示例#1
0
bool gst_vlc_set_vout_fmt( GstVideoInfo *p_info, GstVideoAlignment *p_align,
        GstCaps *p_caps, decoder_t *p_dec )
{
    es_format_t *p_outfmt = &p_dec->fmt_out;
    video_format_t *p_voutfmt = &p_dec->fmt_out.video;
    GstStructure *p_str = gst_caps_get_structure( p_caps, 0 );
    vlc_fourcc_t i_chroma;
    int i_padded_width, i_padded_height;

    i_chroma = p_outfmt->i_codec = vlc_fourcc_GetCodecFromString(
            VIDEO_ES,
            gst_structure_get_string( p_str, "format" ) );
    if( !i_chroma )
    {
        msg_Err( p_dec, "video chroma type not supported" );
        return false;
    }

    i_padded_width = GST_VIDEO_INFO_WIDTH( p_info ) + p_align->padding_left +
        p_align->padding_right;
    i_padded_height = GST_VIDEO_INFO_HEIGHT( p_info ) + p_align->padding_top +
        p_align->padding_bottom;

    video_format_Setup( p_voutfmt, i_chroma, i_padded_width, i_padded_height,
            GST_VIDEO_INFO_WIDTH( p_info ), GST_VIDEO_INFO_HEIGHT( p_info ),
            GST_VIDEO_INFO_PAR_N( p_info ), GST_VIDEO_INFO_PAR_D( p_info ));
    p_voutfmt->i_x_offset = p_align->padding_left;
    p_voutfmt->i_y_offset = p_align->padding_top;

    p_voutfmt->i_frame_rate = GST_VIDEO_INFO_FPS_N( p_info );
    p_voutfmt->i_frame_rate_base = GST_VIDEO_INFO_FPS_D( p_info );

    return true;
}
示例#2
0
文件: picture.c 项目: Annovae/vlc
picture_t *picture_NewFromResource( const video_format_t *p_fmt, const picture_resource_t *p_resource )
{
    video_format_t fmt = *p_fmt;

    /* It is needed to be sure all information are filled */
    video_format_Setup( &fmt, p_fmt->i_chroma,
                              p_fmt->i_width, p_fmt->i_height,
                              p_fmt->i_visible_width, p_fmt->i_visible_height,
                              p_fmt->i_sar_num, p_fmt->i_sar_den );
    if( p_fmt->i_x_offset < p_fmt->i_width &&
        p_fmt->i_y_offset < p_fmt->i_height &&
        p_fmt->i_visible_width  > 0 && p_fmt->i_x_offset + p_fmt->i_visible_width  <= p_fmt->i_width &&
        p_fmt->i_visible_height > 0 && p_fmt->i_y_offset + p_fmt->i_visible_height <= p_fmt->i_height )
        video_format_CopyCrop( &fmt, p_fmt );

    /* */
    picture_t *p_picture = calloc( 1, sizeof(*p_picture) );
    if( !p_picture )
        return NULL;

    /* Make sure the real dimensions are a multiple of 16 */
    if( picture_Setup( p_picture, &fmt ) )
    {
        free( p_picture );
        return NULL;
    }

    if( p_resource )
    {
        p_picture->p_sys = p_resource->p_sys;
        p_picture->gc.pf_destroy = p_resource->pf_destroy;
        assert( p_picture->gc.p_sys == NULL );

        for( int i = 0; i < p_picture->i_planes; i++ )
        {
            p_picture->p[i].p_pixels = p_resource->p[i].p_pixels;
            p_picture->p[i].i_lines  = p_resource->p[i].i_lines;
            p_picture->p[i].i_pitch  = p_resource->p[i].i_pitch;
        }
    }
    else
    {
        if( AllocatePicture( p_picture ) )
        {
            free( p_picture );
            return NULL;
        }
    }

    /* */
    p_picture->format = fmt;

    atomic_init( &p_picture->gc.refcount, 1 );
    if( p_picture->gc.pf_destroy == NULL )
        p_picture->gc.pf_destroy = PictureDestroy;

    return p_picture;
}
示例#3
0
文件: picture.c 项目: Annovae/vlc
picture_t *picture_New( vlc_fourcc_t i_chroma, int i_width, int i_height, int i_sar_num, int i_sar_den )
{
    video_format_t fmt;

    memset( &fmt, 0, sizeof(fmt) );
    video_format_Setup( &fmt, i_chroma, i_width, i_height,
                        i_width, i_height, i_sar_num, i_sar_den );

    return picture_NewFromFormat( &fmt );
}
示例#4
0
picture_t *picture_NewFromResource( const video_format_t *p_fmt, const picture_resource_t *p_resource )
{
    video_format_t fmt = *p_fmt;

