diff --git a/ffplay.c b/ffplay.c index f6d21570cb..6b69755659 100644 --- a/ffplay.c +++ b/ffplay.c @@ -30,6 +30,7 @@ #include "libavcodec/audioconvert.h" #include "libavcodec/colorspace.h" #include "libavcodec/opt.h" +#include "libavcodec/dsputil.h" #include "cmdutils.h" @@ -151,6 +152,9 @@ typedef struct VideoState { int16_t sample_array[SAMPLE_ARRAY_SIZE]; int sample_array_index; int last_i_start; + RDFTContext rdft; + int rdft_bits; + int xpos; SDL_Thread *subtitle_tid; int subtitle_stream; @@ -799,7 +803,7 @@ static void video_audio_display(VideoState *s) delay = s->width; i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE); - + if(s->show_audio==1){ h= INT_MIN; for(i=0; i<1000; i+=channels){ int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE; @@ -813,6 +817,7 @@ static void video_audio_display(VideoState *s) i_start= idx; } } + } s->last_i_start = i_start; } else { @@ -820,6 +825,7 @@ static void video_audio_display(VideoState *s) } bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00); + if(s->show_audio==1){ fill_rectangle(screen, s->xleft, s->ytop, s->width, s->height, bgcolor); @@ -859,6 +865,49 @@ static void video_audio_display(VideoState *s) fgcolor); } SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height); + }else{ + int rdft_bits, nb_freq; + nb_display_channels= FFMIN(nb_display_channels, 2); + for(rdft_bits=1; (1<height; rdft_bits++) + ; + if(rdft_bits != s->rdft_bits){ + ff_rdft_end(&s->rdft); + ff_rdft_init(&s->rdft, rdft_bits, RDFT); + s->rdft_bits= rdft_bits; + } + nb_freq= 1<<(rdft_bits-1); + { + FFTSample data[2][2*nb_freq]; + for(ch = 0;ch < nb_display_channels; ch++) { + i = i_start + ch; + for(x = 0; x < 2*nb_freq; x++) { + double w= (x-nb_freq)*(1.0/nb_freq); + data[ch][x]= s->sample_array[i]*(1.0-w*w); + i += channels; + if (i >= SAMPLE_ARRAY_SIZE) + i -= SAMPLE_ARRAY_SIZE; + } + ff_rdft_calc(&s->rdft, data[ch]); + } + //least efficient way to do this, we should of course directly access it but its more than fast enough + for(y=0; yformat, a, b, (a+b)/2); + + fill_rectangle(screen, + s->xpos, s->height-y, 1, 1, + fgcolor); + } + } + SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height); + s->xpos++; + if(s->xpos >= s->width) + s->xpos= s->xleft; + } } static int video_open(VideoState *is){ @@ -2312,7 +2361,7 @@ static void toggle_audio_display(void) { if (cur_stream) { int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00); - cur_stream->show_audio = !cur_stream->show_audio; + cur_stream->show_audio = (cur_stream->show_audio + 1) % 3; fill_rectangle(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height, bgcolor);