diff options
| -rw-r--r-- | avplay.c | 33 | ||||
| -rw-r--r-- | doc/avplay.texi | 3 |
2 files changed, 36 insertions, 0 deletions
@@ -2601,6 +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) { @@ -2646,6 +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; diff --git a/doc/avplay.texi b/doc/avplay.texi index 4d9af5f562..71981f6d5d 100644 --- a/doc/avplay.texi +++ b/doc/avplay.texi @@ -147,6 +147,9 @@ Seek backward/forward 10 seconds. @item down/up Seek backward/forward 1 minute. +@item PGDOWN/PGUP +Seek to the previous/next chapter. + @item mouse click Seek to percentage in file corresponding to fraction of width. |