    /* It is needed to be sure all information are filled */
    video_format_Setup( &fmt, p_fmt->i_chroma,
                              p_fmt->i_width, p_fmt->i_height,
                              p_fmt->i_sar_num, p_fmt->i_sar_den );
    if( p_fmt->i_x_offset < p_fmt->i_width &&
        p_fmt->i_y_offset < p_fmt->i_height &&
        p_fmt->i_visible_width  > 0 && p_fmt->i_x_offset + p_fmt->i_visible_width  <= p_fmt->i_width &&
        p_fmt->i_visible_height > 0 && p_fmt->i_y_offset + p_fmt->i_visible_height <= p_fmt->i_height )
        video_format_CopyCrop( &fmt, p_fmt );

    /* */
    picture_t *p_picture = calloc( 1, sizeof(*p_picture) );
    if( !p_picture )
        return NULL;

    if( p_resource )
    {
        if( picture_Setup( p_picture, fmt.i_chroma, fmt.i_width, fmt.i_height,
                           fmt.i_sar_num, fmt.i_sar_den ) )
        {
            free( p_picture );
            return NULL;
        }
        p_picture->p_sys = p_resource->p_sys;

        for( int i = 0; i < p_picture->i_planes; i++ )
        {
            p_picture->p[i].p_pixels = p_resource->p[i].p_pixels;
            p_picture->p[i].i_lines  = p_resource->p[i].i_lines;
            p_picture->p[i].i_pitch  = p_resource->p[i].i_pitch;
        }
    }
    else
    {
        if( vout_AllocatePicture( p_picture,
                                  fmt.i_chroma, fmt.i_width, fmt.i_height,
                                  fmt.i_sar_num, fmt.i_sar_den ) )
        {
            free( p_picture );
            return NULL;
        }
    }
    /* */
    p_picture->format = fmt;
    p_picture->i_refcount = 1;
    p_picture->pf_release = PictureReleaseCallback;

    return p_picture;
}
overlay_t *OverlayCreate( void )
{
    overlay_t *p_ovl = calloc( 1, sizeof( overlay_t ) );
    if( p_ovl == NULL )
       return NULL;

    p_ovl->i_x = p_ovl->i_y = 0;
    p_ovl->i_alpha = 0xFF;
    p_ovl->b_active = false;
    video_format_Setup( &p_ovl->format, VLC_FOURCC( '\0','\0','\0','\0') , 0, 0,
                        1, 1 );
    p_ovl->p_fontstyle = text_style_New();
    p_ovl->data.p_text = NULL;

    return p_ovl;
}
示例#6
0
文件: osd.c 项目: 0xheart0/vlc
int transcode_osd_process( sout_stream_t *p_stream, sout_stream_id_sys_t *id,
                                  block_t *in, block_t **out )
{
    sout_stream_sys_t *p_sys = p_stream->p_sys;
    subpicture_t *p_subpic = NULL;

    /* Check if we have a subpicture to send */
    if( p_sys->p_spu && in->i_dts > VLC_TS_INVALID )
    {
        video_format_t fmt;
        video_format_Init( &fmt, 0 );
        video_format_Setup( &fmt, 0, 720, 576, 720, 576, 1, 1 );
        p_subpic = spu_Render( p_sys->p_spu, NULL, &fmt, &fmt, in->i_dts, in->i_dts, false );
    }
    else
    {
        msg_Warn( p_stream, "spu channel not initialized, doing it now" );
        if( !p_sys->p_spu )
            p_sys->p_spu = spu_Create( p_stream );
    }

    if( p_subpic )
    {
        block_t *p_block = NULL;

        if( p_sys->b_master_sync && p_sys->i_master_drift )
        {
            p_subpic->i_start -= p_sys->i_master_drift;
            if( p_subpic->i_stop ) p_subpic->i_stop -= p_sys->i_master_drift;
        }

