1547 lines
50 KiB
C
1547 lines
50 KiB
C
/*
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* Copyright (c) 2012 Intel Corporation. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Simple MPEG-2 encoder based on libVA.
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*
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*/
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#include "sysdeps.h"
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#include <getopt.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <time.h>
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#include <pthread.h>
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#include <va/va.h>
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#include <va/va_enc_mpeg2.h>
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#include "va_display.h"
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#define START_CODE_PICUTRE 0x00000100
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#define START_CODE_SLICE 0x00000101
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#define START_CODE_USER 0x000001B2
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#define START_CODE_SEQ 0x000001B3
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#define START_CODE_EXT 0x000001B5
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#define START_CODE_GOP 0x000001B8
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#define CHROMA_FORMAT_RESERVED 0
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#define CHROMA_FORMAT_420 1
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#define CHROMA_FORMAT_422 2
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#define CHROMA_FORMAT_444 3
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#define MAX_SLICES 128
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enum {
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MPEG2_MODE_I = 0,
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MPEG2_MODE_IP,
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MPEG2_MODE_IPB,
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};
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enum {
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MPEG2_LEVEL_LOW = 0,
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MPEG2_LEVEL_MAIN,
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MPEG2_LEVEL_HIGH,
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};
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#define CHECK_VASTATUS(va_status, func) \
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if (va_status != VA_STATUS_SUCCESS) { \
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fprintf(stderr, "%s:%s (%d) failed, exit\n", __func__, func, __LINE__); \
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exit(1); \
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}
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static VAProfile mpeg2_va_profiles[] = {
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VAProfileMPEG2Simple,
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VAProfileMPEG2Main
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};
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static struct _mpeg2_sampling_density
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{
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int samplers_per_line;
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int line_per_frame;
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int frame_per_sec;
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} mpeg2_upper_samplings[2][3] = {
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{ { 0, 0, 0 },
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{ 720, 576, 30 },
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{ 0, 0, 0 },
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},
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{ { 352, 288, 30 },
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{ 720, 576, 30 },
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{ 1920, 1152, 60 },
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}
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};
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struct mpeg2enc_context {
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/* args */
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int rate_control_mode;
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int fps;
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int mode; /* 0:I, 1:I/P, 2:I/P/B */
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VAProfile profile;
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int level;
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int width;
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int height;
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int frame_size;
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int num_pictures;
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int qp;
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FILE *ifp;
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FILE *ofp;
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unsigned char *frame_data_buffer;
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int intra_period;
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int ip_period;
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int bit_rate; /* in kbps */
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VAEncPictureType next_type;
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int next_display_order;
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int next_bframes;
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int new_sequence;
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int new_gop_header;
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int gop_header_in_display_order;
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/* VA resource */
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VADisplay va_dpy;
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VAEncSequenceParameterBufferMPEG2 seq_param;
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VAEncPictureParameterBufferMPEG2 pic_param;
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VAEncSliceParameterBufferMPEG2 slice_param[MAX_SLICES];
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VAContextID context_id;
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VAConfigID config_id;
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VABufferID seq_param_buf_id; /* Sequence level parameter */
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VABufferID pic_param_buf_id; /* Picture level parameter */
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VABufferID slice_param_buf_id[MAX_SLICES]; /* Slice level parameter, multil slices */
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VABufferID codedbuf_buf_id; /* Output buffer, compressed data */
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VABufferID packed_seq_header_param_buf_id;
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VABufferID packed_seq_buf_id;
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VABufferID packed_pic_header_param_buf_id;
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VABufferID packed_pic_buf_id;
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int num_slice_groups;
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int codedbuf_i_size;
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int codedbuf_pb_size;
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/* thread */
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pthread_t upload_thread_id;
