refcount;
Drawable drawable; ///< X drawable to output to
GLXContext glc; ///< GL context used for output
} VdpPresentationQueueTargetData;
/** @brief VdpPresentationQueue object parameters */
typedef struct {
HandleType type; ///< handle type
VdpDeviceData *device; ///< link to parent
VdpPresentationQueueTargetData *target;
VdpColor bg_color; ///< background color
} VdpPresentationQueueData;
/** @brief VdpVideoMixer object parameters */
typedef struct {
HandleType type; ///< handle type
VdpDeviceData *device; ///< link to parent
} VdpVideoMixerData;
/** @brief VdpOutputSurface object parameters */
typedef struct {
HandleType type; ///< handle type
VdpDeviceData *device; ///< link to parent
VdpRGBAFormat rgba_format; ///< RGBA format of data stored
GLuint tex_id; ///< associated GL texture id
GLuint fbo_id; ///< framebuffer object id
uint32_t width;
uint32_t height;
GLuint gl_internal_format; ///< GL texture format: internal format
GLuint gl_format; ///< GL texture format: preferred external format
GLuint gl_type; ///< GL texture format: pixel type
unsigned int bytes_per_pixel; ///< number of bytes per pixel
} VdpOutputSurfaceData;
/** @brief VdpVideoSurface object parameters */
typedef struct {
HandleType type; ///< handle type
VdpDeviceData *device; ///< link to parent
VdpChromaType chroma_type; ///< video chroma type
uint32_t width;
uint32_t stride; ///< distance between first pixels of two consecutive rows (in pixels)
uint32_t height;
void *y_plane; ///< luma data (software)
void *v_plane; ///< chroma data (software)
void *u_plane; ///< chroma data (software)
VASurfaceID va_surf; ///< VA-API surface
void *va_glx; ///< handle for VA-API/GLX interaction
GLuint tex_id; ///< GL texture id (RGBA)
} VdpVideoSurfaceData;
/** @brief VdpBitmapSurface object parameters */
typedef struct {
HandleType type; ///< handle type
VdpDeviceData *device; ///< link to parent
VdpRGBAFormat rgba_format; ///< RGBA format of data stored
GLuint tex_id; ///< GL texture id
uint32_t width;
uint32_t height;
VdpBool frequently_accessed;///< 1 if surface should be optimized for frequent access
unsigned int bytes_per_pixel; ///< number of bytes per bitmap pixel
GLuint gl_internal_format; ///< GL texture format: internal format
GLuint gl_format; ///< GL texture format: preferred external format
GLuint gl_type; ///< GL texture format: pixel type
char *bitmap_data; ///< system-memory buffer for frequently accessed bitmaps
int dirty; ///< dirty flag. True if system-memory buffer contains data
///< newer than GPU texture contents
} VdpBitmapSurfaceData;
/** @brief VdpDecoder object parameters */
typedef struct {
HandleType type; ///< handle type
VdpDeviceData *device; ///< link to parent
VdpDecoderProfile profile; ///< decoder profile
uint32_t width;
uint32_t height;
uint32_t max_references; ///< maximum count of reference frames
VAConfigID config_id; ///< VA-API config id
