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Unified Diff: source/libvpx/vp8_scalable_patterns.c

Issue 168343002: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: libvpx: Pull from upstream Created 6 years, 10 months ago
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Index: source/libvpx/vp8_scalable_patterns.c
===================================================================
--- source/libvpx/vp8_scalable_patterns.c (revision 251189)
+++ source/libvpx/vp8_scalable_patterns.c (working copy)
@@ -1,694 +0,0 @@
-/*
- * Copyright (c) 2012 The WebM 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.
- */
-
-
-/*
- * This is an example demonstrating how to implement a multi-layer VP8
- * encoding scheme based on temporal scalability for video applications
- * that benefit from a scalable bitstream.
- */
-#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())
-#define fourcc 0x30385056
-
-#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);
-}
-
-static void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
- const char *detail = vpx_codec_error_detail(ctx);
-
- printf("%s: %s\n", s, vpx_codec_error(ctx));
- if(detail)
- printf(" %s\n",detail);
- exit(EXIT_FAILURE);
-}
-
-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 */
-
- (void) 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);
-
- (void) fwrite(header, 1, 12, outfile);
-}
-
-static int mode_to_num_layers[12] = {1, 2, 2, 3, 3, 3, 3, 5, 2, 3, 3, 3};
-
-int main(int argc, char **argv) {
- FILE *infile, *outfile[VPX_TS_MAX_LAYERS];
- vpx_codec_ctx_t codec;
- vpx_codec_enc_cfg_t cfg;
- int frame_cnt = 0;
- vpx_image_t raw;
- vpx_codec_err_t res;
- unsigned int width;
- unsigned int height;
- int frame_avail;
- int got_data;
- int flags = 0;
- int i;
- int pts = 0; /* PTS starts at 0 */
- int frame_duration = 1; /* 1 timebase tick per frame */
-
- int layering_mode = 0;
- int frames_in_layer[VPX_TS_MAX_LAYERS] = {0};
- int layer_flags[VPX_TS_MAX_PERIODICITY] = {0};
- int flag_periodicity;
- int max_intra_size_pct;
-
- /* Check usage and arguments */
- if (argc < 9)
- die("Usage: %s <infile> <outfile> <width> <height> <rate_num> "
- " <rate_den> <mode> <Rate_0> ... <Rate_nlayers-1>\n", argv[0]);
-
- width = strtol (argv[3], NULL, 0);
- height = strtol (argv[4], NULL, 0);
- if (width < 16 || width%2 || height <16 || height%2)
- die ("Invalid resolution: %d x %d", width, height);
-
- if (!sscanf(argv[7], "%d", &layering_mode))
- die ("Invalid mode %s", argv[7]);
- if (layering_mode<0 || layering_mode>11)
- die ("Invalid mode (0..11) %s", argv[7]);
-
- if (argc != 8+mode_to_num_layers[layering_mode])
- die ("Invalid number of arguments");
-
- if (!vpx_img_alloc (&raw, VPX_IMG_FMT_I420, width, height, 32))
- die ("Failed to allocate image", width, height);
-
- printf("Using %s\n",vpx_codec_iface_name(interface));
-
- /* Populate encoder configuration */
- res = vpx_codec_enc_config_default(interface, &cfg, 0);
- if(res) {
- printf("Failed to get config: %s\n", vpx_codec_err_to_string(res));
- return EXIT_FAILURE;
- }
-
- /* Update the default configuration with our settings */
- cfg.g_w = width;
- cfg.g_h = height;
-
- /* Timebase format e.g. 30fps: numerator=1, demoninator=30 */
- if (!sscanf (argv[5], "%d", &cfg.g_timebase.num ))
- die ("Invalid timebase numerator %s", argv[5]);
- if (!sscanf (argv[6], "%d", &cfg.g_timebase.den ))
- die ("Invalid timebase denominator %s", argv[6]);
-
- for (i=8; i<8+mode_to_num_layers[layering_mode]; i++)
- if (!sscanf(argv[i], "%ud", &cfg.ts_target_bitrate[i-8]))
- die ("Invalid data rate %s", argv[i]);
-
- /* Real time parameters */
- cfg.rc_dropframe_thresh = 0;
- cfg.rc_end_usage = VPX_CBR;
- cfg.rc_resize_allowed = 0;
- cfg.rc_min_quantizer = 2;
- cfg.rc_max_quantizer = 56;
- cfg.rc_undershoot_pct = 100;
- cfg.rc_overshoot_pct = 15;
- cfg.rc_buf_initial_sz = 500;
- cfg.rc_buf_optimal_sz = 600;
- cfg.rc_buf_sz = 1000;
-
- /* Enable error resilient mode */
- cfg.g_error_resilient = 1;
- cfg.g_lag_in_frames = 0;
- cfg.kf_mode = VPX_KF_DISABLED;
-
- /* Disable automatic keyframe placement */
- cfg.kf_min_dist = cfg.kf_max_dist = 3000;
-
- /* Default setting for bitrate: used in special case of 1 layer (case 0). */
- cfg.rc_target_bitrate = cfg.ts_target_bitrate[0];
-
- /* Temporal scaling parameters: */
- /* NOTE: The 3 prediction frames cannot be used interchangeably due to
- * differences in the way they are handled throughout the code. The
- * frames should be allocated to layers in the order LAST, GF, ARF.