        p_block = id->p_encoder->pf_encode_sub( id->p_encoder, p_subpic );
        subpicture_Delete( p_subpic );
        if( p_block )
        {
            p_block->i_dts = p_block->i_pts = in->i_dts;
            block_ChainAppend( out, p_block );
            return VLC_SUCCESS;
        }
    }
    return VLC_EGENERIC;
}
/**
 * ProjectM update thread which do the rendering
 * @param p_this: the p_thread object
 */
static void *Thread( void *p_data )
{
    filter_t  *p_filter = (filter_t*)p_data;
    filter_sys_t *p_sys = p_filter->p_sys;

    video_format_t fmt;
    vlc_gl_t *gl;
    unsigned int i_last_width  = 0;
    unsigned int i_last_height = 0;
    locale_t loc;
    locale_t oldloc;

    projectM *p_projectm;
#ifndef HAVE_PROJECTM2
    char *psz_config;
#else
    char *psz_preset_path;
    char *psz_title_font;
    char *psz_menu_font;
    projectM::Settings settings;
#endif

    vlc_savecancel();

    /* Create the openGL provider */
    p_sys->p_vout =
        (vout_thread_t *)vlc_object_create( p_filter, sizeof(vout_thread_t) );
    if( !p_sys->p_vout )
        goto error;

    /* */
    video_format_Init( &fmt, 0 );
    video_format_Setup( &fmt, VLC_CODEC_RGB32,
                        p_sys->i_width, p_sys->i_height, 0, 1 );
    fmt.i_sar_num = 1;
    fmt.i_sar_den = 1;

    vout_display_state_t state;
    memset( &state, 0, sizeof(state) );
    state.cfg.display.sar.num = 1;
    state.cfg.display.sar.den = 1;
    state.cfg.is_display_filled = true;
    state.cfg.zoom.num = 1;
    state.cfg.zoom.den = 1;
    state.sar.num = 1;
    state.sar.den = 1;

    p_sys->p_vd = vout_NewDisplay( p_sys->p_vout, &fmt, &state, "opengl",
                                   300000, 1000000 );
    if( !p_sys->p_vd )
    {
        vlc_object_release( p_sys->p_vout );
        goto error;
    }
    var_Create( p_sys->p_vout, "fullscreen", VLC_VAR_BOOL );
    var_AddCallback( p_sys->p_vout, "fullscreen", VoutCallback, p_sys->p_vd );

    gl = vout_GetDisplayOpengl( p_sys->p_vd );
    if( !gl )
    {
        vout_DeleteDisplay( p_sys->p_vd, NULL );
        vlc_object_release( p_sys->p_vout );
        goto error;
    }

    /* Work-around the projectM locale bug */
    loc = newlocale (LC_NUMERIC_MASK, "C", NULL);
    oldloc = uselocale (loc);

    /* Create the projectM object */
#ifndef HAVE_PROJECTM2
    psz_config = var_InheritString( p_filter, "projectm-config" );
    p_projectm = new projectM( psz_config );
    free( psz_config );
#else
    psz_preset_path = var_InheritString( p_filter, "projectm-preset-path" );
#ifdef WIN32
    if ( psz_preset_path == NULL )
    {
        char *psz_data_path = config_GetDataDir( p_filter );
        asprintf( &psz_preset_path, "%s" DIR_SEP "visualization", psz_data_path );
        free( psz_data_path );
    }
#endif

    psz_title_font                = var_InheritString( p_filter, "projectm-title-font" );
    psz_menu_font                 = var_InheritString( p_filter, "projectm-menu-font" );

    settings.meshX                = var_InheritInteger( p_filter, "projectm-meshx" );
    settings.meshY                = var_InheritInteger( p_filter, "projectm-meshy" );
    settings.fps                  = 35;
    settings.textureSize          = var_InheritInteger( p_filter, "projectm-texture-size" );
    settings.windowWidth          = p_sys->i_width;
    settings.windowHeight         = p_sys->i_height;
    settings.presetURL            = psz_preset_path;
    settings.titleFontURL         = psz_title_font;
    settings.menuFontURL          = psz_menu_font;
    settings.smoothPresetDuration = 5;
    settings.presetDuration       = 30;
    settings.beatSensitivity      = 10;
    settings.aspectCorrection     = 1;
    settings.easterEgg            = 1;
    settings.shuffleEnabled       = 1;

    p_projectm = new projectM( settings );

    free( psz_menu_font );
    free( psz_title_font );
    free( psz_preset_path );
#endif /* HAVE_PROJECTM2 */

    p_sys->i_buffer_size = p_projectm->pcm()->maxsamples;
    p_sys->p_buffer = (float*)calloc( p_sys->i_buffer_size,
                                      sizeof( float ) );

    vlc_sem_post( &p_sys->ready );

