C++ (Cpp) dxva2_create_decoder Examples

Example #1

File: dxva2.c Project: qq361168780/mpv

static int dxva2_init_decoder(struct lavc_ctx *s, int w, int h)
{
    DXVA2Context *ctx = s->hwdec_priv;

    enum AVCodecID codec = s->avctx->codec_id;
    int profile = s->avctx->profile;
    if (codec == AV_CODEC_ID_H264 &&
        (profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH)
    {
        MP_ERR(ctx, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", profile);
        return -1;
    }
    if (codec == AV_CODEC_ID_HEVC && profile != FF_PROFILE_HEVC_MAIN) {
        MP_ERR(ctx, "Unsupported H.265 profile for DXVA2 HWAccel: %d\n", profile);
        return -1;
    }

    if (ctx->decoder)
        dxva2_destroy_decoder(s);

    if (dxva2_create_decoder(s, w, h, codec, profile) < 0) {
        MP_ERR(ctx, "Error creating the DXVA2 decoder\n");
        return -1;
    }

    return 0;
}

Example #2

File: ffplay_dxva2.c Project: chyxwzn/fplay

int dxva2_init(AVCodecContext *s)
{
    HwAccelContext *hac = s->opaque;
    DXVA2Context *ctx;
    int ret;

    if (!hac->hwaccel_ctx) {
        ret = dxva2_alloc(s);
        if (ret < 0)
            return ret;
    }
    ctx = hac->hwaccel_ctx;

    if (s->codec_id == AV_CODEC_ID_H264 &&
        (s->profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH) {
        av_log(NULL, loglevel, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", s->profile);
        return AVERROR(EINVAL);
    }

    if (ctx->decoder)
        dxva2_destroy_decoder(s);

    ret = dxva2_create_decoder(s);
    if (ret < 0) {
        av_log(NULL, loglevel, "Error creating the DXVA2 decoder\n");
        return ret;
    }
    av_log(NULL, loglevel, "dxva2_init successfully\n");
    return 0;
}

Example #3

File: ffmpeg_dxva2.c Project: ginozh/my_wmm

int dxva2_init(AVCodecContext *s)
{
    InputStream *ist = s->opaque;
    int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
    DXVA2Context *ctx;
    int ret;

    if (!ist->hwaccel_ctx) {
        ret = dxva2_alloc(s);
        if (ret < 0)
            return ret;
    }
    ctx = ist->hwaccel_ctx;

    if (s->codec_id == AV_CODEC_ID_H264 &&
        (s->profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH) {
        av_log(NULL, loglevel, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", s->profile);
        return AVERROR(EINVAL);
    }

    if (ctx->decoder)
        dxva2_destroy_decoder(s);

    ret = dxva2_create_decoder(s);
    if (ret < 0) {
        av_log(NULL, loglevel, "Error creating the DXVA2 decoder\n");
        return ret;
    }

    return 0;
}