libvpx: Pull from upstream

source/libvpx/examples/vp9_spatial_svc_encoder.c

 /*
  *  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.
  */
 
@@ skipping 28 matching lines @@
 static const arg_def_t bitrate_arg = ARG_DEF(
     "b", "target-bitrate", 1, "encoding bitrate, in kilobits per second");
 static const arg_def_t spatial_layers_arg =
     ARG_DEF("sl", "spatial-layers", 1, "number of spatial SVC layers");
 static const arg_def_t temporal_layers_arg =
     ARG_DEF("tl", "temporal-layers", 1, "number of temporal SVC layers");
 static const arg_def_t kf_dist_arg =
     ARG_DEF("k", "kf-dist", 1, "number of frames between keyframes");
 static const arg_def_t scale_factors_arg =
     ARG_DEF("r", "scale-factors", 1, "scale factors (lowest to highest layer)");
-static const arg_def_t quantizers_arg =
-    ARG_DEF("q", "quantizers", 1, "quantizers for non key frames, also will "
-            "be applied to key frames if -qn is not specified (lowest to "
-            "highest layer)");
 static const arg_def_t passes_arg =
     ARG_DEF("p", "passes", 1, "Number of passes (1/2)");
 static const arg_def_t pass_arg =
     ARG_DEF(NULL, "pass", 1, "Pass to execute (1/2)");
 static const arg_def_t fpf_name_arg =
     ARG_DEF(NULL, "fpf", 1, "First pass statistics file name");
 static const arg_def_t min_q_arg =
     ARG_DEF(NULL, "min-q", 1, "Minimum quantizer");
 static const arg_def_t max_q_arg =
     ARG_DEF(NULL, "max-q", 1, "Maximum quantizer");
 static const arg_def_t min_bitrate_arg =
     ARG_DEF(NULL, "min-bitrate", 1, "Minimum bitrate");
 static const arg_def_t max_bitrate_arg =
     ARG_DEF(NULL, "max-bitrate", 1, "Maximum bitrate");
 
 static const arg_def_t *svc_args[] = {
   &frames_arg,        &width_arg,         &height_arg,
   &timebase_arg,      &bitrate_arg,       &skip_frames_arg, &spatial_layers_arg,
-  &kf_dist_arg,       &scale_factors_arg, &quantizers_arg,  &passes_arg,
-  &pass_arg,          &fpf_name_arg,      &min_q_arg,       &max_q_arg,
-  &min_bitrate_arg,   &max_bitrate_arg,   &temporal_layers_arg,
-  NULL
+  &kf_dist_arg,       &scale_factors_arg, &passes_arg,      &pass_arg,
+  &fpf_name_arg,      &min_q_arg,         &max_q_arg,       &min_bitrate_arg,
+  &max_bitrate_arg,   &temporal_layers_arg,                 NULL
 };
 
 static const uint32_t default_frames_to_skip = 0;
 static const uint32_t default_frames_to_code = 60 * 60;
 static const uint32_t default_width = 1920;
 static const uint32_t default_height = 1080;
 static const uint32_t default_timebase_num = 1;
 static const uint32_t default_timebase_den = 60;
 static const uint32_t default_bitrate = 1000;
 static const uint32_t default_spatial_layers = 5;
@@ skipping 27 matching lines @@
   struct arg arg = {0};
   char **argv = NULL;
   char **argi = NULL;
   char **argj = NULL;
   vpx_codec_err_t res;
   int passes = 0;
   int pass = 0;
   const char *fpf_file_name = NULL;
   unsigned int min_bitrate = 0;
   unsigned int max_bitrate = 0;
+  char string_options[1024] = {0};
 
   // initialize SvcContext with parameters that will be passed to vpx_svc_init
   svc_ctx->log_level = SVC_LOG_DEBUG;
   svc_ctx->spatial_layers = default_spatial_layers;
   svc_ctx->temporal_layers = default_temporal_layers;
 
