sandy
/
PL286
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1 Commit
1 Branch
0 Tags
18 GiB
Tree: 99da0f2c72
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '99da0f2c72'
${ noResults }
PL286/hardware/intel/common/libva/test/encode/avcenc.c

1700 lines
59 KiB
Raw Blame History

/*
* Copyright (c) 2012 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Simple AVC encoder based on libVA.
*
* Usage:
* ./avcenc <width> <height> <input file> <output file> [qp]
*/
#include "sysdeps.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <assert.h>
#include <time.h>
#include <pthread.h>
#include <va/va.h>
#include <va/va_enc_h264.h>
#include "va_display.h"
#define NAL_REF_IDC_NONE 0
#define NAL_REF_IDC_LOW 1
#define NAL_REF_IDC_MEDIUM 2
#define NAL_REF_IDC_HIGH 3
#define NAL_NON_IDR 1
#define NAL_IDR 5
#define NAL_SPS 7
#define NAL_PPS 8
#define NAL_SEI 6
#define SLICE_TYPE_P 0
#define SLICE_TYPE_B 1
#define SLICE_TYPE_I 2
#define ENTROPY_MODE_CAVLC 0
#define ENTROPY_MODE_CABAC 1
#define PROFILE_IDC_BASELINE 66
#define PROFILE_IDC_MAIN 77
#define PROFILE_IDC_HIGH 100
#define CHECK_VASTATUS(va_status,func) \
if (va_status != VA_STATUS_SUCCESS) { \
fprintf(stderr,"%s:%s (%d) failed,exit\n", __func__, func, __LINE__); \
exit(1); \
}
static VADisplay va_dpy;
static int picture_width, picture_width_in_mbs;
static int picture_height, picture_height_in_mbs;
static int frame_size;
static unsigned char *newImageBuffer = 0;
static int qp_value = 26;
static int intra_period = 30;
static int pb_period = 5;
static int frame_bit_rate = -1;
#define MAX_SLICES 32
static int
build_packed_pic_buffer(unsigned char **header_buffer);
static int
build_packed_seq_buffer(unsigned char **header_buffer);
static int
build_packed_sei_buffer_timing(unsigned int init_cpb_removal_length,
unsigned int init_cpb_removal_delay,
unsigned int init_cpb_removal_delay_offset,
unsigned int cpb_removal_length,
unsigned int cpb_removal_delay,
unsigned int dpb_output_length,
unsigned int dpb_output_delay,
unsigned char **sei_buffer);
struct upload_thread_param
{
FILE *yuv_fp;
VASurfaceID surface_id;
};
static void
upload_yuv_to_surface(FILE *yuv_fp, VASurfaceID surface_id);
static struct {
VAProfile profile;
int constraint_set_flag;
VAEncSequenceParameterBufferH264 seq_param;
VAEncPictureParameterBufferH264 pic_param;
VAEncSliceParameterBufferH264 slice_param[MAX_SLICES];
VAContextID context_id;
VAConfigID config_id;
VABufferID seq_param_buf_id; /* Sequence level parameter */
VABufferID pic_param_buf_id; /* Picture level parameter */
VABufferID slice_param_buf_id[MAX_SLICES]; /* Slice level parameter, multil slices */
VABufferID codedbuf_buf_id; /* Output buffer, compressed data */
VABufferID packed_seq_header_param_buf_id;
VABufferID packed_seq_buf_id;
VABufferID packed_pic_header_param_buf_id;
VABufferID packed_pic_buf_id;
VABufferID packed_sei_header_param_buf_id; /* the SEI buffer */
VABufferID packed_sei_buf_id;
VABufferID misc_parameter_hrd_buf_id;
int num_slices;
int codedbuf_i_size;
int codedbuf_pb_size;
int current_input_surface;
int rate_control_method;
struct upload_thread_param upload_thread_param;
pthread_t upload_thread_id;
int upload_thread_value;
int i_initial_cpb_removal_delay;
int i_initial_cpb_removal_delay_length;
int i_cpb_removal_delay;
int i_cpb_removal_delay_length;
int i_dpb_output_delay_length;
} avcenc_context;
static VAPictureH264 ReferenceFrames[16], RefPicList0[32], RefPicList1[32];
static void create_encode_pipe()
{
VAEntrypoint entrypoints[5];
int num_entrypoints,slice_entrypoint;
VAConfigAttrib attrib[2];
int major_ver, minor_ver;
VAStatus va_status;
va_dpy = va_open_display();
va_status = vaInitialize(va_dpy, &major_ver, &minor_ver);
CHECK_VASTATUS(va_status, "vaInitialize");
vaQueryConfigEntrypoints(va_dpy, avcenc_context.profile, entrypoints,
&num_entrypoints);
for (slice_entrypoint = 0; slice_entrypoint < num_entrypoints; slice_entrypoint++) {
if (entrypoints[slice_entrypoint] == VAEntrypointEncSlice)
break;
}
if (slice_entrypoint == num_entrypoints) {
/* not find Slice entry point */
assert(0);
}
/* find out the format for the render target, and rate control mode */
attrib[0].type = VAConfigAttribRTFormat;
attrib[1].type = VAConfigAttribRateControl;
vaGetConfigAttributes(va_dpy, avcenc_context.profile, VAEntrypointEncSlice,
&attrib[0], 2);
if ((attrib[0].value & VA_RT_FORMAT_YUV420) == 0) {
/* not find desired YUV420 RT format */
assert(0);
}
if ((attrib[1].value & avcenc_context.rate_control_method) == 0) {
/* Can't find matched RC mode */
printf("Can't find the desired RC mode, exit\n");
assert(0);
}
attrib[0].value = VA_RT_FORMAT_YUV420; /* set to desired RT format */
attrib[1].value = avcenc_context.rate_control_method; /* set to desired RC mode */
va_status = vaCreateConfig(va_dpy, avcenc_context.profile, VAEntrypointEncSlice,
&attrib[0], 2,&avcenc_context.config_id);
CHECK_VASTATUS(va_status, "vaCreateConfig");
/* Create a context for this decode pipe */
va_status = vaCreateContext(va_dpy, avcenc_context.config_id,
picture_width, picture_height,
VA_PROGRESSIVE,
0, 0,
&avcenc_context.context_id);
CHECK_VASTATUS(va_status, "vaCreateContext");
}
static void destory_encode_pipe()
{
vaDestroyContext(va_dpy,avcenc_context.context_id);
vaDestroyConfig(va_dpy,avcenc_context.config_id);
vaTerminate(va_dpy);
va_close_display(va_dpy);
}
/***************************************************
*
* The encode pipe resource define
*
***************************************************/
#define SID_INPUT_PICTURE_0 0
#define SID_INPUT_PICTURE_1 1
#define SID_REFERENCE_PICTURE_L0 2
#define SID_REFERENCE_PICTURE_L1 3
#define SID_RECON_PICTURE 4
#define SID_NUMBER SID_RECON_PICTURE + 1
static VASurfaceID surface_ids[SID_NUMBER];
static int frame_number;
static int enc_frame_number;
/***************************************************/
static void *
upload_thread_function(void *data)
{
struct upload_thread_param *param = data;
upload_yuv_to_surface(param->yuv_fp, param->surface_id);
return NULL;
}
static void alloc_encode_resource(FILE *yuv_fp)
{
VAStatus va_status;