- * Other combinations work, but may produce slightly inferior results.
- */
- switch (layering_mode)
- {
- case 0:
- {
- /* 1-layer */
- int ids[1] = {0};
- cfg.ts_number_layers = 1;
- cfg.ts_periodicity = 1;
- cfg.ts_rate_decimator[0] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = cfg.ts_periodicity;
-
- // Update L only.
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- break;
- }
- case 1:
- {
- /* 2-layers, 2-frame period */
- int ids[2] = {0,1};
- cfg.ts_number_layers = 2;
- cfg.ts_periodicity = 2;
- cfg.ts_rate_decimator[0] = 2;
- cfg.ts_rate_decimator[1] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = cfg.ts_periodicity;
-#if 1
- /* 0=L, 1=GF, Intra-layer prediction enabled */
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF;
- layer_flags[1] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_REF_ARF;
-#else
- /* 0=L, 1=GF, Intra-layer prediction disabled */
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF;
- layer_flags[1] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_REF_LAST;
-#endif
- break;
- }
-
- case 2:
- {
- /* 2-layers, 3-frame period */
- int ids[3] = {0,1,1};
- cfg.ts_number_layers = 2;
- cfg.ts_periodicity = 3;
- cfg.ts_rate_decimator[0] = 3;
- cfg.ts_rate_decimator[1] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = cfg.ts_periodicity;
-
- /* 0=L, 1=GF, Intra-layer prediction enabled */
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[1] =
- layer_flags[2] = VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST;
- break;
- }
-
- case 3:
- {
- /* 3-layers, 6-frame period */
- int ids[6] = {0,2,2,1,2,2};
- cfg.ts_number_layers = 3;
- cfg.ts_periodicity = 6;
- cfg.ts_rate_decimator[0] = 6;
- cfg.ts_rate_decimator[1] = 3;
- cfg.ts_rate_decimator[2] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = cfg.ts_periodicity;
-
- /* 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled */
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[3] = VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST;
- layer_flags[1] =
- layer_flags[2] =
- layer_flags[4] =
- layer_flags[5] = VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_LAST;
- break;
- }
-
- case 4:
- {
- /* 3-layers, 4-frame period */
- int ids[4] = {0,2,1,2};
- cfg.ts_number_layers = 3;
- cfg.ts_periodicity = 4;
- cfg.ts_rate_decimator[0] = 4;
- cfg.ts_rate_decimator[1] = 2;
- cfg.ts_rate_decimator[2] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = cfg.ts_periodicity;
-
- /* 0=L, 1=GF, 2=ARF, Intra-layer prediction disabled */
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST;
- layer_flags[1] =
- layer_flags[3] = VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF;
- break;
- }
-
- case 5:
- {
- /* 3-layers, 4-frame period */
- int ids[4] = {0,2,1,2};
- cfg.ts_number_layers = 3;
- cfg.ts_periodicity = 4;
- cfg.ts_rate_decimator[0] = 4;
- cfg.ts_rate_decimator[1] = 2;
- cfg.ts_rate_decimator[2] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = cfg.ts_periodicity;
-
- /* 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled in layer 1,
- * disabled in layer 2
- */
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[2] = VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[1] =
- layer_flags[3] = VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF;
- break;
- }
-
- case 6:
- {
- /* 3-layers, 4-frame period */
- int ids[4] = {0,2,1,2};
- cfg.ts_number_layers = 3;
- cfg.ts_periodicity = 4;
- cfg.ts_rate_decimator[0] = 4;
- cfg.ts_rate_decimator[1] = 2;
- cfg.ts_rate_decimator[2] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = cfg.ts_periodicity;
-
- /* 0=L, 1=GF, 2=ARF, Intra-layer prediction enabled */
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[2] = VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[1] =
- layer_flags[3] = VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
- break;
- }
-
- case 7:
- {
- /* NOTE: Probably of academic interest only */
-
- /* 5-layers, 16-frame period */
- int ids[16] = {0,4,3,4,2,4,3,4,1,4,3,4,2,4,3,4};
- cfg.ts_number_layers = 5;
- cfg.ts_periodicity = 16;
- cfg.ts_rate_decimator[0] = 16;
- cfg.ts_rate_decimator[1] = 8;
- cfg.ts_rate_decimator[2] = 4;
- cfg.ts_rate_decimator[3] = 2;