    /* Choose a preset randomly or projectM will always show the first one */
    if ( p_projectm->getPlaylistSize() > 0 )
        p_projectm->selectPreset( (unsigned)vlc_mrand48() % p_projectm->getPlaylistSize() );

    /* */
    for( ;; )
    {
        const mtime_t i_deadline = mdate() + CLOCK_FREQ / 50; /* 50 fps max */
        /* Manage the events */
        vout_ManageDisplay( p_sys->p_vd, true );
        if( p_sys->p_vd->cfg->display.width  != i_last_width ||
            p_sys->p_vd->cfg->display.height != i_last_height )
        {
            /* FIXME it is not perfect as we will have black bands */
            vout_display_place_t place;
            vout_display_PlacePicture( &place, &p_sys->p_vd->source, p_sys->p_vd->cfg, false );
            p_projectm->projectM_resetGL( place.width, place.height );

            i_last_width  = p_sys->p_vd->cfg->display.width;
            i_last_height = p_sys->p_vd->cfg->display.height;
        }

        /* Render the image and swap the buffers */
        vlc_mutex_lock( &p_sys->lock );
        if( p_sys->i_nb_samples > 0 )
        {
            p_projectm->pcm()->addPCMfloat( p_sys->p_buffer,
                                            p_sys->i_nb_samples );
            p_sys->i_nb_samples = 0;
        }
        if( p_sys->b_quit )
        {
            vlc_mutex_unlock( &p_sys->lock );

            delete p_projectm;
            vout_DeleteDisplay( p_sys->p_vd, NULL );
            vlc_object_release( p_sys->p_vout );
            if (loc != (locale_t)0)
            {
                uselocale (oldloc);
                freelocale (loc);
            }
            return NULL;
        }
        vlc_mutex_unlock( &p_sys->lock );

        p_projectm->renderFrame();

        /* */
        mwait( i_deadline );

        if( !vlc_gl_Lock(gl) )
        {
            vlc_gl_Swap( gl );
            vlc_gl_Unlock( gl );
        }
    }
    abort();

error:
    p_sys->b_error = true;
    vlc_sem_post( &p_sys->ready );
    return NULL;
}
示例#8
0
文件: picture.c 项目: Annovae/vlc
int picture_Setup( picture_t *p_picture, video_format_t *fmt )
{
    /* Store default values */
    p_picture->i_planes = 0;
    for( unsigned i = 0; i < VOUT_MAX_PLANES; i++ )
    {
        plane_t *p = &p_picture->p[i];
        p->p_pixels = NULL;
        p->i_pixel_pitch = 0;
    }

    atomic_init( &p_picture->gc.refcount, 0 );
    p_picture->gc.pf_destroy = NULL;
    p_picture->gc.p_sys = NULL;

    p_picture->i_nb_fields = 2;

    video_format_Setup( &p_picture->format, fmt->i_chroma, fmt->i_width, fmt->i_height,
                        fmt->i_visible_width, fmt->i_visible_height,
                        fmt->i_sar_num, fmt->i_sar_den );

    const vlc_chroma_description_t *p_dsc =
        vlc_fourcc_GetChromaDescription( p_picture->format.i_chroma );
    if( !p_dsc )
        return VLC_EGENERIC;

    /* We want V (width/height) to respect:
        (V * p_dsc->p[i].w.i_num) % p_dsc->p[i].w.i_den == 0
        (V * p_dsc->p[i].w.i_num/p_dsc->p[i].w.i_den * p_dsc->i_pixel_size) % 16 == 0
       Which is respected if you have
       V % lcm( p_dsc->p[0..planes].w.i_den * 16) == 0
    */
    int i_modulo_w = 1;
    int i_modulo_h = 1;
    unsigned int i_ratio_h  = 1;
    for( unsigned i = 0; i < p_dsc->plane_count; i++ )
    {
        i_modulo_w = LCM( i_modulo_w, 16 * p_dsc->p[i].w.den );
        i_modulo_h = LCM( i_modulo_h, 16 * p_dsc->p[i].h.den );
        if( i_ratio_h < p_dsc->p[i].h.den )
            i_ratio_h = p_dsc->p[i].h.den;
    }
    i_modulo_h = LCM( i_modulo_h, 32 );

