| /* |
| * Copyright (c) 2010 The VP8 project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| |
| /* |
| @*INTRODUCTION |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <string.h> |
| #define VPX_CODEC_DISABLE_COMPAT 1 |
| #include "vpx/vpx_encoder.h" |
| #include "vpx/vp8cx.h" |
| #define interface (&vpx_codec_vp8_cx_algo) |
| #define fourcc 0x30385056 |
| @EXTRA_INCLUDES |
| |
| #define IVF_FILE_HDR_SZ (32) |
| #define IVF_FRAME_HDR_SZ (12) |
| |
| static void mem_put_le16(char *mem, unsigned int val) { |
| mem[0] = val; |
| mem[1] = val>>8; |
| } |
| |
| static void mem_put_le32(char *mem, unsigned int val) { |
| mem[0] = val; |
| mem[1] = val>>8; |
| mem[2] = val>>16; |
| mem[3] = val>>24; |
| } |
| |
| static void die(const char *fmt, ...) { |
| va_list ap; |
| |
| va_start(ap, fmt); |
| vprintf(fmt, ap); |
| if(fmt[strlen(fmt)-1] != '\n') |
| printf("\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| @DIE_CODEC |
| |
| static int read_frame(FILE *f, vpx_image_t *img) { |
| size_t nbytes, to_read; |
| int res = 1; |
| |
| to_read = img->w*img->h*3/2; |
| nbytes = fread(img->planes[0], 1, to_read, f); |
| if(nbytes != to_read) { |
| res = 0; |
| if(nbytes > 0) |
| printf("Warning: Read partial frame. Check your width & height!\n"); |
| } |
| return res; |
| } |
| |
| static void write_ivf_file_header(FILE *outfile, |
| const vpx_codec_enc_cfg_t *cfg, |
| int frame_cnt) { |
| char header[32]; |
| |
| if(cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS) |
| return; |
| header[0] = 'D'; |
| header[1] = 'K'; |
| header[2] = 'I'; |
| header[3] = 'F'; |
| mem_put_le16(header+4, 0); /* version */ |
| mem_put_le16(header+6, 32); /* headersize */ |
| mem_put_le32(header+8, fourcc); /* headersize */ |
| mem_put_le16(header+12, cfg->g_w); /* width */ |
| mem_put_le16(header+14, cfg->g_h); /* height */ |
| mem_put_le32(header+16, cfg->g_timebase.den); /* rate */ |
| mem_put_le32(header+20, cfg->g_timebase.num); /* scale */ |
| mem_put_le32(header+24, frame_cnt); /* length */ |
| mem_put_le32(header+28, 0); /* unused */ |
| |
| fwrite(header, 1, 32, outfile); |
| } |
| |
| |
| static void write_ivf_frame_header(FILE *outfile, |
| const vpx_codec_cx_pkt_t *pkt) |
| { |
| char header[12]; |
| vpx_codec_pts_t pts; |
| |
| if(pkt->kind != VPX_CODEC_CX_FRAME_PKT) |
| return; |
| |
| pts = pkt->data.frame.pts; |
| mem_put_le32(header, pkt->data.frame.sz); |
| mem_put_le32(header+4, pts&0xFFFFFFFF); |
| mem_put_le32(header+8, pts >> 32); |
| |
| fwrite(header, 1, 12, outfile); |
| } |
| |
| int main(int argc, char **argv) { |
| FILE *infile, *outfile; |
| vpx_codec_ctx_t codec; |
| vpx_codec_enc_cfg_t cfg; |
| int frame_cnt = 0; |
| unsigned char file_hdr[IVF_FILE_HDR_SZ]; |
| unsigned char frame_hdr[IVF_FRAME_HDR_SZ]; |
| vpx_image_t raw; |
| vpx_codec_err_t res; |
| long width; |
| long height; |
| int frame_avail; |
| int got_data; |
| int flags = 0; |
| @@@@TWOPASS_VARS |
| |
| /* Open files */ |
| @@@@USAGE |
| width = strtol(argv[1], NULL, 0); |
| height = strtol(argv[2], NULL, 0); |
| if(width < 16 || width%2 || height <16 || height%2) |
| die("Invalid resolution: %ldx%ld", width, height); |
| if(!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, width, height, 1)) |
| die("Faile to allocate image", width, height); |
| if(!(outfile = fopen(argv[4], "wb"))) |
| die("Failed to open %s for writing", argv[4]); |
| |
| printf("Using %s\n",vpx_codec_iface_name(interface)); |
| |
| @@@@ENC_DEF_CFG |
| |
| @@@@ENC_SET_CFG |
| @@@@ENC_SET_CFG2 |
| |
| write_ivf_file_header(outfile, &cfg, 0); |
| |
| @@@@TWOPASS_LOOP_BEGIN |
| |
| /* Open input file for this encoding pass */ |
| if(!(infile = fopen(argv[3], "rb"))) |
| die("Failed to open %s for reading", argv[3]); |
| |
| @@@@@@@@ENC_INIT |
| |
| frame_avail = 1; |
| got_data = 0; |
| while(frame_avail || got_data) { |
| vpx_codec_iter_t iter = NULL; |
| const vpx_codec_cx_pkt_t *pkt; |
| |
| @@@@@@@@@@@@PER_FRAME_CFG |
| @@@@@@@@@@@@ENCODE_FRAME |
| got_data = 0; |
| while( (pkt = vpx_codec_get_cx_data(&codec, &iter)) ) { |
| got_data = 1; |
| switch(pkt->kind) { |
| @@@@@@@@@@@@@@@@PROCESS_FRAME |
| @@@@@@@@@@@@@@@@PROCESS_STATS |
| default: |
| break; |
| } |
| printf(pkt->kind == VPX_CODEC_CX_FRAME_PKT |
| && (pkt->data.frame.flags & VPX_FRAME_IS_KEY)? "K":"."); |
| fflush(stdout); |
| } |
| frame_cnt++; |
| } |
| printf("\n"); |
| fclose(infile); |
| @@@@TWOPASS_LOOP_END |
| |
| printf("Processed %d frames.\n",frame_cnt-1); |
| @@@@DESTROY |
| |
| /* Try to rewrite the file header with the actual frame count */ |
| if(!fseek(outfile, 0, SEEK_SET)) |
| write_ivf_file_header(outfile, &cfg, frame_cnt-1); |
| fclose(outfile); |
| return EXIT_SUCCESS; |
| } |