C++ VDPAUContext类代码示例

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本文整理汇总了C++中VDPAUContext类的典型用法代码示例。如果您正苦于以下问题：C++ VDPAUContext类的具体用法？C++ VDPAUContext怎么用？C++ VDPAUContext使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了VDPAUContext类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: ff_vdpau_common_end_frame

int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
                              struct vdpau_picture_context *pic_ctx)
{
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
    AVVDPAUContext *hwctx = avctx->hwaccel_context;
    VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
    VdpStatus status;
    int val;

    val = ff_vdpau_common_reinit(avctx);
    if (val < 0)
        return val;

    if (hwctx && !hwctx->render && hwctx->render2) {
        status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
                                pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
    } else
    status = vdctx->render(vdctx->decoder, surf, &pic_ctx->info,
                           pic_ctx->bitstream_buffers_used,
                           pic_ctx->bitstream_buffers);

    av_freep(&pic_ctx->bitstream_buffers);

    return vdpau_error(status);
}

开发者ID:DeHackEd，项目名称:FFmpeg，代码行数:25，代码来源:vdpau.c

示例2: ff_vdpau_common_end_frame

int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
                              struct vdpau_picture_context *pic_ctx)
{
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
    AVVDPAUContext *hwctx = avctx->hwaccel_context;
    VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
    VdpStatus status;
    int val;

    val = ff_vdpau_common_reinit(avctx);
    if (val < 0)
        return val;

#if FF_API_BUFS_VDPAU
FF_DISABLE_DEPRECATION_WARNINGS
    if (hwctx) {
    av_assert0(sizeof(hwctx->info) <= sizeof(pic_ctx->info));
    memcpy(&hwctx->info, &pic_ctx->info, sizeof(hwctx->info));
    hwctx->bitstream_buffers = pic_ctx->bitstream_buffers;
    hwctx->bitstream_buffers_used = pic_ctx->bitstream_buffers_used;
    hwctx->bitstream_buffers_allocated = pic_ctx->bitstream_buffers_allocated;
    }
FF_ENABLE_DEPRECATION_WARNINGS
#endif

    if (hwctx && !hwctx->render && hwctx->render2) {
        status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
                                pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
    } else
    status = vdctx->render(vdctx->decoder, surf, &pic_ctx->info,
                           pic_ctx->bitstream_buffers_used,
                           pic_ctx->bitstream_buffers);

    av_freep(&pic_ctx->bitstream_buffers);

#if FF_API_BUFS_VDPAU
FF_DISABLE_DEPRECATION_WARNINGS
    if (hwctx) {
    hwctx->bitstream_buffers = NULL;
    hwctx->bitstream_buffers_used = 0;
    hwctx->bitstream_buffers_allocated = 0;
    }
FF_ENABLE_DEPRECATION_WARNINGS
#endif

    return vdpau_error(status);
}

开发者ID:Hero2000，项目名称:CainCamera，代码行数:47，代码来源:vdpau.c

示例3: ff_vdpau_common_uninit

int ff_vdpau_common_uninit(AVCodecContext *avctx)
{
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
    VdpDecoderDestroy *destroy;
    void *func;
    VdpStatus status;

    if (vdctx->device == VDP_INVALID_HANDLE)
        return 0; /* Decoder created and destroyed by user */
    if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
        return 0;

    status = vdctx->get_proc_address(vdctx->device,
                                     VDP_FUNC_ID_DECODER_DESTROY, &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        destroy = func;

    status = destroy(vdctx->decoder);
    return vdpau_error(status);
}

开发者ID:Hero2000，项目名称:CainCamera，代码行数:22，代码来源:vdpau.c

示例4: ff_vdpau_common_init

int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
                         int level)
{
    VDPAUHWContext *hwctx = avctx->hwaccel_context;
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
    VdpVideoSurfaceQueryCapabilities *surface_query_caps;
    VdpDecoderQueryCapabilities *decoder_query_caps;
    VdpDecoderCreate *create;
    void *func;
    VdpStatus status;
    VdpBool supported;
    uint32_t max_level, max_mb, max_width, max_height;
    VdpChromaType type;
    uint32_t width;
    uint32_t height;

    vdctx->width            = UINT32_MAX;
    vdctx->height           = UINT32_MAX;

    if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
        return AVERROR(ENOSYS);

    if (hwctx) {
        hwctx->reset            = 0;

        if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
            vdctx->decoder = hwctx->context.decoder;
            vdctx->render  = hwctx->context.render;
            vdctx->device  = VDP_INVALID_HANDLE;
            return 0; /* Decoder created by user */
        }

        vdctx->device           = hwctx->device;
        vdctx->get_proc_address = hwctx->get_proc_address;

        if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
            level = 0;

        if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
            type != VDP_CHROMA_TYPE_420)
            return AVERROR(ENOSYS);
    } else {
        AVHWFramesContext *frames_ctx = NULL;
        AVVDPAUDeviceContext *dev_ctx;

