fftools/ffplay: depend on avfilter

Making lavfi optional adds a lot of complexity for very questionable
gain.

configure

@@ -3836,7 +3836,7 @@ ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
                hflip_filter null_filter
                transpose_filter trim_filter vflip_filter"
 ffmpeg_suggest="ole32 psapi shell32"
-ffplay_deps="avcodec avformat swscale swresample sdl2"
+ffplay_deps="avcodec avformat avfilter swscale swresample sdl2"
 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
 ffplay_suggest="shell32"
 ffprobe_deps="avcodec avformat"

fftools/ffplay.c

@@ -50,11 +50,9 @@
 #include "libavcodec/avfft.h"
 #include "libswresample/swresample.h"
 
-#if CONFIG_AVFILTER
 #include "libavfilter/avfilter.h"
 #include "libavfilter/buffersink.h"
 #include "libavfilter/buffersrc.h"
-#endif
 
 #include <SDL.h>
 #include <SDL_thread.h>
@@ -109,8 +107,6 @@ const int program_birth_year = 2003;
 
 #define USE_ONEPASS_SUBTITLE_RENDER 1
 
-static unsigned sws_flags = SWS_BICUBIC;
-
 typedef struct MyAVPacketList {
     AVPacket *pkt;
     int serial;
@@ -250,9 +246,7 @@ typedef struct VideoState {
     int audio_volume;
     int muted;
     struct AudioParams audio_src;
-#if CONFIG_AVFILTER
     struct AudioParams audio_filter_src;
-#endif
     struct AudioParams audio_tgt;
     struct SwrContext *swr_ctx;
     int frame_drops_early;
@@ -284,7 +278,6 @@ typedef struct VideoState {
     AVStream *video_st;
     PacketQueue videoq;
     double max_frame_duration;      // maximum duration of a frame - above this, we consider the jump a timestamp discontinuity
-    struct SwsContext *img_convert_ctx;
     struct SwsContext *sub_convert_ctx;
     int eof;
 
@@ -292,14 +285,12 @@ typedef struct VideoState {
     int width, height, xleft, ytop;
     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
     AVFilterContext *out_audio_filter;  // the last filter in the audio chain
     AVFilterGraph *agraph;              // audio filter graph
-#endif
 
     int last_video_stream, last_audio_stream, last_subtitle_stream;
 
@@ -347,11 +338,9 @@ static const char *video_codec_name;
 double rdftspeed = 0.02;
 static int64_t cursor_last_shown;
 static int cursor_hidden = 0;
-#if CONFIG_AVFILTER
 static const char **vfilters_list = NULL;
 static int nb_vfilters = 0;
 static char *afilters = NULL;
-#endif
 static int autorotate = 1;
 static int find_stream_info = 1;
 static int filter_nbthreads = 0;
@@ -393,14 +382,12 @@ static const struct TextureFormatEntry {
     { AV_PIX_FMT_NONE,           SDL_PIXELFORMAT_UNKNOWN },
 };
 
-#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,
@@ -891,7 +878,8 @@ static void get_sdl_pix_fmt_and_blendmode(int format, Uint32 *sdl_pix_fmt, SDL_B
     }
 }
 