VASurfaceID render_targets[MAX_RENDER_TARGETS]; ///< spare VA surfaces
uint32_t num_render_targets;
uint32_t next_surface_idx; ///< next free surface in render_targets
VAContextID context_id; ///< VA-API context id
} VdpDecoderData;
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)
{
*api_version = VDPAU_VERSION;
return VDP_STATUS_OK;
}
VdpStatus
softVdpDecoderQueryCapabilities(VdpDevice device, VdpDecoderProfile profile, VdpBool *is_supported,
uint32_t *max_level, uint32_t *max_macroblocks,
uint32_t *max_width, uint32_t *max_height)
{
VdpDeviceData *deviceData = handlestorage_get(device, HANDLETYPE_DEVICE);
if (NULL == deviceData)
return VDP_STATUS_INVALID_HANDLE;
if (NULL == is_supported || NULL == max_level || NULL == max_macroblocks ||
NULL == max_width || NULL == max_height)
{
return VDP_STATUS_INVALID_POINTER;
}
*max_level = 0;
*max_macroblocks = 0;
*max_width = 0;
*max_height = 0;
if (! deviceData->va_available) {
*is_supported = 0;
return VDP_STATUS_OK;
}
VAProfile *va_profile_list = malloc(sizeof(VAProfile) * vaMaxNumProfiles(deviceData->va_dpy));
if (NULL == va_profile_list)
return VDP_STATUS_RESOURCES;
int num_profiles;
VAStatus status = vaQueryConfigProfiles(deviceData->va_dpy, va_profile_list, &num_profiles);
if (VA_STATUS_SUCCESS != status) {
free(va_profile_list);
return VDP_STATUS_ERROR;
}
struct {
int mpeg2_simple;
int mpeg2_main;
int h264_baseline;
int h264_main;
int h264_high;
int vc1_simple;
int vc1_main;
int vc1_advanced;
} available_profiles = {0, 0, 0, 0, 0, 0, 0, 0};
for (int k = 0; k < num_profiles; k ++) {
switch (va_profile_list[k]) {
case VAProfileMPEG2Main:
available_profiles.mpeg2_main = 1;
/* fall through */
case VAProfileMPEG2Simple:
available_profiles.mpeg2_simple = 1;
break;
case VAProfileH264High:
available_profiles.h264_high = 1;
/* fall through */
case VAProfileH264Main:
available_profiles.h264_main = 1;
/* fall through */
case VAProfileH264Baseline:
available_profiles.h264_baseline = 1;
/* fall though */
case VAProfileH264ConstrainedBaseline:
break;
case VAProfileVC1Advanced:
available_profiles.vc1_advanced = 1;
/* fall though */
case VAProfileVC1Main:
available_profiles.vc1_main = 1;
/* fall though */
case VAProfileVC1Simple:
available_profiles.vc1_simple = 1;
break;
// unhandled profiles
case VAProfileH263Baseline:
case VAProfileJPEGBaseline:
default:
// do nothing
break;
}
}
free(va_profile_list);
*is_supported = 0;
// TODO: How to determine max width and height width libva?
*max_width = 2048;
*max_height = 2048;
*max_macroblocks = 16384;
switch (profile) {
case VDP_DECODER_PROFILE_MPEG2_SIMPLE:
*is_supported = available_profiles.mpeg2_simple;
*max_level = VDP_DECODER_LEVEL_MPEG2_HL;
break;
case VDP_DECODER_PROFILE_MPEG2_MAIN:
*is_supported = available_profiles.mpeg2_main;
*max_level = VDP_DECODER_LEVEL_MPEG2_HL;
break;
case VDP_DECODER_PROFILE_H264_BASELINE:
*is_supported = available_profiles.h264_baseline;
// TODO: Do underlying libva really support 5.1?