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int upload_thread_value;
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int current_input_surface;
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int current_upload_surface;
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};
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/*
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* mpeg2enc helpers
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*/
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#define BITSTREAM_ALLOCATE_STEPPING 4096
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struct __bitstream {
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unsigned int *buffer;
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int bit_offset;
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int max_size_in_dword;
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};
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typedef struct __bitstream bitstream;
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static unsigned int
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swap32(unsigned int val)
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{
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unsigned char *pval = (unsigned char *)&val;
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return ((pval[0] << 24) |
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(pval[1] << 16) |
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(pval[2] << 8) |
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(pval[3] << 0));
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}
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static void
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bitstream_start(bitstream *bs)
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{
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bs->max_size_in_dword = BITSTREAM_ALLOCATE_STEPPING;
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bs->buffer = calloc(bs->max_size_in_dword * sizeof(int), 1);
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bs->bit_offset = 0;
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}
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static void
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bitstream_end(bitstream *bs)
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{
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int pos = (bs->bit_offset >> 5);
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int bit_offset = (bs->bit_offset & 0x1f);
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int bit_left = 32 - bit_offset;
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if (bit_offset) {
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bs->buffer[pos] = swap32((bs->buffer[pos] << bit_left));
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}
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}
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static void
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bitstream_put_ui(bitstream *bs, unsigned int val, int size_in_bits)
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{
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int pos = (bs->bit_offset >> 5);
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int bit_offset = (bs->bit_offset & 0x1f);
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int bit_left = 32 - bit_offset;
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if (!size_in_bits)
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return;
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if (size_in_bits < 32)
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val &= ((1 << size_in_bits) - 1);
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bs->bit_offset += size_in_bits;
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if (bit_left > size_in_bits) {
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bs->buffer[pos] = (bs->buffer[pos] << size_in_bits | val);
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} else {
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size_in_bits -= bit_left;
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bs->buffer[pos] = (bs->buffer[pos] << bit_left) | (val >> size_in_bits);
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bs->buffer[pos] = swap32(bs->buffer[pos]);
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if (pos + 1 == bs->max_size_in_dword) {
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bs->max_size_in_dword += BITSTREAM_ALLOCATE_STEPPING;
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bs->buffer = realloc(bs->buffer, bs->max_size_in_dword * sizeof(unsigned int));
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}
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bs->buffer[pos + 1] = val;
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}
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}
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static void
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bitstream_byte_aligning(bitstream *bs, int bit)
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{
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int bit_offset = (bs->bit_offset & 0x7);
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int bit_left = 8 - bit_offset;
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int new_val;
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if (!bit_offset)
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return;
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assert(bit == 0 || bit == 1);
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if (bit)
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new_val = (1 << bit_left) - 1;
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else
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new_val = 0;
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bitstream_put_ui(bs, new_val, bit_left);
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}
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static struct mpeg2_frame_rate {
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int code;
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float value;
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} frame_rate_tab[] = {
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{1, 23.976},
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{2, 24.0},
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{3, 25.0},
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{4, 29.97},
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{5, 30},
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{6, 50},
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{7, 59.94},
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{8, 60}
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};
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static int
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find_frame_rate_code(const VAEncSequenceParameterBufferMPEG2 *seq_param)
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{
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unsigned int delta = -1;
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int code = 1, i;
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float frame_rate_value = seq_param->frame_rate *
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(seq_param->sequence_extension.bits.frame_rate_extension_d + 1) /
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(seq_param->sequence_extension.bits.frame_rate_extension_n + 1);
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for (i = 0; i < sizeof(frame_rate_tab) / sizeof(frame_rate_tab[0]); i++) {
