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 10 matching lines @@
 
 #include "./args.h"
 #include "./tools_common.h"
 #include "./video_writer.h"
 
 #include "vpx/svc_context.h"
 #include "vpx/vp8cx.h"
 #include "vpx/vpx_encoder.h"
 #include "./vpxstats.h"
 
-static const struct arg_enum_list encoding_mode_enum[] = {
-  {"i", INTER_LAYER_PREDICTION_I},
-  {"alt-ip", ALT_INTER_LAYER_PREDICTION_IP},
-  {"ip", INTER_LAYER_PREDICTION_IP},
-  {"gf", USE_GOLDEN_FRAME},
-  {NULL, 0}
-};
-
-static const arg_def_t encoding_mode_arg = ARG_DEF_ENUM(
-    "m", "encoding-mode", 1, "Encoding mode algorithm", encoding_mode_enum);
 static const arg_def_t skip_frames_arg =
     ARG_DEF("s", "skip-frames", 1, "input frames to skip");
 static const arg_def_t frames_arg =
     ARG_DEF("f", "frames", 1, "number of frames to encode");
 static const arg_def_t width_arg = ARG_DEF("w", "width", 1, "source width");
 static const arg_def_t height_arg = ARG_DEF("h", "height", 1, "source height");
 static const arg_def_t timebase_arg =
     ARG_DEF("t", "timebase", 1, "timebase (num/den)");
 static const arg_def_t bitrate_arg = ARG_DEF(
     "b", "target-bitrate", 1, "encoding bitrate, in kilobits per second");
 static const arg_def_t layers_arg =
     ARG_DEF("l", "layers", 1, "number of 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 quantizers_keyframe_arg =
-    ARG_DEF("qn", "quantizers-keyframe", 1, "quantizers for key frames (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[] = {
-  &encoding_mode_arg, &frames_arg,        &width_arg,       &height_arg,
+  &frames_arg,        &width_arg,         &height_arg,
   &timebase_arg,      &bitrate_arg,       &skip_frames_arg, &layers_arg,
-  &kf_dist_arg,       &scale_factors_arg, &quantizers_arg,
-  &quantizers_keyframe_arg,               &passes_arg,      &pass_arg,
-  &fpf_name_arg,      &min_q_arg,         &max_q_arg,       &min_bitrate_arg,
-  &max_bitrate_arg,   NULL
+  &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,   NULL
 };
 
-static const SVC_ENCODING_MODE default_encoding_mode =
-    INTER_LAYER_PREDICTION_IP;
 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;
 static const uint32_t default_kf_dist = 100;
 
@@ skipping 28 matching lines @@
   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;
 
   // 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->encoding_mode = default_encoding_mode;
 
   // 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));
   }
   // update enc_cfg with app default values
   enc_cfg->g_w = default_width;
   enc_cfg->g_h = default_height;
   enc_cfg->g_timebase.num = default_timebase_num;
   enc_cfg->g_timebase.den = default_timebase_den;
   enc_cfg->rc_target_bitrate = default_bitrate;
   enc_cfg->kf_min_dist = default_kf_dist;
   enc_cfg->kf_max_dist = default_kf_dist;
   enc_cfg->rc_end_usage = VPX_CQ;
 
   // initialize AppInput with default values
   app_input->frames_to_code = default_frames_to_code;
   app_input->frames_to_skip = default_frames_to_skip;
 
   // process command line options
   argv = argv_dup(argc - 1, argv_ + 1);
   for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
     arg.argv_step = 1;
 
-    if (arg_match(&arg, &encoding_mode_arg, argi)) {
-      svc_ctx->encoding_mode = arg_parse_enum_or_int(&arg);
-    } else if (arg_match(&arg, &frames_arg, argi)) {
+    if (arg_match(&arg, &frames_arg, argi)) {
       app_input->frames_to_code = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &width_arg, argi)) {
       enc_cfg->g_w = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &height_arg, argi)) {
       enc_cfg->g_h = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &timebase_arg, argi)) {
       enc_cfg->g_timebase = arg_parse_rational(&arg);
     } else if (arg_match(&arg, &bitrate_arg, argi)) {
       enc_cfg->rc_target_bitrate = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &skip_frames_arg, argi)) {
       app_input->frames_to_skip = arg_parse_uint(&arg);
     } else if (arg_match(&arg, &layers_arg, argi)) {
       svc_ctx->spatial_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, 0);
-    } else if (arg_match(&arg, &quantizers_keyframe_arg, argi)) {
-      vpx_svc_set_quantizers(svc_ctx, arg.val, 1);
+      vpx_svc_set_quantizers(svc_ctx, 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);
       }
@@ skipping 64 matching lines @@
   app_input->input_filename = argv[0];
   app_input->output_filename = argv[1];
   free(argv);
 
   if (enc_cfg->g_w < 16 || enc_cfg->g_w % 2 || enc_cfg->g_h < 16 ||
       enc_cfg->g_h % 2)
     die("Invalid resolution: %d x %d\n", enc_cfg->g_w, enc_cfg->g_h);
 
   printf(
       "Codec %s\nframes: %d, skip: %d\n"
-      "mode: %d, layers: %d\n"
+      "layers: %d\n"
       "width %d, height: %d,\n"
       "num: %d, den: %d, bitrate: %d,\n"
       "gop size: %d\n",
       vpx_codec_iface_name(vpx_codec_vp9_cx()), app_input->frames_to_code,
-      app_input->frames_to_skip, svc_ctx->encoding_mode,
+      app_input->frames_to_skip,
       svc_ctx->spatial_layers, enc_cfg->g_w, enc_cfg->g_h,
       enc_cfg->g_timebase.num, enc_cfg->g_timebase.den,
       enc_cfg->rc_target_bitrate, enc_cfg->kf_max_dist);
 }
 
 int main(int argc, const char **argv) {
   AppInput app_input = {0};
   VpxVideoWriter *writer = NULL;
   VpxVideoInfo info = {0};
   vpx_codec_ctx_t codec;
   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;
 
   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);
 
@@ skipping 35 matching lines @@
       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)) {
-      if (vpx_svc_get_frame_size(&svc_ctx) > 0) {
+      while ((frame_size = vpx_svc_get_frame_size(&svc_ctx)) > 0) {
         vpx_video_writer_write_frame(writer,
                                      vpx_svc_get_buffer(&svc_ctx),
-                                     vpx_svc_get_frame_size(&svc_ctx),
-                                     pts);
+                                     frame_size, pts);
       }
     }
     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;
@@ skipping 14 matching lines @@
 
   vpx_img_free(&raw);
 
   // display average size, psnr
   printf("%s", vpx_svc_dump_statistics(&svc_ctx));
 
   vpx_svc_release(&svc_ctx);
 
   return EXIT_SUCCESS;
 }