*max_level = VDP_DECODER_LEVEL_H264_5_1;
break;
case VDP_DECODER_PROFILE_H264_MAIN:
*is_supported = available_profiles.h264_main;
*max_level = VDP_DECODER_LEVEL_H264_5_1;
break;
case VDP_DECODER_PROFILE_H264_HIGH:
*is_supported = available_profiles.h264_high;
*max_level = VDP_DECODER_LEVEL_H264_5_1;
break;
case VDP_DECODER_PROFILE_VC1_SIMPLE:
*is_supported = available_profiles.vc1_simple;
*max_level = VDP_DECODER_LEVEL_VC1_SIMPLE_MEDIUM;
break;
case VDP_DECODER_PROFILE_VC1_MAIN:
*is_supported = available_profiles.vc1_main;
*max_level = VDP_DECODER_LEVEL_VC1_MAIN_HIGH;
break;
case VDP_DECODER_PROFILE_VC1_ADVANCED:
*is_supported = available_profiles.vc1_advanced;
*max_level = VDP_DECODER_LEVEL_VC1_ADVANCED_L4;
break;
// unsupported
case VDP_DECODER_PROFILE_MPEG1:
case VDP_DECODER_PROFILE_MPEG4_PART2_SP:
case VDP_DECODER_PROFILE_MPEG4_PART2_ASP:
case VDP_DECODER_PROFILE_DIVX4_QMOBILE:
case VDP_DECODER_PROFILE_DIVX4_MOBILE:
case VDP_DECODER_PROFILE_DIVX4_HOME_THEATER:
case VDP_DECODER_PROFILE_DIVX4_HD_1080P:
case VDP_DECODER_PROFILE_DIVX5_QMOBILE:
case VDP_DECODER_PROFILE_DIVX5_MOBILE:
case VDP_DECODER_PROFILE_DIVX5_HOME_THEATER:
case VDP_DECODER_PROFILE_DIVX5_HD_1080P:
default:
break;
}
return VDP_STATUS_OK;
}
VdpStatus
softVdpDecoderCreate(VdpDevice device, VdpDecoderProfile profile, uint32_t width, uint32_t height,
uint32_t max_references, VdpDecoder *decoder)
{
VdpStatus retval = VDP_STATUS_ERROR;
VdpDeviceData *deviceData = handlestorage_get(device, HANDLETYPE_DEVICE);
if (NULL == deviceData)
return VDP_STATUS_INVALID_HANDLE;
if (!deviceData->va_available)
return VDP_STATUS_INVALID_DECODER_PROFILE;
VADisplay va_dpy = deviceData->va_dpy;
VdpDecoderData *data = calloc(1, sizeof(VdpDecoderData));
if (NULL == data)
return VDP_STATUS_RESOURCES;
data->type = HANDLETYPE_DECODER;
data->device = deviceData;
data->profile = profile;
data->width = width;
data->height = height;
data->max_references = max_references;
data->next_surface_idx = 0;
VAProfile va_profile;
VAStatus status;
int final_try = 0;
VdpDecoderProfile next_profile = profile;
// Try to create decoder for asked profile. On failure try to create more advanced one
while (! final_try) {
profile = next_profile;
switch (profile) {
case VDP_DECODER_PROFILE_H264_BASELINE:
va_profile = VAProfileH264Baseline;
data->num_render_targets = NUM_RENDER_TARGETS_H264;
next_profile = VDP_DECODER_PROFILE_H264_MAIN;
break;
case VDP_DECODER_PROFILE_H264_MAIN:
va_profile = VAProfileH264Main;
data->num_render_targets = NUM_RENDER_TARGETS_H264;
next_profile = VDP_DECODER_PROFILE_H264_HIGH;
break;
case VDP_DECODER_PROFILE_H264_HIGH:
va_profile = VAProfileH264High;
data->num_render_targets = NUM_RENDER_TARGETS_H264;
// there is no more advanced profile, so it's final try
final_try = 1;
break;
default:
traceError("error (softVdpDecoderCreate): decoder %s not implemented\n",
reverse_decoder_profile(profile));
retval = VDP_STATUS_INVALID_DECODER_PROFILE;
goto error;
}
status = vaCreateConfig(va_dpy, va_profile, VAEntrypointVLD, NULL, 0, &data->config_id);
if (VA_STATUS_SUCCESS == status) // break loop if decoder created
break;
}
if (VA_STATUS_SUCCESS != status)
goto error;
// Create surfaces. All video surfaces created here, rather than in VdpVideoSurfaceCreate.
// VAAPI requires surfaces to be bound with context on its creation time, while VDPAU allows
// to do it later. So here is a trick: VDP video surfaces get their va_surf dynamically in
// DecoderRender.
