diff options
| author | jstebbins <[email protected]> | 2014-10-02 21:05:08 +0000 |
|---|---|---|
| committer | jstebbins <[email protected]> | 2014-10-02 21:05:08 +0000 |
| commit | 7265c862c042e81f0b86e7df8b58ee69d9cb9e83 (patch) | |
| tree | 9289bb66d25218890c73331c55f91dedb57688a0 /libhb/scan.c | |
| parent | 9254fa47939e055f39f1cd5f8db52268d498558d (diff) | |
libhb: improve preview generateion when there are no IDRs
Puts the decoder into a mode that returns *all* frames. I.e.
it won't just scan to the end of the file looking for an IDR. Then
we decode multiple frames (up to 100) searching for an I frame. This way,
the reconstructed frame we use for a preview is more likely to be complete.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6430 b64f7644-9d1e-0410-96f1-a4d463321fa5
Diffstat (limited to 'libhb/scan.c')
| -rw-r--r-- | libhb/scan.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libhb/scan.c b/libhb/scan.c index 5726e8a5d..08b8e9e24 100644 --- a/libhb/scan.c +++ b/libhb/scan.c @@ -493,6 +493,7 @@ static int DecodePreviews( hb_scan_t * data, hb_title_t * title, int flush ) int pulldown_count = 0; int doubled_frame_count = 0; int interlaced_preview_count = 0; + int frame_wait = 0; hb_stream_t * stream = NULL; info_list_t * info_list = calloc( data->preview_count+1, sizeof(*info_list) ); crop_record_t *crops = crop_record_init( data->preview_count ); @@ -590,6 +591,10 @@ static int DecodePreviews( hb_scan_t * data, hb_title_t * title, int flush ) if (flush && vid_decoder->flush) vid_decoder->flush( vid_decoder ); + if (title->flags & HBTF_NO_IDR) + { + frame_wait = 100; + } hb_buffer_t * vid_buf = NULL; @@ -660,6 +665,18 @@ static int DecodePreviews( hb_scan_t * data, hb_title_t * title, int flush ) if( buf_es->s.id == title->video_id && vid_buf == NULL ) { vid_decoder->work( vid_decoder, &buf_es, &vid_buf ); + if (vid_buf != NULL && frame_wait) + { + if (vid_buf->s.frametype != HB_FRAME_I) + { + hb_buffer_close(&vid_buf); + frame_wait--; + } + else + { + frame_wait = 0; + } + } } else if( ! AllAudioOK( title ) ) { |