static int default_height = 480;
static int screen_width = 0;
static int screen_height = 0;
+static int screen_left = SDL_WINDOWPOS_CENTERED;
+static int screen_top = SDL_WINDOWPOS_CENTERED;
static int audio_disable;
static int video_disable;
static int subtitle_disable;
#endif
static int autorotate = 1;
static int find_stream_info = 1;
+static int filter_nbthreads = 0;
/* current context */
static int is_full_screen;
int scr_xleft, int scr_ytop, int scr_width, int scr_height,
int pic_width, int pic_height, AVRational pic_sar)
{
- float aspect_ratio;
- int width, height, x, y;
+ AVRational aspect_ratio = pic_sar;
+ int64_t width, height, x, y;
- if (pic_sar.num == 0)
- aspect_ratio = 0;
- else
- aspect_ratio = av_q2d(pic_sar);
+ if (av_cmp_q(aspect_ratio, av_make_q(0, 1)) <= 0)
+ aspect_ratio = av_make_q(1, 1);
- if (aspect_ratio <= 0.0)
- aspect_ratio = 1.0;
- aspect_ratio *= (float)pic_width / (float)pic_height;
+ aspect_ratio = av_mul_q(aspect_ratio, av_make_q(pic_width, pic_height));
/* XXX: we suppose the screen has a 1.0 pixel ratio */
height = scr_height;
- width = lrint(height * aspect_ratio) & ~1;
+ width = av_rescale(height, aspect_ratio.num, aspect_ratio.den) & ~1;
if (width > scr_width) {
width = scr_width;
- height = lrint(width / aspect_ratio) & ~1;
+ height = av_rescale(width, aspect_ratio.den, aspect_ratio.num) & ~1;
}
x = (scr_width - width) / 2;
y = (scr_height - height) / 2;
rect->x = scr_xleft + x;
rect->y = scr_ytop + y;
- rect->w = FFMAX(width, 1);
- rect->h = FFMAX(height, 1);
+ rect->w = FFMAX((int)width, 1);
+ rect->h = FFMAX((int)height, 1);
}
static void get_sdl_pix_fmt_and_blendmode(int format, Uint32 *sdl_pix_fmt, SDL_BlendMode *sdl_blendmode)
static void set_default_window_size(int width, int height, AVRational sar)
{
SDL_Rect rect;
- calculate_display_rect(&rect, 0, 0, INT_MAX, height, width, height, sar);
+ int max_width = screen_width ? screen_width : INT_MAX;
+ int max_height = screen_height ? screen_height : INT_MAX;
+ if (max_width == INT_MAX && max_height == INT_MAX)
+ max_height = height;
+ calculate_display_rect(&rect, 0, 0, max_width, max_height, width, height, sar);
default_width = rect.w;
default_height = rect.h;
}
{
int w,h;
- if (screen_width) {
- w = screen_width;
- h = screen_height;
- } else {
- w = default_width;
- h = default_height;
- }
+ w = screen_width ? screen_width : default_width;
+ h = screen_height ? screen_height : default_height;
if (!window_title)
window_title = input_filename;
SDL_SetWindowTitle(window, window_title);
SDL_SetWindowSize(window, w, h);
- SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
+ SDL_SetWindowPosition(window, screen_left, screen_top);
if (is_full_screen)
SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP);
SDL_ShowWindow(window);
avfilter_graph_free(&is->agraph);
if (!(is->agraph = avfilter_graph_alloc()))
return AVERROR(ENOMEM);
+ is->agraph->nb_threads = filter_nbthreads;
while ((e = av_dict_get(swr_opts, "", e, AV_DICT_IGNORE_SUFFIX)))
av_strlcatf(aresample_swr_opts, sizeof(aresample_swr_opts), "%s=%s:", e->key, e->value);
return ret;
}
-static int decoder_start(Decoder *d, int (*fn)(void *), void *arg)
+static int decoder_start(Decoder *d, int (*fn)(void *), const char *thread_name, void* arg)
{
packet_queue_start(d->queue);
- d->decoder_tid = SDL_CreateThread(fn, "decoder", arg);
+ d->decoder_tid = SDL_CreateThread(fn, thread_name, arg);
if (!d->decoder_tid) {
av_log(NULL, AV_LOG_ERROR, "SDL_CreateThread(): %s\n", SDL_GetError());
return AVERROR(ENOMEM);
AVRational frame_rate = av_guess_frame_rate(is->ic, is->video_st, NULL);
#if CONFIG_AVFILTER
- AVFilterGraph *graph = avfilter_graph_alloc();
+ AVFilterGraph *graph = NULL;
AVFilterContext *filt_out = NULL, *filt_in = NULL;
int last_w = 0;
int last_h = 0;
enum AVPixelFormat last_format = -2;
int last_serial = -1;
int last_vfilter_idx = 0;
- if (!graph) {
- av_frame_free(&frame);
- return AVERROR(ENOMEM);
- }
-
#endif
- if (!frame) {
-#if CONFIG_AVFILTER
- avfilter_graph_free(&graph);
-#endif
+ if (!frame)
return AVERROR(ENOMEM);
- }
for (;;) {
ret = get_video_frame(is, frame);
(const char *)av_x_if_null(av_get_pix_fmt_name(frame->format), "none"), is->viddec.pkt_serial);
avfilter_graph_free(&graph);
graph = avfilter_graph_alloc();
+ if (!graph) {
+ ret = AVERROR(ENOMEM);
+ goto the_end;
+ }
+ graph->nb_threads = filter_nbthreads;
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;
is->auddec.start_pts = is->audio_st->start_time;
is->auddec.start_pts_tb = is->audio_st->time_base;
}
- if ((ret = decoder_start(&is->auddec, audio_thread, is)) < 0)
+ if ((ret = decoder_start(&is->auddec, audio_thread, "audio_decoder", is)) < 0)
goto out;
SDL_PauseAudioDevice(audio_dev, 0);
break;
is->video_st = ic->streams[stream_index];
decoder_init(&is->viddec, avctx, &is->videoq, is->continue_read_thread);
- if ((ret = decoder_start(&is->viddec, video_thread, is)) < 0)
+ if ((ret = decoder_start(&is->viddec, video_thread, "video_decoder", is)) < 0)
goto out;
is->queue_attachments_req = 1;
break;
is->subtitle_st = ic->streams[stream_index];
decoder_init(&is->subdec, avctx, &is->subtitleq, is->continue_read_thread);
- if ((ret = decoder_start(&is->subdec, subtitle_thread, is)) < 0)
+ if ((ret = decoder_start(&is->subdec, subtitle_thread, "subtitle_decoder", is)) < 0)
goto out;
break;
default:
{ "framedrop", OPT_BOOL | OPT_EXPERT, { &framedrop }, "drop frames when cpu is too slow", "" },
{ "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" },
+ { "left", OPT_INT | HAS_ARG | OPT_EXPERT, { &screen_left }, "set the x position for the left of the window", "x pos" },
+ { "top", OPT_INT | HAS_ARG | OPT_EXPERT, { &screen_top }, "set the y position for the top of the window", "y pos" },
#if CONFIG_AVFILTER
{ "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" },
{ "autorotate", OPT_BOOL, { &autorotate }, "automatically rotate video", "" },
{ "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
"read and decode the streams to fill missing information with heuristics" },
+ { "filter_threads", HAS_ARG | OPT_INT | OPT_EXPERT, { &filter_nbthreads }, "number of filter threads per graph" },
{ NULL, },
};
projects / ffmpeg / blobdiff