// TODO: check format of surfaces created
status = vaCreateSurfaces(va_dpy, width, height, VA_RT_FORMAT_YUV420,
data->num_render_targets, data->render_targets);
if (VA_STATUS_SUCCESS != status)
goto error;
status = vaCreateContext(va_dpy, data->config_id, width, height, VA_PROGRESSIVE,
data->render_targets, data->num_render_targets, &data->context_id);
if (VA_STATUS_SUCCESS != status)
goto error;
deviceData->refcount ++;
*decoder = handlestorage_add(data);
return VDP_STATUS_OK;
error:
free(data);
return retval;
}
VdpStatus
softVdpDecoderDestroy(VdpDecoder decoder)
{
VdpDecoderData *decoderData = handlestorage_get(decoder, HANDLETYPE_DECODER);
if (NULL == decoderData)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = decoderData->device;
if (deviceData->va_available) {
VADisplay va_dpy = deviceData->va_dpy;
vaDestroySurfaces(va_dpy, decoderData->render_targets, decoderData->num_render_targets);
vaDestroyContext(va_dpy, decoderData->context_id);
vaDestroyConfig(va_dpy, decoderData->config_id);
}
handlestorage_expunge(decoder);
deviceData->refcount --;
free(decoderData);
return VDP_STATUS_OK;
}
VdpStatus
softVdpDecoderGetParameters(VdpDecoder decoder, VdpDecoderProfile *profile,
uint32_t *width, uint32_t *height)
{
VdpDecoderData *decoderData = handlestorage_get(decoder, HANDLETYPE_DECODER);
if (NULL == decoderData)
return VDP_STATUS_INVALID_HANDLE;
if (NULL == profile || NULL == width || NULL == height)
return VDP_STATUS_INVALID_HANDLE;
*profile = decoderData->profile;
*width = decoderData->width;
*height = decoderData->height;
return VDP_STATUS_OK;
}
static
VdpStatus
h264_translate_reference_frames(VdpVideoSurfaceData *dstSurfData, VdpDecoderData *decoderData,
VAPictureParameterBufferH264 *pic_param,
const VdpPictureInfoH264 *vdppi)
{
// take new VA surface from buffer if needed
if (VA_INVALID_SURFACE == dstSurfData->va_surf) {
if (decoderData->next_surface_idx >= decoderData->num_render_targets)
return VDP_STATUS_RESOURCES;
dstSurfData->va_surf = decoderData->render_targets[decoderData->next_surface_idx];
decoderData->next_surface_idx ++;
}
// current frame
pic_param->CurrPic.picture_id = dstSurfData->va_surf;
pic_param->CurrPic.frame_idx = vdppi->frame_num;
pic_param->CurrPic.flags = vdppi->is_reference ? VA_PICTURE_H264_SHORT_TERM_REFERENCE : 0;
if (vdppi->field_pic_flag) {
pic_param->CurrPic.flags |=
vdppi->bottom_field_flag ? VA_PICTURE_H264_BOTTOM_FIELD : VA_PICTURE_H264_TOP_FIELD;
}
pic_param->CurrPic.TopFieldOrderCnt = vdppi->field_order_cnt[0];
pic_param->CurrPic.BottomFieldOrderCnt = vdppi->field_order_cnt[1];
// mark all pictures invalid preliminary
for (int k = 0; k < 16; k ++)
reset_va_picture_h264(&pic_param->ReferenceFrames[k]);
// reference frames
for (int k = 0; k < vdppi->num_ref_frames; k ++) {
if (VDP_INVALID_HANDLE == vdppi->referenceFrames[k].surface) {
reset_va_picture_h264(&pic_param->ReferenceFrames[k]);
continue;
}
VdpReferenceFrameH264 const *vdp_ref = &(vdppi->referenceFrames[k]);
VdpVideoSurfaceData *vdpSurfData =
handlestorage_get(vdp_ref->surface, HANDLETYPE_VIDEO_SURFACE);
VAPictureH264 *va_ref = &(pic_param->ReferenceFrames[k]);
if (NULL == vdpSurfData) {
traceError("error (h264_translate_reference_frames): NULL == vdpSurfData");
return VDP_STATUS_ERROR;
}
// take new VA surface from buffer if needed
if (VA_INVALID_SURFACE == vdpSurfData->va_surf) {
if (decoderData->next_surface_idx >= decoderData->num_render_targets)
return VDP_STATUS_RESOURCES;
vdpSurfData->va_surf = decoderData->render_targets[decoderData->next_surface_idx];
decoderData->next_surface_idx ++;
}
va_ref->picture_id = vdpSurfData->va_surf;
va_ref->frame_idx = vdp_ref->frame_idx;
va_ref->flags = vdp_ref->is_long_term ? VA_PICTURE_H264_LONG_TERM_REFERENCE
: VA_PICTURE_H264_SHORT_TERM_REFERENCE;
if (vdp_ref->top_is_reference && vdp_ref->bottom_is_reference) {
// Full frame. This block intentionally left blank. No flags set.