// Create surface
va_status = vaCreateSurfaces(
va_dpy,
VA_RT_FORMAT_YUV420, picture_width, picture_height,
&surface_ids[0], SID_NUMBER,
NULL, 0
);
CHECK_VASTATUS(va_status, "vaCreateSurfaces");
newImageBuffer = (unsigned char *)malloc(frame_size);
/* firstly upload YUV data to SID_INPUT_PICTURE_1 */
avcenc_context.upload_thread_param.yuv_fp = yuv_fp;
avcenc_context.upload_thread_param.surface_id = surface_ids[SID_INPUT_PICTURE_1];
avcenc_context.upload_thread_value = pthread_create(&avcenc_context.upload_thread_id,
NULL,
upload_thread_function,
(void*)&avcenc_context.upload_thread_param);
}
static void release_encode_resource()
{
pthread_join(avcenc_context.upload_thread_id, NULL);
free(newImageBuffer);
// Release all the surfaces resource
vaDestroySurfaces(va_dpy, &surface_ids[0], SID_NUMBER);
}
static void avcenc_update_sei_param(int frame_num)
{
VAEncPackedHeaderParameterBuffer packed_header_param_buffer;
unsigned int length_in_bits, offset_in_bytes;
unsigned char *packed_sei_buffer = NULL;
VAStatus va_status;
length_in_bits = build_packed_sei_buffer_timing(
avcenc_context.i_initial_cpb_removal_delay_length,
avcenc_context.i_initial_cpb_removal_delay,
0,
avcenc_context.i_cpb_removal_delay_length,
avcenc_context.i_cpb_removal_delay * frame_num,
avcenc_context.i_dpb_output_delay_length,
0,
&packed_sei_buffer);
offset_in_bytes = 0;
packed_header_param_buffer.type = VAEncPackedHeaderH264_SEI;
packed_header_param_buffer.bit_length = length_in_bits;
packed_header_param_buffer.has_emulation_bytes = 0;
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncPackedHeaderParameterBufferType,
sizeof(packed_header_param_buffer), 1, &packed_header_param_buffer,
&avcenc_context.packed_sei_header_param_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncPackedHeaderDataBufferType,
(length_in_bits + 7) / 8, 1, packed_sei_buffer,
&avcenc_context.packed_sei_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
free(packed_sei_buffer);
return;
}
static void avcenc_update_picture_parameter(int slice_type, int frame_num, int display_num, int is_idr)
{
VAEncPictureParameterBufferH264 *pic_param;
VAStatus va_status;
// Picture level
pic_param = &avcenc_context.pic_param;
pic_param->CurrPic.picture_id = surface_ids[SID_RECON_PICTURE];
pic_param->CurrPic.TopFieldOrderCnt = display_num * 2;
pic_param->ReferenceFrames[0].picture_id = surface_ids[SID_REFERENCE_PICTURE_L0];
pic_param->ReferenceFrames[1].picture_id = surface_ids[SID_REFERENCE_PICTURE_L1];
pic_param->ReferenceFrames[2].picture_id = VA_INVALID_ID;
assert(avcenc_context.codedbuf_buf_id != VA_INVALID_ID);
pic_param->coded_buf = avcenc_context.codedbuf_buf_id;
pic_param->frame_num = frame_num;
pic_param->pic_fields.bits.idr_pic_flag = !!is_idr;
pic_param->pic_fields.bits.reference_pic_flag = (slice_type != SLICE_TYPE_B);
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncPictureParameterBufferType,
sizeof(*pic_param), 1, pic_param,
&avcenc_context.pic_param_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
}
#ifndef VA_FOURCC_I420
#define VA_FOURCC_I420 0x30323449
#endif
static void upload_yuv_to_surface(FILE *yuv_fp, VASurfaceID surface_id)
{
VAImage surface_image;
VAStatus va_status;
void *surface_p = NULL;
unsigned char *y_src, *u_src, *v_src;
unsigned char *y_dst, *u_dst, *v_dst;
int y_size = picture_width * picture_height;
int u_size = (picture_width >> 1) * (picture_height >> 1);
int row, col;
size_t n_items;
do {
n_items = fread(newImageBuffer, frame_size, 1, yuv_fp);
} while (n_items != 1);
va_status = vaDeriveImage(va_dpy, surface_id, &surface_image);
CHECK_VASTATUS(va_status,"vaDeriveImage");
vaMapBuffer(va_dpy, surface_image.buf, &surface_p);
assert(VA_STATUS_SUCCESS == va_status);
y_src = newImageBuffer;
u_src = newImageBuffer + y_size; /* UV offset for NV12 */
v_src = newImageBuffer + y_size + u_size;
y_dst = surface_p + surface_image.offsets[0];
u_dst = surface_p + surface_image.offsets[1]; /* UV offset for NV12 */
v_dst = surface_p + surface_image.offsets[2];
/* Y plane */
for (row = 0; row < surface_image.height; row++) {
memcpy(y_dst, y_src, surface_image.width);
y_dst += surface_image.pitches[0];
y_src += picture_width;
}
if (surface_image.format.fourcc == VA_FOURCC_NV12) { /* UV plane */
for (row = 0; row < surface_image.height / 2; row++) {
for (col = 0; col < surface_image.width / 2; col++) {
u_dst[col * 2] = u_src[col];
u_dst[col * 2 + 1] = v_src[col];
}
u_dst += surface_image.pitches[1];
u_src += (picture_width / 2);
v_src += (picture_width / 2);
}
} else if (surface_image.format.fourcc == VA_FOURCC_YV12 ||
surface_image.format.fourcc == VA_FOURCC_I420) {
const int U = surface_image.format.fourcc == VA_FOURCC_I420 ? 1 : 2;
const int V = surface_image.format.fourcc == VA_FOURCC_I420 ? 2 : 1;
u_dst = surface_p + surface_image.offsets[U];
v_dst = surface_p + surface_image.offsets[V];
for (row = 0; row < surface_image.height / 2; row++) {
memcpy(u_dst, u_src, surface_image.width / 2);
memcpy(v_dst, v_src, surface_image.width / 2);
u_dst += surface_image.pitches[U];
v_dst += surface_image.pitches[V];
u_src += (picture_width / 2);
v_src += (picture_width / 2);
}
}
vaUnmapBuffer(va_dpy, surface_image.buf);
vaDestroyImage(va_dpy, surface_image.image_id);
}
static void avcenc_update_slice_parameter(int slice_type)
{
VAEncSliceParameterBufferH264 *slice_param;
VAStatus va_status;
int i;
// Slice level
i = 0;
slice_param = &avcenc_context.slice_param[i];
slice_param->macroblock_address = 0;
slice_param->num_macroblocks = picture_height_in_mbs * picture_width_in_mbs;
slice_param->pic_parameter_set_id = 0;
slice_param->slice_type = slice_type;
slice_param->direct_spatial_mv_pred_flag = 0;
slice_param->num_ref_idx_l0_active_minus1 = 0; /* FIXME: ??? */
slice_param->num_ref_idx_l1_active_minus1 = 0;
slice_param->cabac_init_idc = 0;
slice_param->slice_qp_delta = 0;
slice_param->disable_deblocking_filter_idc = 0;
slice_param->slice_alpha_c0_offset_div2 = 2;
slice_param->slice_beta_offset_div2 = 2;
slice_param->idr_pic_id = 0;
/* FIXME: fill other fields */
if ((slice_type == SLICE_TYPE_P) || (slice_type == SLICE_TYPE_B)) {
