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kolibrios/contrib/sdk/sources/vaapi/libva-1.4.1/test/encode/avcenc.c

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sdk: build libva git-svn-id: svn://kolibrios.org@5362 a494cfbc-eb01-0410-851d-a64ba20cac60
2015-01-07 22:25:58 +01:00
/*
* 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 FRAME_IDR 7
#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 frame_bit_rate = -1;
static int frame_rate = 30;
static int ip_period = 1;
#define MAX_SLICES 32
static unsigned int MaxFrameNum = (1<<12);
static unsigned int MaxPicOrderCntLsb = (1<<8);
static unsigned int Log2MaxFrameNum = 12;
static unsigned int Log2MaxPicOrderCntLsb = 8;
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_pic_timing(unsigned int cpb_removal_length,
unsigned int dpb_output_length,
unsigned char **sei_buffer);
static int
build_packed_idr_sei_buffer_timing(unsigned int init_cpb_removal_delay_length,
unsigned int cpb_removal_length,
unsigned int dpb_output_length,
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_offset;
int i_initial_cpb_removal_delay_length;
int i_cpb_removal_delay;
int i_cpb_removal_delay_length;
int i_dpb_output_delay_length;
int time_offset_length;
unsigned long long idr_frame_num;
unsigned long long prev_idr_cpb_removal;
unsigned long long current_idr_cpb_removal;
unsigned long long current_cpb_removal;
/* This is relative to the current_cpb_removal */
unsigned int current_dpb_removal_delta;
} 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
#define SURFACE_NUM 16 /* 16 surfaces for reference */
static VASurfaceID surface_ids[SID_NUMBER];
static VASurfaceID ref_surface[SURFACE_NUM];
static unsigned long long current_frame_display = 0;
static unsigned long long current_IDR_display = 0;
static VAPictureH264 CurrentCurrPic;
#define current_slot (current_frame_display % SURFACE_NUM)
static int frame_number;
static unsigned long long enc_frame_number;
static int current_frame_type;
static int current_frame_num;
static unsigned int current_poc;
static unsigned int num_ref_frames = 2;
static unsigned int numShortTerm = 0;
/***************************************************/
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, SID_NUMBER,
NULL, 0
);
CHECK_VASTATUS(va_status, "vaCreateSurfaces");
// Create surface
va_status = vaCreateSurfaces(
va_dpy,
VA_RT_FORMAT_YUV420, picture_width, picture_height,
ref_surface, SURFACE_NUM,
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, SID_NUMBER);
// Release all the reference surfaces
vaDestroySurfaces(va_dpy, ref_surface, SURFACE_NUM);
}
static void avcenc_update_sei_param(int is_idr)
{
VAEncPackedHeaderParameterBuffer packed_header_param_buffer;
unsigned int length_in_bits;
unsigned char *packed_sei_buffer = NULL;
VAStatus va_status;
if (is_idr)
length_in_bits = build_packed_idr_sei_buffer_timing(
avcenc_context.i_initial_cpb_removal_delay_length,
avcenc_context.i_cpb_removal_delay_length,
avcenc_context.i_dpb_output_delay_length,
&packed_sei_buffer);
else
length_in_bits = build_packed_sei_pic_timing(
avcenc_context.i_cpb_removal_delay_length,
avcenc_context.i_dpb_output_delay_length,
&packed_sei_buffer);
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;
}
#define partition(ref, field, key, ascending) \
while (i <= j) { \
if (ascending) { \
while (ref[i].field < key) \
i++; \
while (ref[j].field > key) \
j--; \
} else { \
while (ref[i].field > key) \
i++; \
while (ref[j].field < key) \
j--; \
} \
if (i <= j) { \
tmp = ref[i]; \
ref[i] = ref[j]; \
ref[j] = tmp; \
i++; \
j--; \
} \
} \
static void sort_one(VAPictureH264 ref[], int left, int right,