} else {
if (vdp_ref->top_is_reference)
va_ref->flags |= VA_PICTURE_H264_TOP_FIELD;
else
va_ref->flags |= VA_PICTURE_H264_BOTTOM_FIELD;
}
va_ref->TopFieldOrderCnt = vdp_ref->field_order_cnt[0];
va_ref->BottomFieldOrderCnt = vdp_ref->field_order_cnt[1];
}
return VDP_STATUS_OK;
}
static
void
h264_translate_pic_param(VAPictureParameterBufferH264 *pic_param, uint32_t width, uint32_t height,
const VdpPictureInfoH264 *vdppi, uint32_t level)
{
pic_param->picture_width_in_mbs_minus1 = (width - 1) / 16;
pic_param->picture_height_in_mbs_minus1 = (height - 1) / 16;
pic_param->bit_depth_luma_minus8 = 0; // TODO: deal with more than 8 bits
pic_param->bit_depth_chroma_minus8 = 0; // same for luma
pic_param->num_ref_frames = vdppi->num_ref_frames;
#define SEQ_FIELDS(fieldname) pic_param->seq_fields.bits.fieldname
#define PIC_FIELDS(fieldname) pic_param->pic_fields.bits.fieldname
SEQ_FIELDS(chroma_format_idc) = 1; // TODO: not only YUV420
SEQ_FIELDS(residual_colour_transform_flag) = 0;
SEQ_FIELDS(gaps_in_frame_num_value_allowed_flag)= 0;
SEQ_FIELDS(frame_mbs_only_flag) = vdppi->frame_mbs_only_flag;
SEQ_FIELDS(mb_adaptive_frame_field_flag) = vdppi->mb_adaptive_frame_field_flag;
SEQ_FIELDS(direct_8x8_inference_flag) = vdppi->direct_8x8_inference_flag;
SEQ_FIELDS(MinLumaBiPredSize8x8) = (level >= 31);
SEQ_FIELDS(log2_max_frame_num_minus4) = vdppi->log2_max_frame_num_minus4;
SEQ_FIELDS(pic_order_cnt_type) = vdppi->pic_order_cnt_type;
SEQ_FIELDS(log2_max_pic_order_cnt_lsb_minus4) = vdppi->log2_max_pic_order_cnt_lsb_minus4;
SEQ_FIELDS(delta_pic_order_always_zero_flag) = vdppi->delta_pic_order_always_zero_flag;
pic_param->num_slice_groups_minus1 = vdppi->slice_count - 1; // ???
pic_param->slice_group_map_type = 0; // ???
pic_param->slice_group_change_rate_minus1 = 0; // ???
pic_param->pic_init_qp_minus26 = vdppi->pic_init_qp_minus26;
pic_param->pic_init_qs_minus26 = 0; // ???
