ffplay: add option to allow custom seek interval

At present, left and right keys are hardcoded to seek by 10 seconds.
This commit is contained in:
Gyan Doshi 2018-09-01 11:33:17 +05:30
parent ad9b4ecc26
commit 1a4a8df249
2 changed files with 7 additions and 3 deletions

View File

@ -60,6 +60,8 @@ Play @var{duration} seconds of audio/video.
see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}. see @ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}.
@item -bytes @item -bytes
Seek by bytes. Seek by bytes.
@item -seek_interval
Set custom interval, in seconds, for seeking using left/right keys. Default is 10 seconds.
@item -nodisp @item -nodisp
Disable graphical display. Disable graphical display.
@item -noborder @item -noborder

View File

@ -319,6 +319,7 @@ static int video_disable;
static int subtitle_disable; static int subtitle_disable;
static const char* wanted_stream_spec[AVMEDIA_TYPE_NB] = {0}; static const char* wanted_stream_spec[AVMEDIA_TYPE_NB] = {0};
static int seek_by_bytes = -1; static int seek_by_bytes = -1;
static float seek_interval = 10;
static int display_disable; static int display_disable;
static int borderless; static int borderless;
static int startup_volume = 100; static int startup_volume = 100;
@ -3343,10 +3344,10 @@ static void event_loop(VideoState *cur_stream)
seek_chapter(cur_stream, -1); seek_chapter(cur_stream, -1);
break; break;
case SDLK_LEFT: case SDLK_LEFT:
incr = -10.0; incr = seek_interval ? -seek_interval : -10.0;
goto do_seek; goto do_seek;
case SDLK_RIGHT: case SDLK_RIGHT:
incr = 10.0; incr = seek_interval ? seek_interval : 10.0;
goto do_seek; goto do_seek;
case SDLK_UP: case SDLK_UP:
incr = 60.0; incr = 60.0;
@ -3582,6 +3583,7 @@ static const OptionDef options[] = {
{ "ss", HAS_ARG, { .func_arg = opt_seek }, "seek to a given position in seconds", "pos" }, { "ss", HAS_ARG, { .func_arg = opt_seek }, "seek to a given position in seconds", "pos" },
{ "t", HAS_ARG, { .func_arg = opt_duration }, "play \"duration\" seconds of audio/video", "duration" }, { "t", HAS_ARG, { .func_arg = opt_duration }, "play \"duration\" seconds of audio/video", "duration" },
{ "bytes", OPT_INT | HAS_ARG, { &seek_by_bytes }, "seek by bytes 0=off 1=on -1=auto", "val" }, { "bytes", OPT_INT | HAS_ARG, { &seek_by_bytes }, "seek by bytes 0=off 1=on -1=auto", "val" },
{ "seek_interval", OPT_FLOAT | HAS_ARG, { &seek_interval }, "set seek interval for left/right keys, in seconds", "seconds" },
{ "nodisp", OPT_BOOL, { &display_disable }, "disable graphical display" }, { "nodisp", OPT_BOOL, { &display_disable }, "disable graphical display" },
{ "noborder", OPT_BOOL, { &borderless }, "borderless window" }, { "noborder", OPT_BOOL, { &borderless }, "borderless window" },
{ "volume", OPT_INT | HAS_ARG, { &startup_volume}, "set startup volume 0=min 100=max", "volume" }, { "volume", OPT_INT | HAS_ARG, { &startup_volume}, "set startup volume 0=min 100=max", "volume" },
@ -3652,7 +3654,7 @@ void show_help_default(const char *opt, const char *arg)
"c cycle program\n" "c cycle program\n"
"w cycle video filters or show modes\n" "w cycle video filters or show modes\n"
"s activate frame-step mode\n" "s activate frame-step mode\n"
"left/right seek backward/forward 10 seconds\n" "left/right seek backward/forward 10 seconds or to custom interval if -seek_interval is set\n"
"down/up seek backward/forward 1 minute\n" "down/up seek backward/forward 1 minute\n"
"page down/page up seek backward/forward 10 minutes\n" "page down/page up seek backward/forward 10 minutes\n"
"right mouse click seek to percentage in file corresponding to fraction of width\n" "right mouse click seek to percentage in file corresponding to fraction of width\n"