-static int upload_texture(SDL_Texture **tex, AVFrame *frame, struct SwsContext **img_convert_ctx) {
+static int upload_texture(SDL_Texture **tex, AVFrame *frame)
+{
     int ret = 0;
     Uint32 sdl_pix_fmt;
     SDL_BlendMode sdl_blendmode;
@@ -899,24 +887,6 @@ static int upload_texture(SDL_Texture **tex, AVFrame *frame, struct SwsContext *
     if (realloc_texture(tex, sdl_pix_fmt == SDL_PIXELFORMAT_UNKNOWN ? SDL_PIXELFORMAT_ARGB8888 : sdl_pix_fmt, frame->width, frame->height, sdl_blendmode, 0) < 0)
         return -1;
     switch (sdl_pix_fmt) {
-        case SDL_PIXELFORMAT_UNKNOWN:
-            /* This should only happen if we are not using avfilter... */
-            *img_convert_ctx = sws_getCachedContext(*img_convert_ctx,
-                frame->width, frame->height, frame->format, frame->width, frame->height,
-                AV_PIX_FMT_BGRA, sws_flags, NULL, NULL, NULL);
-            if (*img_convert_ctx != NULL) {
-                uint8_t *pixels[4];
-                int pitch[4];
-                if (!SDL_LockTexture(*tex, NULL, (void **)pixels, pitch)) {
-                    sws_scale(*img_convert_ctx, (const uint8_t * const *)frame->data, frame->linesize,
-                              0, frame->height, pixels, pitch);
-                    SDL_UnlockTexture(*tex);
-                }
-            } else {
-                av_log(NULL, AV_LOG_FATAL, "Cannot initialize the conversion context\n");
-                ret = -1;
-            }
-            break;
         case SDL_PIXELFORMAT_IYUV:
             if (frame->linesize[0] > 0 && frame->linesize[1] > 0 && frame->linesize[2] > 0) {
                 ret = SDL_UpdateYUVTexture(*tex, NULL, frame->data[0], frame->linesize[0],
@@ -1014,7 +984,7 @@ static void video_image_display(VideoState *is)
     set_sdl_yuv_conversion_mode(vp->frame);
 
     if (!vp->uploaded) {
-        if (upload_texture(&is->vid_texture, vp->frame, &is->img_convert_ctx) < 0) {
+        if (upload_texture(&is->vid_texture, vp->frame) < 0) {
             set_sdl_yuv_conversion_mode(NULL);
             return;
         }
@@ -1272,7 +1242,6 @@ static void stream_close(VideoState *is)
     frame_queue_destory(&is->sampq);
     frame_queue_destory(&is->subpq);
     SDL_DestroyCond(is->continue_read_thread);
-    sws_freeContext(is->img_convert_ctx);
     sws_freeContext(is->sub_convert_ctx);
     av_free(is->filename);
     if (is->vis_texture)
@@ -1294,9 +1263,7 @@ static void do_exit(VideoState *is)
     if (window)
         SDL_DestroyWindow(window);
     uninit_opts();
-#if CONFIG_AVFILTER
     av_freep(&vfilters_list);
-#endif
     avformat_network_deinit();
     if (show_status)
         printf("\n");
@@ -1794,7 +1761,6 @@ static int get_video_frame(VideoState *is, AVFrame *frame)
     return got_picture;
 }
 
-#if CONFIG_AVFILTER
 static int configure_filtergraph(AVFilterGraph *graph, const char *filtergraph,
                                  AVFilterContext *source_ctx, AVFilterContext *sink_ctx)
 {
@@ -2022,17 +1988,14 @@ end:
 
     return ret;
 }
-#endif  /* CONFIG_AVFILTER */
 
 static int audio_thread(void *arg)
 {
     VideoState *is = arg;
     AVFrame *frame = av_frame_alloc();
     Frame *af;
-#if CONFIG_AVFILTER
     int last_serial = -1;
     int reconfigure;
-#endif
     int got_frame = 0;
     AVRational tb;
     int ret = 0;
@@ -2047,7 +2010,6 @@ static int audio_thread(void *arg)
         if (got_frame) {
                 tb = (AVRational){1, frame->sample_rate};
 
-#if CONFIG_AVFILTER
                 reconfigure =
                     cmp_audio_fmts(is->audio_filter_src.fmt, is->audio_filter_src.ch_layout.nb_channels,
                                    frame->format, frame->ch_layout.nb_channels)    ||
@@ -2080,7 +2042,6 @@ static int audio_thread(void *arg)
 
             while ((ret = av_buffersink_get_frame_flags(is->out_audio_filter, frame, 0)) >= 0) {
                 tb = av_buffersink_get_time_base(is->out_audio_filter);
-#endif
                 if (!(af = frame_queue_peek_writable(&is->sampq)))
                     goto the_end;
 
@@ -2092,19 +2053,15 @@ static int audio_thread(void *arg)
                 av_frame_move_ref(af->frame, frame);
                 frame_queue_push(&is->sampq);
 