pic_param->chroma_qp_index_offset = vdppi->chroma_qp_index_offset;
pic_param->second_chroma_qp_index_offset = vdppi->second_chroma_qp_index_offset;
PIC_FIELDS(entropy_coding_mode_flag) = vdppi->entropy_coding_mode_flag;
PIC_FIELDS(weighted_pred_flag) = vdppi->weighted_pred_flag;
PIC_FIELDS(weighted_bipred_idc) = vdppi->weighted_bipred_idc;
PIC_FIELDS(transform_8x8_mode_flag) = vdppi->transform_8x8_mode_flag;
PIC_FIELDS(field_pic_flag) = vdppi->field_pic_flag;
PIC_FIELDS(constrained_intra_pred_flag) = vdppi->constrained_intra_pred_flag;
PIC_FIELDS(pic_order_present_flag) = vdppi->pic_order_present_flag;
PIC_FIELDS(deblocking_filter_control_present_flag) = vdppi->deblocking_filter_control_present_flag;
PIC_FIELDS(redundant_pic_cnt_present_flag) = vdppi->redundant_pic_cnt_present_flag;
PIC_FIELDS(reference_pic_flag) = vdppi->is_reference;
pic_param->frame_num = vdppi->frame_num;
#undef SEQ_FIELDS
#undef PIC_FIELDS
}
static
void
h264_translate_iq_matrix(VAIQMatrixBufferH264 *iq_matrix, const VdpPictureInfoH264 *vdppi)
{
for (int j = 0; j < 6; j ++)
for (int k = 0; k < 16; k ++)
iq_matrix->ScalingList4x4[j][k] = vdppi->scaling_lists_4x4[j][k];
for (int j = 0; j < 2; j ++)
for (int k = 0; k < 64; k ++)
iq_matrix->ScalingList8x8[j][k] = vdppi->scaling_lists_8x8[j][k];
}
VdpStatus
softVdpDecoderRender(VdpDecoder decoder, VdpVideoSurface target,
VdpPictureInfo const *picture_info, uint32_t bitstream_buffer_count,
VdpBitstreamBuffer const *bitstream_buffers)
{
VdpDecoderData *decoderData = handlestorage_get(decoder, HANDLETYPE_DECODER);
VdpVideoSurfaceData *dstSurfData = handlestorage_get(target, HANDLETYPE_VIDEO_SURFACE);
if (NULL == decoderData || NULL == dstSurfData)
return VDP_STATUS_INVALID_HANDLE;
VdpDeviceData *deviceData = decoderData->device;
VADisplay va_dpy = deviceData->va_dpy;
VAStatus status;
VdpStatus vs;
if (VDP_DECODER_PROFILE_H264_BASELINE == decoderData->profile ||
VDP_DECODER_PROFILE_H264_MAIN == decoderData->profile ||
VDP_DECODER_PROFILE_H264_HIGH == decoderData->profile)
{
VdpPictureInfoH264 const *vdppi = (void *)picture_info;
// TODO: figure out where to get level
uint32_t level = 41;
// preparing picture parameters
VABufferID pic_param_buf;
VAPictureParameterBufferH264 *pic_param;
status = vaCreateBuffer(va_dpy, decoderData->context_id, VAPictureParameterBufferType,
sizeof(VAPictureParameterBufferH264), 1, NULL, &pic_param_buf);
if (VA_STATUS_SUCCESS != status)
goto error;
status = vaMapBuffer(va_dpy, pic_param_buf, (void **)&pic_param);
if (VA_STATUS_SUCCESS != status)
goto error;
vs = h264_translate_reference_frames(dstSurfData, decoderData, pic_param, vdppi);
if (VDP_STATUS_RESOURCES == vs)
goto error_no_surfaces_left;
if (VDP_STATUS_OK != vs)
goto error;
h264_translate_pic_param(pic_param, decoderData->width, decoderData->height, vdppi, level);
vaUnmapBuffer(va_dpy, pic_param_buf);
// IQ Matrix
VABufferID iq_matrix_buf;
VAIQMatrixBufferH264 *iq_matrix;
status = vaCreateBuffer(va_dpy, decoderData->context_id, VAIQMatrixBufferType,
sizeof(VAIQMatrixBufferH264), 1, NULL, &iq_matrix_buf);
if (VA_STATUS_SUCCESS != status)
goto error;
status = vaMapBuffer(va_dpy, iq_matrix_buf, (void **)&iq_matrix);
if (VA_STATUS_SUCCESS != status)
goto error;
h264_translate_iq_matrix(iq_matrix, vdppi);
vaUnmapBuffer(va_dpy, iq_matrix_buf);
// send data to decoding hardware
status = vaBeginPicture(va_dpy, decoderData->context_id, dstSurfData->va_surf);
