Esempi in C++ (Cpp) per avisynth_create_stream

Esempio n. 1

File: avisynth.c Progetto: GeniusBo/FFmpeg-1

static int avisynth_open_file(AVFormatContext *s) {
    AviSynthContext *avs = (AviSynthContext *)s->priv_data;
    AVS_Value arg, val;
    int ret;
#ifdef _WIN32
    char filename_ansi[MAX_PATH * 4];
    wchar_t filename_wc[MAX_PATH * 4];
#endif

    if (ret = avisynth_context_create(s))
        return ret;

#ifdef _WIN32
    // Convert UTF-8 to ANSI code page
    MultiByteToWideChar(CP_UTF8, 0, s->filename, -1, filename_wc, MAX_PATH * 4);
    WideCharToMultiByte(CP_THREAD_ACP, 0, filename_wc, -1, filename_ansi, MAX_PATH * 4, NULL, NULL);
    arg = avs_new_value_string(filename_ansi);
#else
    arg = avs_new_value_string(s->filename);
#endif
    val = avs_library->avs_invoke(avs->env, "Import", arg, 0);
    if (avs_is_error(val)) {
        av_log(s, AV_LOG_ERROR, "%s\n", avs_as_error(val));
        ret = AVERROR_UNKNOWN;
        goto fail;
    }
    if (!avs_is_clip(val)) {
        av_log(s, AV_LOG_ERROR, "%s\n", "AviSynth script did not return a clip");
        ret = AVERROR_UNKNOWN;
        goto fail;
    }

    avs->clip = avs_library->avs_take_clip(val, avs->env);
    avs->vi = avs_library->avs_get_video_info(avs->clip);

    // Release the AVS_Value as it will go out of scope.
    avs_library->avs_release_value(val);

    if (ret = avisynth_create_stream(s))
        goto fail;

    return 0;

fail:
    avisynth_context_destroy(avs);
    return ret;
}

Esempio n. 2

File: avisynth.c Progetto: AleXoundOS/FFmpeg

static int avisynth_open_file(AVFormatContext *s)
{
    AviSynthContext *avs = s->priv_data;
    AVS_Value arg, val;
    int ret;
#ifdef USING_AVISYNTH
    char filename_ansi[MAX_PATH * 4];
    wchar_t filename_wc[MAX_PATH * 4];
#endif

    if (ret = avisynth_context_create(s))
        return ret;

#ifdef USING_AVISYNTH
    /* Convert UTF-8 to ANSI code page */
    MultiByteToWideChar(CP_UTF8, 0, s->filename, -1, filename_wc, MAX_PATH * 4);
    WideCharToMultiByte(CP_THREAD_ACP, 0, filename_wc, -1, filename_ansi,
                        MAX_PATH * 4, NULL, NULL);
    arg = avs_new_value_string(filename_ansi);
#else
    arg = avs_new_value_string(s->filename);
#endif
    val = avs_library.avs_invoke(avs->env, "Import", arg, 0);
    if (avs_is_error(val)) {
        av_log(s, AV_LOG_ERROR, "%s\n", avs_as_error(val));
        ret = AVERROR_UNKNOWN;
        goto fail;
    }
    if (!avs_is_clip(val)) {
        av_log(s, AV_LOG_ERROR, "AviSynth script did not return a clip\n");
        ret = AVERROR_UNKNOWN;
        goto fail;
    }

    avs->clip = avs_library.avs_take_clip(val, avs->env);
    avs->vi   = avs_library.avs_get_video_info(avs->clip);

#ifdef USING_AVISYNTH
    /* On Windows, FFmpeg supports AviSynth interface version 6 or higher.
     * This includes AviSynth 2.6 RC1 or higher, and AviSynth+ r1718 or higher,
     * and excludes 2.5 and the 2.6 alphas. Since AvxSynth identifies itself
     * as interface version 3 like 2.5.8, this needs to be special-cased. */

    if (avs_library.avs_get_version(avs->clip) < 6) {
        av_log(s, AV_LOG_ERROR,
               "AviSynth version is too old. Please upgrade to either AviSynth 2.6 >= RC1 or AviSynth+ >= r1718.\n");
        ret = AVERROR_UNKNOWN;
        goto fail;
    }
#endif

    /* Release the AVS_Value as it will go out of scope. */
    avs_library.avs_release_value(val);

    if (ret = avisynth_create_stream(s))
        goto fail;

    return 0;

fail:
    avisynth_context_destroy(avs);
    return ret;
}