int ascending, int frame_idx)
{
int i = left, j = right;
unsigned int key;
VAPictureH264 tmp;
if (frame_idx) {
key = ref[(left + right) / 2].frame_idx;
partition(ref, frame_idx, key, ascending);
} else {
key = ref[(left + right) / 2].TopFieldOrderCnt;
partition(ref, TopFieldOrderCnt, (signed int)key, ascending);
}
/* recursion */
if (left < j)
sort_one(ref, left, j, ascending, frame_idx);
if (i < right)
sort_one(ref, i, right, ascending, frame_idx);
}
static void sort_two(VAPictureH264 ref[], int left, int right, unsigned int key, unsigned int frame_idx,
int partition_ascending, int list0_ascending, int list1_ascending)
{
int i = left, j = right;
VAPictureH264 tmp;
if (frame_idx) {
partition(ref, frame_idx, key, partition_ascending);
} else {
partition(ref, TopFieldOrderCnt, (signed int)key, partition_ascending);
}
sort_one(ref, left, i-1, list0_ascending, frame_idx);
sort_one(ref, j+1, right, list1_ascending, frame_idx);
}
static int update_RefPicList()
{
if (current_frame_type == SLICE_TYPE_P) {
memcpy(RefPicList0, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
sort_one(RefPicList0, 0, numShortTerm-1, 0, 1);
}
if (current_frame_type == SLICE_TYPE_B) {
memcpy(RefPicList0, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
sort_two(RefPicList0, 0, numShortTerm-1, current_poc, 0,
1, 0, 1);
memcpy(RefPicList1, ReferenceFrames, numShortTerm * sizeof(VAPictureH264));
sort_two(RefPicList1, 0, numShortTerm-1, current_poc, 0,
0, 1, 0);
}
return 0;
}
static int calc_poc(int pic_order_cnt_lsb)
{
static int PicOrderCntMsb_ref = 0, pic_order_cnt_lsb_ref = 0;
int prevPicOrderCntMsb, prevPicOrderCntLsb;
int PicOrderCntMsb, TopFieldOrderCnt;
if (current_frame_type == FRAME_IDR)
prevPicOrderCntMsb = prevPicOrderCntLsb = 0;
else {
prevPicOrderCntMsb = PicOrderCntMsb_ref;
prevPicOrderCntLsb = pic_order_cnt_lsb_ref;
}
if ((pic_order_cnt_lsb < prevPicOrderCntLsb) &&
((prevPicOrderCntLsb - pic_order_cnt_lsb) >= (int)(MaxPicOrderCntLsb / 2)))
PicOrderCntMsb = prevPicOrderCntMsb + MaxPicOrderCntLsb;
else if ((pic_order_cnt_lsb > prevPicOrderCntLsb) &&
((pic_order_cnt_lsb - prevPicOrderCntLsb) > (int)(MaxPicOrderCntLsb / 2)))
PicOrderCntMsb = prevPicOrderCntMsb - MaxPicOrderCntLsb;
else
PicOrderCntMsb = prevPicOrderCntMsb;
TopFieldOrderCnt = PicOrderCntMsb + pic_order_cnt_lsb;
if (current_frame_type != SLICE_TYPE_B) {
PicOrderCntMsb_ref = PicOrderCntMsb;
pic_order_cnt_lsb_ref = pic_order_cnt_lsb;
}
return TopFieldOrderCnt;
}
static void avcenc_update_picture_parameter(int slice_type, int is_idr)
{
VAEncPictureParameterBufferH264 *pic_param;
VAStatus va_status;
// Picture level
pic_param = &avcenc_context.pic_param;
pic_param->CurrPic.picture_id = ref_surface[current_slot];
pic_param->CurrPic.frame_idx = current_frame_num;
pic_param->CurrPic.flags = 0;
pic_param->CurrPic.TopFieldOrderCnt = current_poc;
pic_param->CurrPic.BottomFieldOrderCnt = pic_param->CurrPic.TopFieldOrderCnt;
assert(avcenc_context.codedbuf_buf_id != VA_INVALID_ID);
pic_param->coded_buf = avcenc_context.codedbuf_buf_id;
pic_param->frame_num = current_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);
CurrentCurrPic = pic_param->CurrPic;
if (slice_type == SLICE_TYPE_P || slice_type == SLICE_TYPE_B)
memset(pic_param->ReferenceFrames, 0xff, 16 * sizeof(VAPictureH264)); /* invalid all */
if ((slice_type == SLICE_TYPE_P) || (slice_type == SLICE_TYPE_B)) {
pic_param->ReferenceFrames[0] = RefPicList0[0];
}
if (slice_type == SLICE_TYPE_B) {
pic_param->ReferenceFrames[1] = RefPicList1[0];
}
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)) {