        // We assume the hw_frames_ctx always survives until ff_vdpau_common_uninit
        // is called. This holds true as the user is not allowed to touch
        // hw_device_ctx, or hw_frames_ctx after get_format (and ff_get_format
        // itself also uninits before unreffing hw_frames_ctx).
        if (avctx->hw_frames_ctx) {
            frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
        } else if (avctx->hw_device_ctx) {
            int ret;

            avctx->hw_frames_ctx = av_hwframe_ctx_alloc(avctx->hw_device_ctx);
            if (!avctx->hw_frames_ctx)
                return AVERROR(ENOMEM);

            frames_ctx            = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
            frames_ctx->format    = AV_PIX_FMT_VDPAU;
            frames_ctx->sw_format = avctx->sw_pix_fmt;
            frames_ctx->width     = avctx->coded_width;
            frames_ctx->height    = avctx->coded_height;

            ret = av_hwframe_ctx_init(avctx->hw_frames_ctx);
            if (ret < 0) {
                av_buffer_unref(&avctx->hw_frames_ctx);
                return ret;
            }
        }

        if (!frames_ctx) {
            av_log(avctx, AV_LOG_ERROR, "A hardware frames context is "
                   "required for VDPAU decoding.\n");
            return AVERROR(EINVAL);
        }

        dev_ctx = frames_ctx->device_ctx->hwctx;

        vdctx->device           = dev_ctx->device;
        vdctx->get_proc_address = dev_ctx->get_proc_address;

        if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
            level = 0;
    }

    if (level < 0)
        return AVERROR(ENOTSUP);

    status = vdctx->get_proc_address(vdctx->device,
                                     VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        surface_query_caps = func;

    status = surface_query_caps(vdctx->device, type, &supported,
                                &max_width, &max_height);
    if (status != VDP_STATUS_OK)
//.........这里部分代码省略.........

开发者ID:Hero2000，项目名称:CainCamera，代码行数:101，代码来源:vdpau.c

示例5: ff_vdpau_common_init

int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
                         int level)
{
    VDPAUHWContext *hwctx = avctx->hwaccel_context;
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
    VdpVideoSurfaceQueryCapabilities *surface_query_caps;
    VdpDecoderQueryCapabilities *decoder_query_caps;
    VdpDecoderCreate *create;
    void *func;
    VdpStatus status;
    VdpBool supported;
    uint32_t max_level, max_mb, max_width, max_height;
    /* See vdpau/vdpau.h for alignment constraints. */
    uint32_t width  = (avctx->coded_width + 1) & ~1;
    uint32_t height = (avctx->coded_height + 3) & ~3;

    vdctx->width            = UINT32_MAX;
    vdctx->height           = UINT32_MAX;

    if (!hwctx) {
        vdctx->device  = VDP_INVALID_HANDLE;
        av_log(avctx, AV_LOG_WARNING, "hwaccel_context has not been setup by the user application, cannot initialize\n");
        return 0;
    }

    if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
        vdctx->decoder = hwctx->context.decoder;
        vdctx->render  = hwctx->context.render;
        vdctx->device  = VDP_INVALID_HANDLE;
        return 0; /* Decoder created by user */
    }
    hwctx->reset            = 0;

    vdctx->device           = hwctx->device;
    vdctx->get_proc_address = hwctx->get_proc_address;

    if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
        level = 0;
    else if (level < 0)
        return AVERROR(ENOTSUP);

    status = vdctx->get_proc_address(vdctx->device,
                                     VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        surface_query_caps = func;

    status = surface_query_caps(vdctx->device, VDP_CHROMA_TYPE_420, &supported,
                                &max_width, &max_height);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    if (supported != VDP_TRUE ||
        max_width < width || max_height < height)
        return AVERROR(ENOTSUP);

    status = vdctx->get_proc_address(vdctx->device,
                                     VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        decoder_query_caps = func;

    status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
                                &max_mb, &max_width, &max_height);
#ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
    if (status != VDP_STATUS_OK && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
        /* Run-time backward compatibility for libvdpau 0.8 and earlier */
        profile = VDP_DECODER_PROFILE_H264_MAIN;
        status = decoder_query_caps(vdctx->device, profile, &supported,
                                    &max_level, &max_mb,
                                    &max_width, &max_height);
    }
#endif
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);

    if (supported != VDP_TRUE || max_level < level ||
        max_width < width || max_height < height)
        return AVERROR(ENOTSUP);

    status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        create = func;

    status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        vdctx->render = func;

    status = create(vdctx->device, profile, width, height, avctx->refs,
                    &vdctx->decoder);
    if (status == VDP_STATUS_OK) {
//.........这里部分代码省略.........

