make containers pass palette change in AVPacket

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 5 insertions, 7 deletions

diff --git a/libavcodec/qpeg.c b/libavcodec/qpeg.c
index ccd634ae80..c96184ff38 100644
--- a/libavcodec/qpeg.c
+++ b/libavcodec/qpeg.c
@@ -30,6 +30,7 @@ typedef struct QpegContext{
     AVCodecContext *avctx;
     AVFrame pic;
     uint8_t *refdata;
+    uint32_t pal[256];
 } QpegContext;
 
 static void qpeg_decode_intra(const uint8_t *src, uint8_t *dst, int size,
@@ -256,6 +257,7 @@ static int decode_frame(AVCodecContext *avctx,
     AVFrame * const p= (AVFrame*)&a->pic;
     uint8_t* outdata;
     int delta;
+    const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
 
     if(p->data[0])
         avctx->release_buffer(avctx, p);
@@ -274,11 +276,11 @@ static int decode_frame(AVCodecContext *avctx,
     }
 
     /* make the palette available on the way out */
-    memcpy(a->pic.data[1], a->avctx->palctrl->palette, AVPALETTE_SIZE);
-    if (a->avctx->palctrl->palette_changed) {
+    if (pal) {
         a->pic.palette_has_changed = 1;
-        a->avctx->palctrl->palette_changed = 0;
+        memcpy(a->pal, pal, AVPALETTE_SIZE);
     }
+    memcpy(a->pic.data[1], a->pal, AVPALETTE_SIZE);
 
     *data_size = sizeof(AVFrame);
     *(AVFrame*)data = a->pic;
@@ -289,10 +291,6 @@ static int decode_frame(AVCodecContext *avctx,
 static av_cold int decode_init(AVCodecContext *avctx){
     QpegContext * const a = avctx->priv_data;
 
-    if (!avctx->palctrl) {
-        av_log(avctx, AV_LOG_FATAL, "Missing required palette via palctrl\n");
-        return -1;
-    }
     a->avctx = avctx;
     avctx->pix_fmt= PIX_FMT_PAL8;
     a->refdata = av_malloc(avctx->width * avctx->height);