int j;
slice_param->RefPicList0[0].picture_id = surface_ids[SID_REFERENCE_PICTURE_L0];
for (j = 1; j < 32; j++) {
slice_param->RefPicList0[j].picture_id = VA_INVALID_SURFACE;
slice_param->RefPicList0[j].flags = VA_PICTURE_H264_INVALID;
}
}
if ((slice_type == SLICE_TYPE_B)) {
int j;
slice_param->RefPicList1[0].picture_id = surface_ids[SID_REFERENCE_PICTURE_L1];
for (j = 1; j < 32; j++) {
slice_param->RefPicList1[j].picture_id = VA_INVALID_SURFACE;
slice_param->RefPicList1[j].flags = VA_PICTURE_H264_INVALID;
}
}
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncSliceParameterBufferType,
sizeof(*slice_param), 1, slice_param,
&avcenc_context.slice_param_buf_id[i]);
CHECK_VASTATUS(va_status,"vaCreateBuffer");;
i++;
#if 0
slice_param = &avcenc_context.slice_param[i];
slice_param->macroblock_address = picture_height_in_mbs * picture_width_in_mbs / 2;
slice_param->num_macroblocks = picture_height_in_mbs * picture_width_in_mbs / 2;
slice_param->pic_parameter_set_id = 0;
slice_param->slice_type = slice_type;
slice_param->direct_spatial_mv_pred_flag = 0;
slice_param->num_ref_idx_l0_active_minus1 = 0; /* FIXME: ??? */
slice_param->num_ref_idx_l1_active_minus1 = 0;
slice_param->cabac_init_idc = 0;
slice_param->slice_qp_delta = 0;
slice_param->disable_deblocking_filter_idc = 0;
slice_param->slice_alpha_c0_offset_div2 = 2;
slice_param->slice_beta_offset_div2 = 2;
slice_param->idr_pic_id = 0;
/* FIXME: fill other fields */
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncSliceParameterBufferType,
sizeof(*slice_param), 1, slice_param,
&avcenc_context.slice_param_buf_id[i]);
CHECK_VASTATUS(va_status,"vaCreateBuffer");;
i++;
#endif
avcenc_context.num_slices = i;
}
static int begin_picture(FILE *yuv_fp, int frame_num, int display_num, int slice_type, int is_idr)
{
VAStatus va_status;
if (avcenc_context.upload_thread_value != 0) {
fprintf(stderr, "FATAL error!!!\n");
exit(1);
}
pthread_join(avcenc_context.upload_thread_id, NULL);
avcenc_context.upload_thread_value = -1;
if (avcenc_context.current_input_surface == SID_INPUT_PICTURE_0)
avcenc_context.current_input_surface = SID_INPUT_PICTURE_1;
else
avcenc_context.current_input_surface = SID_INPUT_PICTURE_0;
if (frame_num == 0) {
VAEncPackedHeaderParameterBuffer packed_header_param_buffer;
unsigned int length_in_bits, offset_in_bytes;
unsigned char *packed_seq_buffer = NULL, *packed_pic_buffer = NULL;
assert(slice_type == SLICE_TYPE_I);
length_in_bits = build_packed_seq_buffer(&packed_seq_buffer);
offset_in_bytes = 0;
packed_header_param_buffer.type = VAEncPackedHeaderSequence;
packed_header_param_buffer.bit_length = length_in_bits;
packed_header_param_buffer.has_emulation_bytes = 0;
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncPackedHeaderParameterBufferType,
sizeof(packed_header_param_buffer), 1, &packed_header_param_buffer,
&avcenc_context.packed_seq_header_param_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncPackedHeaderDataBufferType,
(length_in_bits + 7) / 8, 1, packed_seq_buffer,
&avcenc_context.packed_seq_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
length_in_bits = build_packed_pic_buffer(&packed_pic_buffer);
offset_in_bytes = 0;
packed_header_param_buffer.type = VAEncPackedHeaderPicture;
packed_header_param_buffer.bit_length = length_in_bits;
packed_header_param_buffer.has_emulation_bytes = 0;
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncPackedHeaderParameterBufferType,
sizeof(packed_header_param_buffer), 1, &packed_header_param_buffer,
&avcenc_context.packed_pic_header_param_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncPackedHeaderDataBufferType,
(length_in_bits + 7) / 8, 1, packed_pic_buffer,
&avcenc_context.packed_pic_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
free(packed_seq_buffer);
free(packed_pic_buffer);
}
/* sequence parameter set */
VAEncSequenceParameterBufferH264 *seq_param = &avcenc_context.seq_param;
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncSequenceParameterBufferType,
sizeof(*seq_param), 1, seq_param,
&avcenc_context.seq_param_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
/* hrd parameter */
VAEncMiscParameterBuffer *misc_param;
VAEncMiscParameterHRD *misc_hrd_param;
vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncMiscParameterBufferType,
sizeof(VAEncMiscParameterBuffer) + sizeof(VAEncMiscParameterRateControl),
1,
NULL,
&avcenc_context.misc_parameter_hrd_buf_id);
CHECK_VASTATUS(va_status, "vaCreateBuffer");
vaMapBuffer(va_dpy,
avcenc_context.misc_parameter_hrd_buf_id,
(void **)&misc_param);
misc_param->type = VAEncMiscParameterTypeHRD;
misc_hrd_param = (VAEncMiscParameterHRD *)misc_param->data;
if (frame_bit_rate > 0) {
misc_hrd_param->initial_buffer_fullness = frame_bit_rate * 1024 * 4;
misc_hrd_param->buffer_size = frame_bit_rate * 1024 * 8;
} else {
misc_hrd_param->initial_buffer_fullness = 0;
misc_hrd_param->buffer_size = 0;
}
vaUnmapBuffer(va_dpy, avcenc_context.misc_parameter_hrd_buf_id);
/* slice parameter */
avcenc_update_slice_parameter(slice_type);
return 0;
}
int avcenc_render_picture()
{
VAStatus va_status;
VABufferID va_buffers[10];
unsigned int num_va_buffers = 0;
int i;
va_buffers[num_va_buffers++] = avcenc_context.seq_param_buf_id;
va_buffers[num_va_buffers++] = avcenc_context.pic_param_buf_id;
if (avcenc_context.packed_seq_header_param_buf_id != VA_INVALID_ID)
va_buffers[num_va_buffers++] = avcenc_context.packed_seq_header_param_buf_id;
if (avcenc_context.packed_seq_buf_id != VA_INVALID_ID)
va_buffers[num_va_buffers++] = avcenc_context.packed_seq_buf_id;
if (avcenc_context.packed_pic_header_param_buf_id != VA_INVALID_ID)
va_buffers[num_va_buffers++] = avcenc_context.packed_pic_header_param_buf_id;
if (avcenc_context.packed_pic_buf_id != VA_INVALID_ID)
va_buffers[num_va_buffers++] = avcenc_context.packed_pic_buf_id;
if (avcenc_context.packed_sei_header_param_buf_id != VA_INVALID_ID)
va_buffers[num_va_buffers++] = avcenc_context.packed_sei_header_param_buf_id;
if (avcenc_context.packed_sei_buf_id != VA_INVALID_ID)
va_buffers[num_va_buffers++] = avcenc_context.packed_sei_buf_id;