开发者ID:chongtianfeiyu，项目名称:FFmpeg，代码行数:101，代码来源:vdpau.c

示例6: ff_vdpau_common_init

int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
                         int level)
{
    VDPAUHWContext *hwctx = avctx->hwaccel_context;
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
    VdpVideoSurfaceQueryCapabilities *surface_query_caps;
    VdpDecoderQueryCapabilities *decoder_query_caps;
    VdpDecoderCreate *create;
    void *func;
    VdpStatus status;
    VdpBool supported;
    uint32_t max_level, max_mb, max_width, max_height;
    VdpChromaType type;
    uint32_t width;
    uint32_t height;

    vdctx->width            = UINT32_MAX;
    vdctx->height           = UINT32_MAX;
    hwctx->reset            = 0;

    if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
        vdctx->decoder = hwctx->context.decoder;
        vdctx->render  = hwctx->context.render;
        vdctx->device  = VDP_INVALID_HANDLE;
        return 0; /* Decoder created by user */
    }

    vdctx->device           = hwctx->device;
    vdctx->get_proc_address = hwctx->get_proc_address;

    if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
        level = 0;
    else if (level < 0)
        return AVERROR(ENOTSUP);

    if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
        return AVERROR(ENOSYS);

    if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
        type != VDP_CHROMA_TYPE_420)
        return AVERROR(ENOSYS);

    status = vdctx->get_proc_address(vdctx->device,
                                     VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        surface_query_caps = func;

    status = surface_query_caps(vdctx->device, type, &supported,
                                &max_width, &max_height);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    if (supported != VDP_TRUE ||
        max_width < width || max_height < height)
        return AVERROR(ENOTSUP);

    status = vdctx->get_proc_address(vdctx->device,
                                     VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        decoder_query_caps = func;

    status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
                                &max_mb, &max_width, &max_height);
#ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
    if ((status != VDP_STATUS_OK || supported != VDP_TRUE) && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
        profile = VDP_DECODER_PROFILE_H264_MAIN;
        status = decoder_query_caps(vdctx->device, profile, &supported,
                                    &max_level, &max_mb,
                                    &max_width, &max_height);
    }
#endif
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);

    if (supported != VDP_TRUE || max_level < level ||
        max_width < width || max_height < height)
        return AVERROR(ENOTSUP);

    status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        create = func;

    status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        vdctx->render = func;

    status = create(vdctx->device, profile, width, height, avctx->refs,
                    &vdctx->decoder);
    if (status == VDP_STATUS_OK) {
//.........这里部分代码省略.........

开发者ID:TheRyuu，项目名称:libav，代码行数:101，代码来源:vdpau.c

示例7: ff_vdpau_common_init

int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
                         int level)
{
    VDPAUHWContext *hwctx = avctx->hwaccel_context;
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
    VdpVideoSurfaceQueryCapabilities *surface_query_caps;
    VdpDecoderQueryCapabilities *decoder_query_caps;
    VdpDecoderCreate *create;
    VdpGetInformationString *info;
    const char *info_string;
    void *func;
    VdpStatus status;
    VdpBool supported;
    uint32_t max_level, max_mb, max_width, max_height;
    VdpChromaType type;
    uint32_t width;
    uint32_t height;
    int ret;

    vdctx->width            = UINT32_MAX;
    vdctx->height           = UINT32_MAX;

    if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
        return AVERROR(ENOSYS);

    if (hwctx) {
        hwctx->reset            = 0;

        if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
            vdctx->decoder = hwctx->context.decoder;
            vdctx->render  = hwctx->context.render;
            vdctx->device  = VDP_INVALID_HANDLE;
            return 0; /* Decoder created by user */
        }

        vdctx->device           = hwctx->device;
        vdctx->get_proc_address = hwctx->get_proc_address;

        if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
            level = 0;