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if (abs(1000 * frame_rate_tab[i].value - 1000 * frame_rate_value) < delta) {
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code = frame_rate_tab[i].code;
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delta = abs(1000 * frame_rate_tab[i].value - 1000 * frame_rate_value);
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}
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}
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return code;
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}
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static void
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sps_rbsp(struct mpeg2enc_context *ctx,
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const VAEncSequenceParameterBufferMPEG2 *seq_param,
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bitstream *bs)
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{
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int frame_rate_code = find_frame_rate_code(seq_param);
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if (ctx->new_sequence) {
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bitstream_put_ui(bs, START_CODE_SEQ, 32);
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bitstream_put_ui(bs, seq_param->picture_width, 12);
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bitstream_put_ui(bs, seq_param->picture_height, 12);
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bitstream_put_ui(bs, seq_param->aspect_ratio_information, 4);
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bitstream_put_ui(bs, frame_rate_code, 4); /* frame_rate_code */
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bitstream_put_ui(bs, (seq_param->bits_per_second + 399) / 400, 18); /* the low 18 bits of bit_rate */
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bitstream_put_ui(bs, 1, 1); /* marker_bit */
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bitstream_put_ui(bs, seq_param->vbv_buffer_size, 10);
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bitstream_put_ui(bs, 0, 1); /* constraint_parameter_flag, always 0 for MPEG-2 */
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bitstream_put_ui(bs, 0, 1); /* load_intra_quantiser_matrix */
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bitstream_put_ui(bs, 0, 1); /* load_non_intra_quantiser_matrix */
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bitstream_byte_aligning(bs, 0);
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bitstream_put_ui(bs, START_CODE_EXT, 32);
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bitstream_put_ui(bs, 1, 4); /* sequence_extension id */
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bitstream_put_ui(bs, seq_param->sequence_extension.bits.profile_and_level_indication, 8);
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bitstream_put_ui(bs, seq_param->sequence_extension.bits.progressive_sequence, 1);
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bitstream_put_ui(bs, seq_param->sequence_extension.bits.chroma_format, 2);
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bitstream_put_ui(bs, seq_param->picture_width >> 12, 2);
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bitstream_put_ui(bs, seq_param->picture_height >> 12, 2);
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bitstream_put_ui(bs, ((seq_param->bits_per_second + 399) / 400) >> 18, 12); /* bit_rate_extension */
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bitstream_put_ui(bs, 1, 1); /* marker_bit */
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bitstream_put_ui(bs, seq_param->vbv_buffer_size >> 10, 8);
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bitstream_put_ui(bs, seq_param->sequence_extension.bits.low_delay, 1);
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bitstream_put_ui(bs, seq_param->sequence_extension.bits.frame_rate_extension_n, 2);
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bitstream_put_ui(bs, seq_param->sequence_extension.bits.frame_rate_extension_d, 5);
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bitstream_byte_aligning(bs, 0);
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}
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if (ctx->new_gop_header) {
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bitstream_put_ui(bs, START_CODE_GOP, 32);
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bitstream_put_ui(bs, seq_param->gop_header.bits.time_code, 25);
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bitstream_put_ui(bs, seq_param->gop_header.bits.closed_gop, 1);
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bitstream_put_ui(bs, seq_param->gop_header.bits.broken_link, 1);
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bitstream_byte_aligning(bs, 0);
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}
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}
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static void
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pps_rbsp(const VAEncSequenceParameterBufferMPEG2 *seq_param,
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const VAEncPictureParameterBufferMPEG2 *pic_param,
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bitstream *bs)
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{
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int i;
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int chroma_420_type;
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if (seq_param->sequence_extension.bits.chroma_format == CHROMA_FORMAT_420)
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chroma_420_type = pic_param->picture_coding_extension.bits.progressive_frame;
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else
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chroma_420_type = 0;
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bitstream_put_ui(bs, START_CODE_PICUTRE, 32);
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bitstream_put_ui(bs, pic_param->temporal_reference, 10);
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bitstream_put_ui(bs,
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pic_param->picture_type == VAEncPictureTypeIntra ? 1 :
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pic_param->picture_type == VAEncPictureTypePredictive ? 2 : 3,
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3);
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bitstream_put_ui(bs, 0xFFFF, 16); /* vbv_delay, always 0xFFFF */
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if (pic_param->picture_type == VAEncPictureTypePredictive ||
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pic_param->picture_type == VAEncPictureTypeBidirectional) {
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bitstream_put_ui(bs, 0, 1); /* full_pel_forward_vector, always 0 for MPEG-2 */
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bitstream_put_ui(bs, 7, 3); /* forward_f_code, always 7 for MPEG-2 */
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}
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if (pic_param->picture_type == VAEncPictureTypeBidirectional) {
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bitstream_put_ui(bs, 0, 1); /* full_pel_backward_vector, always 0 for MPEG-2 */
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bitstream_put_ui(bs, 7, 3); /* backward_f_code, always 7 for MPEG-2 */
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}
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bitstream_put_ui(bs, 0, 1); /* extra_bit_picture, 0 */
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bitstream_byte_aligning(bs, 0);
