avcodec/cavsdec: fix low delay decoding

[ffmpeg] / libavcodec / cavsdec.c

diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c
index 93d1c59d5ac9c2ea50bcb3aacf33eb301a83cc9a..51f6e25d34f75a612da219242d560c646911c965 100644 (file)
--- a/libavcodec/cavsdec.c
+++ b/libavcodec/cavsdec.c
@@ -904,7 +904,7 @@ static inline int decode_slice_header(AVSContext *h, GetBitContext *gb)
 
     /* mark top macroblocks as unavailable */
     h->flags &= ~(B_AVAIL | C_AVAIL);
-    if ((h->mby == 0) && (!h->qp_fixed)) {
+    if (!h->pic_qp_fixed) {
         h->qp_fixed = get_bits1(gb);
         h->qp       = get_bits(gb, 6);
     }
@@ -1027,6 +1027,7 @@ static int decode_pic(AVSContext *h)
         skip_bits1(&h->gb);     //advanced_pred_mode_disable
     skip_bits1(&h->gb);        //top_field_first
     skip_bits1(&h->gb);        //repeat_first_field
+    h->pic_qp_fixed =
     h->qp_fixed = get_bits1(&h->gb);
     h->qp       = get_bits(&h->gb, 6);
     if (h->cur.f->pict_type == AV_PICTURE_TYPE_I) {
@@ -1198,8 +1199,8 @@ static int cavs_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                 break;
             *got_frame = 1;
             if (h->cur.f->pict_type != AV_PICTURE_TYPE_B) {
-                if (h->DPB[1].f->data[0]) {
-                    if ((ret = av_frame_ref(data, h->DPB[1].f)) < 0)
+                if (h->DPB[!h->low_delay].f->data[0]) {
+                    if ((ret = av_frame_ref(data, h->DPB[!h->low_delay].f)) < 0)
                         return ret;
                 } else {
                     *got_frame = 0;