Merge remote-tracking branch 'cus/stable'

* cus/stable:
  ffplay: factorize thread starting and stopping code into decoder
  ffplay: make eof part of videostate and signal it when opening a stream
  ffplay: update frame timer based on last updated clock time when toggling pause

Merged-by: Michael Niedermayer <michaelni@gmx.at>

ffplay.c

@@ -191,12 +191,11 @@ typedef struct Decoder {
     AVRational start_pts_tb;
     int64_t next_pts;
     AVRational next_pts_tb;
+    SDL_Thread *decoder_tid;
 } Decoder;
 
 typedef struct VideoState {
     SDL_Thread *read_tid;
-    SDL_Thread *video_tid;
-    SDL_Thread *audio_tid;
     AVInputFormat *iformat;
     int abort_request;
     int force_refresh;
@@ -264,7 +263,6 @@ typedef struct VideoState {
     int xpos;
     double last_vis_time;
 
-    SDL_Thread *subtitle_tid;
     int subtitle_stream;
     AVStream *subtitle_st;
     PacketQueue subtitleq;
@@ -280,6 +278,7 @@ typedef struct VideoState {
     struct SwsContext *img_convert_ctx;
 #endif
     SDL_Rect last_display_rect;
+    int eof;
 
     char filename[1024];
     int width, height, xleft, ytop;
@@ -768,6 +767,15 @@ static int64_t frame_queue_last_pos(FrameQueue *f)
         return -1;
 }
 
+static void decoder_abort(Decoder *d, FrameQueue *fq)
+{
+    packet_queue_abort(d->queue);
+    frame_queue_signal(fq);
+    SDL_WaitThread(d->decoder_tid, NULL);
+    d->decoder_tid = NULL;
+    packet_queue_flush(d->queue);
+}
+
 static inline void fill_rectangle(SDL_Surface *screen,
                                   int x, int y, int w, int h, int color, int update)
 {
@@ -1494,7 +1502,7 @@ static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_by
 static void stream_toggle_pause(VideoState *is)
 {
     if (is->paused) {
-        is->frame_timer += av_gettime_relative() / 1000000.0 + is->vidclk.pts_drift - is->vidclk.pts;
+        is->frame_timer += av_gettime_relative() / 1000000.0 - is->vidclk.last_updated;
         if (is->read_pause_return != AVERROR(ENOSYS)) {
             is->vidclk.paused = 0;
         }
@@ -2196,6 +2204,12 @@ static int audio_thread(void *arg)
     return ret;
 }
 
+static void decoder_start(Decoder *d, int (*fn)(void *), void *arg)
+{
+    packet_queue_start(d->queue);
+    d->decoder_tid = SDL_CreateThread(fn, arg);
+}
+
 static int video_thread(void *arg)
 {
     VideoState *is = arg;
@@ -2687,6 +2701,7 @@ static int stream_component_open(VideoState *is, int stream_index)
         goto fail;
     }
 
+    is->eof = 0;
     ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
     switch (avctx->codec_type) {
     case AVMEDIA_TYPE_AUDIO:
@@ -2729,31 +2744,28 @@ static int stream_component_open(VideoState *is, int stream_index)
         is->audio_stream = stream_index;
         is->audio_st = ic->streams[stream_index];
 
-        packet_queue_start(&is->audioq);
         decoder_init(&is->auddec, avctx, &is->audioq, is->continue_read_thread);
         if ((is->ic->iformat->flags & (AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH | AVFMT_NO_BYTE_SEEK)) && !is->ic->iformat->read_seek) {
             is->auddec.start_pts = is->audio_st->start_time;
             is->auddec.start_pts_tb = is->audio_st->time_base;
         }
-        is->audio_tid = SDL_CreateThread(audio_thread, is);
+        decoder_start(&is->auddec, audio_thread, is);
         SDL_PauseAudio(0);
         break;
     case AVMEDIA_TYPE_VIDEO:
         is->video_stream = stream_index;
         is->video_st = ic->streams[stream_index];
 
-        packet_queue_start(&is->videoq);
         decoder_init(&is->viddec, avctx, &is->videoq, is->continue_read_thread);
-        is->video_tid = SDL_CreateThread(video_thread, is);
+        decoder_start(&is->viddec, video_thread, is);
         is->queue_attachments_req = 1;
         break;
     case AVMEDIA_TYPE_SUBTITLE:
         is->subtitle_stream = stream_index;
         is->subtitle_st = ic->streams[stream_index];
 