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bitstream_put_ui(bs, START_CODE_EXT, 32);
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bitstream_put_ui(bs, 8, 4); /* Picture Coding Extension ID: 8 */
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bitstream_put_ui(bs, pic_param->f_code[0][0], 4);
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bitstream_put_ui(bs, pic_param->f_code[0][1], 4);
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bitstream_put_ui(bs, pic_param->f_code[1][0], 4);
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bitstream_put_ui(bs, pic_param->f_code[1][1], 4);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.intra_dc_precision, 2);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.picture_structure, 2);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.top_field_first, 1);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.frame_pred_frame_dct, 1);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.concealment_motion_vectors, 1);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.q_scale_type, 1);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.intra_vlc_format, 1);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.alternate_scan, 1);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.repeat_first_field, 1);
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bitstream_put_ui(bs, chroma_420_type, 1);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.progressive_frame, 1);
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bitstream_put_ui(bs, pic_param->picture_coding_extension.bits.composite_display_flag, 1);
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bitstream_byte_aligning(bs, 0);
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}
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static int
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build_packed_pic_buffer(const VAEncSequenceParameterBufferMPEG2 *seq_param,
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const VAEncPictureParameterBufferMPEG2 *pic_param,
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unsigned char **header_buffer)
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{
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bitstream bs;
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bitstream_start(&bs);
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pps_rbsp(seq_param, pic_param, &bs);
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bitstream_end(&bs);
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*header_buffer = (unsigned char *)bs.buffer;
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return bs.bit_offset;
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}
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static int
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build_packed_seq_buffer(struct mpeg2enc_context *ctx,
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const VAEncSequenceParameterBufferMPEG2 *seq_param,
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unsigned char **header_buffer)
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{
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bitstream bs;
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bitstream_start(&bs);
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sps_rbsp(ctx, seq_param, &bs);
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bitstream_end(&bs);
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*header_buffer = (unsigned char *)bs.buffer;
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return bs.bit_offset;
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}
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/*
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* mpeg2enc
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*/
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#define SID_INPUT_PICTURE_0 0
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#define SID_INPUT_PICTURE_1 1
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#define SID_REFERENCE_PICTURE_L0 2
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#define SID_REFERENCE_PICTURE_L1 3
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#define SID_RECON_PICTURE 4
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#define SID_NUMBER SID_RECON_PICTURE + 1
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static VASurfaceID surface_ids[SID_NUMBER];
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/*
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* upload thread function
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*/
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static void *
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upload_yuv_to_surface(void *data)
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{
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struct mpeg2enc_context *ctx = data;
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VAImage surface_image;
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VAStatus va_status;
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void *surface_p = NULL;
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unsigned char *y_src, *u_src, *v_src;
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unsigned char *y_dst, *u_dst, *v_dst;
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int y_size = ctx->width * ctx->height;
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int u_size = (ctx->width >> 1) * (ctx->height >> 1);
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int row, col;
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size_t n_items;
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do {
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n_items = fread(ctx->frame_data_buffer, ctx->frame_size, 1, ctx->ifp);
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} while (n_items != 1);
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va_status = vaDeriveImage(ctx->va_dpy, surface_ids[ctx->current_upload_surface], &surface_image);
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CHECK_VASTATUS(va_status,"vaDeriveImage");
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vaMapBuffer(ctx->va_dpy, surface_image.buf, &surface_p);
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assert(VA_STATUS_SUCCESS == va_status);
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y_src = ctx->frame_data_buffer;
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u_src = ctx->frame_data_buffer + y_size; /* UV offset for NV12 */
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v_src = ctx->frame_data_buffer + y_size + u_size;
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y_dst = surface_p + surface_image.offsets[0];
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u_dst = surface_p + surface_image.offsets[1]; /* UV offset for NV12 */
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v_dst = surface_p + surface_image.offsets[2];
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/* Y plane */
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for (row = 0; row < surface_image.height; row++) {
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memcpy(y_dst, y_src, surface_image.width);
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y_dst += surface_image.pitches[0];
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y_src += ctx->width;
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}
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|
|
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 += (ctx->width / 2);
|
|
v_src += (ctx->width / 2);
|
|
}
|
|
} else {
|
|
for (row = 0; row < surface_image.height / 2; row++) {
|
|
for (col = 0; col < surface_image.width / 2; col++) {
