[FFmpeg-devel] [PATCH] fftools/ffplay: Add basic support for game controller input
John Törnblom
john.tornblom at gmail.com
Thu Aug 1 21:10:40 EEST 2024
---
doc/ffplay.texi | 37 ++++++++++++++++-
fftools/ffplay.c | 101 +++++++++++++++++++++++++++++++++++++----------
2 files changed, 116 insertions(+), 22 deletions(-)
diff --git a/doc/ffplay.texi b/doc/ffplay.texi
index 93f77eeece..d527a2636e 100644
--- a/doc/ffplay.texi
+++ b/doc/ffplay.texi
@@ -210,7 +210,7 @@ automatically.
@end table
- at section While playing
+ at section Keyboard inputs while playing
@table @key
@item q, ESC
@@ -261,6 +261,12 @@ Seek to the previous/next chapter.
or if there are no chapters
Seek backward/forward 10 minutes.
+ at end table
+
+ at section Mouse inputs while playing
+
+ at table @key
+
@item right mouse click
Seek to percentage in file corresponding to fraction of width.
@@ -269,6 +275,35 @@ Toggle full screen.
@end table
+ at section Game controller inputs while playing
+
+ at table @key
+
+ at item A
+Pause.
+
+ at item B
+Cycle subtitle channel in the current program.
+
+ at item X
+Cycle audio channel in the current program.
+
+ at item Y
+Cycle video channel.
+
+ at item D-pad left/right
+Seek backward/forward 10 seconds.
+
+ at item D-pad down/up
+Seek backward/forward 1 minute.
+
+ at item left/right shoulder
+Seek to the previous/next chapter.
+or if there are no chapters
+Seek backward/forward 10 minutes.
+
+ at end table
+
@c man end
@include config.texi
diff --git a/fftools/ffplay.c b/fftools/ffplay.c
index efcd4f6452..8c9c1f9bca 100644
--- a/fftools/ffplay.c
+++ b/fftools/ffplay.c
@@ -3349,6 +3349,48 @@ static void event_loop(VideoState *cur_stream)
double x;
refresh_loop_wait_event(cur_stream, &event);
switch (event.type) {
+ case SDL_CONTROLLERBUTTONDOWN:
+ switch (event.cbutton.button) {
+ case SDL_CONTROLLER_BUTTON_A:
+ toggle_pause(cur_stream);
+ break;
+ case SDL_CONTROLLER_BUTTON_B:
+ stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
+ break;
+ case SDL_CONTROLLER_BUTTON_X:
+ stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
+ break;
+ case SDL_CONTROLLER_BUTTON_Y:
+ stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
+ break;
+ case SDL_CONTROLLER_BUTTON_LEFTSHOULDER:
+ if (cur_stream->ic->nb_chapters <= 1) {
+ incr = -600.0;
+ goto do_seek;
+ }
+ seek_chapter(cur_stream, -1);
+ break;
+ case SDL_CONTROLLER_BUTTON_RIGHTSHOULDER:
+ if (cur_stream->ic->nb_chapters <= 1) {
+ incr = 600.0;
+ goto do_seek;
+ }
+ seek_chapter(cur_stream, 1);
+ break;
+ case SDL_CONTROLLER_BUTTON_DPAD_UP:
+ incr = 60.0;
+ goto do_seek;
+ case SDL_CONTROLLER_BUTTON_DPAD_DOWN:
+ incr = -60.0;
+ goto do_seek;
+ case SDL_CONTROLLER_BUTTON_DPAD_LEFT:
+ incr = seek_interval ? -seek_interval : -10.0;
+ goto do_seek;
+ case SDL_CONTROLLER_BUTTON_DPAD_RIGHT:
+ incr = seek_interval ? seek_interval : 10.0;
+ goto do_seek;
+ }
+ break;
case SDL_KEYDOWN:
if (exit_on_keydown || event.key.keysym.sym == SDLK_ESCAPE || event.key.keysym.sym == SDLK_q) {
do_exit(cur_stream);
@@ -3717,31 +3759,42 @@ void show_help_default(const char *opt, const char *arg)
show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
show_help_children(avfilter_get_class(), AV_OPT_FLAG_FILTERING_PARAM);
- printf("\nWhile playing:\n"
- "q, ESC quit\n"
- "f toggle full screen\n"
- "p, SPC pause\n"
- "m toggle mute\n"
- "9, 0 decrease and increase volume respectively\n"
- "/, * decrease and increase volume respectively\n"
- "a cycle audio channel in the current program\n"
- "v cycle video channel\n"
- "t cycle subtitle channel in the current program\n"
- "c cycle program\n"
- "w cycle video filters or show modes\n"
- "s activate frame-step mode\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"
- "page down/page up seek backward/forward 10 minutes\n"
- "right mouse click seek to percentage in file corresponding to fraction of width\n"
- "left double-click toggle full screen\n"
- );
+ printf("\nKeyboard inputs while playing:\n"
+ " q, ESC quit\n"
+ " f toggle full screen\n"
+ " p, SPC pause\n"
+ " m toggle mute\n"
+ " 9, 0 decrease and increase volume respectively\n"
+ " /, * decrease and increase volume respectively\n"
+ " a cycle audio channel in the current program\n"
+ " v cycle video channel\n"
+ " t cycle subtitle channel in the current program\n"
+ " c cycle program\n"
+ " w cycle video filters or show modes\n"
+ " s activate frame-step mode\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"
+ " page down/page up seek backward/forward 10 minutes\n"
+ "\n"
+ "Mouse inputs while playing:\n"
+ " right mouse click seek to percentage in file corresponding to fraction of width\n"
+ " left double-click toggle full screen\n"
+ "\n"
+ "Game controller inputs while playing:\n"
+ " A pause\n"
+ " B cycle subtitle channel in the current program\n"
+ " X cycle audio channel in the current program\n"
+ " Y cycle video channel\n"
+ " D-pad left/right seek backward/forward 10 seconds or to custom interval if -seek_interval is set\n"
+ " D-pad down/up seek backward/forward 1 minute\n"
+ " left/right shoulder seek backward/forward 10 minutes\n"
+ );
}
/* Called from the main */
int main(int argc, char **argv)
{
- int flags, ret;
+ int flags, ret, i;
VideoState *is;
init_dynload();
@@ -3775,7 +3828,7 @@ int main(int argc, char **argv)
if (display_disable) {
video_disable = 1;
}
- flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
+ flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER;
if (audio_disable)
flags &= ~SDL_INIT_AUDIO;
else {
@@ -3866,6 +3919,12 @@ int main(int argc, char **argv)
}
}
+ for (i = 0; i < SDL_NumJoysticks(); i++) {
+ if (!SDL_GameControllerOpen(i)) {
+ av_log(NULL, AV_LOG_WARNING, "Failed to a open game controller: %s\n", SDL_GetError());
+ }
+ }
+
is = stream_open(input_filename, file_iformat);
if (!is) {
av_log(NULL, AV_LOG_FATAL, "Failed to initialize VideoState!\n");
--
2.43.0
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