X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=avplay.c;h=b70ee54c7b904b4073fb7d8f2c2c3be506bcde01;hb=929ec39ec4497827f7530f2aaa31646ef35462ee;hp=96e0cf2d9efae6c2845bda070c03fcc5b243f9bd;hpb=8f8bc92365a943e96cc08b5369408c20f35193c7;p=ffmpeg

diff --git a/avplay.c b/avplay.c
index 96e0cf2d9ef..b70ee54c7b9 100644
--- a/avplay.c
+++ b/avplay.c
@@ -1846,8 +1846,7 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
             if (!is->frame) {
                 if (!(is->frame = av_frame_alloc()))
                     return AVERROR(ENOMEM);
-            } else
-                avcodec_get_frame_defaults(is->frame);
+            }
 
             if (flush_complete)
                 break;
@@ -2152,7 +2151,7 @@ static void stream_component_close(VideoState *is, int stream_index)
             avresample_free(&is->avr);
         av_freep(&is->audio_buf1);
         is->audio_buf = NULL;
-        avcodec_free_frame(&is->frame);
+        av_frame_free(&is->frame);
 
         if (is->rdft) {
             av_rdft_end(is->rdft);
@@ -2602,6 +2601,33 @@ static void toggle_audio_display(void)
     }
 }
 
+static void seek_chapter(VideoState *is, int incr)
+{
+    int64_t pos = get_master_clock(is) * AV_TIME_BASE;
+    int i;
+
+    if (!is->ic->nb_chapters)
+        return;
+
+    /* find the current chapter */
+    for (i = 0; i < is->ic->nb_chapters; i++) {
+        AVChapter *ch = is->ic->chapters[i];
+        if (av_compare_ts(pos, AV_TIME_BASE_Q, ch->start, ch->time_base) < 0) {
+            i--;
+            break;
+        }
+    }
+
+    i += incr;
+    i = FFMAX(i, 0);
+    if (i >= is->ic->nb_chapters)
+        return;
+
+    av_log(NULL, AV_LOG_VERBOSE, "Seeking to chapter %d.\n", i);
+    stream_seek(is, av_rescale_q(is->ic->chapters[i]->start, is->ic->chapters[i]->time_base,
+                                 AV_TIME_BASE_Q), 0, 0);
+}
+
 /* handle an event sent by the GUI */
 static void event_loop(void)
 {
@@ -2647,6 +2673,12 @@ static void event_loop(void)
             case SDLK_w:
                 toggle_audio_display();
                 break;
+            case SDLK_PAGEUP:
+                seek_chapter(cur_stream, 1);
+                break;
+            case SDLK_PAGEDOWN:
+                seek_chapter(cur_stream, -1);
+                break;
             case SDLK_LEFT:
                 incr = -10.0;
                 goto do_seek;