|
|
u_dst[col] = u_src[col];
|
|
v_dst[col] = v_src[col];
|
|
}
|
|
|
|
u_dst += surface_image.pitches[1];
|
|
v_dst += surface_image.pitches[2];
|
|
u_src += (ctx->width / 2);
|
|
v_src += (ctx->width / 2);
|
|
}
|
|
}
|
|
|
|
vaUnmapBuffer(ctx->va_dpy, surface_image.buf);
|
|
vaDestroyImage(ctx->va_dpy, surface_image.image_id);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_exit(struct mpeg2enc_context *ctx, int exit_code)
|
|
{
|
|
if (ctx->frame_data_buffer) {
|
|
free(ctx->frame_data_buffer);
|
|
ctx->frame_data_buffer = NULL;
|
|
}
|
|
|
|
if (ctx->ifp) {
|
|
fclose(ctx->ifp);
|
|
ctx->ifp = NULL;
|
|
}
|
|
|
|
if (ctx->ofp) {
|
|
fclose(ctx->ofp);
|
|
ctx->ofp = NULL;
|
|
}
|
|
|
|
exit(exit_code);
|
|
}
|
|
|
|
static void
|
|
usage(char *program)
|
|
{
|
|
fprintf(stderr, "Usage: %s --help\n", program);
|
|
fprintf(stderr, "\t--help print this message\n");
|
|
fprintf(stderr, "Usage: %s <width> <height> <ifile> <ofile> [options]\n", program);
|
|
fprintf(stderr, "\t<width> specifies the frame width\n");
|
|
fprintf(stderr, "\t<height> specifies the frame height\n");
|
|
fprintf(stderr, "\t<ifile> specifies the I420/IYUV YUV file\n");
|
|
fprintf(stderr, "\t<ofile> specifies the encoded MPEG-2 file\n");
|
|
fprintf(stderr, "where options include:\n");
|
|
fprintf(stderr, "\t--cqp <QP> const qp mode with specified <QP>\n");
|
|
fprintf(stderr, "\t--fps <FPS> specify the frame rate\n");
|
|
fprintf(stderr, "\t--mode <MODE> specify the mode 0 (I), 1 (I/P) and 2 (I/P/B)\n");
|
|
fprintf(stderr, "\t--profile <PROFILE> specify the profile 0(Simple), or 1(Main, default)\n");
|
|
fprintf(stderr, "\t--level <LEVEL> specify the level 0(Low), 1(Main, default) or 2(High)\n");
|
|
}
|
|
|
|
void
|
|
mpeg2_profile_level(struct mpeg2enc_context *ctx,
|
|
int profile,
|
|
int level)
|
|
{
|
|
int l = 2, p;
|
|
|
|
for (p = profile; p < 2; p++) {
|
|
for (l = level; l < 3; l++) {
|
|
if (ctx->width <= mpeg2_upper_samplings[p][l].samplers_per_line &&
|
|
ctx->height <= mpeg2_upper_samplings[p][l].line_per_frame &&
|
|
ctx->fps <= mpeg2_upper_samplings[p][l].frame_per_sec) {
|
|
|
|
goto __find;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (p == 2) {
|
|
fprintf(stderr, "Warning: can't find a proper profile and level for the specified width/height/fps\n");
|
|
p = 1;
|
|
l = 2;
|
|
}
|
|
|
|
__find:
|
|
ctx->profile = mpeg2_va_profiles[p];
|
|
ctx->level = l;
|
|
}
|
|
|
|
static void
|
|
parse_args(struct mpeg2enc_context *ctx, int argc, char **argv)
|
|
{
|
|
int c, tmp;
|
|
int option_index = 0;
|
|
long file_size;
|
|
int profile = 1, level = 1;
|
|
|
|
static struct option long_options[] = {
|
|
{"help", no_argument, 0, 'h'},
|
|
{"cqp", required_argument, 0, 'c'},
|
|
{"fps", required_argument, 0, 'f'},
|
|
{"mode", required_argument, 0, 'm'},
|
|
{"profile", required_argument, 0, 'p'},
|
|
{"level", required_argument, 0, 'l'},
|
|
{ NULL, 0, NULL, 0 }
|
|
};
|
|
|
|
if ((argc == 2 && strcmp(argv[1], "--help") == 0) ||
|
|
(argc < 5))
|
|
goto print_usage;
|
|
|
|
ctx->width = atoi(argv[1]);
|
|
ctx->height = atoi(argv[2]);
|
|
|
|
if (ctx->width <= 0 || ctx->height <= 0) {
|
|
fprintf(stderr, "<width> and <height> must be greater than 0\n");
|
|
goto err_exit;
|
|
}
|
|
|
|
ctx->ifp = fopen(argv[3], "rb");
|
|
|
|
if (ctx->ifp == NULL) {
|
|
fprintf(stderr, "Can't open the input file\n");
|
|
goto err_exit;
|
|
}
|
|
|
|
fseek(ctx->ifp, 0l, SEEK_END);
|
|
file_size = ftell(ctx->ifp);
|
|
ctx->frame_size = ctx->width * ctx->height * 3 / 2;
|
|
|
|
if ((file_size < ctx->frame_size) ||
|
|
(file_size % ctx->frame_size)) {
|
|
fprintf(stderr, "The input file size %ld isn't a multiple of the frame size %d\n", file_size, ctx->frame_size);
|
|
goto err_exit;
|
|
}
|
|
|
|
ctx->num_pictures = file_size / ctx->frame_size;
|
|
fseek(ctx->ifp, 0l, SEEK_SET);
|
|
|
|
ctx->ofp = fopen(argv[4], "wb");
|
|
|
|
if (ctx->ofp == NULL) {
|
|
fprintf(stderr, "Can't create the output file\n");
|
|
goto err_exit;
|
|
}
|
|
|
|
opterr = 0;
|
|
ctx->fps = 30;
|
|
ctx->qp = 8;
|
|
ctx->rate_control_mode = VA_RC_CQP;
|
|
ctx->mode = MPEG2_MODE_IP;
|
|
ctx->profile = VAProfileMPEG2Main;
|
|
ctx->level = MPEG2_LEVEL_MAIN;
|
|
|
|
optind = 5;
|
|
|
|
while((c = getopt_long(argc, argv,
|
|
"",
|
|
long_options,
|
|
&option_index)) != -1) {
|
|
switch(c) {
|
|
case 'c':
|
|
tmp = atoi(optarg);
|
|
|
|
/* only support q_scale_type = 0 */
|
|
if (tmp > 62 || tmp < 2) {
|
|
fprintf(stderr, "Warning: QP must be in [2, 62]\n");
|
|
|
|
if (tmp > 62)
|
|
tmp = 62;
|
|
|
|
if (tmp < 2)
|
|
tmp = 2;
|
|
}
|
|
|
|
ctx->qp = tmp & 0xFE;
|
|
ctx->rate_control_mode = VA_RC_CQP;
|
|
|
|
break;
|
|
|
|
case 'f':
|
|
tmp = atoi(optarg);
|
|
|
|
if (tmp <= 0)
|
|
fprintf(stderr, "Warning: FPS must be greater than 0\n");
|
|
else
|
|
ctx->fps = tmp;
|
|
|
|
ctx->rate_control_mode = VA_RC_CBR;
|
|
|
|
break;
|
|
|
|
case 'm':
|
|
tmp = atoi(optarg);
|
|
|
|
if (tmp < MPEG2_MODE_I || tmp > MPEG2_MODE_IPB)
|
|
fprintf(stderr, "Waning: MODE must be 0, 1, or 2\n");
|
|
else
|
|
ctx->mode = tmp;
|
|
|
|
break;
|
|
|
|
case 'p':
|
|
tmp = atoi(optarg);
|
|
|
|
if (tmp < 0 || tmp > 1)
|
|
fprintf(stderr, "Waning: PROFILE must be 0 or 1\n");
|
|
else
|
|
profile = tmp;
|
|
|
|
break;
|
|
|
|
case 'l':
|
|
tmp = atoi(optarg);
|
|
|
|
if (tmp < MPEG2_LEVEL_LOW || tmp > MPEG2_LEVEL_HIGH)
|
|
fprintf(stderr, "Waning: LEVEL must be 0, 1, or 2\n");
|
|
else
|
|
level = tmp;
|
|
|
|
break;
|
|
|
|
case '?':
|
|
fprintf(stderr, "Error: unkown command options\n");
|
|
|
|
case 'h':
|
|
goto print_usage;
|
|
}
|
|
}
|
|
|
|
mpeg2_profile_level(ctx, profile, level);
|
|
|
|
return;
|
|
|
|
print_usage:
|
|
usage(argv[0]);
|
|
err_exit:
|
|
mpeg2enc_exit(ctx, 1);
|
|
}
|
|
|
|
/*
|
|
* init
|
|
*/
|
|
void
|
|
mpeg2enc_init_sequence_parameter(struct mpeg2enc_context *ctx,
|
|
VAEncSequenceParameterBufferMPEG2 *seq_param)
|
|
{
|
|
int profile = 4, level = 8;
|
|
|
|
switch (ctx->profile) {
|
|
case VAProfileMPEG2Simple:
|
|
profile = 5;
|
|
break;
|
|
|
|
case VAProfileMPEG2Main:
|
|
profile = 4;
|
|
break;
|
|
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
|
|
switch (ctx->level) {
|
|
case MPEG2_LEVEL_LOW:
|
|
level = 10;
|
|
break;
|
|
|
|
case MPEG2_LEVEL_MAIN:
|
|
level = 8;
|
|
break;
|
|
|
|
case MPEG2_LEVEL_HIGH:
|
|
level = 4;
|
|
break;
|
|
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
|
|
seq_param->intra_period = ctx->intra_period;
|
|
seq_param->ip_period = ctx->ip_period; /* FIXME: ??? */
|
|
seq_param->picture_width = ctx->width;
|
|
seq_param->picture_height = ctx->height;
|
|
|
|
if (ctx->bit_rate > 0)
|
|
seq_param->bits_per_second = 1024 * ctx->bit_rate; /* use kbps as input */
|
|
else
|
|
seq_param->bits_per_second = 0x3FFFF * 400;
|
|
|
|
seq_param->frame_rate = ctx->fps;
|
|
seq_param->aspect_ratio_information = 1;
|
|
seq_param->vbv_buffer_size = 3; /* B = 16 * 1024 * vbv_buffer_size */
|
|
|
|
seq_param->sequence_extension.bits.profile_and_level_indication = profile << 4 | level;
|
|
seq_param->sequence_extension.bits.progressive_sequence = 1; /* progressive frame-pictures */
|
|
seq_param->sequence_extension.bits.chroma_format = CHROMA_FORMAT_420; /* 4:2:0 */
|
|
seq_param->sequence_extension.bits.low_delay = 0; /* FIXME */
|
|
seq_param->sequence_extension.bits.frame_rate_extension_n = 0;
|
|
seq_param->sequence_extension.bits.frame_rate_extension_d = 0;
|
|
|
|
seq_param->gop_header.bits.time_code = (1 << 12); /* bit12: marker_bit */
|
|
seq_param->gop_header.bits.closed_gop = 0;
|
|
seq_param->gop_header.bits.broken_link = 0;
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_init_picture_parameter(struct mpeg2enc_context *ctx,
|
|
VAEncPictureParameterBufferMPEG2 *pic_param)
|
|
{
|
|
pic_param->forward_reference_picture = VA_INVALID_ID;