        if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
            type != VDP_CHROMA_TYPE_420)
            return AVERROR(ENOSYS);
    } else {
        AVHWFramesContext *frames_ctx;
        AVVDPAUDeviceContext *dev_ctx;

        ret = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_VDPAU);
        if (ret < 0)
            return ret;

        frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
        dev_ctx = frames_ctx->device_ctx->hwctx;

        vdctx->device           = dev_ctx->device;
        vdctx->get_proc_address = dev_ctx->get_proc_address;

        if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
            level = 0;
    }

    if (level < 0)
        return AVERROR(ENOTSUP);

    status = vdctx->get_proc_address(vdctx->device,
                                     VDP_FUNC_ID_GET_INFORMATION_STRING,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        info = func;

    status = info(&info_string);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    if (avctx->codec_id == AV_CODEC_ID_HEVC && strncmp(info_string, "NVIDIA ", 7) == 0 &&
        !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
        int driver_version = 0;
        sscanf(info_string, "NVIDIA VDPAU Driver Shared Library  %d", &driver_version);
        if (driver_version < 410) {
            av_log(avctx, AV_LOG_VERBOSE, "HEVC with NVIDIA VDPAU drivers is buggy, skipping.\n");
            return AVERROR(ENOTSUP);
        }
    }

    status = vdctx->get_proc_address(vdctx->device,
                                     VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
                                     &func);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    else
        surface_query_caps = func;

    status = surface_query_caps(vdctx->device, type, &supported,
                                &max_width, &max_height);
    if (status != VDP_STATUS_OK)
        return vdpau_error(status);
    if (supported != VDP_TRUE ||
        max_width < width || max_height < height)
//.........这里部分代码省略.........

开发者ID:DeHackEd，项目名称:FFmpeg，代码行数:101，代码来源:vdpau.c

示例8: main

int main(int argc,char**argv)
{

//    win_x11_init_vdpau_procs();


    int fd=creat("out.yuv",0666);
    if(fd<0){
        fprintf(stderr,"Create yuv file Failed..\n");
        return 0;
    }

    int ret;
    av_register_all();
    avformat_network_init();

//    fmtctx=NULL;


    ret=avformat_open_input(&fmtctx,argv[1],NULL,NULL);
    if(ret<0){
        fprintf(stderr,"avformat_open_input() failed..\n");
        return -1;
    }



    ret=avformat_find_stream_info(fmtctx,NULL);
    if(ret<0){
        fprintf(stderr,"avformat_find_stream_info() failed..\n");
        return -1;
    }



    av_dump_format(fmtctx,0,argv[1],0);



    ret=av_find_best_stream(fmtctx,AVMEDIA_TYPE_VIDEO,-1,-1,NULL,0);
    if(ret<0){
        fprintf(stderr,"av_find_best_stream() failed..\n");
        return -3;
    }
    vst=ret;
    
    st=fmtctx->streams[ret];
    decctx=st->codec;
#if 0
/*    dec=avcodec_find_decoder_by_name("h264_vdpau");
    if(!dec){
        fprintf(stderr,"avcodec_find_decoder_by_name() failed..\n");
        return -4;
    }

*/
    decctx->opaque=&vd;
    dec=vd.openCodec(decctx);
#else

    decctx->opaque=&vc;
    dec=vc.open_vdpau_codec(decctx);

#endif

    ret=avcodec_open2(decctx,dec,NULL);
    if(ret<0){
        fprintf(stderr,"avcodec_open2() failed..\n");
        return -5;
    }

//    vc.make_decoder(decctx);

    AVPacket pkt;

    av_init_packet(&pkt);


    AVPicture p;

    AVFrame*frame=NULL;
    int got=0;
    int i=0;

    frame=av_frame_alloc();

    while(av_read_frame(fmtctx,&pkt)>=0){



        if(pkt.stream_index!=vst){
            continue; 
        }
    

        ret=avcodec_decode_video2(decctx,frame,&got,&pkt);
        if(ret<0){
            fprintf(stderr,"avcodec_decode() failed..\n");
            return -5; 
        }
//.........这里部分代码省略.........

开发者ID:yyd01245，项目名称:overlay_video_web，代码行数:101，代码来源:player.cpp

注：本文中的VDPAUContext类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ VDPAUContext类代码示例

示例1: ff_vdpau_common_end_frame

示例2: ff_vdpau_common_end_frame

示例3: ff_vdpau_common_uninit

示例4: ff_vdpau_common_init

示例5: ff_vdpau_common_init

示例6: ff_vdpau_common_init

示例7: ff_vdpau_common_init

示例8: main

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