shithub: libvpx

Download patch

ref: c217423af908648d10e43c6210ae614ee474533e
parent: b458bb7c2017f4a9f6107e2f2f02767a6323656b
parent: 6c3c66fb7f814ad3b6d923d3aa93c972aca81d9d
author: Minghai Shang <minghai@google.com>
date: Mon Mar 24 06:54:06 EDT 2014 

Merge "[svc] Add min/max q and min/max bitrate in svc test app"


--- a/examples/vp9_spatial_scalable_encoder.c
+++ b/examples/vp9_spatial_scalable_encoder.c
@@ -67,13 +67,22 @@
     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,
   &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,      NULL
+  &quantizers_keyframe_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 =
@@ -120,6 +129,8 @@
   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;
@@ -186,6 +197,14 @@
       }
     } 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);
+    } else if (arg_match(&arg, &max_q_arg, argi)) {
+      enc_cfg->rc_max_quantizer = arg_parse_uint(&arg);
+    } 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;
     }
@@ -219,6 +238,17 @@
     }
     app_input->passes = passes;
     app_input->pass = pass;
+  }
+
+  if (enc_cfg->rc_target_bitrate > 0) {
+    if (min_bitrate > 0) {
+      enc_cfg->rc_2pass_vbr_minsection_pct =
+          min_bitrate * 100 / enc_cfg->rc_target_bitrate;
+    }
+    if (max_bitrate > 0) {
+      enc_cfg->rc_2pass_vbr_maxsection_pct =
+          max_bitrate * 100 / enc_cfg->rc_target_bitrate;
+    }
   }
 
   // Check for unrecognized options
--- a/vpx/src/svc_encodeframe.c
+++ b/vpx/src/svc_encodeframe.c
@@ -583,8 +583,12 @@
   enc_cfg->rc_dropframe_thresh = 0;
   enc_cfg->rc_end_usage = VPX_CBR;
   enc_cfg->rc_resize_allowed = 0;
-  enc_cfg->rc_min_quantizer = 33;
-  enc_cfg->rc_max_quantizer = 33;
+
+  if (enc_cfg->g_pass == VPX_RC_ONE_PASS) {
+    enc_cfg->rc_min_quantizer = 33;
+    enc_cfg->rc_max_quantizer = 33;
+  }
+
   enc_cfg->rc_undershoot_pct = 100;
   enc_cfg->rc_overshoot_pct = 15;
   enc_cfg->rc_buf_initial_sz = 500;
@@ -784,12 +788,17 @@
   }
   layer_index = layer + VPX_SS_MAX_LAYERS - si->layers;
 
-  if (vpx_svc_is_keyframe(svc_ctx)) {
-    svc_params.min_quantizer = si->quantizer_keyframe[layer_index];
-    svc_params.max_quantizer = si->quantizer_keyframe[layer_index];
+  if (codec_ctx->config.enc->g_pass == VPX_RC_ONE_PASS) {
+    if (vpx_svc_is_keyframe(svc_ctx)) {
+      svc_params.min_quantizer = si->quantizer_keyframe[layer_index];
+      svc_params.max_quantizer = si->quantizer_keyframe[layer_index];
+    } else {
+      svc_params.min_quantizer = si->quantizer[layer_index];
+      svc_params.max_quantizer = si->quantizer[layer_index];
+    }
   } else {
-    svc_params.min_quantizer = si->quantizer[layer_index];
-    svc_params.max_quantizer = si->quantizer[layer_index];
+    svc_params.min_quantizer = codec_ctx->config.enc->rc_min_quantizer;
+    svc_params.max_quantizer = codec_ctx->config.enc->rc_max_quantizer;
   }
 
   svc_params.distance_from_i_frame = si->frame_within_gop;