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-rw-r--r--libhb/decavcodec.c18
-rw-r--r--libhb/internal.h4
-rw-r--r--libhb/scan.c21
-rw-r--r--libhb/stream.c10
4 files changed, 46 insertions, 7 deletions
diff --git a/libhb/decavcodec.c b/libhb/decavcodec.c
index 9b7be6702..bfa5f221d 100644
--- a/libhb/decavcodec.c
+++ b/libhb/decavcodec.c
@@ -86,6 +86,7 @@ struct hb_work_private_s
AVCodecContext *context;
AVCodecParserContext *parser;
AVFrame *frame;
+ hb_buffer_t *palette;
int threads;
int video_codec_opened;
hb_list_t *list;
@@ -1175,6 +1176,18 @@ static int decodeFrame( hb_work_object_t *w, uint8_t *data, int size, int sequen
avp.size = size;
avp.pts = pts;
avp.dts = dts;
+
+ if (pv->palette != NULL)
+ {
+ uint8_t * palette;
+ int size;
+ palette = av_packet_new_side_data(&avp, AV_PKT_DATA_PALETTE,
+ AVPALETTE_SIZE);
+ size = MIN(pv->palette->size, AVPALETTE_SIZE);
+ memcpy(palette, pv->palette->data, size);
+ hb_buffer_close(&pv->palette);
+ }
+
/*
* libav avcodec_decode_video2() needs AVPacket flagged with AV_PKT_FLAG_KEY
* for some codecs. For example, sequence of PNG in a mov container.
@@ -1882,6 +1895,11 @@ static int decavcodecvWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
pv->dxva2->input_dts = dts;
}
#endif
+ if (in->palette != NULL)
+ {
+ pv->palette = in->palette;
+ in->palette = NULL;
+ }
decodeVideo( w, in->data, in->size, in->sequence, pts, dts, in->s.frametype );
hb_buffer_close( &in );
*buf_out = link_buf_list( pv );
diff --git a/libhb/internal.h b/libhb/internal.h
index 5255c6fac..e3b81cd0c 100644
--- a/libhb/internal.h
+++ b/libhb/internal.h
@@ -130,6 +130,10 @@ struct hb_buffer_s
enum { HOST, DEVICE } buffer_location;
} cl;
+ // libav may attach AV_PKT_DATA_PALETTE side data to some AVPackets
+ // Store this data here when read and pass to decoder.
+ hb_buffer_t * palette;
+
// PICTURESUB subtitle packets:
// Video packets (after processing by the hb_sync_video work-object):
diff --git a/libhb/scan.c b/libhb/scan.c
index 0e601bb1d..5d8666592 100644
--- a/libhb/scan.c
+++ b/libhb/scan.c
@@ -554,13 +554,20 @@ static int DecodePreviews( hb_scan_t * data, hb_title_t * title )
}
else if (data->stream)
{
- /* we start reading streams at zero rather than 1/11 because
- * short streams may have only one sequence header in the entire
- * file and we need it to decode any previews. */
- if (!hb_stream_seek(data->stream, (float) i / ( data->preview_count + 1.0 ) ) )
- {
- continue;
- }
+ /* we start reading streams at zero rather than 1/11 because
+ * short streams may have only one sequence header in the entire
+ * file and we need it to decode any previews.
+ *
+ * Also, seeking to position 0 loses the palette of avi files
+ * so skip initial seek */
+ if (i != 0)
+ {
+ if (!hb_stream_seek(data->stream,
+ (float)i / (data->preview_count + 1.0)))
+ {
+ continue;
+ }
+ }
}
hb_deep_log( 2, "scan: preview %d", i + 1 );
diff --git a/libhb/stream.c b/libhb/stream.c
index 7f411a297..2b551e7ca 100644
--- a/libhb/stream.c
+++ b/libhb/stream.c
@@ -5639,6 +5639,16 @@ hb_buffer_t * hb_ffmpeg_read( hb_stream_t *stream )
}
buf = hb_buffer_init( stream->ffmpeg_pkt->size );
memcpy( buf->data, stream->ffmpeg_pkt->data, stream->ffmpeg_pkt->size );
+
+ const uint8_t *palette;
+ int size;
+ palette = av_packet_get_side_data(stream->ffmpeg_pkt,
+ AV_PKT_DATA_PALETTE, &size);
+ if (palette != NULL)
+ {
+ buf->palette = hb_buffer_init( size );
+ memcpy( buf->palette->data, palette, size );
+ }
}
buf->s.id = stream->ffmpeg_pkt->stream_index;