   // start with default encoder configuration
   res = vpx_codec_enc_config_default(vpx_codec_vp9_cx(), enc_cfg, 0);
   if (res) {
     die("Failed to get config: %s\n", vpx_codec_err_to_string(res));
@@ skipping 30 matching lines @@
     } else if (arg_match(&arg, &skip_frames_arg, argi)) {
       app_input->frames_to_skip = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &spatial_layers_arg, argi)) {
       svc_ctx->spatial_layers = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &temporal_layers_arg, argi)) {
       svc_ctx->temporal_layers = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &kf_dist_arg, argi)) {
       enc_cfg->kf_min_dist = arg_parse_uint(&arg);
       enc_cfg->kf_max_dist = enc_cfg->kf_min_dist;
     } else if (arg_match(&arg, &scale_factors_arg, argi)) {
-      vpx_svc_set_scale_factors(svc_ctx, arg.val);
-    } else if (arg_match(&arg, &quantizers_arg, argi)) {
-      vpx_svc_set_quantizers(svc_ctx, arg.val);
+      snprintf(string_options, 1024, "%s scale-factors=%s",
+               string_options, arg.val);
     } else if (arg_match(&arg, &passes_arg, argi)) {
       passes = arg_parse_uint(&arg);
       if (passes < 1 || passes > 2) {
         die("Error: Invalid number of passes (%d)\n", passes);
       }
     } else if (arg_match(&arg, &pass_arg, argi)) {
       pass = arg_parse_uint(&arg);
       if (pass < 1 || pass > 2) {
         die("Error: Invalid pass selected (%d)\n", pass);
       }
     } else if (arg_match(&arg, &fpf_name_arg, argi)) {
       fpf_file_name = arg.val;
     } else if (arg_match(&arg, &min_q_arg, argi)) {
-      enc_cfg->rc_min_quantizer = arg_parse_uint(&arg);
+      snprintf(string_options, 1024, "%s min-quantizers=%s",
+               string_options, arg.val);
     } else if (arg_match(&arg, &max_q_arg, argi)) {
-      enc_cfg->rc_max_quantizer = arg_parse_uint(&arg);
+      snprintf(string_options, 1024, "%s max-quantizers=%s",
+               string_options, arg.val);
     } else if (arg_match(&arg, &min_bitrate_arg, argi)) {
       min_bitrate = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &max_bitrate_arg, argi)) {
       max_bitrate = arg_parse_uint(&arg);
     } else {
       ++argj;
     }
   }
 
+  // There will be a space in front of the string options
+  if (strlen(string_options) > 0)
+    vpx_svc_set_options(svc_ctx, string_options + 1);
+
   if (passes == 0 || passes == 1) {
     if (pass) {
       fprintf(stderr, "pass is ignored since there's only one pass\n");
     }
     enc_cfg->g_pass = VPX_RC_ONE_PASS;
   } else {
     if (pass == 0) {
       die("pass must be specified when passes is 2\n");
     }
 
@@ skipping 65 matching lines @@
   vpx_codec_enc_cfg_t enc_cfg;
   SvcContext svc_ctx;
   uint32_t i;
   uint32_t frame_cnt = 0;
   vpx_image_t raw;
   vpx_codec_err_t res;
   int pts = 0;            /* PTS starts at 0 */
   int frame_duration = 1; /* 1 timebase tick per frame */
   FILE *infile = NULL;
   int end_of_stream = 0;
-  int frame_size;
+  int frames_received = 0;
 
   memset(&svc_ctx, 0, sizeof(svc_ctx));
   svc_ctx.log_print = 1;
   exec_name = argv[0];
   parse_command_line(argc, argv, &app_input, &svc_ctx, &enc_cfg);
 
   // Allocate image buffer
   if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, enc_cfg.g_w, enc_cfg.g_h, 32))
     die("Failed to allocate image %dx%d\n", enc_cfg.g_w, enc_cfg.g_h);
 
   if (!(infile = fopen(app_input.input_filename, "rb")))
     die("Failed to open %s for reading\n", app_input.input_filename);
 
