shithub: openh264

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support au_delimiter as first NAL in seq

--- a/codec/common/inc/wels_common_defs.h

+++ b/codec/common/inc/wels_common_defs.h

@@ -147,6 +147,7 @@

 #define IS_SUBSET_SPS_NAL(t)                    ( (t) == NAL_UNIT_SUBSET_SPS )

 #define IS_PPS_NAL(t)                           ( (t) == NAL_UNIT_PPS )

 #define IS_SEI_NAL(t)                           ( (t) == NAL_UNIT_SEI )

+#define IS_AU_DELIMITER_NAL(t)                  ( (t) == NAL_UNIT_AU_DELIMITER )

 #define IS_PREFIX_NAL(t)                        ( (t) == NAL_UNIT_PREFIX )

 #define IS_SUBSET_SPS_USED(t)                   ( (t) == NAL_UNIT_SUBSET_SPS || (t) == NAL_UNIT_CODED_SLICE_EXT )

 #define IS_VCL_NAL_AVC_BASE(t)                  ( (t) == NAL_UNIT_CODED_SLICE || (t) == NAL_UNIT_CODED_SLICE_IDR )

--- a/codec/decoder/core/src/au_parser.cpp

+++ b/codec/decoder/core/src/au_parser.cpp

@@ -146,7 +146,7 @@

   ++ (*pConsumedBytes);

   if (! (IS_SEI_NAL (pNalUnitHeader->eNalUnitType) || IS_SPS_NAL (pNalUnitHeader->eNalUnitType)

-         || pCtx->bSpsExistAheadFlag)) {

+         || IS_AU_DELIMITER_NAL (pNalUnitHeader->eNalUnitType) || pCtx->bSpsExistAheadFlag)) {

     if (pCtx->bPrintFrameErrorTraceFlag && pCtx->iSpsErrorIgnored == 0) {

       WelsLog (pLogCtx, WELS_LOG_WARNING,

                "parse_nal(), no exist Sequence Parameter Sets ahead of sequence when try to decode NAL(type:%d).",

@@ -160,7 +160,7 @@

   }

   pCtx->iSpsErrorIgnored = 0;

   if (! (IS_SEI_NAL (pNalUnitHeader->eNalUnitType) || IS_PARAM_SETS_NALS (pNalUnitHeader->eNalUnitType)

-         || pCtx->bPpsExistAheadFlag)) {

+         || IS_AU_DELIMITER_NAL (pNalUnitHeader->eNalUnitType) || pCtx->bPpsExistAheadFlag)) {

     if (pCtx->bPrintFrameErrorTraceFlag && pCtx->iPpsErrorIgnored == 0) {

       WelsLog (pLogCtx, WELS_LOG_WARNING,

                "parse_nal(), no exist Picture Parameter Sets ahead of sequence when try to decode NAL(type:%d).",