if (avcenc_context.misc_parameter_hrd_buf_id != VA_INVALID_ID)
va_buffers[num_va_buffers++] = avcenc_context.misc_parameter_hrd_buf_id;
va_status = vaBeginPicture(va_dpy,
avcenc_context.context_id,
surface_ids[avcenc_context.current_input_surface]);
CHECK_VASTATUS(va_status,"vaBeginPicture");
va_status = vaRenderPicture(va_dpy,
avcenc_context.context_id,
va_buffers,
num_va_buffers);
CHECK_VASTATUS(va_status,"vaRenderPicture");
for(i = 0; i < avcenc_context.num_slices; i++) {
va_status = vaRenderPicture(va_dpy,
avcenc_context.context_id,
&avcenc_context.slice_param_buf_id[i],
1);
CHECK_VASTATUS(va_status,"vaRenderPicture");
}
va_status = vaEndPicture(va_dpy, avcenc_context.context_id);
CHECK_VASTATUS(va_status,"vaEndPicture");
return 0;
}
static int avcenc_destroy_buffers(VABufferID *va_buffers, unsigned int num_va_buffers)
{
VAStatus va_status;
unsigned int i;
for (i = 0; i < num_va_buffers; i++) {
if (va_buffers[i] != VA_INVALID_ID) {
va_status = vaDestroyBuffer(va_dpy, va_buffers[i]);
CHECK_VASTATUS(va_status,"vaDestroyBuffer");
va_buffers[i] = VA_INVALID_ID;
}
}
return 0;
}
static void end_picture(int slice_type, int next_is_bpic)
{
VABufferID tempID;
/* Prepare for next picture */
tempID = surface_ids[SID_RECON_PICTURE];
if (slice_type != SLICE_TYPE_B) {
if (next_is_bpic) {
surface_ids[SID_RECON_PICTURE] = surface_ids[SID_REFERENCE_PICTURE_L1];
surface_ids[SID_REFERENCE_PICTURE_L1] = tempID;
} else {
surface_ids[SID_RECON_PICTURE] = surface_ids[SID_REFERENCE_PICTURE_L0];
surface_ids[SID_REFERENCE_PICTURE_L0] = tempID;
}
} else {
if (!next_is_bpic) {
surface_ids[SID_RECON_PICTURE] = surface_ids[SID_REFERENCE_PICTURE_L0];
surface_ids[SID_REFERENCE_PICTURE_L0] = surface_ids[SID_REFERENCE_PICTURE_L1];
surface_ids[SID_REFERENCE_PICTURE_L1] = tempID;
}
}
avcenc_destroy_buffers(&avcenc_context.seq_param_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.pic_param_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.packed_seq_header_param_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.packed_seq_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.packed_pic_header_param_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.packed_pic_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.packed_sei_header_param_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.packed_sei_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.slice_param_buf_id[0], avcenc_context.num_slices);
avcenc_destroy_buffers(&avcenc_context.codedbuf_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.misc_parameter_hrd_buf_id, 1);
memset(avcenc_context.slice_param, 0, sizeof(avcenc_context.slice_param));
avcenc_context.num_slices = 0;
}
#define BITSTREAM_ALLOCATE_STEPPING 4096
struct __bitstream {
unsigned int *buffer;
int bit_offset;
int max_size_in_dword;
};
typedef struct __bitstream bitstream;
#if 0
static int
get_coded_bitsteam_length(unsigned char *buffer, int buffer_length)
{
int i;
for (i = 0; i < buffer_length - 3; i++) {
if (!buffer[i] &&
!buffer[i + 1] &&
!buffer[i + 2] &&
!buffer[i + 3])
break;
}
return i;
}
#endif
static unsigned int
va_swap32(unsigned int val)
{
unsigned char *pval = (unsigned char *)&val;
return ((pval[0] << 24) |
(pval[1] << 16) |
(pval[2] << 8) |
(pval[3] << 0));
}
static void
bitstream_start(bitstream *bs)
{
bs->max_size_in_dword = BITSTREAM_ALLOCATE_STEPPING;
bs->buffer = calloc(bs->max_size_in_dword * sizeof(int), 1);
bs->bit_offset = 0;
}
static void
bitstream_end(bitstream *bs)
{
int pos = (bs->bit_offset >> 5);
int bit_offset = (bs->bit_offset & 0x1f);
int bit_left = 32 - bit_offset;
if (bit_offset) {
bs->buffer[pos] = va_swap32((bs->buffer[pos] << bit_left));
}
}
static void
bitstream_put_ui(bitstream *bs, unsigned int val, int size_in_bits)
{
int pos = (bs->bit_offset >> 5);
int bit_offset = (bs->bit_offset & 0x1f);
int bit_left = 32 - bit_offset;
if (!size_in_bits)
return;
bs->bit_offset += size_in_bits;
if (bit_left > size_in_bits) {
bs->buffer[pos] = (bs->buffer[pos] << size_in_bits | val);
} else {
size_in_bits -= bit_left;
bs->buffer[pos] = (bs->buffer[pos] << bit_left) | (val >> size_in_bits);
bs->buffer[pos] = va_swap32(bs->buffer[pos]);
if (pos + 1 == bs->max_size_in_dword) {
bs->max_size_in_dword += BITSTREAM_ALLOCATE_STEPPING;
bs->buffer = realloc(bs->buffer, bs->max_size_in_dword * sizeof(unsigned int));
}
bs->buffer[pos + 1] = val;
}
}
static void
bitstream_put_ue(bitstream *bs, unsigned int val)
{
int size_in_bits = 0;
int tmp_val = ++val;
while (tmp_val) {
tmp_val >>= 1;
size_in_bits++;
}
bitstream_put_ui(bs, 0, size_in_bits - 1); // leading zero
bitstream_put_ui(bs, val, size_in_bits);
}
static void
bitstream_put_se(bitstream *bs, int val)
{
unsigned int new_val;
if (val <= 0)
new_val = -2 * val;
else
new_val = 2 * val - 1;
bitstream_put_ue(bs, new_val);
}
static void
bitstream_byte_aligning(bitstream *bs, int bit)
{
int bit_offset = (bs->bit_offset & 0x7);
int bit_left = 8 - bit_offset;
int new_val;
if (!bit_offset)
return;
assert(bit == 0 || bit == 1);
if (bit)
new_val = (1 << bit_left) - 1;
else
new_val = 0;
bitstream_put_ui(bs, new_val, bit_left);
}
static void
rbsp_trailing_bits(bitstream *bs)
{
bitstream_put_ui(bs, 1, 1);
bitstream_byte_aligning(bs, 0);
}
static void nal_start_code_prefix(bitstream *bs)
{
bitstream_put_ui(bs, 0x00000001, 32);
}
static void nal_header(bitstream *bs, int nal_ref_idc, int nal_unit_type)
{
bitstream_put_ui(bs, 0, 1); /* forbidden_zero_bit: 0 */
bitstream_put_ui(bs, nal_ref_idc, 2);
bitstream_put_ui(bs, nal_unit_type, 5);
}
static void sps_rbsp(bitstream *bs)
{
VAEncSequenceParameterBufferH264 *seq_param = &avcenc_context.seq_param;
int profile_idc = PROFILE_IDC_BASELINE;
if (avcenc_context.profile == VAProfileH264High)
profile_idc = PROFILE_IDC_HIGH;
else if (avcenc_context.profile == VAProfileH264Main)
profile_idc = PROFILE_IDC_MAIN;
bitstream_put_ui(bs, profile_idc, 8); /* profile_idc */
bitstream_put_ui(bs, !!(avcenc_context.constraint_set_flag & 1), 1); /* constraint_set0_flag */
bitstream_put_ui(bs, !!(avcenc_context.constraint_set_flag & 2), 1); /* constraint_set1_flag */