-#if CONFIG_AVFILTER
                 if (is->audioq.serial != is->auddec.pkt_serial)
                     break;
             }
             if (ret == AVERROR_EOF)
                 is->auddec.finished = is->auddec.pkt_serial;
-#endif
         }
     } while (ret >= 0 || ret == AVERROR(EAGAIN) || ret == AVERROR_EOF);
  the_end:
-#if CONFIG_AVFILTER
     avfilter_graph_free(&is->agraph);
-#endif
     av_frame_free(&frame);
     return ret;
 }
@@ -2130,7 +2087,6 @@ static int video_thread(void *arg)
     AVRational tb = is->video_st->time_base;
     AVRational frame_rate = av_guess_frame_rate(is->ic, is->video_st, NULL);
 
-#if CONFIG_AVFILTER
     AVFilterGraph *graph = NULL;
     AVFilterContext *filt_out = NULL, *filt_in = NULL;
     int last_w = 0;
@@ -2138,7 +2094,6 @@ static int video_thread(void *arg)
     enum AVPixelFormat last_format = -2;
     int last_serial = -1;
     int last_vfilter_idx = 0;
-#endif
 
     if (!frame)
         return AVERROR(ENOMEM);
@@ -2150,7 +2105,6 @@ static int video_thread(void *arg)
         if (!ret)
             continue;
 
-#if CONFIG_AVFILTER
         if (   last_w != frame->width
             || last_h != frame->height
             || last_format != frame->format
@@ -2205,24 +2159,19 @@ static int video_thread(void *arg)
             if (fabs(is->frame_last_filter_delay) > AV_NOSYNC_THRESHOLD / 10.0)
                 is->frame_last_filter_delay = 0;
             tb = av_buffersink_get_time_base(filt_out);
-#endif
             duration = (frame_rate.num && frame_rate.den ? av_q2d((AVRational){frame_rate.den, frame_rate.num}) : 0);
             pts = (frame->pts == AV_NOPTS_VALUE) ? NAN : frame->pts * av_q2d(tb);
             ret = queue_picture(is, frame, pts, duration, frame->pkt_pos, is->viddec.pkt_serial);
             av_frame_unref(frame);
-#if CONFIG_AVFILTER
             if (is->videoq.serial != is->viddec.pkt_serial)
                 break;
         }
-#endif
 
         if (ret < 0)
             goto the_end;
     }
  the_end:
-#if CONFIG_AVFILTER
     avfilter_graph_free(&graph);
-#endif
     av_frame_free(&frame);
     return 0;
 }
@@ -2631,7 +2580,6 @@ static int stream_component_open(VideoState *is, int stream_index)
     ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
     switch (avctx->codec_type) {
     case AVMEDIA_TYPE_AUDIO:
-#if CONFIG_AVFILTER
         {
             AVFilterContext *sink;
 
@@ -2648,12 +2596,6 @@ static int stream_component_open(VideoState *is, int stream_index)
             if (ret < 0)
                 goto fail;
         }
-#else
-        sample_rate    = avctx->sample_rate;
-        ret = av_channel_layout_copy(&ch_layout, &avctx->ch_layout);
-        if (ret < 0)
-            goto fail;
-#endif
 
         /* prepare audio output */
         if ((ret = audio_open(is, &ch_layout, sample_rate, &is->audio_tgt)) < 0)
@@ -3327,7 +3269,6 @@ 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;
@@ -3335,9 +3276,6 @@ static void event_loop(VideoState *cur_stream)
                     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) {
@@ -3601,10 +3539,8 @@ static const OptionDef options[] = {
     { "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" },
-#endif
     { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { &rdftspeed }, "rdft speed", "msecs" },
     { "showmode", HAS_ARG, { .func_arg = opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
     { "i", OPT_BOOL, { &dummy}, "read specified file", "input_file"},
@@ -3635,11 +3571,7 @@ void show_help_default(const char *opt, const char *arg)
     printf("\n");
     show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
     show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
-#if !CONFIG_AVFILTER
-    show_help_children(sws_get_class(), AV_OPT_FLAG_ENCODING_PARAM);
-#else
     show_help_children(avfilter_get_class(), AV_OPT_FLAG_FILTERING_PARAM);
-#endif
     printf("\nWhile playing:\n"
            "q, ESC              quit\n"
            "f                   toggle full screen\n"