contrib/performance/0001-Instrument-code-with-fps-meter.patch

   1 From ab3f910957638300224f1f114df6e73115ec86b7 Mon Sep 17 00:00:00 2001
   2 From: Antonio Ospite <ao2@ao2.it>
   3 Date: Tue, 17 Nov 2015 16:28:03 +0100
   4 Subject: [PATCH] Instrument code with fps-meter
   5 X-Face: z*RaLf`X<@C75u6Ig9}{oW$H;1_\2t5)({*|jhM<pyWR#k60!#=#>/Vb;]yA5<GWI5`6u&+
   6  ;6b'@y|8w"wB;4/e!7wYYrcqdJFY,~%Gk_4]cq$Ei/7<j&N3ah(m`ku?pX.&+~:_/wC~dwn^)MizBG
   7  !pE^+iDQQ1yC6^,)YDKkxDd!T>\I~93>J<_`<4)A{':UrE
   8
   9 Instrument code with fps-meter:
  10 http://git.ao2.it/experiments/fps-meter.git/
  11 ---
  12  examples/CMakeLists.txt | 2 +-
  13  examples/am7xxx-play.c  | 5 +++++
  14  2 files changed, 6 insertions(+), 1 deletion(-)
  15
  16 diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
  17 index c563f5f..4bdbdec 100644
  18 --- a/examples/CMakeLists.txt
  19 +++ b/examples/CMakeLists.txt
  20 @@ -1,5 +1,5 @@
  21  include(CheckSymbolExists)
  22 -add_definitions("-D_POSIX_C_SOURCE=2") # for getopt()
  23 +add_definitions("-D_POSIX_C_SOURCE=200112L") # for clock_gettime()
  24  add_definitions("-D_POSIX_SOURCE") # for sigaction
  25  add_definitions("-D_BSD_SOURCE") # for strdup
  26
  27 diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
  28 index 6b0d206..271677b 100644
  29 --- a/examples/am7xxx-play.c
  30 +++ b/examples/am7xxx-play.c
  31 @@ -34,6 +34,7 @@
  32  #include <libswscale/swscale.h>
  33
  34  #include <am7xxx.h>
  35 +#include "fps-meter.h"
  36
  37  /* On some systems ENOTSUP is not defined, fallback to its value on
  38   * linux which is equal to EOPNOTSUPP which is 95
  39 @@ -293,6 +294,7 @@ static int am7xxx_play(const char *input_format_string,
  40         int got_picture;
  41         int got_packet;
  42         int ret;
  43 +       struct fps_meter_stats stats;
  44
  45         ret = video_input_init(&input_ctx, input_format_string, input_path, input_options);
  46         if (ret < 0) {
  47 @@ -358,6 +360,8 @@ static int am7xxx_play(const char *input_format_string,
  48                 goto cleanup_out_buf;
  49         }
  50
  51 +       fps_meter_init(&stats);
  52 +
  53         got_packet = 0;
  54         while (run) {
  55                 /* read packet */
  56 @@ -447,6 +451,7 @@ static int am7xxx_play(const char *input_format_string,
  57                                 run = 0;
  58                                 goto end_while;
  59                         }
  60 +                       fps_meter_update(&stats);
  61                 }
  62  end_while:
  63                 if (!output_ctx.raw_output && got_packet)
  64 --
  65 2.6.2
  66