   // Initialize codec
   if (vpx_svc_init(&svc_ctx, &codec, vpx_codec_vp9_cx(), &enc_cfg) !=
       VPX_CODEC_OK)
     die("Failed to initialize encoder\n");
 
   info.codec_fourcc = VP9_FOURCC;
   info.time_base.numerator = enc_cfg.g_timebase.num;
   info.time_base.denominator = enc_cfg.g_timebase.den;
-  if (vpx_svc_get_layer_resolution(&svc_ctx, svc_ctx.spatial_layers - 1,
-                                   (unsigned int *)&info.frame_width,
-                                   (unsigned int *)&info.frame_height) !=
-      VPX_CODEC_OK) {
-    die("Failed to get output resolution");
-  }
 
   if (!(app_input.passes == 2 && app_input.pass == 1)) {
     // We don't save the bitstream for the 1st pass on two pass rate control
     writer = vpx_video_writer_open(app_input.output_filename, kContainerIVF,
                                    &info);
     if (!writer)
       die("Failed to open %s for writing\n", app_input.output_filename);
   }
 
   // skip initial frames
   for (i = 0; i < app_input.frames_to_skip; ++i)
     vpx_img_read(&raw, infile);
 
   // Encode frames
   while (!end_of_stream) {
+    vpx_codec_iter_t iter = NULL;
+    const vpx_codec_cx_pkt_t *cx_pkt;
     if (frame_cnt >= app_input.frames_to_code || !vpx_img_read(&raw, infile)) {
       // We need one extra vpx_svc_encode call at end of stream to flush
       // encoder and get remaining data
       end_of_stream = 1;
     }
 
     res = vpx_svc_encode(&svc_ctx, &codec, (end_of_stream ? NULL : &raw),
                          pts, frame_duration, VPX_DL_GOOD_QUALITY);
     printf("%s", vpx_svc_get_message(&svc_ctx));
     if (res != VPX_CODEC_OK) {
       die_codec(&codec, "Failed to encode frame");
     }
-    if (!(app_input.passes == 2 && app_input.pass == 1)) {
-      while ((frame_size = vpx_svc_get_frame_size(&svc_ctx)) > 0) {
-        vpx_video_writer_write_frame(writer,
-                                     vpx_svc_get_buffer(&svc_ctx),
-                                     frame_size, pts);
+
+    while ((cx_pkt = vpx_codec_get_cx_data(&codec, &iter)) != NULL) {
+      switch (cx_pkt->kind) {
+        case VPX_CODEC_CX_FRAME_PKT: {
+          if (cx_pkt->data.frame.sz > 0)
+            vpx_video_writer_write_frame(writer,
+                                         cx_pkt->data.frame.buf,
+                                         cx_pkt->data.frame.sz,
+                                         cx_pkt->data.frame.pts);
+
+          printf("SVC frame: %d, kf: %d, size: %d, pts: %d\n", frames_received,
+                 !!(cx_pkt->data.frame.flags & VPX_FRAME_IS_KEY),
+                 (int)cx_pkt->data.frame.sz, (int)cx_pkt->data.frame.pts);
+          ++frames_received;
+          break;
+        }
+        case VPX_CODEC_STATS_PKT: {
+          stats_write(&app_input.rc_stats,
+                      cx_pkt->data.twopass_stats.buf,
+                      cx_pkt->data.twopass_stats.sz);
+          break;
+        }
+        default: {
+          break;
+        }
       }
     }
-    if (vpx_svc_get_rc_stats_buffer_size(&svc_ctx) > 0) {
-      stats_write(&app_input.rc_stats,
-                  vpx_svc_get_rc_stats_buffer(&svc_ctx),
-                  vpx_svc_get_rc_stats_buffer_size(&svc_ctx));
-    }
+
     if (!end_of_stream) {
       ++frame_cnt;
       pts += frame_duration;
     }
   }
 
   printf("Processed %d frames\n", frame_cnt);
 
   fclose(infile);
   if (vpx_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec");
 
   if (app_input.passes == 2)
     stats_close(&app_input.rc_stats, 1);
 
   if (writer) {
     vpx_video_writer_close(writer);
   }
 
   vpx_img_free(&raw);
 
   // display average size, psnr
   printf("%s", vpx_svc_dump_statistics(&svc_ctx));
 
   vpx_svc_release(&svc_ctx);
 
   return EXIT_SUCCESS;
 }