Exemplos de avfilter_graph_set_auto_convert em C++ (Cpp)

Exemplo n.º 1

Arquivo: ffmpeg_filter.c Projeto: libretro/FFmpeg

static char *choose_pix_fmts(OutputStream *ost)
{
    AVDictionaryEntry *strict_dict = av_dict_get(ost->encoder_opts, "strict", NULL, 0);
    if (strict_dict)
        // used by choose_pixel_fmt() and below
        av_opt_set(ost->enc_ctx, "strict", strict_dict->value, 0);

     if (ost->keep_pix_fmt) {
        if (ost->filter)
            avfilter_graph_set_auto_convert(ost->filter->graph->graph,
                                            AVFILTER_AUTO_CONVERT_NONE);
        if (ost->enc_ctx->pix_fmt == AV_PIX_FMT_NONE)
            return NULL;
        return av_strdup(av_get_pix_fmt_name(ost->enc_ctx->pix_fmt));
    }
    if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
        return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc_ctx, ost->enc, ost->enc_ctx->pix_fmt)));
    } else if (ost->enc && ost->enc->pix_fmts) {
        const enum AVPixelFormat *p;
        AVIOContext *s = NULL;
        uint8_t *ret;
        int len;

        if (avio_open_dyn_buf(&s) < 0)
            exit_program(1);

        p = ost->enc->pix_fmts;
        if (ost->enc_ctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
            if (ost->enc_ctx->codec_id == AV_CODEC_ID_MJPEG) {
                p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE };
            } else if (ost->enc_ctx->codec_id == AV_CODEC_ID_LJPEG) {
                p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUV420P,
                                                    AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_BGRA, AV_PIX_FMT_NONE };
            }

Exemplo n.º 2

Arquivo: ffmpeg_filter.c Projeto: ho1iarty/ffmpeg_vs

static char *choose_pix_fmts(OutputStream *ost)
{
    AVDictionaryEntry *strict_dict = av_dict_get(ost->encoder_opts, "strict", NULL, 0);
    if(strict_dict)
        // used by choose_pixel_fmt() and below
    {
        av_opt_set(ost->enc_ctx, "strict", strict_dict->value, 0);
    }
    
    if(ost->keep_pix_fmt)
    {
        if(ost->filter)
            avfilter_graph_set_auto_convert(ost->filter->graph->graph,
                                            AVFILTER_AUTO_CONVERT_NONE);
        if(ost->enc_ctx->pix_fmt == AV_PIX_FMT_NONE)
        {
            return NULL;
        }
        return av_strdup(av_get_pix_fmt_name(ost->enc_ctx->pix_fmt));
    }
    if(ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE)
    {
        return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc_ctx, ost->enc, ost->enc_ctx->pix_fmt)));
    }
    else if(ost->enc && ost->enc->pix_fmts)
    {
        const enum AVPixelFormat *p;
        AVIOContext *s = NULL;
        uint8_t *ret;
        int len;
        
        if(avio_open_dyn_buf(&s) < 0)
        {
            exit_program(1);
        }
        
        p = ost->enc->pix_fmts;
        if(ost->enc_ctx->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL)
        {
            p = get_compliance_unofficial_pix_fmts(ost->enc_ctx->codec_id, p);
        }
        
        for(; *p != AV_PIX_FMT_NONE; p++)
        {
            const char *name = av_get_pix_fmt_name(*p);
            avio_printf(s, "%s|", name);
        }
        len = avio_close_dyn_buf(s, &ret);
        ret[len - 1] = 0;
        return ret;
    }
    else
    {
        return NULL;
    }
}

Exemplo n.º 3

Arquivo: filtergraph.cpp Projeto: brucechase/avcpp

void FilterGraph::setAutoConvert(unsigned flags)
{
    if (m_raw) {
        avfilter_graph_set_auto_convert(m_raw, flags);
    }
}