avcodec/av1_parser: set context values outside the OBU parsing loop

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 634a44db5a621e59079fbeb00ec62f2f6c9fdd8b)

libavcodec/av1_parser.c

@@ -53,6 +53,8 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
     AV1ParseContext *s = ctx->priv_data;
     CodedBitstreamFragment *td = &s->temporal_unit;
     CodedBitstreamAV1Context *av1 = s->cbc->priv_data;
+    AV1RawSequenceHeader *seq;
+    AV1RawColorConfig *color;
     int ret;
 
     *out_data = data;
@@ -86,11 +88,12 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
         goto end;
     }
 
+    seq = av1->sequence_header;
+    color = &seq->color_config;
+
     for (int i = 0; i < td->nb_units; i++) {
         CodedBitstreamUnit *unit = &td->units[i];
         AV1RawOBU *obu = unit->content;
-        AV1RawSequenceHeader *seq = av1->sequence_header;
-        AV1RawColorConfig *color = &seq->color_config;
         AV1RawFrameHeader *frame;
         int frame_type;
 
@@ -127,9 +130,6 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
             ctx->key_frame = frame_type == AV1_FRAME_KEY;
         }
 
-        avctx->profile = seq->seq_profile;
-        avctx->level   = seq->seq_level_idx[0];
-
         switch (frame_type) {
         case AV1_FRAME_KEY:
         case AV1_FRAME_INTRA_ONLY:
@@ -143,6 +143,7 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
             break;
         }
         ctx->picture_structure = AV_PICTURE_STRUCTURE_FRAME;
+    }
 
     switch (av1->bit_depth) {
     case 8:
@@ -160,6 +161,9 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
     }
     av_assert2(ctx->format != AV_PIX_FMT_NONE);
 
+    avctx->profile = seq->seq_profile;
+    avctx->level   = seq->seq_level_idx[0];
+
     avctx->colorspace = (enum AVColorSpace) color->matrix_coefficients;
     avctx->color_primaries = (enum AVColorPrimaries) color->color_primaries;
     avctx->color_trc = (enum AVColorTransferCharacteristic) color->transfer_characteristics;
@@ -170,7 +174,6 @@ static int av1_parser_parse(AVCodecParserContext *ctx,
         if (ret < 0)
             goto end;
     }
-    }
 
     if (avctx->framerate.num)
         avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));