libxvid: Drop PPC-specific CPU detection hack

[ffmpeg] / avplay.c

diff --git a/avplay.c b/avplay.c
index 1cec241c200bb008ad4fc37fcf8e88d2898f4366..2db892849b94b1ae15d75bc8aeb1b1de0f4579d2 100644 (file)
--- a/avplay.c
+++ b/avplay.c
@@ -1323,6 +1323,8 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t
 
     vp = &is->pictq[is->pictq_windex];
 
+    vp->sar = src_frame->sample_aspect_ratio;
+
     /* alloc or resize hardware picture buffer */
     if (!vp->bmp || vp->reallocate ||
 #if CONFIG_AVFILTER
@@ -1846,8 +1848,7 @@ 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;
@@ -2602,6 +2603,33 @@ 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 +2675,12 @@ 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;