Add --vps-period parameter.

README.md

@@ -25,6 +25,11 @@ http://github.com/ultravideo/kvazaar/wiki/List-of-suggested-topics for a list of
                                          0: only first picture is intra
                                          1: all pictures are intra
                                          2-N: every Nth picture is intra
+              --vps-period <integer> : Specify how often the video parameter set is
+                                       re-sent. [0]
+                                         0: only send VPS with the first frame
+                                         1: send VPS with every intra frame
+                                         N: send VPS with every Nth intra frame
           -r, --ref <integer>        : Reference frames, range 1..15 [3]
               --no-deblock           : Disable deblocking filter
               --deblock <beta:tc>    : Deblocking filter parameters

src/config.c

@@ -60,6 +60,7 @@ int config_init(config *cfg)
   cfg->height          = 0;
   cfg->qp              = 32;
   cfg->intra_period    = 0;
+  cfg->vps_period      = 0;
   cfg->deblock_enable  = 1;
   cfg->deblock_beta    = 0;
   cfg->deblock_tc      = 0;
@@ -340,6 +341,8 @@ static int config_parse(config *cfg, const char *name, const char *value)
     cfg->qp = atoi(value);
   else if OPT("period")
     cfg->intra_period = atoi(value);
+  else if OPT("vps-period")
+    cfg->vps_period = atoi(value);
   else if OPT("ref") {
     cfg->ref_frames = atoi(value);
     if (cfg->ref_frames  < 1 || cfg->ref_frames >= MAX_REF_PIC_COUNT) {
@@ -522,6 +525,7 @@ int config_read(config *cfg,int argc, char *argv[])
     { "qp",                 required_argument, NULL, 'q' },
     { "period",             required_argument, NULL, 'p' },
     { "ref",                required_argument, NULL, 'r' },
+    { "vps-period",         required_argument, NULL, 0 },
     { "input-res",          required_argument, NULL, 0 },
     { "no-deblock",               no_argument, NULL, 0 },
     { "deblock",            required_argument, NULL, 0 },

src/config.h

@@ -38,6 +38,7 @@ typedef struct
   char *debug;      /*!< \brief Pointer to debug output    */
   int32_t qp;        /*!< \brief Quantization parameter */
   int32_t intra_period; /*!< \brief the period of intra frames in stream */
+  int32_t vps_period; /*!< \brief how often the vps is re-sent */
   int32_t frames;  /*!< \brief Number of frames to decode */
   int32_t width;   /*!< \brief frame width */
   int32_t height;  /*!< \brief frame height */

src/encmain.c

@@ -103,6 +103,11 @@ int main(int argc, char *argv[])
             "                                     0: only first picture is intra\n"
             "                                     1: all pictures are intra\n"
             "                                     2-N: every Nth picture is intra\n"
+            "          --vps-period <integer> : Specify how often the video parameter set is\n"
+            "                                   re-sent. [0]\n"
+            "                                     0: only send VPS with the first frame\n"
+            "                                     1: send VPS with every intra frame\n"
+            "                                     N: send VPS with every Nth intra frame\n"
             "      -r, --ref <integer>        : Reference frames, range 1..15 [3]\n"
             "          --no-deblock           : Disable deblocking filter\n"
             "          --deblock <beta:tc>    : Deblocking filter parameters\n"
@@ -298,8 +303,7 @@ int main(int argc, char *argv[])
   // AUD
   encoder.aud_enable = (int8_t)encoder.cfg->aud_enable;
 
-  // TODO: Add config option for vps_period.
+  encoder.vps_period = encoder.cfg->vps_period * encoder.cfg->intra_period;
-  encoder.vps_period = (encoder.cfg->rdo == 0 ? encoder.cfg->intra_period : 0);
 
   encoder.in.file = input;