bitstream_put_ui(bs, !!(avcenc_context.constraint_set_flag & 4), 1); /* constraint_set2_flag */
bitstream_put_ui(bs, !!(avcenc_context.constraint_set_flag & 8), 1); /* constraint_set3_flag */
bitstream_put_ui(bs, 0, 4); /* reserved_zero_4bits */
bitstream_put_ui(bs, seq_param->level_idc, 8); /* level_idc */
bitstream_put_ue(bs, seq_param->seq_parameter_set_id); /* seq_parameter_set_id */
if ( profile_idc == PROFILE_IDC_HIGH) {
bitstream_put_ue(bs, 1); /* chroma_format_idc = 1, 4:2:0 */
bitstream_put_ue(bs, 0); /* bit_depth_luma_minus8 */
bitstream_put_ue(bs, 0); /* bit_depth_chroma_minus8 */
bitstream_put_ui(bs, 0, 1); /* qpprime_y_zero_transform_bypass_flag */
bitstream_put_ui(bs, 0, 1); /* seq_scaling_matrix_present_flag */
}
bitstream_put_ue(bs, seq_param->seq_fields.bits.log2_max_frame_num_minus4); /* log2_max_frame_num_minus4 */
bitstream_put_ue(bs, seq_param->seq_fields.bits.pic_order_cnt_type); /* pic_order_cnt_type */
if (seq_param->seq_fields.bits.pic_order_cnt_type == 0)
bitstream_put_ue(bs, seq_param->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4); /* log2_max_pic_order_cnt_lsb_minus4 */
else {
assert(0);
}
bitstream_put_ue(bs, seq_param->max_num_ref_frames); /* num_ref_frames */
bitstream_put_ui(bs, 0, 1); /* gaps_in_frame_num_value_allowed_flag */
bitstream_put_ue(bs, seq_param->picture_width_in_mbs - 1); /* pic_width_in_mbs_minus1 */
bitstream_put_ue(bs, seq_param->picture_height_in_mbs - 1); /* pic_height_in_map_units_minus1 */
bitstream_put_ui(bs, seq_param->seq_fields.bits.frame_mbs_only_flag, 1); /* frame_mbs_only_flag */
if (!seq_param->seq_fields.bits.frame_mbs_only_flag) {
assert(0);
}
bitstream_put_ui(bs, seq_param->seq_fields.bits.direct_8x8_inference_flag, 1); /* direct_8x8_inference_flag */
bitstream_put_ui(bs, seq_param->frame_cropping_flag, 1); /* frame_cropping_flag */
if (seq_param->frame_cropping_flag) {
bitstream_put_ue(bs, seq_param->frame_crop_left_offset); /* frame_crop_left_offset */
bitstream_put_ue(bs, seq_param->frame_crop_right_offset); /* frame_crop_right_offset */
bitstream_put_ue(bs, seq_param->frame_crop_top_offset); /* frame_crop_top_offset */
bitstream_put_ue(bs, seq_param->frame_crop_bottom_offset); /* frame_crop_bottom_offset */
}
if ( frame_bit_rate < 0 ) {
bitstream_put_ui(bs, 0, 1); /* vui_parameters_present_flag */
} else {
bitstream_put_ui(bs, 1, 1); /* vui_parameters_present_flag */
bitstream_put_ui(bs, 0, 1); /* aspect_ratio_info_present_flag */
bitstream_put_ui(bs, 0, 1); /* overscan_info_present_flag */
bitstream_put_ui(bs, 0, 1); /* video_signal_type_present_flag */
bitstream_put_ui(bs, 0, 1); /* chroma_loc_info_present_flag */
bitstream_put_ui(bs, 1, 1); /* timing_info_present_flag */
{
bitstream_put_ui(bs, 15, 32);
bitstream_put_ui(bs, 900, 32);
bitstream_put_ui(bs, 1, 1);
}
bitstream_put_ui(bs, 1, 1); /* nal_hrd_parameters_present_flag */
{
// hrd_parameters
bitstream_put_ue(bs, 0); /* cpb_cnt_minus1 */
bitstream_put_ui(bs, 4, 4); /* bit_rate_scale */
bitstream_put_ui(bs, 6, 4); /* cpb_size_scale */
bitstream_put_ue(bs, frame_bit_rate - 1); /* bit_rate_value_minus1[0] */
bitstream_put_ue(bs, frame_bit_rate*8 - 1); /* cpb_size_value_minus1[0] */
bitstream_put_ui(bs, 1, 1); /* cbr_flag[0] */
bitstream_put_ui(bs, 23, 5); /* initial_cpb_removal_delay_length_minus1 */
bitstream_put_ui(bs, 23, 5); /* cpb_removal_delay_length_minus1 */
bitstream_put_ui(bs, 23, 5); /* dpb_output_delay_length_minus1 */
bitstream_put_ui(bs, 23, 5); /* time_offset_length */
}
bitstream_put_ui(bs, 0, 1); /* vcl_hrd_parameters_present_flag */
bitstream_put_ui(bs, 0, 1); /* low_delay_hrd_flag */
bitstream_put_ui(bs, 0, 1); /* pic_struct_present_flag */
bitstream_put_ui(bs, 0, 1); /* bitstream_restriction_flag */
}
rbsp_trailing_bits(bs); /* rbsp_trailing_bits */
}
#if 0
static void build_nal_sps(FILE *avc_fp)
{
bitstream bs;
bitstream_start(&bs);
nal_start_code_prefix(&bs);
nal_header(&bs, NAL_REF_IDC_HIGH, NAL_SPS);
sps_rbsp(&bs);
bitstream_end(&bs, avc_fp);
}
#endif
static void pps_rbsp(bitstream *bs)
{
VAEncPictureParameterBufferH264 *pic_param = &avcenc_context.pic_param;
bitstream_put_ue(bs, pic_param->pic_parameter_set_id); /* pic_parameter_set_id */
bitstream_put_ue(bs, pic_param->seq_parameter_set_id); /* seq_parameter_set_id */
bitstream_put_ui(bs, pic_param->pic_fields.bits.entropy_coding_mode_flag, 1); /* entropy_coding_mode_flag */
bitstream_put_ui(bs, 0, 1); /* pic_order_present_flag: 0 */
bitstream_put_ue(bs, 0); /* num_slice_groups_minus1 */
bitstream_put_ue(bs, pic_param->num_ref_idx_l0_active_minus1); /* num_ref_idx_l0_active_minus1 */
bitstream_put_ue(bs, pic_param->num_ref_idx_l1_active_minus1); /* num_ref_idx_l1_active_minus1 1 */
bitstream_put_ui(bs, pic_param->pic_fields.bits.weighted_pred_flag, 1); /* weighted_pred_flag: 0 */
bitstream_put_ui(bs, pic_param->pic_fields.bits.weighted_bipred_idc, 2); /* weighted_bipred_idc: 0 */
bitstream_put_se(bs, pic_param->pic_init_qp - 26); /* pic_init_qp_minus26 */
bitstream_put_se(bs, 0); /* pic_init_qs_minus26 */
bitstream_put_se(bs, 0); /* chroma_qp_index_offset */
bitstream_put_ui(bs, pic_param->pic_fields.bits.deblocking_filter_control_present_flag, 1); /* deblocking_filter_control_present_flag */
bitstream_put_ui(bs, 0, 1); /* constrained_intra_pred_flag */
bitstream_put_ui(bs, 0, 1); /* redundant_pic_cnt_present_flag */
/* more_rbsp_data */
bitstream_put_ui(bs, pic_param->pic_fields.bits.transform_8x8_mode_flag, 1); /*transform_8x8_mode_flag */
bitstream_put_ui(bs, 0, 1); /* pic_scaling_matrix_present_flag */
bitstream_put_se(bs, pic_param->second_chroma_qp_index_offset ); /*second_chroma_qp_index_offset */
rbsp_trailing_bits(bs);
}
#if 0
static void build_nal_pps(FILE *avc_fp)
{
bitstream bs;
bitstream_start(&bs);
nal_start_code_prefix(&bs);
nal_header(&bs, NAL_REF_IDC_HIGH, NAL_PPS);
pps_rbsp(&bs);
bitstream_end(&bs, avc_fp);
}
static void
build_header(FILE *avc_fp)
{
build_nal_sps(avc_fp);
build_nal_pps(avc_fp);
}
#endif
static int
build_packed_pic_buffer(unsigned char **header_buffer)
{
bitstream bs;
bitstream_start(&bs);