|
|
pic_param->backward_reference_picture = VA_INVALID_ID;
|
|
pic_param->reconstructed_picture = VA_INVALID_ID;
|
|
pic_param->coded_buf = VA_INVALID_ID;
|
|
pic_param->picture_type = VAEncPictureTypeIntra;
|
|
|
|
pic_param->temporal_reference = 0;
|
|
pic_param->f_code[0][0] = 0xf;
|
|
pic_param->f_code[0][1] = 0xf;
|
|
pic_param->f_code[1][0] = 0xf;
|
|
pic_param->f_code[1][1] = 0xf;
|
|
|
|
pic_param->picture_coding_extension.bits.intra_dc_precision = 0; /* 8bits */
|
|
pic_param->picture_coding_extension.bits.picture_structure = 3; /* frame picture */
|
|
pic_param->picture_coding_extension.bits.top_field_first = 0;
|
|
pic_param->picture_coding_extension.bits.frame_pred_frame_dct = 1; /* FIXME */
|
|
pic_param->picture_coding_extension.bits.concealment_motion_vectors = 0;
|
|
pic_param->picture_coding_extension.bits.q_scale_type = 0;
|
|
pic_param->picture_coding_extension.bits.intra_vlc_format = 0;
|
|
pic_param->picture_coding_extension.bits.alternate_scan = 0;
|
|
pic_param->picture_coding_extension.bits.repeat_first_field = 0;
|
|
pic_param->picture_coding_extension.bits.progressive_frame = 1;
|
|
pic_param->picture_coding_extension.bits.composite_display_flag = 0;
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_alloc_va_resources(struct mpeg2enc_context *ctx)
|
|
{
|
|
VAEntrypoint *entrypoint_list;
|
|
VAConfigAttrib attrib_list[2];
|
|
VAStatus va_status;
|
|
int max_entrypoints, num_entrypoints, entrypoint;
|
|
int major_ver, minor_ver;
|
|
|
|
ctx->va_dpy = va_open_display();
|
|
va_status = vaInitialize(ctx->va_dpy,
|
|
&major_ver,
|
|
&minor_ver);
|
|
CHECK_VASTATUS(va_status, "vaInitialize");
|
|
|
|
max_entrypoints = vaMaxNumEntrypoints(ctx->va_dpy);
|
|
entrypoint_list = malloc(max_entrypoints * sizeof(VAEntrypoint));
|
|
vaQueryConfigEntrypoints(ctx->va_dpy,
|
|
ctx->profile,
|
|
entrypoint_list,
|
|
&num_entrypoints);
|
|
|
|
for (entrypoint = 0; entrypoint < num_entrypoints; entrypoint++) {
|
|
if (entrypoint_list[entrypoint] == VAEntrypointEncSlice)
|
|
break;
|
|
}
|
|
|
|
free(entrypoint_list);
|
|
|
|
if (entrypoint == num_entrypoints) {
|
|
/* not find Slice entry point */
|
|
assert(0);
|
|
}
|
|
|
|
/* find out the format for the render target, and rate control mode */
|
|
attrib_list[0].type = VAConfigAttribRTFormat;
|
|
attrib_list[1].type = VAConfigAttribRateControl;
|
|
vaGetConfigAttributes(ctx->va_dpy,
|
|
ctx->profile,
|
|
VAEntrypointEncSlice,
|
|
&attrib_list[0],
|
|
2);
|
|
|
|
if ((attrib_list[0].value & VA_RT_FORMAT_YUV420) == 0) {
|
|
/* not find desired YUV420 RT format */
|
|
assert(0);
|
|
}
|
|
|
|
if ((attrib_list[1].value & ctx->rate_control_mode) == 0) {
|
|
/* Can't find matched RC mode */
|
|
fprintf(stderr, "RC mode %d isn't found, exit\n", ctx->rate_control_mode);
|
|
assert(0);
|
|
}
|
|
|
|
attrib_list[0].value = VA_RT_FORMAT_YUV420; /* set to desired RT format */
|
|
attrib_list[1].value = ctx->rate_control_mode; /* set to desired RC mode */
|
|
|
|
va_status = vaCreateConfig(ctx->va_dpy,
|
|
ctx->profile,
|
|
VAEntrypointEncSlice,
|
|
attrib_list,
|
|
2,
|
|
&ctx->config_id);
|
|
CHECK_VASTATUS(va_status, "vaCreateConfig");
|
|
|
|
/* Create a context for this decode pipe */
|
|
va_status = vaCreateContext(ctx->va_dpy,
|
|
ctx->config_id,
|
|
ctx->width,
|
|
ctx->height,
|
|
VA_PROGRESSIVE,
|
|
0,
|
|
0,
|
|
&ctx->context_id);
|
|
CHECK_VASTATUS(va_status, "vaCreateContext");
|
|
|
|
va_status = vaCreateSurfaces(ctx->va_dpy,
|
|
VA_RT_FORMAT_YUV420,
|
|
ctx->width,
|
|
ctx->height,
|
|
surface_ids,
|
|
SID_NUMBER,
|
|
NULL,
|
|
0);
|
|
CHECK_VASTATUS(va_status, "vaCreateSurfaces");
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_init(struct mpeg2enc_context *ctx)
|
|
{
|
|
int i;
|
|
|
|
ctx->frame_data_buffer = (unsigned char *)malloc(ctx->frame_size);
|
|
ctx->seq_param_buf_id = VA_INVALID_ID;
|
|
ctx->pic_param_buf_id = VA_INVALID_ID;
|
|
ctx->packed_seq_header_param_buf_id = VA_INVALID_ID;
|
|
ctx->packed_seq_buf_id = VA_INVALID_ID;
|
|
ctx->packed_pic_header_param_buf_id = VA_INVALID_ID;
|
|
ctx->packed_pic_buf_id = VA_INVALID_ID;
|
|
ctx->codedbuf_buf_id = VA_INVALID_ID;
|
|
ctx->codedbuf_i_size = ctx->frame_size;
|
|
ctx->codedbuf_pb_size = 0;
|
|
ctx->next_display_order = 0;
|
|
ctx->next_type = VAEncPictureTypeIntra;
|
|
|
|
if (ctx->mode == MPEG2_MODE_I) {
|
|
ctx->intra_period = 1;
|
|
ctx->ip_period = 0;
|
|
} else if (ctx->mode == MPEG2_MODE_IP) {
|
|
ctx->intra_period = 16;
|
|
ctx->ip_period = 0;
|
|
} else {
|
|
ctx->intra_period = 16;
|
|
ctx->ip_period = 2;
|
|
}
|
|
|
|
ctx->next_bframes = ctx->ip_period;
|
|
|
|
ctx->new_sequence = 1;
|
|
ctx->new_gop_header = 1;
|
|
ctx->gop_header_in_display_order = 0;
|
|
|
|
ctx->bit_rate = -1;
|
|
|
|
for (i = 0; i < MAX_SLICES; i++) {
|
|
ctx->slice_param_buf_id[i] = VA_INVALID_ID;
|
|
}
|
|
|
|
mpeg2enc_init_sequence_parameter(ctx, &ctx->seq_param);
|
|
mpeg2enc_init_picture_parameter(ctx, &ctx->pic_param);
|
|
mpeg2enc_alloc_va_resources(ctx);
|
|
|
|
/* thread */
|
|
ctx->current_input_surface = SID_INPUT_PICTURE_0;
|
|
ctx->current_upload_surface = SID_INPUT_PICTURE_1;
|
|
ctx->upload_thread_value = pthread_create(&ctx->upload_thread_id,
|
|
NULL,
|
|
upload_yuv_to_surface,
|
|
ctx);
|
|
}
|
|
|
|
static int
|
|
mpeg2enc_time_code(VAEncSequenceParameterBufferMPEG2 *seq_param,
|
|
int num_frames)
|
|
{
|
|
int fps = (int)(seq_param->frame_rate + 0.5);
|
|
int time_code = 0;
|
|
int time_code_pictures, time_code_seconds, time_code_minutes, time_code_hours;
|
|
int drop_frame_flag = 0;
|
|
|
|
assert(fps <= 60);
|
|
|
|
time_code_seconds = num_frames / fps;
|
|
time_code_pictures = num_frames % fps;
|
|
time_code |= time_code_pictures;
|
|
|
|
time_code_minutes = time_code_seconds / 60;
|
|
time_code_seconds = time_code_seconds % 60;
|
|
time_code |= (time_code_seconds << 6);
|
|
|
|
time_code_hours = time_code_minutes / 60;
|
|
time_code_minutes = time_code_minutes % 60;
|
|
|
|
time_code |= (1 << 12); /* marker_bit */
|
|
time_code |= (time_code_minutes << 13);
|
|
|
|
time_code_hours = time_code_hours % 24;
|
|
time_code |= (time_code_hours << 19);
|
|
|
|
time_code |= (drop_frame_flag << 24);
|
|
|
|
return time_code;
|
|
}
|
|
|
|
/*
|
|
* run
|
|
*/
|
|
static void
|
|
mpeg2enc_update_sequence_parameter(struct mpeg2enc_context *ctx,
|
|
VAEncPictureType picture_type,
|
|
int coded_order,
|
|
int display_order)
|
|
{
|
|
VAEncSequenceParameterBufferMPEG2 *seq_param = &ctx->seq_param;
|
|
|
|
/* update the time_code info for the new GOP */
|
|
if (ctx->new_gop_header) {
|
|
seq_param->gop_header.bits.time_code = mpeg2enc_time_code(seq_param, display_order);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_update_picture_parameter(struct mpeg2enc_context *ctx,
|
|
VAEncPictureType picture_type,
|
|
int coded_order,
|
|
int display_order)
|
|
{
|
|
VAEncPictureParameterBufferMPEG2 *pic_param = &ctx->pic_param;
|
|
uint8_t f_code_x, f_code_y;
|
|
|
|
pic_param->picture_type = picture_type;
|
|
pic_param->temporal_reference = (display_order - ctx->gop_header_in_display_order) & 0x3FF;
|
|
pic_param->reconstructed_picture = surface_ids[SID_RECON_PICTURE];
|
|
pic_param->forward_reference_picture = surface_ids[SID_REFERENCE_PICTURE_L0];
|
|
pic_param->backward_reference_picture = surface_ids[SID_REFERENCE_PICTURE_L1];
|
|
|
|
f_code_x = 0xf;
|
|
f_code_y = 0xf;
|
|
if (pic_param->picture_type != VAEncPictureTypeIntra) {
|
|
if (ctx->level == MPEG2_LEVEL_LOW) {
|
|
f_code_x = 7;
|
|
f_code_y = 4;
|
|
} else if (ctx->level == MPEG2_LEVEL_MAIN) {
|
|
f_code_x = 8;
|
|
f_code_y = 5;
|
|
} else {
|
|
f_code_x = 9;
|
|
f_code_y = 5;
|
|
}
|
|
}
|
|
|
|
if (pic_param->picture_type == VAEncPictureTypeIntra) {
|
|
pic_param->f_code[0][0] = 0xf;
|
|
pic_param->f_code[0][1] = 0xf;