- cfg.ts_rate_decimator[4] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = cfg.ts_periodicity;
-
- layer_flags[0] = VPX_EFLAG_FORCE_KF;
- layer_flags[1] =
- layer_flags[3] =
- layer_flags[5] =
- layer_flags[7] =
- layer_flags[9] =
- layer_flags[11] =
- layer_flags[13] =
- layer_flags[15] = VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF;
- layer_flags[2] =
- layer_flags[6] =
- layer_flags[10] =
- layer_flags[14] = VP8_EFLAG_NO_UPD_ARF | VP8_EFLAG_NO_UPD_GF;
- layer_flags[4] =
- layer_flags[12] = VP8_EFLAG_NO_REF_LAST |
- VP8_EFLAG_NO_UPD_ARF;
- layer_flags[8] = VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF;
- break;
- }
-
- case 8:
- {
- /* 2-layers, with sync point at first frame of layer 1. */
- int ids[2] = {0,1};
- cfg.ts_number_layers = 2;
- cfg.ts_periodicity = 2;
- cfg.ts_rate_decimator[0] = 2;
- cfg.ts_rate_decimator[1] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = 8;
-
- /* 0=L, 1=GF */
- // ARF is used as predictor for all frames, and is only updated on
- // key frame. Sync point every 8 frames.
-
- // Layer 0: predict from L and ARF, update L and G.
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_UPD_ARF;
-
- // Layer 1: sync point: predict from L and ARF, and update G.
- layer_flags[1] = VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ARF;
-
- // Layer 0, predict from L and ARF, update L.
- layer_flags[2] = VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF;
-
- // Layer 1: predict from L, G and ARF, and update G.
- layer_flags[3] = VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ENTROPY;
-
- // Layer 0
- layer_flags[4] = layer_flags[2];
-
- // Layer 1
- layer_flags[5] = layer_flags[3];
-
- // Layer 0
- layer_flags[6] = layer_flags[4];
-
- // Layer 1
- layer_flags[7] = layer_flags[5];
- break;
- }
-
- case 9:
- {
- /* 3-layers */
- // Sync points for layer 1 and 2 every 8 frames.
-
- int ids[4] = {0,2,1,2};
- cfg.ts_number_layers = 3;
- cfg.ts_periodicity = 4;
- cfg.ts_rate_decimator[0] = 4;
- cfg.ts_rate_decimator[1] = 2;
- cfg.ts_rate_decimator[2] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = 8;
-
- /* 0=L, 1=GF, 2=ARF */
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[1] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
- layer_flags[2] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[3] =
- layer_flags[5] = VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF;
- layer_flags[4] = VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[6] = VP8_EFLAG_NO_REF_ARF |
- VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_ARF;
- layer_flags[7] = VP8_EFLAG_NO_UPD_LAST | VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_ENTROPY;
- break;
- }
- case 10:
- {
- // 3-layers structure where ARF is used as predictor for all frames,
- // and is only updated on key frame.
- // Sync points for layer 1 and 2 every 8 frames.
-
- int ids[4] = {0,2,1,2};
- cfg.ts_number_layers = 3;
- cfg.ts_periodicity = 4;
- cfg.ts_rate_decimator[0] = 4;
- cfg.ts_rate_decimator[1] = 2;
- cfg.ts_rate_decimator[2] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = 8;
-
- /* 0=L, 1=GF, 2=ARF */
-
- // Layer 0: predict from L and ARF; update L and G.
- layer_flags[0] = VPX_EFLAG_FORCE_KF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_REF_GF;
-
- // Layer 2: sync point: predict from L and ARF; update none.
- layer_flags[1] = VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ENTROPY;
-
- // Layer 1: sync point: predict from L and ARF; update G.
- layer_flags[2] = VP8_EFLAG_NO_REF_GF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST;
-
- // Layer 2: predict from L, G, ARF; update none.
- layer_flags[3] = VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ENTROPY;
-
- // Layer 0: predict from L and ARF; update L.
- layer_flags[4] = VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_REF_GF;
-
- // Layer 2: predict from L, G, ARF; update none.
- layer_flags[5] = layer_flags[3];
-
- // Layer 1: predict from L, G, ARF; update G.
- layer_flags[6] = VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST;
-
- // Layer 2: predict from L, G, ARF; update none.
- layer_flags[7] = layer_flags[3];
- break;
- }
- case 11:
- default:
- {
- // 3-layers structure as in case 10, but no sync/refresh points for
- // layer 1 and 2.