memset(slice_param->RefPicList0, 0xFF, 32 * sizeof(VAPictureH264));
slice_param->RefPicList0[0] = RefPicList0[0];
}
if ((slice_type == SLICE_TYPE_B)) {
memset(slice_param->RefPicList1, 0xFF, 32 * sizeof(VAPictureH264));
slice_param->RefPicList1[0] = RefPicList1[0];
}
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 update_ReferenceFrames(void)
{
int i;
/* B-frame is not used for reference */
if (current_frame_type == SLICE_TYPE_B)
return 0;
CurrentCurrPic.flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE;
numShortTerm++;
if (numShortTerm > num_ref_frames)
numShortTerm = num_ref_frames;
for (i=numShortTerm-1; i>0; i--)
ReferenceFrames[i] = ReferenceFrames[i-1];
ReferenceFrames[0] = CurrentCurrPic;
if (current_frame_type != SLICE_TYPE_B)
current_frame_num++;
if (current_frame_num > MaxFrameNum)
current_frame_num = 0;
return 0;
}
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 (is_idr) {
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 * 1000 * 4;
misc_hrd_param->buffer_size = frame_bit_rate * 1000 * 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);
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()
{
update_ReferenceFrames();
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, 1, 32);
bitstream_put_ui(bs, frame_rate * 2, 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, 0, 4); /* bit_rate_scale */
bitstream_put_ui(bs, 2, 4); /* cpb_size_scale */
/* the frame_bit_rate is in kbps */
bitstream_put_ue(bs, (((frame_bit_rate * 1000)>> 6) - 1)); /* bit_rate_value_minus1[0] */
bitstream_put_ue(bs, ((frame_bit_rate * 8000) >> 6) - 1); /* cpb_size_value_minus1[0] */
bitstream_put_ui(bs, 1, 1); /* cbr_flag[0] */
/* initial_cpb_removal_delay_length_minus1 */
bitstream_put_ui(bs,
(avcenc_context.i_initial_cpb_removal_delay_length - 1), 5);
/* cpb_removal_delay_length_minus1 */
bitstream_put_ui(bs,
(avcenc_context.i_cpb_removal_delay_length - 1), 5);
/* dpb_output_delay_length_minus1 */
bitstream_put_ui(bs,
(avcenc_context.i_dpb_output_delay_length - 1), 5);
/* time_offset_length */
bitstream_put_ui(bs,
(avcenc_context.time_offset_length - 1), 5);
}
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_idr_sei_buffer_timing(unsigned int init_cpb_removal_delay_length,
unsigned int cpb_removal_length,
unsigned int dpb_output_length,
unsigned char **sei_buffer)
{
unsigned char *byte_buf;
int bp_byte_size, i, pic_byte_size;
unsigned int cpb_removal_delay;
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*/
/* SEI buffer period info */
/* NALHrdBpPresentFlag == 1 */
bitstream_put_ui(&sei_bp_bs, avcenc_context.i_initial_cpb_removal_delay,
init_cpb_removal_delay_length);
bitstream_put_ui(&sei_bp_bs, avcenc_context.i_initial_cpb_removal_delay_offset,
init_cpb_removal_delay_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;
/* SEI pic timing info */
bitstream_start(&sei_pic_bs);
/* The info of CPB and DPB delay is controlled by CpbDpbDelaysPresentFlag,
* which is derived as 1 if one of the following conditions is true:
* nal_hrd_parameters_present_flag is present in the bitstream and is equal to 1,
* vcl_hrd_parameters_present_flag is present in the bitstream and is equal to 1,
*/
cpb_removal_delay = (avcenc_context.current_cpb_removal - avcenc_context.prev_idr_cpb_removal);
bitstream_put_ui(&sei_pic_bs, cpb_removal_delay, cpb_removal_length);
bitstream_put_ui(&sei_pic_bs, avcenc_context.current_dpb_removal_delta,
dpb_output_length);
if ( sei_pic_bs.bit_offset & 0x7) {
bitstream_put_ui(&sei_pic_bs, 1, 1);
}
/* The pic_structure_present_flag determines whether the pic_structure
* info is written into the SEI pic timing info.
