C++ (Cpp) get_av_pix_fmt_descriptors 예제들

예제 #1

파일: vf_crop.c 프로젝트: CodeAsm/ffplay360

static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
{
    CropContext *crop = link->dst->priv;
    AVFilterPicRef *ref2 = avfilter_ref_pic(picref, ~0);

#ifdef _MSC_VER
	AVPixFmtDescriptor *av_pix_fmt_descriptors = get_av_pix_fmt_descriptors();
#endif

    int i;

    ref2->w        = crop->w;
    ref2->h        = crop->h;

    ref2->data[0] += crop->y * ref2->linesize[0];
    ref2->data[0] += (crop->x * crop->bpp) >> 3;

    if (!(av_pix_fmt_descriptors[link->format].flags & PIX_FMT_PAL)) {
        for (i = 1; i < 3; i ++) {
            if (ref2->data[i]) {
                ref2->data[i] += (crop->y >> crop->vsub) * ref2->linesize[i];
                ref2->data[i] += ((crop->x * crop->bpp) >> 3) >> crop->hsub;
            }
        }
    }

예제 #2

파일: cmdutils.c 프로젝트: CodeAsm/ffplay360

void show_pix_fmts(void)
{
    enum PixelFormat pix_fmt;
	AVPixFmtDescriptor *av_pix_fmt_descriptors = get_av_pix_fmt_descriptors();

    printf(
        "Pixel formats:\n"
        "I.... = Supported Input  format for conversion\n"
        ".O... = Supported Output format for conversion\n"
        "..H.. = Hardware accelerated format\n"
        "...P. = Paletted format\n"
        "....B = Bitstream format\n"
        "FLAGS NAME            NB_COMPONENTS BITS_PER_PIXEL\n"
        "-----\n");

#if !CONFIG_SWSCALE
#   define sws_isSupportedInput(x)  0
#   define sws_isSupportedOutput(x) 0
#endif

    for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
       const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
        printf("%c%c%c%c%c %-16s       %d            %2d\n",
               sws_isSupportedInput (pix_fmt)      ? 'I' : '.',
               sws_isSupportedOutput(pix_fmt)      ? 'O' : '.',
               pix_desc->flags & PIX_FMT_HWACCEL   ? 'H' : '.',
               pix_desc->flags & PIX_FMT_PAL       ? 'P' : '.',
               pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
               pix_desc->name,
               pix_desc->nb_components,
               av_get_bits_per_pixel(pix_desc));
    }
}

예제 #3

파일: rawenc.c 프로젝트: allweax/ffmpeg-msvc

static av_cold int raw_init_encoder(AVCodecContext *avctx)
{
#ifdef _MSC_VER
	AVPixFmtDescriptor *av_pix_fmt_descriptors = get_av_pix_fmt_descriptors();
#endif

    avctx->coded_frame = (AVFrame *)avctx->priv_data;
    avctx->coded_frame->pict_type = FF_I_TYPE;
    avctx->coded_frame->key_frame = 1;
    avctx->bits_per_coded_sample = av_get_bits_per_pixel(&av_pix_fmt_descriptors[avctx->pix_fmt]);
    if(!avctx->codec_tag)
        avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
    return 0;
}