nal_start_code_prefix(&bs);
nal_header(&bs, NAL_REF_IDC_HIGH, NAL_PPS);
pps_rbsp(&bs);
bitstream_end(&bs);
*header_buffer = (unsigned char *)bs.buffer;
return bs.bit_offset;
}
static int
build_packed_seq_buffer(unsigned char **header_buffer)
{
bitstream bs;
bitstream_start(&bs);
nal_start_code_prefix(&bs);
nal_header(&bs, NAL_REF_IDC_HIGH, NAL_SPS);
sps_rbsp(&bs);
bitstream_end(&bs);
*header_buffer = (unsigned char *)bs.buffer;
return bs.bit_offset;
}
static int
build_packed_sei_buffer_timing(unsigned int init_cpb_removal_length,
unsigned int init_cpb_removal_delay,
unsigned int init_cpb_removal_delay_offset,
unsigned int cpb_removal_length,
unsigned int cpb_removal_delay,
unsigned int dpb_output_length,
unsigned int dpb_output_delay,
unsigned char **sei_buffer)
{
unsigned char *byte_buf;
int bp_byte_size, i, pic_byte_size;
bitstream nal_bs;
bitstream sei_bp_bs, sei_pic_bs;
bitstream_start(&sei_bp_bs);
bitstream_put_ue(&sei_bp_bs, 0); /*seq_parameter_set_id*/
bitstream_put_ui(&sei_bp_bs, init_cpb_removal_delay, cpb_removal_length);
bitstream_put_ui(&sei_bp_bs, init_cpb_removal_delay_offset, cpb_removal_length);
if ( sei_bp_bs.bit_offset & 0x7) {
bitstream_put_ui(&sei_bp_bs, 1, 1);
}
bitstream_end(&sei_bp_bs);
bp_byte_size = (sei_bp_bs.bit_offset + 7) / 8;
bitstream_start(&sei_pic_bs);
bitstream_put_ui(&sei_pic_bs, cpb_removal_delay, cpb_removal_length);
bitstream_put_ui(&sei_pic_bs, dpb_output_delay, dpb_output_length);
if ( sei_pic_bs.bit_offset & 0x7) {
bitstream_put_ui(&sei_pic_bs, 1, 1);
}
bitstream_end(&sei_pic_bs);
pic_byte_size = (sei_pic_bs.bit_offset + 7) / 8;
bitstream_start(&nal_bs);
nal_start_code_prefix(&nal_bs);
nal_header(&nal_bs, NAL_REF_IDC_NONE, NAL_SEI);
/* Write the SEI buffer period data */
bitstream_put_ui(&nal_bs, 0, 8);
bitstream_put_ui(&nal_bs, bp_byte_size, 8);
byte_buf = (unsigned char *)sei_bp_bs.buffer;
for(i = 0; i < bp_byte_size; i++) {
bitstream_put_ui(&nal_bs, byte_buf[i], 8);
}
free(byte_buf);
/* write the SEI timing data */
bitstream_put_ui(&nal_bs, 0x01, 8);
bitstream_put_ui(&nal_bs, pic_byte_size, 8);
byte_buf = (unsigned char *)sei_pic_bs.buffer;
for(i = 0; i < pic_byte_size; i++) {
bitstream_put_ui(&nal_bs, byte_buf[i], 8);
}
free(byte_buf);
rbsp_trailing_bits(&nal_bs);
bitstream_end(&nal_bs);
*sei_buffer = (unsigned char *)nal_bs.buffer;
return nal_bs.bit_offset;
}
#if 0
static void
slice_header(bitstream *bs, int frame_num, int display_frame, int slice_type, int nal_ref_idc, int is_idr)
{
VAEncSequenceParameterBufferH264 *seq_param = &avcenc_context.seq_param;
VAEncPictureParameterBufferH264 *pic_param = &avcenc_context.pic_param;
int is_cabac = (pic_param->pic_fields.bits.entropy_coding_mode_flag == ENTROPY_MODE_CABAC);
bitstream_put_ue(bs, 0); /* first_mb_in_slice: 0 */
bitstream_put_ue(bs, slice_type); /* slice_type */
bitstream_put_ue(bs, 0); /* pic_parameter_set_id: 0 */
bitstream_put_ui(bs, frame_num & 0x0F, seq_param->seq_fields.bits.log2_max_frame_num_minus4 + 4); /* frame_num */
/* frame_mbs_only_flag == 1 */
if (!seq_param->seq_fields.bits.frame_mbs_only_flag) {
/* FIXME: */
assert(0);
}
if (is_idr)
bitstream_put_ue(bs, 0); /* idr_pic_id: 0 */
if (seq_param->seq_fields.bits.pic_order_cnt_type == 0) {
bitstream_put_ui(bs, (display_frame*2) & 0x3F, seq_param->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 + 4);
/* only support frame */
} else {
/* FIXME: */
assert(0);
}
/* redundant_pic_cnt_present_flag == 0 */
/* slice type */
if (slice_type == SLICE_TYPE_P) {
bitstream_put_ui(bs, 0, 1); /* num_ref_idx_active_override_flag: 0 */
/* ref_pic_list_reordering */
bitstream_put_ui(bs, 0, 1); /* ref_pic_list_reordering_flag_l0: 0 */
} else if (slice_type == SLICE_TYPE_B) {
bitstream_put_ui(bs, 1, 1); /* direct_spatial_mv_pred: 1 */
bitstream_put_ui(bs, 0, 1); /* num_ref_idx_active_override_flag: 0 */
/* ref_pic_list_reordering */
bitstream_put_ui(bs, 0, 1); /* ref_pic_list_reordering_flag_l0: 0 */
bitstream_put_ui(bs, 0, 1); /* ref_pic_list_reordering_flag_l1: 0 */
}
/* weighted_pred_flag == 0 */
/* dec_ref_pic_marking */
if (nal_ref_idc != 0) {
if ( is_idr) {
bitstream_put_ui(bs, 0, 1); /* no_output_of_prior_pics_flag: 0 */
bitstream_put_ui(bs, 0, 1); /* long_term_reference_flag: 0 */
} else {
bitstream_put_ui(bs, 0, 1); /* adaptive_ref_pic_marking_mode_flag: 0 */
}
}
if (is_cabac && (slice_type != SLICE_TYPE_I))
bitstream_put_ue(bs, 0); /* cabac_init_idc: 0 */
bitstream_put_se(bs, 0); /* slice_qp_delta: 0 */
if (pic_param->pic_fields.bits.deblocking_filter_control_present_flag == 1) {
bitstream_put_ue(bs, 0); /* disable_deblocking_filter_idc: 0 */
bitstream_put_se(bs, 2); /* slice_alpha_c0_offset_div2: 2 */
bitstream_put_se(bs, 2); /* slice_beta_offset_div2: 2 */
}
}
static void
slice_data(bitstream *bs)
{
VACodedBufferSegment *coded_buffer_segment;
unsigned char *coded_mem;
int i, slice_data_length;
VAStatus va_status;
VASurfaceStatus surface_status;
va_status = vaSyncSurface(va_dpy, surface_ids[avcenc_context.current_input_surface]);
CHECK_VASTATUS(va_status,"vaSyncSurface");
surface_status = 0;
va_status = vaQuerySurfaceStatus(va_dpy, surface_ids[avcenc_context.current_input_surface], &surface_status);
CHECK_VASTATUS(va_status,"vaQuerySurfaceStatus");
va_status = vaMapBuffer(va_dpy, avcenc_context.codedbuf_buf_id, (void **)(&coded_buffer_segment));
CHECK_VASTATUS(va_status,"vaMapBuffer");
coded_mem = coded_buffer_segment->buf;
slice_data_length = get_coded_bitsteam_length(coded_mem, codedbuf_size);
for (i = 0; i < slice_data_length; i++) {
bitstream_put_ui(bs, *coded_mem, 8);
coded_mem++;
}
vaUnmapBuffer(va_dpy, avcenc_context.codedbuf_buf_id);
}
static void
build_nal_slice(FILE *avc_fp, int frame_num, int display_frame, int slice_type, int is_idr)
{
bitstream bs;
bitstream_start(&bs);
slice_data(&bs);
bitstream_end(&bs, avc_fp);
}
#endif
static int
store_coded_buffer(FILE *avc_fp, int slice_type)
{
VACodedBufferSegment *coded_buffer_segment;
unsigned char *coded_mem;
int slice_data_length;
VAStatus va_status;
VASurfaceStatus surface_status;
size_t w_items;
va_status = vaSyncSurface(va_dpy, surface_ids[avcenc_context.current_input_surface]);