* Currently it is set to zero.
*/
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 pic 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;
}
static int
build_packed_sei_pic_timing(unsigned int cpb_removal_length,
unsigned int dpb_output_length,
unsigned char **sei_buffer)
{
unsigned char *byte_buf;
int i, pic_byte_size;
unsigned int cpb_removal_delay;
bitstream nal_bs;
bitstream sei_pic_bs;
bitstream_start(&sei_pic_bs);
/* The info of CPB and DPB delay is controlled by CpbDpbDelaysPresentFlag,
* which is derived as 1 if one of the following conditions is true:
* nal_hrd_parameters_present_flag is present in the bitstream and is equal to 1,
* vcl_hrd_parameters_present_flag is present in the bitstream and is equal to 1,
*/
cpb_removal_delay = (avcenc_context.current_cpb_removal - avcenc_context.current_idr_cpb_removal);
bitstream_put_ui(&sei_pic_bs, cpb_removal_delay, cpb_removal_length);
bitstream_put_ui(&sei_pic_bs, avcenc_context.current_dpb_removal_delta,
dpb_output_length);
if ( sei_pic_bs.bit_offset & 0x7) {
bitstream_put_ui(&sei_pic_bs, 1, 1);
}
/* The pic_structure_present_flag determines whether the pic_structure
* info is written into the SEI pic timing info.
* Currently it is set to zero.
*/
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 Pic 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);
vaUnmapBuffer(va_dpy, avcenc_context.codedbuf_buf_id);
return 0;
}
/*
* It is from the h264encode.c but it simplifies something.
* For example: When one frame is encoded as I-frame under the scenario with
* P-B frames, it will be regarded as IDR frame(key-frame) and then new GOP is
* started. If the video clip is encoded as all I-frames, the first frame
* is regarded as IDR and the remaining is regarded as I-frame.
*
*/
static void encoding2display_order(
unsigned long long encoding_order,int gop_size,
int ip_period,
unsigned long long *displaying_order,
int *frame_type)
{
int encoding_order_gop = 0;
/* When ip_period is 0, all are I/IDR frames */
if (ip_period == 0) { /* all are I/IDR frames */
if (encoding_order == 0)
*frame_type = FRAME_IDR;
else
*frame_type = SLICE_TYPE_I;
*displaying_order = encoding_order;
return;
}
/* new sequence like
* IDR PPPPP IDRPPPPP
* IDR (PBB)(PBB)(PBB)(PBB) IDR (PBB)(PBB)(PBB)(PBB)
*/
encoding_order_gop = encoding_order % gop_size;
if (encoding_order_gop == 0) { /* the first frame */
*frame_type = FRAME_IDR;
*displaying_order = encoding_order;
} else {
int gop_delta;
gop_delta = 1;
if ((ip_period != 1) && ((gop_size - 1) % ip_period)) {
int ipb_size;
ipb_size = (gop_size - 1) / ip_period * ip_period + 1;
if (encoding_order_gop >= ipb_size) {
gop_delta = ipb_size;
ip_period = gop_size - ipb_size;
}
}
if (((encoding_order_gop - gop_delta) % ip_period) == 0) { /* P frames */
*frame_type = SLICE_TYPE_P;
*displaying_order = encoding_order + ip_period - 1;
} else {
*frame_type = SLICE_TYPE_B;
*displaying_order = encoding_order - 1;
}
}
}
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;
fseek(yuv_fp, 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");
/* Update the RefPicList */
update_RefPicList();
/* picture parameter set */
avcenc_update_picture_parameter(slice_type, is_idr);
/* slice parameter */
avcenc_update_slice_parameter(slice_type);
if (avcenc_context.rate_control_method == VA_RC_CBR)
avcenc_update_sei_param(is_idr);
avcenc_render_picture();
ret = store_coded_buffer(avc_fp, slice_type);
} while (ret);
end_picture(slice_type, next_is_bpic);
}
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->intra_idr_period = seq_param->intra_period;
seq_param->ip_period = ip_period;
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;
seq_param->seq_fields.bits.chroma_format_idc = 1;
if (frame_bit_rate > 0)
seq_param->bits_per_second = 1000 * frame_bit_rate; /* use kbps as input */
else
seq_param->bits_per_second = 0;
seq_param->time_scale = frame_rate * 2;
seq_param->num_units_in_tick = 1; /* 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 = Log2MaxFrameNum - 4;