|
|
pic_param->f_code[1][0] = 0xf;
|
|
pic_param->f_code[1][1] = 0xf;
|
|
pic_param->forward_reference_picture = VA_INVALID_SURFACE;
|
|
pic_param->backward_reference_picture = VA_INVALID_SURFACE;
|
|
|
|
} else if (pic_param->picture_type == VAEncPictureTypePredictive) {
|
|
pic_param->f_code[0][0] = f_code_x;
|
|
pic_param->f_code[0][1] = f_code_y;
|
|
pic_param->f_code[1][0] = 0xf;
|
|
pic_param->f_code[1][1] = 0xf;
|
|
pic_param->forward_reference_picture = surface_ids[SID_REFERENCE_PICTURE_L0];
|
|
pic_param->backward_reference_picture = VA_INVALID_SURFACE;
|
|
} else if (pic_param->picture_type == VAEncPictureTypeBidirectional) {
|
|
pic_param->f_code[0][0] = f_code_x;
|
|
pic_param->f_code[0][1] = f_code_y;
|
|
pic_param->f_code[1][0] = f_code_x;
|
|
pic_param->f_code[1][1] = f_code_y;
|
|
pic_param->forward_reference_picture = surface_ids[SID_REFERENCE_PICTURE_L0];
|
|
pic_param->backward_reference_picture = surface_ids[SID_REFERENCE_PICTURE_L1];
|
|
} else {
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_update_picture_parameter_buffer(struct mpeg2enc_context *ctx,
|
|
VAEncPictureType picture_type,
|
|
int coded_order,
|
|
int display_order)
|
|
{
|
|
VAEncPictureParameterBufferMPEG2 *pic_param = &ctx->pic_param;
|
|
VAStatus va_status;
|
|
|
|
/* update the coded buffer id */
|
|
pic_param->coded_buf = ctx->codedbuf_buf_id;
|
|
va_status = vaCreateBuffer(ctx->va_dpy,
|
|
ctx->context_id,
|
|
VAEncPictureParameterBufferType,
|
|
sizeof(*pic_param),
|
|
1,
|
|
pic_param,
|
|
&ctx->pic_param_buf_id);
|
|
CHECK_VASTATUS(va_status, "vaCreateBuffer");
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_update_slice_parameter(struct mpeg2enc_context *ctx, VAEncPictureType picture_type)
|
|
{
|
|
VAEncSequenceParameterBufferMPEG2 *seq_param;
|
|
VAEncPictureParameterBufferMPEG2 *pic_param;
|
|
VAEncSliceParameterBufferMPEG2 *slice_param;
|
|
VAStatus va_status;
|
|
int i, width_in_mbs, height_in_mbs;
|
|
|
|
pic_param = &ctx->pic_param;
|
|
assert(pic_param->picture_coding_extension.bits.q_scale_type == 0);
|
|
|
|
seq_param = &ctx->seq_param;
|
|
width_in_mbs = (seq_param->picture_width + 15) / 16;
|
|
height_in_mbs = (seq_param->picture_height + 15) / 16;
|
|
ctx->num_slice_groups = 1;
|
|
|
|
for (i = 0; i < height_in_mbs; i++) {
|
|
slice_param = &ctx->slice_param[i];
|
|
slice_param->macroblock_address = i * width_in_mbs;
|
|
slice_param->num_macroblocks = width_in_mbs;
|
|
slice_param->is_intra_slice = (picture_type == VAEncPictureTypeIntra);
|
|
slice_param->quantiser_scale_code = ctx->qp / 2;
|
|
}
|
|
|
|
va_status = vaCreateBuffer(ctx->va_dpy,
|
|
ctx->context_id,
|
|
VAEncSliceParameterBufferType,
|
|
sizeof(*slice_param),
|
|
height_in_mbs,
|
|
ctx->slice_param,
|
|
ctx->slice_param_buf_id);
|
|
CHECK_VASTATUS(va_status, "vaCreateBuffer");;
|
|
}
|
|
|
|
static int
|
|
begin_picture(struct mpeg2enc_context *ctx,
|
|
int coded_order,
|
|
int display_order,
|
|
VAEncPictureType picture_type)
|
|
{
|
|
VAStatus va_status;
|
|
int tmp;
|
|
VAEncPackedHeaderParameterBuffer packed_header_param_buffer;
|
|
unsigned int length_in_bits;
|
|
unsigned char *packed_seq_buffer = NULL, *packed_pic_buffer = NULL;
|
|
|
|
if (ctx->upload_thread_value != 0) {
|
|
fprintf(stderr, "FATAL error!!!\n");
|
|
exit(1);
|
|
}
|
|
|
|
pthread_join(ctx->upload_thread_id, NULL);
|
|
|
|
ctx->upload_thread_value = -1;
|
|
tmp = ctx->current_input_surface;
|
|
ctx->current_input_surface = ctx->current_upload_surface;
|
|
ctx->current_upload_surface = tmp;
|
|
|
|
mpeg2enc_update_sequence_parameter(ctx, picture_type, coded_order, display_order);
|
|
mpeg2enc_update_picture_parameter(ctx, picture_type, coded_order, display_order);
|
|
|
|
if (ctx->new_sequence || ctx->new_gop_header) {
|
|
assert(picture_type == VAEncPictureTypeIntra);
|
|
length_in_bits = build_packed_seq_buffer(ctx, &ctx->seq_param, &packed_seq_buffer);
|
|
packed_header_param_buffer.type = VAEncPackedHeaderMPEG2_SPS;
|
|
packed_header_param_buffer.has_emulation_bytes = 0;
|
|
packed_header_param_buffer.bit_length = length_in_bits;
|
|
va_status = vaCreateBuffer(ctx->va_dpy,
|
|
ctx->context_id,
|
|
VAEncPackedHeaderParameterBufferType,
|
|
sizeof(packed_header_param_buffer), 1, &packed_header_param_buffer,
|
|
&ctx->packed_seq_header_param_buf_id);
|
|
CHECK_VASTATUS(va_status,"vaCreateBuffer");
|
|
|
|
va_status = vaCreateBuffer(ctx->va_dpy,
|
|
ctx->context_id,
|
|
VAEncPackedHeaderDataBufferType,
|
|
(length_in_bits + 7) / 8, 1, packed_seq_buffer,
|
|
&ctx->packed_seq_buf_id);
|
|
CHECK_VASTATUS(va_status,"vaCreateBuffer");
|
|
|
|
free(packed_seq_buffer);
|
|
}
|
|
|
|
length_in_bits = build_packed_pic_buffer(&ctx->seq_param, &ctx->pic_param, &packed_pic_buffer);
|
|
packed_header_param_buffer.type = VAEncPackedHeaderMPEG2_PPS;
|
|
packed_header_param_buffer.has_emulation_bytes = 0;
|
|
packed_header_param_buffer.bit_length = length_in_bits;
|
|
|
|
va_status = vaCreateBuffer(ctx->va_dpy,
|
|
ctx->context_id,
|
|
VAEncPackedHeaderParameterBufferType,
|
|
sizeof(packed_header_param_buffer), 1, &packed_header_param_buffer,
|
|
&ctx->packed_pic_header_param_buf_id);
|
|
CHECK_VASTATUS(va_status,"vaCreateBuffer");
|
|
|
|
va_status = vaCreateBuffer(ctx->va_dpy,
|
|
ctx->context_id,
|
|
VAEncPackedHeaderDataBufferType,
|
|
(length_in_bits + 7) / 8, 1, packed_pic_buffer,
|
|
&ctx->packed_pic_buf_id);
|
|
CHECK_VASTATUS(va_status,"vaCreateBuffer");
|
|
|
|
free(packed_pic_buffer);
|
|
|
|
/* sequence parameter set */
|
|
VAEncSequenceParameterBufferMPEG2 *seq_param = &ctx->seq_param;
|
|
va_status = vaCreateBuffer(ctx->va_dpy,
|
|
ctx->context_id,
|
|
VAEncSequenceParameterBufferType,
|
|
sizeof(*seq_param),
|
|
1,
|
|
seq_param,
|
|
&ctx->seq_param_buf_id);
|
|
CHECK_VASTATUS(va_status,"vaCreateBuffer");;
|
|
|
|
/* slice parameter */
|
|
mpeg2enc_update_slice_parameter(ctx, picture_type);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mpeg2enc_render_picture(struct mpeg2enc_context *ctx)
|
|
{
|
|
VAStatus va_status;
|
|
VABufferID va_buffers[16];
|
|
unsigned int num_va_buffers = 0;
|
|
|
|
va_buffers[num_va_buffers++] = ctx->seq_param_buf_id;
|
|
va_buffers[num_va_buffers++] = ctx->pic_param_buf_id;
|
|
|
|
if (ctx->packed_seq_header_param_buf_id != VA_INVALID_ID)
|
|
va_buffers[num_va_buffers++] = ctx->packed_seq_header_param_buf_id;
|
|
|
|
if (ctx->packed_seq_buf_id != VA_INVALID_ID)
|
|
va_buffers[num_va_buffers++] = ctx->packed_seq_buf_id;
|
|
|
|
if (ctx->packed_pic_header_param_buf_id != VA_INVALID_ID)
|
|
va_buffers[num_va_buffers++] = ctx->packed_pic_header_param_buf_id;
|
|
|
|
if (ctx->packed_pic_buf_id != VA_INVALID_ID)
|
|
va_buffers[num_va_buffers++] = ctx->packed_pic_buf_id;
|
|
|
|
va_status = vaBeginPicture(ctx->va_dpy,
|
|
ctx->context_id,
|
|
surface_ids[ctx->current_input_surface]);
|
|
CHECK_VASTATUS(va_status,"vaBeginPicture");
|
|
|
|
va_status = vaRenderPicture(ctx->va_dpy,
|
|
ctx->context_id,
|
|
va_buffers,
|
|
num_va_buffers);
|
|
CHECK_VASTATUS(va_status,"vaRenderPicture");
|
|
|
|
va_status = vaRenderPicture(ctx->va_dpy,
|
|
ctx->context_id,
|
|
&ctx->slice_param_buf_id[0],
|
|
ctx->num_slice_groups);
|
|
CHECK_VASTATUS(va_status,"vaRenderPicture");
|
|
|
|
va_status = vaEndPicture(ctx->va_dpy, ctx->context_id);
|
|
CHECK_VASTATUS(va_status,"vaEndPicture");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mpeg2enc_destroy_buffers(struct mpeg2enc_context *ctx, 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(ctx->va_dpy, va_buffers[i]);
|
|
CHECK_VASTATUS(va_status,"vaDestroyBuffer");
|
|
va_buffers[i] = VA_INVALID_ID;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
end_picture(struct mpeg2enc_context *ctx, VAEncPictureType picture_type, int next_is_bpic)
|
|
{
|
|
VABufferID tempID;
|
|
|
|
/* Prepare for next picture */