CHECK_VASTATUS(va_status,"vaSyncSurface");
surface_status = 0;
va_status = vaQuerySurfaceStatus(va_dpy, surface_ids[avcenc_context.current_input_surface], &surface_status);
CHECK_VASTATUS(va_status,"vaQuerySurfaceStatus");
va_status = vaMapBuffer(va_dpy, avcenc_context.codedbuf_buf_id, (void **)(&coded_buffer_segment));
CHECK_VASTATUS(va_status,"vaMapBuffer");
coded_mem = coded_buffer_segment->buf;
if (coded_buffer_segment->status & VA_CODED_BUF_STATUS_SLICE_OVERFLOW_MASK) {
if (slice_type == SLICE_TYPE_I)
avcenc_context.codedbuf_i_size *= 2;
else
avcenc_context.codedbuf_pb_size *= 2;
vaUnmapBuffer(va_dpy, avcenc_context.codedbuf_buf_id);
return -1;
}
slice_data_length = coded_buffer_segment->size;
do {
w_items = fwrite(coded_mem, slice_data_length, 1, avc_fp);
} while (w_items != 1);
if (slice_type == SLICE_TYPE_I) {
if (avcenc_context.codedbuf_i_size > slice_data_length * 3 / 2) {
avcenc_context.codedbuf_i_size = slice_data_length * 3 / 2;
}
if (avcenc_context.codedbuf_pb_size < slice_data_length) {
avcenc_context.codedbuf_pb_size = slice_data_length;
}
} else {
if (avcenc_context.codedbuf_pb_size > slice_data_length * 3 / 2) {
avcenc_context.codedbuf_pb_size = slice_data_length * 3 / 2;
}
}
vaUnmapBuffer(va_dpy, avcenc_context.codedbuf_buf_id);
return 0;
}
static void
encode_picture(FILE *yuv_fp, FILE *avc_fp,
int frame_num, int display_num,
int is_idr,
int slice_type, int next_is_bpic,
int next_display_num)
{
VAStatus va_status;
int ret = 0, codedbuf_size;
begin_picture(yuv_fp, frame_num, display_num, slice_type, is_idr);
//if (next_display_num < frame_number) {
if (1) {
int index;
/* prepare for next frame */
if (avcenc_context.current_input_surface == SID_INPUT_PICTURE_0)
index = SID_INPUT_PICTURE_1;
else
index = SID_INPUT_PICTURE_0;
if ( next_display_num >= frame_number )
next_display_num = frame_number - 1;
fseeko(yuv_fp, (off_t)frame_size * next_display_num, SEEK_SET);
avcenc_context.upload_thread_param.yuv_fp = yuv_fp;
avcenc_context.upload_thread_param.surface_id = surface_ids[index];
avcenc_context.upload_thread_value = pthread_create(&avcenc_context.upload_thread_id,
NULL,
upload_thread_function,
(void*)&avcenc_context.upload_thread_param);
}
do {
avcenc_destroy_buffers(&avcenc_context.codedbuf_buf_id, 1);
avcenc_destroy_buffers(&avcenc_context.pic_param_buf_id, 1);
if (SLICE_TYPE_I == slice_type) {
codedbuf_size = avcenc_context.codedbuf_i_size;
} else {
codedbuf_size = avcenc_context.codedbuf_pb_size;
}
/* coded buffer */
va_status = vaCreateBuffer(va_dpy,
avcenc_context.context_id,
VAEncCodedBufferType,
codedbuf_size, 1, NULL,
&avcenc_context.codedbuf_buf_id);
CHECK_VASTATUS(va_status,"vaCreateBuffer");
/* picture parameter set */
avcenc_update_picture_parameter(slice_type, frame_num, display_num, is_idr);
if (avcenc_context.rate_control_method == VA_RC_CBR)
avcenc_update_sei_param(frame_num);
avcenc_render_picture();
ret = store_coded_buffer(avc_fp, slice_type);
} while (ret);
end_picture(slice_type, next_is_bpic);
}
static void encode_pb_pictures(FILE *yuv_fp, FILE *avc_fp, int f, int nbframes, int next_f)
{
int i;
encode_picture(yuv_fp, avc_fp,
enc_frame_number, f + nbframes,
0,
SLICE_TYPE_P, 1, f);
for( i = 0; i < nbframes - 1; i++) {
encode_picture(yuv_fp, avc_fp,
enc_frame_number + 1, f + i,
0,
SLICE_TYPE_B, 1, f + i + 1);
}
encode_picture(yuv_fp, avc_fp,
enc_frame_number + 1, f + nbframes - 1,
0,
SLICE_TYPE_B, 0, next_f);
}
static void show_help()
{
printf("Usage: avnenc <width> <height> <input_yuvfile> <output_avcfile> [qp=qpvalue|fb=framebitrate] [mode=0(I frames only)/1(I and P frames)/2(I, P and B frames)\n");
}
static void avcenc_context_seq_param_init(VAEncSequenceParameterBufferH264 *seq_param,
int width, int height)
{
int width_in_mbs = (width + 15) / 16;
int height_in_mbs = (height + 15) / 16;
int frame_cropping_flag = 0;
int frame_crop_bottom_offset = 0;
seq_param->seq_parameter_set_id = 0;
seq_param->level_idc = 41;
seq_param->intra_period = intra_period;
seq_param->ip_period = 0; /* FIXME: ??? */
seq_param->max_num_ref_frames = 4;
seq_param->picture_width_in_mbs = width_in_mbs;
seq_param->picture_height_in_mbs = height_in_mbs;
seq_param->seq_fields.bits.frame_mbs_only_flag = 1;
if (frame_bit_rate > 0)
seq_param->bits_per_second = 1024 * frame_bit_rate; /* use kbps as input */
else
seq_param->bits_per_second = 0;
seq_param->time_scale = 900;
seq_param->num_units_in_tick = 15; /* Tc = num_units_in_tick / time_sacle */
if (height_in_mbs * 16 - height) {
frame_cropping_flag = 1;
frame_crop_bottom_offset =
(height_in_mbs * 16 - height) / (2 * (!seq_param->seq_fields.bits.frame_mbs_only_flag + 1));
}
seq_param->frame_cropping_flag = frame_cropping_flag;
seq_param->frame_crop_left_offset = 0;
seq_param->frame_crop_right_offset = 0;
seq_param->frame_crop_top_offset = 0;
seq_param->frame_crop_bottom_offset = frame_crop_bottom_offset;
seq_param->seq_fields.bits.pic_order_cnt_type = 0;
seq_param->seq_fields.bits.direct_8x8_inference_flag = 0;
seq_param->seq_fields.bits.log2_max_frame_num_minus4 = 0;
seq_param->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 = 2;
if (frame_bit_rate > 0)
seq_param->vui_parameters_present_flag = 1; //HRD info located in vui
else
seq_param->vui_parameters_present_flag = 0;
}
static void avcenc_context_pic_param_init(VAEncPictureParameterBufferH264 *pic_param)
{
pic_param->seq_parameter_set_id = 0;
pic_param->pic_parameter_set_id = 0;
pic_param->last_picture = 0;
pic_param->frame_num = 0;
pic_param->pic_init_qp = (qp_value >= 0 ? qp_value : 26);
pic_param->num_ref_idx_l0_active_minus1 = 0;
pic_param->num_ref_idx_l1_active_minus1 = 0;
pic_param->pic_fields.bits.idr_pic_flag = 0;
pic_param->pic_fields.bits.reference_pic_flag = 0;
pic_param->pic_fields.bits.entropy_coding_mode_flag = ENTROPY_MODE_CABAC;
pic_param->pic_fields.bits.weighted_pred_flag = 0;
pic_param->pic_fields.bits.weighted_bipred_idc = 0;
if (avcenc_context.constraint_set_flag & 0x7)
pic_param->pic_fields.bits.transform_8x8_mode_flag = 0;
else
pic_param->pic_fields.bits.transform_8x8_mode_flag = 1;