if (VA_STATUS_SUCCESS != status)
goto error;
status = vaRenderPicture(va_dpy, decoderData->context_id, &pic_param_buf, 1);
if (VA_STATUS_SUCCESS != status)
goto error;
status = vaRenderPicture(va_dpy, decoderData->context_id, &iq_matrix_buf, 1);
if (VA_STATUS_SUCCESS != status)
goto error;
vaDestroyBuffer(va_dpy, pic_param_buf);
vaDestroyBuffer(va_dpy, iq_matrix_buf);
// merge bitstream buffers
int total_bitstream_bytes = 0;
for (unsigned int k = 0; k < bitstream_buffer_count; k ++)
total_bitstream_bytes += bitstream_buffers[k].bitstream_bytes;
uint8_t *merged_bitstream = malloc(total_bitstream_bytes);
if (NULL == merged_bitstream)
goto error_resources;
do {
unsigned char *ptr = merged_bitstream;
for (unsigned int k = 0; k < bitstream_buffer_count; k ++) {
memcpy(ptr, bitstream_buffers[k].bitstream, bitstream_buffers[k].bitstream_bytes);
ptr += bitstream_buffers[k].bitstream_bytes;
}
} while(0);
// Slice parameters
// All slice data have been merged into one continuous buffer. But we must supply
// slices one by one to the hardware decoder, so we need to delimit them. VDPAU
// requires bitstream buffers to include slice start code (0x00 0x00 0x01). Those
// will be used to calculate offsets and sizes of slice data in code below.
rbsp_state_t st_g; // reference, global state
rbsp_attach_buffer(&st_g, merged_bitstream, total_bitstream_bytes);
int nal_offset = rbsp_navigate_to_nal_unit(&st_g);
if (nal_offset < 0)
goto error_no_nal_header;
do {
VASliceParameterBufferH264 sp_h264;
memset(&sp_h264, 0, sizeof(VASliceParameterBufferH264));
// make a copy of global rbsp state for using in slice header parser
rbsp_state_t st = rbsp_copy_state(&st_g);
rbsp_reset_bit_counter(&st);
int nal_offset_next = rbsp_navigate_to_nal_unit(&st_g);
// calculate end of current slice. Note (-3). It's slice start code length.
const unsigned int end_pos = (nal_offset_next > 0) ? (nal_offset_next - 3)
: total_bitstream_bytes;
sp_h264.slice_data_size = end_pos - nal_offset;
sp_h264.slice_data_offset = 0;
sp_h264.slice_data_flag = VA_SLICE_DATA_FLAG_ALL;
// TODO: this may be not entirely true for YUV444
// but if we limiting to YUV420, that's ok
int ChromaArrayType = pic_param->seq_fields.bits.chroma_format_idc;
// parse slice header and use its data to fill slice parameter buffer
parse_slice_header(&st, pic_param, ChromaArrayType, vdppi->num_ref_idx_l0_active_minus1,
vdppi->num_ref_idx_l1_active_minus1, &sp_h264);
VABufferID slice_parameters_buf;
status = vaCreateBuffer(va_dpy, decoderData->context_id, VASliceParameterBufferType,
sizeof(VASliceParameterBufferH264), 1, &sp_h264, &slice_parameters_buf);
if (VA_STATUS_SUCCESS != status)
goto error;
status = vaRenderPicture(va_dpy, decoderData->context_id, &slice_parameters_buf, 1);
if (VA_STATUS_SUCCESS != status)
goto error;
VABufferID slice_buf;
status = vaCreateBuffer(va_dpy, decoderData->context_id, VASliceDataBufferType,
sp_h264.slice_data_size, 1, merged_bitstream + nal_offset, &slice_buf);
if (VA_STATUS_SUCCESS != status)
goto error;
status = vaRenderPicture(va_dpy, decoderData->context_id, &slice_buf, 1);
if (VA_STATUS_SUCCESS != status)
goto error;
vaDestroyBuffer(va_dpy, slice_parameters_buf);
vaDestroyBuffer(va_dpy, slice_buf);
if (nal_offset_next < 0) // nal_offset_next equals -1 when there is no slice
break; // start code found. Thus that was the final slice.