-
- int ids[4] = {0,2,1,2};
- cfg.ts_number_layers = 3;
- cfg.ts_periodicity = 4;
- cfg.ts_rate_decimator[0] = 4;
- cfg.ts_rate_decimator[1] = 2;
- cfg.ts_rate_decimator[2] = 1;
- memcpy(cfg.ts_layer_id, ids, sizeof(ids));
-
- flag_periodicity = 8;
-
- /* 0=L, 1=GF, 2=ARF */
-
- // Layer 0: predict from L and ARF; update L.
- layer_flags[0] = VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_REF_GF;
- layer_flags[4] = layer_flags[0];
-
- // Layer 1: predict from L, G, ARF; update G.
- layer_flags[2] = VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST;
- layer_flags[6] = layer_flags[2];
-
- // Layer 2: predict from L, G, ARF; update none.
- layer_flags[1] = VP8_EFLAG_NO_UPD_GF |
- VP8_EFLAG_NO_UPD_ARF |
- VP8_EFLAG_NO_UPD_LAST |
- VP8_EFLAG_NO_UPD_ENTROPY;
- layer_flags[3] = layer_flags[1];
- layer_flags[5] = layer_flags[1];
- layer_flags[7] = layer_flags[1];
- break;
- }
- }
-
- /* Open input file */
- if(!(infile = fopen(argv[1], "rb")))
- die("Failed to open %s for reading", argv[1]);
-
- /* Open an output file for each stream */
- for (i=0; i<cfg.ts_number_layers; i++)
- {
- char file_name[512];
- sprintf (file_name, "%s_%d.ivf", argv[2], i);
- if (!(outfile[i] = fopen(file_name, "wb")))
- die("Failed to open %s for writing", file_name);
- write_ivf_file_header(outfile[i], &cfg, 0);
- }
-
- /* Initialize codec */
- if (vpx_codec_enc_init (&codec, interface, &cfg, 0))
- die_codec (&codec, "Failed to initialize encoder");
-
- /* Cap CPU & first I-frame size */
- vpx_codec_control (&codec, VP8E_SET_CPUUSED, -6);
- vpx_codec_control (&codec, VP8E_SET_STATIC_THRESHOLD, 1);
- vpx_codec_control (&codec, VP8E_SET_NOISE_SENSITIVITY, 1);
- vpx_codec_control(&codec, VP8E_SET_TOKEN_PARTITIONS, 1);
-
- max_intra_size_pct = (int) (((double)cfg.rc_buf_optimal_sz * 0.5)
- * ((double) cfg.g_timebase.den / cfg.g_timebase.num)
- / 10.0);
- /* printf ("max_intra_size_pct=%d\n", max_intra_size_pct); */
-
- vpx_codec_control(&codec, VP8E_SET_MAX_INTRA_BITRATE_PCT,
- max_intra_size_pct);
-
- frame_avail = 1;
- while (frame_avail || got_data) {
- vpx_codec_iter_t iter = NULL;
- const vpx_codec_cx_pkt_t *pkt;
-
- flags = layer_flags[frame_cnt % flag_periodicity];
-
- frame_avail = read_frame(infile, &raw);
- if (vpx_codec_encode(&codec, frame_avail? &raw : NULL, pts,
- 1, flags, VPX_DL_REALTIME))
- die_codec(&codec, "Failed to encode frame");
-
- /* Reset KF flag */
- if (layering_mode != 7)
- layer_flags[0] &= ~VPX_EFLAG_FORCE_KF;
-
- got_data = 0;
- while ( (pkt = vpx_codec_get_cx_data(&codec, &iter)) ) {
- got_data = 1;
- switch (pkt->kind) {
- case VPX_CODEC_CX_FRAME_PKT:
- for (i=cfg.ts_layer_id[frame_cnt % cfg.ts_periodicity];
- i<cfg.ts_number_layers; i++)
- {
- write_ivf_frame_header(outfile[i], pkt);
- (void) fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz,
- outfile[i]);
- frames_in_layer[i]++;
- }
- break;
- default:
- break;
- }
- }
- frame_cnt++;
- pts += frame_duration;
- }
- fclose (infile);
-
- printf ("Processed %d frames.\n",frame_cnt-1);
- if (vpx_codec_destroy(&codec))
- die_codec (&codec, "Failed to destroy codec");
-
- /* Try to rewrite the output file headers with the actual frame count */
- for (i=0; i<cfg.ts_number_layers; i++)
- {
- if (!fseek(outfile[i], 0, SEEK_SET))
- write_ivf_file_header (outfile[i], &cfg, frames_in_layer[i]);
- fclose (outfile[i]);
- }
-
- return EXIT_SUCCESS;
-}
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