|
|
tempID = surface_ids[SID_RECON_PICTURE];
|
|
|
|
if (picture_type != VAEncPictureTypeBidirectional) {
|
|
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;
|
|
}
|
|
}
|
|
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->seq_param_buf_id, 1);
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->pic_param_buf_id, 1);
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->packed_seq_header_param_buf_id, 1);
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->packed_seq_buf_id, 1);
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->packed_pic_header_param_buf_id, 1);
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->packed_pic_buf_id, 1);
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->slice_param_buf_id[0], ctx->num_slice_groups);
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->codedbuf_buf_id, 1);
|
|
memset(ctx->slice_param, 0, sizeof(ctx->slice_param));
|
|
ctx->num_slice_groups = 0;
|
|
}
|
|
|
|
static int
|
|
store_coded_buffer(struct mpeg2enc_context *ctx, VAEncPictureType picture_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(ctx->va_dpy, surface_ids[ctx->current_input_surface]);
|
|
CHECK_VASTATUS(va_status,"vaSyncSurface");
|
|
|
|
surface_status = 0;
|
|
va_status = vaQuerySurfaceStatus(ctx->va_dpy, surface_ids[ctx->current_input_surface], &surface_status);
|
|
CHECK_VASTATUS(va_status,"vaQuerySurfaceStatus");
|
|
|
|
va_status = vaMapBuffer(ctx->va_dpy, ctx->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 (picture_type == VAEncPictureTypeIntra)
|
|
ctx->codedbuf_i_size *= 2;
|
|
else
|
|
ctx->codedbuf_pb_size *= 2;
|
|
|
|
vaUnmapBuffer(ctx->va_dpy, ctx->codedbuf_buf_id);
|
|
return -1;
|
|
}
|
|
|
|
slice_data_length = coded_buffer_segment->size;
|
|
|
|
do {
|
|
w_items = fwrite(coded_mem, slice_data_length, 1, ctx->ofp);
|
|
} while (w_items != 1);
|
|
|
|
if (picture_type == VAEncPictureTypeIntra) {
|
|
if (ctx->codedbuf_i_size > slice_data_length * 3 / 2) {
|
|
ctx->codedbuf_i_size = slice_data_length * 3 / 2;
|
|
}
|
|
|
|
if (ctx->codedbuf_pb_size < slice_data_length) {
|
|
ctx->codedbuf_pb_size = slice_data_length;
|
|
}
|
|
} else {
|
|
if (ctx->codedbuf_pb_size > slice_data_length * 3 / 2) {
|
|
ctx->codedbuf_pb_size = slice_data_length * 3 / 2;
|
|
}
|
|
}
|
|
|
|
vaUnmapBuffer(ctx->va_dpy, ctx->codedbuf_buf_id);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
encode_picture(struct mpeg2enc_context *ctx,
|
|
int coded_order,
|
|
int display_order,
|
|
VAEncPictureType picture_type,
|
|
int next_is_bpic,
|
|
int next_display_order)
|
|
{
|
|
VAStatus va_status;
|
|
int ret = 0, codedbuf_size;
|
|
|
|
begin_picture(ctx, coded_order, display_order, picture_type);
|
|
|
|
if (1) {
|
|
/* upload YUV data to VA surface for next frame */
|
|
if (next_display_order >= ctx->num_pictures)
|
|
next_display_order = ctx->num_pictures - 1;
|
|
|
|
fseek(ctx->ifp, ctx->frame_size * next_display_order, SEEK_SET);
|
|
ctx->upload_thread_value = pthread_create(&ctx->upload_thread_id,
|
|
NULL,
|
|
upload_yuv_to_surface,
|
|
ctx);
|
|
}
|
|
|
|
do {
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->codedbuf_buf_id, 1);
|
|
mpeg2enc_destroy_buffers(ctx, &ctx->pic_param_buf_id, 1);
|
|
|
|
|
|
if (VAEncPictureTypeIntra == picture_type) {
|
|
codedbuf_size = ctx->codedbuf_i_size;
|
|
} else {
|
|
codedbuf_size = ctx->codedbuf_pb_size;
|
|
}
|
|
|
|
/* coded buffer */
|
|
va_status = vaCreateBuffer(ctx->va_dpy,
|
|
ctx->context_id,
|
|
VAEncCodedBufferType,
|
|
codedbuf_size, 1, NULL,
|
|
&ctx->codedbuf_buf_id);
|
|
CHECK_VASTATUS(va_status,"vaCreateBuffer");
|
|
|
|
/* picture parameter set */
|
|
mpeg2enc_update_picture_parameter_buffer(ctx, picture_type, coded_order, display_order);
|
|
|
|
mpeg2enc_render_picture(ctx);
|
|
|
|
ret = store_coded_buffer(ctx, picture_type);
|
|
} while (ret);
|
|
|
|
end_picture(ctx, picture_type, next_is_bpic);
|
|
}
|
|
|
|
static void
|
|
update_next_frame_info(struct mpeg2enc_context *ctx,
|
|
VAEncPictureType curr_type,
|
|
int curr_coded_order,
|
|
int curr_display_order)
|
|
{
|
|
if (((curr_coded_order + 1) % ctx->intra_period) == 0) {
|
|
ctx->next_type = VAEncPictureTypeIntra;
|
|
ctx->next_display_order = curr_coded_order + 1;
|
|
|
|
return;
|
|
}
|
|
|
|
if (curr_type == VAEncPictureTypeIntra) {
|
|
assert(curr_display_order == curr_coded_order);
|
|
ctx->next_type = VAEncPictureTypePredictive;
|
|
ctx->next_bframes = ctx->ip_period;
|
|
ctx->next_display_order = curr_display_order + ctx->next_bframes + 1;
|
|
} else if (curr_type == VAEncPictureTypePredictive) {
|
|
if (ctx->ip_period == 0) {
|
|
assert(curr_display_order == curr_coded_order);
|
|
ctx->next_type = VAEncPictureTypePredictive;
|
|
ctx->next_display_order = curr_display_order + 1;
|
|
} else {
|
|
ctx->next_type = VAEncPictureTypeBidirectional;
|
|
ctx->next_display_order = curr_display_order - ctx->next_bframes;
|
|
ctx->next_bframes--;
|
|
}
|
|
} else if (curr_type == VAEncPictureTypeBidirectional) {
|
|
if (ctx->next_bframes == 0) {
|
|
ctx->next_type = VAEncPictureTypePredictive;
|
|
ctx->next_bframes = ctx->ip_period;
|
|
ctx->next_display_order = curr_display_order + ctx->next_bframes + 2;
|
|
} else {
|
|
ctx->next_type = VAEncPictureTypeBidirectional;
|
|
ctx->next_display_order = curr_display_order + 1;
|
|
ctx->next_bframes--;
|
|
}
|
|
}
|
|
|
|
if (ctx->next_display_order >= ctx->num_pictures) {
|
|
int rtmp = ctx->next_display_order - (ctx->num_pictures - 1);
|
|
ctx->next_display_order = ctx->num_pictures - 1;
|
|
ctx->next_bframes -= rtmp;
|
|
}
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_run(struct mpeg2enc_context *ctx)
|
|
{
|
|
int display_order = 0, coded_order = 0;
|
|
VAEncPictureType type;
|
|
|
|
ctx->new_sequence = 1;
|
|
ctx->new_gop_header = 1;
|
|
ctx->gop_header_in_display_order = display_order;
|
|
|
|
while (coded_order < ctx->num_pictures) {
|
|
type = ctx->next_type;
|
|
display_order = ctx->next_display_order;
|
|
/* follow the IPBxxBPBxxB mode */
|
|
update_next_frame_info(ctx, type, coded_order, display_order);
|
|
encode_picture(ctx,
|
|
coded_order,
|
|
display_order,
|
|
type,
|
|
ctx->next_type == VAEncPictureTypeBidirectional,
|
|
ctx->next_display_order);
|
|
|
|
/* update gop_header */
|
|
ctx->new_sequence = 0;
|
|
ctx->new_gop_header = ctx->next_type == VAEncPictureTypeIntra;
|
|
|
|
if (ctx->new_gop_header)
|
|
ctx->gop_header_in_display_order += ctx->intra_period;
|
|
|
|
coded_order++;
|
|
|
|
fprintf(stderr, "\r %d/%d ...", coded_order, ctx->num_pictures);
|
|
fflush(stdout);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* end
|
|
*/
|
|
static void
|
|
mpeg2enc_release_va_resources(struct mpeg2enc_context *ctx)
|
|
{
|
|
vaDestroySurfaces(ctx->va_dpy, surface_ids, SID_NUMBER);
|
|
vaDestroyContext(ctx->va_dpy, ctx->context_id);
|
|
vaDestroyConfig(ctx->va_dpy, ctx->config_id);
|
|
vaTerminate(ctx->va_dpy);
|
|
va_close_display(ctx->va_dpy);
|
|
}
|
|
|
|
static void
|
|
mpeg2enc_end(struct mpeg2enc_context *ctx)
|
|
{
|
|
pthread_join(ctx->upload_thread_id, NULL);
|
|
mpeg2enc_release_va_resources(ctx);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct mpeg2enc_context ctx;
|
|
struct timeval tpstart, tpend;
|
|
float timeuse;
|
|
|
|
gettimeofday(&tpstart, NULL);
|
|
|
|
memset(&ctx, 0, sizeof(ctx));
|
|
parse_args(&ctx, argc, argv);
|
|
mpeg2enc_init(&ctx);
|
|
mpeg2enc_run(&ctx);
|
|
mpeg2enc_end(&ctx);
|
|
|
|
gettimeofday(&tpend, NULL);
|
|
timeuse = 1000000 * (tpend.tv_sec - tpstart.tv_sec) + tpend.tv_usec - tpstart.tv_usec;
|
|
timeuse /= 1000000;
|
|
fprintf(stderr, "\ndone!\n");
|
|
fprintf(stderr, "encode %d frames in %f secondes, FPS is %.1f\n", ctx.num_pictures, timeuse, ctx.num_pictures / timeuse);
|
|
|
|
mpeg2enc_exit(&ctx, 0);
|
|
|
|
return 0;
|
|
}
|