-        packet_queue_start(&is->subtitleq);
         decoder_init(&is->subdec, avctx, &is->subtitleq, is->continue_read_thread);
-        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
+        decoder_start(&is->subdec, subtitle_thread, is);
         break;
     default:
         break;
@@ -2776,13 +2788,9 @@ static void stream_component_close(VideoState *is, int stream_index)
 
     switch (avctx->codec_type) {
     case AVMEDIA_TYPE_AUDIO:
-        packet_queue_abort(&is->audioq);
-        frame_queue_signal(&is->sampq);
+        decoder_abort(&is->auddec, &is->sampq);
         SDL_CloseAudio();
-        SDL_WaitThread(is->audio_tid, NULL);
-
         decoder_destroy(&is->auddec);
-        packet_queue_flush(&is->audioq);
         swr_free(&is->swr_ctx);
         av_freep(&is->audio_buf1);
         is->audio_buf1_size = 0;
@@ -2796,28 +2804,12 @@ static void stream_component_close(VideoState *is, int stream_index)
         }
         break;
     case AVMEDIA_TYPE_VIDEO:
-        packet_queue_abort(&is->videoq);
-
-        /* note: we also signal this mutex to make sure we deblock the
-           video thread in all cases */
-        frame_queue_signal(&is->pictq);
-
-        SDL_WaitThread(is->video_tid, NULL);
-
+        decoder_abort(&is->viddec, &is->pictq);
         decoder_destroy(&is->viddec);
-        packet_queue_flush(&is->videoq);
         break;
     case AVMEDIA_TYPE_SUBTITLE:
-        packet_queue_abort(&is->subtitleq);
-
-        /* note: we also signal this mutex to make sure we deblock the
-           video thread in all cases */
-        frame_queue_signal(&is->subpq);
-
-        SDL_WaitThread(is->subtitle_tid, NULL);
-
+        decoder_abort(&is->subdec, &is->subpq);
         decoder_destroy(&is->subdec);
-        packet_queue_flush(&is->subtitleq);
         break;
     default:
         break;
@@ -2873,7 +2865,6 @@ static int read_thread(void *arg)
     int err, i, ret;
     int st_index[AVMEDIA_TYPE_NB];
     AVPacket pkt1, *pkt = &pkt1;
-    int eof = 0;
     int64_t stream_start_time;
     int pkt_in_play_range = 0;
     AVDictionaryEntry *t;
@@ -2887,6 +2878,7 @@ static int read_thread(void *arg)
     is->last_video_stream = is->video_stream = -1;
     is->last_audio_stream = is->audio_stream = -1;
     is->last_subtitle_stream = is->subtitle_stream = -1;
+    is->eof = 0;
 
     ic = avformat_alloc_context();
     ic->interrupt_callback.callback = decode_interrupt_cb;
@@ -3084,7 +3076,7 @@ static int read_thread(void *arg)
             }
             is->seek_req = 0;
             is->queue_attachments_req = 1;
-            eof = 0;
+            is->eof = 0;
             if (is->paused)
                 step_to_next_frame(is);
         }
@@ -3124,14 +3116,14 @@ static int read_thread(void *arg)
         }
         ret = av_read_frame(ic, pkt);
         if (ret < 0) {
-            if ((ret == AVERROR_EOF || avio_feof(ic->pb)) && !eof) {
+            if ((ret == AVERROR_EOF || avio_feof(ic->pb)) && !is->eof) {
                 if (is->video_stream >= 0)
                     packet_queue_put_nullpacket(&is->videoq, is->video_stream);
                 if (is->audio_stream >= 0)
                     packet_queue_put_nullpacket(&is->audioq, is->audio_stream);
                 if (is->subtitle_stream >= 0)
                     packet_queue_put_nullpacket(&is->subtitleq, is->subtitle_stream);
-                eof = 1;
+                is->eof = 1;
             }
             if (ic->pb && ic->pb->error)
                 break;
@@ -3140,7 +3132,7 @@ static int read_thread(void *arg)
             SDL_UnlockMutex(wait_mutex);
             continue;
         } else {
-            eof = 0;
+            is->eof = 0;
         }
         /* check if packet is in play range specified by user, then queue, otherwise discard */
         stream_start_time = ic->streams[pkt->stream_index]->start_time;