forked from KolibriOS/kolibrios
283 lines
9.9 KiB
C++
283 lines
9.9 KiB
C++
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/*
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* Copyright (c) 2007-2008 Intel Corporation. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* it is a real program to show how VAAPI decode work,
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* It does VLD decode for a simple MPEG2 clip "mpeg2-I.m2v"
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* "mpeg2-I.m2v" and VA parameters are hardcoded into mpeg2vldemo.c,
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* See mpeg2-I.jif to know how those VA parameters come from
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*
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* gcc -o mpeg2vldemo mpeg2vldemo.c -lva -lva-x11 -I/usr/include/va
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* ./mpeg2vldemo : only do decode
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* ./mpeg2vldemo <any parameter >: decode+display
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <va/va.h>
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#include "va_display.h"
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#define CHECK_VASTATUS(va_status,func) \
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if (va_status != VA_STATUS_SUCCESS) { \
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fprintf(stderr,"%s:%s (%d) failed,exit\n", __func__, func, __LINE__); \
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exit(1); \
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}
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/* Data dump of a 16x16 MPEG2 video clip,it has one I frame
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*/
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static unsigned char mpeg2_clip[]={
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0x00,0x00,0x01,0xb3,0x01,0x00,0x10,0x13,0xff,0xff,0xe0,0x18,0x00,0x00,0x01,0xb5,
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0x14,0x8a,0x00,0x01,0x00,0x00,0x00,0x00,0x01,0xb8,0x00,0x08,0x00,0x00,0x00,0x00,
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0x01,0x00,0x00,0x0f,0xff,0xf8,0x00,0x00,0x01,0xb5,0x8f,0xff,0xf3,0x41,0x80,0x00,
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0x00,0x01,0x01,0x13,0xe1,0x00,0x15,0x81,0x54,0xe0,0x2a,0x05,0x43,0x00,0x2d,0x60,
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0x18,0x01,0x4e,0x82,0xb9,0x58,0xb1,0x83,0x49,0xa4,0xa0,0x2e,0x05,0x80,0x4b,0x7a,
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0x00,0x01,0x38,0x20,0x80,0xe8,0x05,0xff,0x60,0x18,0xe0,0x1d,0x80,0x98,0x01,0xf8,
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0x06,0x00,0x54,0x02,0xc0,0x18,0x14,0x03,0xb2,0x92,0x80,0xc0,0x18,0x94,0x42,0x2c,
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0xb2,0x11,0x64,0xa0,0x12,0x5e,0x78,0x03,0x3c,0x01,0x80,0x0e,0x80,0x18,0x80,0x6b,
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0xca,0x4e,0x01,0x0f,0xe4,0x32,0xc9,0xbf,0x01,0x42,0x69,0x43,0x50,0x4b,0x01,0xc9,
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0x45,0x80,0x50,0x01,0x38,0x65,0xe8,0x01,0x03,0xf3,0xc0,0x76,0x00,0xe0,0x03,0x20,
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0x28,0x18,0x01,0xa9,0x34,0x04,0xc5,0xe0,0x0b,0x0b,0x04,0x20,0x06,0xc0,0x89,0xff,
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0x60,0x12,0x12,0x8a,0x2c,0x34,0x11,0xff,0xf6,0xe2,0x40,0xc0,0x30,0x1b,0x7a,0x01,
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0xa9,0x0d,0x00,0xac,0x64
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};
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/* hardcoded here without a bitstream parser helper
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* please see picture mpeg2-I.jpg for bitstream details
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*/
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static VAPictureParameterBufferMPEG2 pic_param={
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horizontal_size:16,
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vertical_size:16,
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forward_reference_picture:0xffffffff,
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backward_reference_picture:0xffffffff,
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picture_coding_type:1,
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f_code:0xffff,
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{
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{
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intra_dc_precision:0,
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picture_structure:3,
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top_field_first:0,
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frame_pred_frame_dct:1,
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concealment_motion_vectors:0,
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q_scale_type:0,
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intra_vlc_format:0,
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alternate_scan:0,
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repeat_first_field:0,
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progressive_frame:1 ,
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is_first_field:1
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},
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}
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};
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/* see MPEG2 spec65 for the defines of matrix */
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static VAIQMatrixBufferMPEG2 iq_matrix = {
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load_intra_quantiser_matrix:1,
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load_non_intra_quantiser_matrix:1,
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load_chroma_intra_quantiser_matrix:0,
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load_chroma_non_intra_quantiser_matrix:0,
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intra_quantiser_matrix:{
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8, 16, 16, 19, 16, 19, 22, 22,
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22, 22, 22, 22, 26, 24, 26, 27,
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27, 27, 26, 26, 26, 26, 27, 27,
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27, 29, 29, 29, 34, 34, 34, 29,
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29, 29, 27, 27, 29, 29, 32, 32,
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34, 34, 37, 38, 37, 35, 35, 34,
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35, 38, 38, 40, 40, 40, 48, 48,
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46, 46, 56, 56, 58, 69, 69, 83
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},
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non_intra_quantiser_matrix:{16},
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chroma_intra_quantiser_matrix:{0},
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chroma_non_intra_quantiser_matrix:{0}
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};
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#if 1
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static VASliceParameterBufferMPEG2 slice_param={
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slice_data_size:150,
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slice_data_offset:0,
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slice_data_flag:0,
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macroblock_offset:38, /* 4byte + 6bits=38bits */
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slice_horizontal_position:0,
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slice_vertical_position:0,
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quantiser_scale_code:2,
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intra_slice_flag:0
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};
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#endif
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#define CLIP_WIDTH 16
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#define CLIP_HEIGHT 16
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#define WIN_WIDTH (CLIP_WIDTH<<1)
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#define WIN_HEIGHT (CLIP_HEIGHT<<1)
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int main(int argc,char **argv)
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{
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VAEntrypoint entrypoints[5];
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int num_entrypoints,vld_entrypoint;
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VAConfigAttrib attrib;
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VAConfigID config_id;
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VASurfaceID surface_id;
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VAContextID context_id;
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VABufferID pic_param_buf,iqmatrix_buf,slice_param_buf,slice_data_buf;
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int major_ver, minor_ver;
