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Code Issues Releases Activity

ffplay: add support for toggling between multiple video filters with the w key

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2014-01-06 21:14:23 +01:00
parent affc41047e
commit a583e2bebe
2 changed files with 34 additions and 7 deletions
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5
doc/ffplay.texi
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@ -84,6 +84,9 @@ output. In the filtergraph, the input is associated to the label
ffmpeg-filters manual for more information about the filtergraph
syntax.
You can specify this parameter multiple times and cycle through the specified
filtergraphs along with the show modes by pressing the key @key{w}.
@item -af @var{filtergraph}
@var{filtergraph} is a description of the filtergraph to apply to
the input audio.
@ -186,7 +189,7 @@ Cycle subtitle channel in the current program.
Cycle program.
@item w
Show audio waves.
Cycle video filters or show modes.
@item s
Step to the next frame.

36
ffplay.c
View File

@ -268,6 +268,7 @@ typedef struct VideoState {
int step;
#if CONFIG_AVFILTER
int vfilter_idx;
AVFilterContext *in_video_filter; // the first filter in the video chain
AVFilterContext *out_video_filter; // the last filter in the video chain
AVFilterContext *in_audio_filter; // the first filter in the audio chain
@ -324,7 +325,8 @@ double rdftspeed = 0.02;
static int64_t cursor_last_shown;
static int cursor_hidden = 0;
#if CONFIG_AVFILTER
static char *vfilters = NULL;
static const char **vfilters_list = NULL;
static int nb_vfilters = 0;
static char *afilters = NULL;
#endif
@ -339,6 +341,15 @@ static AVPacket flush_pkt;
static SDL_Surface *screen;
#if CONFIG_AVFILTER
static int opt_add_vfilter(void *optctx, const char *opt, const char *arg)
{
GROW_ARRAY(vfilters_list, nb_vfilters);
vfilters_list[nb_vfilters - 1] = arg;
return 0;
}
#endif
static inline
int cmp_audio_fmts(enum AVSampleFormat fmt1, int64_t channel_count1,
enum AVSampleFormat fmt2, int64_t channel_count2)
@ -1051,7 +1062,7 @@ static void do_exit(VideoState *is)
av_lockmgr_register(NULL);
uninit_opts();
#if CONFIG_AVFILTER
av_freep(&vfilters);
av_freep(&vfilters_list);
#endif
avformat_network_deinit();
if (show_status)
@ -1919,6 +1930,7 @@ static int video_thread(void *arg)
int last_h = 0;
enum AVPixelFormat last_format = -2;
int last_serial = -1;
int last_vfilter_idx = 0;
#endif
for (;;) {
@ -1937,7 +1949,8 @@ static int video_thread(void *arg)
if ( last_w != frame->width
|| last_h != frame->height
|| last_format != frame->format
|| last_serial != serial) {
|| last_serial != serial
|| last_vfilter_idx != is->vfilter_idx) {
av_log(NULL, AV_LOG_DEBUG,
"Video frame changed from size:%dx%d format:%s serial:%d to size:%dx%d format:%s serial:%d\n",
last_w, last_h,
@ -1946,7 +1959,7 @@ static int video_thread(void *arg)
(const char *)av_x_if_null(av_get_pix_fmt_name(frame->format), "none"), serial);
avfilter_graph_free(&graph);
graph = avfilter_graph_alloc();
if ((ret = configure_video_filters(graph, is, vfilters, frame)) < 0) {
if ((ret = configure_video_filters(graph, is, vfilters_list ? vfilters_list[is->vfilter_idx] : NULL, frame)) < 0) {
SDL_Event event;
event.type = FF_QUIT_EVENT;
event.user.data1 = is;
@ -1959,6 +1972,7 @@ static int video_thread(void *arg)
last_h = frame->height;
last_format = frame->format;
last_serial = serial;
last_vfilter_idx = is->vfilter_idx;
frame_rate = filt_out->inputs[0]->frame_rate;
}
@ -3263,7 +3277,17 @@ static void event_loop(VideoState *cur_stream)
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
break;
case SDLK_w:
#if CONFIG_AVFILTER
if (cur_stream->show_mode == SHOW_MODE_VIDEO && cur_stream->vfilter_idx < nb_vfilters - 1) {
if (++cur_stream->vfilter_idx >= nb_vfilters)
cur_stream->vfilter_idx = 0;
} else {
cur_stream->vfilter_idx = 0;
toggle_audio_display(cur_stream);
}
#else
toggle_audio_display(cur_stream);
#endif
break;
case SDLK_PAGEUP:
if (cur_stream->ic->nb_chapters <= 1) {
@ -3529,7 +3553,7 @@ static const OptionDef options[] = {
{ "infbuf", OPT_BOOL | OPT_EXPERT, { &infinite_buffer }, "don't limit the input buffer size (useful with realtime streams)", "" },
{ "window_title", OPT_STRING | HAS_ARG, { &window_title }, "set window title", "window title" },
#if CONFIG_AVFILTER
{ "vf", OPT_STRING | HAS_ARG, { &vfilters }, "set video filters", "filter_graph" },
{ "vf", OPT_EXPERT | HAS_ARG, { .func_arg = opt_add_vfilter }, "set video filters", "filter_graph" },
{ "af", OPT_STRING | HAS_ARG, { &afilters }, "set audio filters", "filter_graph" },
#endif
{ "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { &rdftspeed }, "rdft speed", "msecs" },
@ -3572,7 +3596,7 @@ void show_help_default(const char *opt, const char *arg)
"v cycle video channel\n"
"t cycle subtitle channel in the current program\n"
"c cycle program\n"
"w show audio waves\n"
"w cycle video filters or show modes\n"
"s activate frame-step mode\n"
"left/right seek backward/forward 10 seconds\n"
"down/up seek backward/forward 1 minute\n"