pic_param->pic_fields.bits.deblocking_filter_control_present_flag = 1;
}
static void avcenc_context_sei_init()
{
int init_cpb_size;
int target_bit_rate;
/* it comes for the bps defined in SPS */
target_bit_rate = avcenc_context.seq_param.bits_per_second;
init_cpb_size = (target_bit_rate * 8) >> 10;
avcenc_context.i_initial_cpb_removal_delay = init_cpb_size * 0.5 * 1024 / target_bit_rate * 90000;
avcenc_context.i_cpb_removal_delay = 2;
avcenc_context.i_initial_cpb_removal_delay_length = 24;
avcenc_context.i_cpb_removal_delay_length = 24;
avcenc_context.i_dpb_output_delay_length = 24;
}
static void avcenc_context_init(int width, int height)
{
int i;
memset(&avcenc_context, 0, sizeof(avcenc_context));
avcenc_context.profile = VAProfileH264Main;
switch (avcenc_context.profile) {
case VAProfileH264Baseline:
avcenc_context.constraint_set_flag |= (1 << 0); /* Annex A.2.1 */
break;
case VAProfileH264Main:
avcenc_context.constraint_set_flag |= (1 << 1); /* Annex A.2.2 */
break;
case VAProfileH264High:
avcenc_context.constraint_set_flag |= (1 << 3); /* Annex A.2.4 */
break;
default:
break;
}
avcenc_context.seq_param_buf_id = VA_INVALID_ID;
avcenc_context.pic_param_buf_id = VA_INVALID_ID;
avcenc_context.packed_seq_header_param_buf_id = VA_INVALID_ID;
avcenc_context.packed_seq_buf_id = VA_INVALID_ID;
avcenc_context.packed_pic_header_param_buf_id = VA_INVALID_ID;
avcenc_context.packed_pic_buf_id = VA_INVALID_ID;
avcenc_context.codedbuf_buf_id = VA_INVALID_ID;
avcenc_context.misc_parameter_hrd_buf_id = VA_INVALID_ID;
avcenc_context.codedbuf_i_size = width * height;
avcenc_context.codedbuf_pb_size = 0;
avcenc_context.current_input_surface = SID_INPUT_PICTURE_0;
avcenc_context.upload_thread_value = -1;
avcenc_context.packed_sei_header_param_buf_id = VA_INVALID_ID;
avcenc_context.packed_sei_buf_id = VA_INVALID_ID;
if (qp_value == -1)
avcenc_context.rate_control_method = VA_RC_CBR;
else if (qp_value == -2)
avcenc_context.rate_control_method = VA_RC_VBR;
else {
assert(qp_value >= 0 && qp_value <= 51);
avcenc_context.rate_control_method = VA_RC_CQP;
}
for (i = 0; i < MAX_SLICES; i++) {
avcenc_context.slice_param_buf_id[i] = VA_INVALID_ID;
}
avcenc_context_seq_param_init(&avcenc_context.seq_param, width, height);
avcenc_context_pic_param_init(&avcenc_context.pic_param);
if (avcenc_context.rate_control_method == VA_RC_CBR)
avcenc_context_sei_init();
}
int main(int argc, char *argv[])
{
int f;
FILE *yuv_fp;
FILE *avc_fp;
off_t file_size;
int i_frame_only=0,i_p_frame_only=1;
int mode_value;
struct timeval tpstart,tpend;
float timeuse;
va_init_display_args(&argc, argv);
//TODO may be we should using option analytics library
if(argc != 5 && argc != 6 && argc != 7) {
show_help();
return -1;
}
picture_width = atoi(argv[1]);
picture_height = atoi(argv[2]);
picture_width_in_mbs = (picture_width + 15) / 16;
picture_height_in_mbs = (picture_height + 15) / 16;
if (argc == 6 || argc == 7) {
qp_value = -1;
sscanf(argv[5], "qp=%d", &qp_value);
if ( qp_value == -1 ) {
frame_bit_rate = -1;
sscanf(argv[5], "fb=%d", &frame_bit_rate);
if ( frame_bit_rate == -1 ) {
show_help();
return -1;
}
} else if (qp_value > 51) {
qp_value = 51;
} else if (qp_value < 0) {
qp_value = 0;
}
} else
qp_value = 28; //default const QP mode
if (argc == 7) {
sscanf(argv[6], "mode=%d", &mode_value);
if ( mode_value == 0 ) {
i_frame_only = 1;
i_p_frame_only = 0;
}
else if ( mode_value == 1) {
i_frame_only = 0;
i_p_frame_only = 1;
}
else if ( mode_value == 2 ) {
i_frame_only = 0;
i_p_frame_only = 0;
}
else {
printf("mode_value=%d\n",mode_value);
show_help();
return -1;
}
}
yuv_fp = fopen(argv[3],"rb");
if ( yuv_fp == NULL){
printf("Can't open input YUV file\n");
return -1;
}
fseeko(yuv_fp, (off_t)0, SEEK_END);
file_size = ftello(yuv_fp);
frame_size = picture_width * picture_height + ((picture_width * picture_height) >> 1) ;
if ( (file_size < frame_size) || (file_size % frame_size) ) {
fclose(yuv_fp);
printf("The YUV file's size is not correct\n");
return -1;
}
frame_number = file_size / frame_size;
fseeko(yuv_fp, (off_t)0, SEEK_SET);
avc_fp = fopen(argv[4], "wb");
if ( avc_fp == NULL) {
fclose(yuv_fp);
printf("Can't open output avc file\n");
return -1;
}
gettimeofday(&tpstart,NULL);
avcenc_context_init(picture_width, picture_height);
create_encode_pipe();
alloc_encode_resource(yuv_fp);
enc_frame_number = 0;
for ( f = 0; f < frame_number; ) { //picture level loop
static int const frame_type_pattern[][2] = { {SLICE_TYPE_I,1},
{SLICE_TYPE_P,3}, {SLICE_TYPE_P,3},{SLICE_TYPE_P,3},
{SLICE_TYPE_P,3}, {SLICE_TYPE_P,3},{SLICE_TYPE_P,3},
{SLICE_TYPE_P,3}, {SLICE_TYPE_P,3},{SLICE_TYPE_P,3},
{SLICE_TYPE_P,2} };
if ( i_frame_only ) {
encode_picture(yuv_fp, avc_fp,enc_frame_number, f, f==0, SLICE_TYPE_I, 0, f+1);
f++;
enc_frame_number++;
} else if ( i_p_frame_only ) {
if ( (f % intra_period) == 0 ) {
encode_picture(yuv_fp, avc_fp,enc_frame_number, f, f==0, SLICE_TYPE_I, 0, f+1);
f++;
enc_frame_number++;
} else {
encode_picture(yuv_fp, avc_fp,enc_frame_number, f, f==0, SLICE_TYPE_P, 0, f+1);
f++;
enc_frame_number++;
}
} else { // follow the i,p,b pattern
static int fcurrent = 0;
int fnext;
fcurrent = fcurrent % (sizeof(frame_type_pattern)/sizeof(int[2]));
fnext = (fcurrent+1) % (sizeof(frame_type_pattern)/sizeof(int[2]));
if ( frame_type_pattern[fcurrent][0] == SLICE_TYPE_I ) {
encode_picture(yuv_fp, avc_fp,enc_frame_number, f, f==0, SLICE_TYPE_I, 0,
f+frame_type_pattern[fnext][1]);
f++;
enc_frame_number++;
} else {
encode_pb_pictures(yuv_fp, avc_fp, f, frame_type_pattern[fcurrent][1]-1,
f + frame_type_pattern[fcurrent][1] + frame_type_pattern[fnext][1] -1 );
f += frame_type_pattern[fcurrent][1];
enc_frame_number++;
}
fcurrent++;
}
printf("\r %d/%d ...", f+1, frame_number);
fflush(stdout);
}
gettimeofday(&tpend,NULL);
timeuse=1000000*(tpend.tv_sec-tpstart.tv_sec)+ tpend.tv_usec-tpstart.tv_usec;
timeuse/=1000000;
printf("\ndone!\n");
printf("encode %d frames in %f secondes, FPS is %.1f\n",frame_number, timeuse, frame_number/timeuse);
release_encode_resource();
destory_encode_pipe();
fclose(yuv_fp);
fclose(avc_fp);
return 0;
}