seq_param->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 = Log2MaxPicOrderCntLsb - 4;
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;
memset(pic_param->ReferenceFrames, 0xff, 16 * sizeof(VAPictureH264)); /* invalid all */
}
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 = 2 * 90000;
avcenc_context.i_initial_cpb_removal_delay_offset = 2 * 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;
avcenc_context.time_offset_length = 24;
avcenc_context.prev_idr_cpb_removal = avcenc_context.i_initial_cpb_removal_delay / 90000;
avcenc_context.current_idr_cpb_removal = avcenc_context.prev_idr_cpb_removal;
avcenc_context.current_cpb_removal = 0;
avcenc_context.idr_frame_num = 0;
}
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 = width * height;
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 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 ) {
ip_period = 0;
}
else if ( mode_value == 1) {
ip_period = 1;
}
else if ( mode_value == 2 ) {
/* Hack mechanism before adding the parameter of B-frame number */
ip_period = 3;
}
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;
}
fseek(yuv_fp,0l, SEEK_END);
file_size = ftell(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;
fseek(yuv_fp, 0l, 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; f++) { //picture level loop
unsigned long long next_frame_display;
int next_frame_type;
enc_frame_number = f;
encoding2display_order(enc_frame_number, intra_period, ip_period,
&current_frame_display, &current_frame_type);
encoding2display_order(enc_frame_number + 1, intra_period, ip_period,
&next_frame_display, &next_frame_type);
if (current_frame_type == FRAME_IDR) {
numShortTerm = 0;
current_frame_num = 0;
current_IDR_display = current_frame_display;
if (avcenc_context.rate_control_method == VA_RC_CBR) {
unsigned long long frame_interval;
frame_interval = enc_frame_number - avcenc_context.idr_frame_num;
/* Based on the H264 spec the removal time of the IDR access
* unit is derived as the following:
* the removal time of previous IDR unit + Tc * cpb_removal_delay(n)
*/
avcenc_context.current_cpb_removal = avcenc_context.prev_idr_cpb_removal +
frame_interval * 2;
avcenc_context.idr_frame_num = enc_frame_number;
avcenc_context.current_idr_cpb_removal = avcenc_context.current_cpb_removal;
if (ip_period)
avcenc_context.current_dpb_removal_delta = (ip_period + 1) * 2;
else
avcenc_context.current_dpb_removal_delta = 2;
}
} else {
if (avcenc_context.rate_control_method == VA_RC_CBR) {
unsigned long long frame_interval;
frame_interval = enc_frame_number - avcenc_context.idr_frame_num;
/* Based on the H264 spec the removal time of the non-IDR access
* unit is derived as the following:
* the removal time of current IDR unit + Tc * cpb_removal_delay(n)
*/
avcenc_context.current_cpb_removal = avcenc_context.current_idr_cpb_removal +
frame_interval * 2;
if (current_frame_type == SLICE_TYPE_I ||
current_frame_type == SLICE_TYPE_P) {
if (ip_period)
avcenc_context.current_dpb_removal_delta = (ip_period + 1) * 2;
else
avcenc_context.current_dpb_removal_delta = 2;
} else
avcenc_context.current_dpb_removal_delta = 2;
}
}
/* use the simple mechanism to calc the POC */
current_poc = (current_frame_display - current_IDR_display) * 2;
encode_picture(yuv_fp, avc_fp, frame_number, current_frame_display,
(current_frame_type == FRAME_IDR) ? 1 : 0,
(current_frame_type == FRAME_IDR) ? SLICE_TYPE_I : current_frame_type,
(next_frame_type == SLICE_TYPE_B) ? 1 : 0,
next_frame_display);
if ((current_frame_type == FRAME_IDR) &&
(avcenc_context.rate_control_method == VA_RC_CBR)) {
/* after one IDR frame is written, it needs to update the
* prev_idr_cpb_removal for next IDR
*/
avcenc_context.prev_idr_cpb_removal = avcenc_context.current_idr_cpb_removal;
}
printf("\r %d/%d ...", f, 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;
}
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