nal_offset = nal_offset_next;
} while (1);
status = vaEndPicture(va_dpy, decoderData->context_id);
if (VA_STATUS_SUCCESS != status)
goto error;
free(merged_bitstream);
} else {
traceError("error (softVdpDecoderRender): no implementation for profile %s\n",
reverse_decoder_profile(decoderData->profile));
return VDP_STATUS_NO_IMPLEMENTATION;
}
return VDP_STATUS_OK;
error:
traceError("error (softVdpDecoderRender): something gone wrong\n");
return VDP_STATUS_ERROR;
error_no_nal_header:
traceError("error (softVdpDecoderRender): no NAL header\n");
return VDP_STATUS_ERROR;
error_resources:
return VDP_STATUS_RESOURCES;
error_no_surfaces_left:
traceError("error (softVdpDecoderRender): no surfaces left in buffer\n");
return VDP_STATUS_ERROR;
}
VdpStatus
softVdpOutputSurfaceQueryCapabilities(VdpDevice device, VdpRGBAFormat surface_rgba_format,
VdpBool *is_supported, uint32_t *max_width,
uint32_t *max_height)
{
VdpDeviceData *deviceData = handlestorage_get(device, HANDLETYPE_DEVICE);
if (NULL == deviceData)
return VDP_STATUS_INVALID_HANDLE;
if (NULL == is_supported || NULL == max_width || NULL == max_height)
return VDP_STATUS_INVALID_POINTER;
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);
return VDP_STATUS_ERROR;
}
*max_width = max_texture_size;
*max_height = max_texture_size;
return VDP_STATUS_OK;
}
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)
{
VdpDeviceData *deviceData = handlestorage_get(device, HANDLETYPE_DEVICE);
if (NULL == deviceData)
return VDP_STATUS_INVALID_HANDLE;
//TODO: figure out reasonable limits
if (width > 4096 || height > 4096)
return VDP_STATUS_INVALID_SIZE;
VdpOutputSurfaceData *data = (VdpOutputSurfaceData *)calloc(1, sizeof(VdpOutputSurfaceData));
if (NULL == data)
return VDP_STATUS_RESOURCES;
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);
return VDP_STATUS_INVALID_RGBA_FORMAT;
}
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);
return VDP_STATUS_ERROR;
}
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpOutputSurfaceCreate): gl error %d\n", gl_error);
free(data);
return VDP_STATUS_ERROR;
}
deviceData->refcount ++;
*surface = handlestorage_add(data);
return VDP_STATUS_OK;
}
VdpStatus
softVdpOutputSurfaceDestroy(VdpOutputSurface surface)
{
VdpOutputSurfaceData *data = handlestorage_get(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);
return VDP_STATUS_ERROR;
}
handlestorage_expunge(surface);
deviceData->refcount --;
free(data);
return VDP_STATUS_OK;
}
VdpStatus
softVdpOutputSurfaceGetParameters(VdpOutputSurface surface, VdpRGBAFormat *rgba_format,
uint32_t *width, uint32_t *height)
{
VdpOutputSurfaceData *surfData = handlestorage_get(surface, HANDLETYPE_OUTPUT_SURFACE);
if (NULL == surfData)
return VDP_STATUS_INVALID_HANDLE;
if (NULL == rgba_format || NULL == width || NULL == height)
return VDP_STATUS_INVALID_HANDLE;
*rgba_format = surfData->rgba_format;
*width = surfData->width;
*height = surfData->height;
return VDP_STATUS_OK;
}
VdpStatus
softVdpOutputSurfaceGetBitsNative(VdpOutputSurface surface, VdpRect const *source_rect,
void *const *destination_data,
uint32_t const *destination_pitches)
{
VdpOutputSurfaceData *srcSurfData = handlestorage_get(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);
GLenum gl_error = glGetError();
glx_context_pop();
if (GL_NO_ERROR != gl_error) {
traceError("error (VdpOutputSurfaceGetBitsNative): gl error %d\n", gl_error);
return VDP_STATUS_ERROR;
}
return VDP_STATUS_OK;
}