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VADisplay va_dpy;
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VAStatus va_status;
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int putsurface=0;
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va_init_display_args(&argc, argv);
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if (argc > 1)
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putsurface=1;
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va_dpy = va_open_display();
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va_status = vaInitialize(va_dpy, &major_ver, &minor_ver);
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assert(va_status == VA_STATUS_SUCCESS);
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va_status = vaQueryConfigEntrypoints(va_dpy, VAProfileMPEG2Main, entrypoints,
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&num_entrypoints);
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CHECK_VASTATUS(va_status, "vaQueryConfigEntrypoints");
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for (vld_entrypoint = 0; vld_entrypoint < num_entrypoints; vld_entrypoint++) {
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if (entrypoints[vld_entrypoint] == VAEntrypointVLD)
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break;
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}
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if (vld_entrypoint == num_entrypoints) {
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/* not find VLD entry point */
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assert(0);
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}
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/* Assuming finding VLD, find out the format for the render target */
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attrib.type = VAConfigAttribRTFormat;
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vaGetConfigAttributes(va_dpy, VAProfileMPEG2Main, VAEntrypointVLD,
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&attrib, 1);
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if ((attrib.value & VA_RT_FORMAT_YUV420) == 0) {
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/* not find desired YUV420 RT format */
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assert(0);
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}
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va_status = vaCreateConfig(va_dpy, VAProfileMPEG2Main, VAEntrypointVLD,
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&attrib, 1,&config_id);
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CHECK_VASTATUS(va_status, "vaQueryConfigEntrypoints");
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va_status = vaCreateSurfaces(
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va_dpy,
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VA_RT_FORMAT_YUV420, CLIP_WIDTH, CLIP_HEIGHT,
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&surface_id, 1,
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NULL, 0
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);
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CHECK_VASTATUS(va_status, "vaCreateSurfaces");
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/* Create a context for this decode pipe */
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va_status = vaCreateContext(va_dpy, config_id,
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CLIP_WIDTH,
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((CLIP_HEIGHT+15)/16)*16,
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VA_PROGRESSIVE,
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&surface_id,
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1,
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&context_id);
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CHECK_VASTATUS(va_status, "vaCreateContext");
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va_status = vaCreateBuffer(va_dpy, context_id,
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VAPictureParameterBufferType,
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sizeof(VAPictureParameterBufferMPEG2),
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1, &pic_param,
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&pic_param_buf);
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CHECK_VASTATUS(va_status, "vaCreateBuffer");
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va_status = vaCreateBuffer(va_dpy, context_id,
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VAIQMatrixBufferType,
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sizeof(VAIQMatrixBufferMPEG2),
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1, &iq_matrix,
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&iqmatrix_buf );
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CHECK_VASTATUS(va_status, "vaCreateBuffer");
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va_status = vaCreateBuffer(va_dpy, context_id,
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VASliceParameterBufferType,
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sizeof(VASliceParameterBufferMPEG2),
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1,
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&slice_param, &slice_param_buf);
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CHECK_VASTATUS(va_status, "vaCreateBuffer");
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va_status = vaCreateBuffer(va_dpy, context_id,
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VASliceDataBufferType,
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0xc4-0x2f+1,
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1,
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mpeg2_clip+0x2f,
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&slice_data_buf);
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CHECK_VASTATUS(va_status, "vaCreateBuffer");
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va_status = vaBeginPicture(va_dpy, context_id, surface_id);
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CHECK_VASTATUS(va_status, "vaBeginPicture");
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va_status = vaRenderPicture(va_dpy,context_id, &pic_param_buf, 1);
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CHECK_VASTATUS(va_status, "vaRenderPicture");
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va_status = vaRenderPicture(va_dpy,context_id, &iqmatrix_buf, 1);
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CHECK_VASTATUS(va_status, "vaRenderPicture");
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va_status = vaRenderPicture(va_dpy,context_id, &slice_param_buf, 1);
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CHECK_VASTATUS(va_status, "vaRenderPicture");
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va_status = vaRenderPicture(va_dpy,context_id, &slice_data_buf, 1);
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CHECK_VASTATUS(va_status, "vaRenderPicture");
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va_status = vaEndPicture(va_dpy,context_id);
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CHECK_VASTATUS(va_status, "vaEndPicture");
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va_status = vaSyncSurface(va_dpy, surface_id);
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CHECK_VASTATUS(va_status, "vaSyncSurface");
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if (putsurface) {
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VARectangle src_rect, dst_rect;
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src_rect.x = 0;
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src_rect.y = 0;
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src_rect.width = CLIP_WIDTH;
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src_rect.height = CLIP_HEIGHT;
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dst_rect.x = 0;
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dst_rect.y = 0;
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dst_rect.width = WIN_WIDTH;
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dst_rect.height = WIN_HEIGHT;
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va_status = va_put_surface(va_dpy, surface_id, &src_rect, &dst_rect);
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CHECK_VASTATUS(va_status, "vaPutSurface");
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}
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printf("press any key to exit\n");
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getchar();
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vaDestroySurfaces(va_dpy,&surface_id,1);
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vaDestroyConfig(va_dpy,config_id);
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vaDestroyContext(va_dpy,context_id);
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vaTerminate(va_dpy);
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va_close_display(va_dpy);
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return 0;
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}
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