[FFmpeg-devel] [PATCH 2/2] lavc/dxva: properly namespace public symbols

Michael Niedermayer michael at niedermayer.cc
Thu Feb 17 14:10:24 EET 2022


On Thu, Feb 17, 2022 at 10:13:15AM +0100, Anton Khirnov wrote:
> ---
>  doc/APIchanges              |  6 ++++++
>  libavcodec/dxva2.c          |  4 ++--
>  libavcodec/dxva2.h          | 18 ++++++++++++++----
>  libavcodec/dxva2_h264.c     |  8 ++++----
>  libavcodec/dxva2_internal.h |  4 ++--
>  libavcodec/version.h        |  3 ++-
>  6 files changed, 30 insertions(+), 13 deletions(-)

This doesnt build

CC	libavcodec/dxva2.o
In file included from src/libavcodec/dxva2_internal.h:34:0,
                 from src/libavcodec/dxva2.c:33:
src/libavcodec/dxva2.h:23:0: error: unterminated #ifndef
 #ifndef AVCODEC_DXVA2_H
 
In file included from src/libavcodec/dxva2_internal.h:35:0,
                 from src/libavcodec/dxva2.c:33:
src/libavutil/hwcontext_dxva2.h:39:1: error: duplicate ‘typedef’
 typedef struct AVDXVA2DeviceContext {
 ^~~~~~~
src/libavutil/hwcontext_dxva2.h:39:9: error: two or more data types in declaration specifiers
 typedef struct AVDXVA2DeviceContext {
         ^~~~~~
In file included from src/libavcodec/dxva2_internal.h:38:0,
                 from src/libavcodec/dxva2.c:33:
src/libavcodec/d3d11va.h:48:0: warning: "FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG" redefined
 #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for Direct3D11 and old UVD/UVD+ ATI video cards
 
In file included from src/libavcodec/dxva2_internal.h:34:0,
                 from src/libavcodec/dxva2.c:33:
src/libavcodec/dxva2.h:52:0: note: this is the location of the previous definition
 #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG AV_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG
 
In file included from src/libavcodec/dxva2_internal.h:38:0,
                 from src/libavcodec/dxva2.c:33:
src/libavcodec/d3d11va.h:49:0: warning: "FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO" redefined
 #define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO    2 ///< Work around for Direct3D11 and old Intel GPUs with ClearVideo interface
 
In file included from src/libavcodec/dxva2_internal.h:34:0,
                 from src/libavcodec/dxva2.c:33:
src/libavcodec/dxva2.h:53:0: note: this is the location of the previous definition
 #define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO    AV_DXVA2_WORKAROUND_INTEL_CLEARVIDEO
 
In file included from src/libavcodec/dxva2.c:33:0:
src/libavcodec/dxva2_internal.h:63:5: error: unknown type name ‘AVDXVA2DecodeContext’
     AVDXVA2DecodeContext dxva2;
     ^~~~~~~~~~~~~~~~~~~~
In file included from src/libavcodec/dxva2.h:39:0,
                 from src/libavcodec/dxva2_internal.h:34,
                 from src/libavcodec/dxva2.c:33:
src/libavcodec/dxva2.c: In function ‘dxva2_create_decoder’:
src/libavcodec/dxva2.c:359:63: error: dereferencing pointer to incomplete type ‘AVDXVA2DeviceContext {aka struct dxva_context}’
     hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
                                                               ^
src/libavcodec/dxva2.c: In function ‘ff_dxva2_decode_init’:
src/libavcodec/dxva2.c:707:9: error: unknown type name ‘AVDXVA2DecodeContext’; did you mean ‘AVDXVA2DeviceContext’?
         AVDXVA2DecodeContext *dxva_ctx = &sctx->ctx.dxva2;
         ^~~~~~~~~~~~~~~~~~~~
         AVDXVA2DeviceContext
src/libavcodec/dxva2.c:715:17: error: request for member ‘decoder’ in something not a structure or union
         dxva_ctx->decoder       = sctx->dxva2_decoder;
                 ^~
src/libavcodec/dxva2.c:716:17: error: request for member ‘cfg’ in something not a structure or union
         dxva_ctx->cfg           = &sctx->dxva2_config;
                 ^~
src/libavcodec/dxva2.c:717:17: error: request for member ‘surface’ in something not a structure or union
         dxva_ctx->surface       = frames_hwctx->surfaces;
                 ^~
src/libavcodec/dxva2.c:718:17: error: request for member ‘surface_count’ in something not a structure or union
         dxva_ctx->surface_count = frames_hwctx->nb_surfaces;
                 ^~
src/libavcodec/dxva2.c:719:17: error: request for member ‘workaround’ in something not a structure or union
         dxva_ctx->workaround    = sctx->workaround;
                 ^~
In file included from src/libavcodec/dxva2.c:33:0:
src/libavcodec/dxva2.c: In function ‘ff_dxva2_get_surface_index’:
src/libavcodec/dxva2_internal.h:106:116: error: request for member ‘surface_count’ in something not a structure or union
 #define DXVA_CONTEXT_COUNT(avctx, ctx)          (ff_dxva2_is_d3d11(avctx) ? ctx->d3d11va.surface_count : ctx->dxva2.surface_count)
                                                                                                                    ^
src/libavcodec/dxva2.c:787:21: note: in expansion of macro ‘DXVA_CONTEXT_COUNT’
     for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
                     ^
src/libavcodec/dxva2.c:788:65: error: request for member ‘surface’ in something not a structure or union
         if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && ctx->dxva2.surface[i] == surface)
                                                                 ^
In file included from src/libavcodec/dxva2.h:39:0,
                 from src/libavcodec/dxva2_internal.h:34,
                 from src/libavcodec/dxva2.c:33:
src/libavcodec/dxva2.c: In function ‘ff_dxva2_commit_buffer’:
src/libavcodec/dxva2.c:817:63: error: request for member ‘decoder’ in something not a structure or union
         hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
                                                               ^
src/libavcodec/dxva2.c:817:63: error: request for member ‘decoder’ in something not a structure or union
         hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
                                                               ^
src/libavcodec/dxva2.c:859:67: error: request for member ‘decoder’ in something not a structure or union
         hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
                                                                   ^
src/libavcodec/dxva2.c:859:67: error: request for member ‘decoder’ in something not a structure or union
         hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
                                                                   ^
src/libavcodec/dxva2.c: In function ‘ff_dxva2_common_end_frame’:
src/libavcodec/dxva2.c:923:68: error: request for member ‘decoder’ in something not a structure or union
             hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
                                                                    ^
src/libavcodec/dxva2.c:923:68: error: request for member ‘decoder’ in something not a structure or union
             hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
                                                                    ^
src/libavcodec/dxva2.c:1025:61: error: request for member ‘decoder’ in something not a structure or union
         hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
                                                             ^
src/libavcodec/dxva2.c:1025:61: error: request for member ‘decoder’ in something not a structure or union
         hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
                                                             ^
src/libavcodec/dxva2.c:1040:62: error: request for member ‘decoder’ in something not a structure or union
         hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
                                                              ^
src/libavcodec/dxva2.c:1040:62: error: request for member ‘decoder’ in something not a structure or union
         hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
                                                              ^
src/ffbuild/common.mak:78: recipe for target 'libavcodec/dxva2.o' failed
make: *** [libavcodec/dxva2.o] Error 1



[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In fact, the RIAA has been known to suggest that students drop out
of college or go to community college in order to be able to afford
settlements. -- The RIAA
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