    const int i_width_aligned  = ( fmt->i_width  + i_modulo_w - 1 ) / i_modulo_w * i_modulo_w;
    const int i_height_aligned = ( fmt->i_height + i_modulo_h - 1 ) / i_modulo_h * i_modulo_h;
    const int i_height_extra   = 2 * i_ratio_h; /* This one is a hack for some ASM functions */
    for( unsigned i = 0; i < p_dsc->plane_count; i++ )
    {
        plane_t *p = &p_picture->p[i];

        p->i_lines         = (i_height_aligned + i_height_extra ) * p_dsc->p[i].h.num / p_dsc->p[i].h.den;
        p->i_visible_lines = fmt->i_visible_height * p_dsc->p[i].h.num / p_dsc->p[i].h.den;
        p->i_pitch         = i_width_aligned * p_dsc->p[i].w.num / p_dsc->p[i].w.den * p_dsc->pixel_size;
        p->i_visible_pitch = fmt->i_visible_width * p_dsc->p[i].w.num / p_dsc->p[i].w.den * p_dsc->pixel_size;
        p->i_pixel_pitch   = p_dsc->pixel_size;

        assert( (p->i_pitch % 16) == 0 );
    }
    p_picture->i_planes  = p_dsc->plane_count;

    return VLC_SUCCESS;
}
示例#9
0
/*****************************************************************************
 * OpenDecoder: probe the decoder and return score
 *****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
    decoder_t *p_dec = (decoder_t*)p_this;
    decoder_sys_t *p_sys;

    switch( p_dec->fmt_in.i_codec )
    {
        /* Planar YUV */
        case VLC_CODEC_I444:
        case VLC_CODEC_I422:
        case VLC_CODEC_I420:
        case VLC_CODEC_YV12:
        case VLC_CODEC_I411:
        case VLC_CODEC_I410:
        case VLC_CODEC_GREY:
        case VLC_CODEC_YUVP:

        /* Packed YUV */
        case VLC_CODEC_YUYV:
        case VLC_CODEC_YVYU:
        case VLC_CODEC_UYVY:
        case VLC_CODEC_VYUY:

        /* RGB */
        case VLC_CODEC_RGB32:
        case VLC_CODEC_RGB24:
        case VLC_CODEC_RGB16:
        case VLC_CODEC_RGB15:
        case VLC_CODEC_RGB8:
        case VLC_CODEC_RGBP:
            break;

        default:
            return VLC_EGENERIC;
    }

    /* Allocate the memory needed to store the decoder's structure */
    if( ( p_dec->p_sys = p_sys =
          (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
        return VLC_ENOMEM;
    /* Misc init */
    p_dec->p_sys->b_packetizer = false;
    p_sys->b_invert = 0;

    if( (int)p_dec->fmt_in.video.i_height < 0 )
    {
        /* Frames are coded from bottom to top */
        p_dec->fmt_in.video.i_height =
            (unsigned int)(-(int)p_dec->fmt_in.video.i_height);
        p_sys->b_invert = true;
    }

    if( p_dec->fmt_in.video.i_width <= 0 || p_dec->fmt_in.video.i_height <= 0 )
    {
        msg_Err( p_dec, "invalid display size %dx%d",
                 p_dec->fmt_in.video.i_width, p_dec->fmt_in.video.i_height );
        return VLC_EGENERIC;
    }

    es_format_Copy( &p_dec->fmt_out, &p_dec->fmt_in );

    date_Init( &p_sys->pts, p_dec->fmt_out.video.i_frame_rate,
               p_dec->fmt_out.video.i_frame_rate_base );
    if( p_dec->fmt_out.video.i_frame_rate == 0 ||
        p_dec->fmt_out.video.i_frame_rate_base == 0)
    {
        msg_Warn( p_dec, "invalid frame rate %d/%d, using 25 fps instead",
                  p_dec->fmt_out.video.i_frame_rate,
                  p_dec->fmt_out.video.i_frame_rate_base);
        date_Init( &p_sys->pts, 25, 1 );
    }

    /* Find out p_vdec->i_raw_size */
    video_format_Setup( &p_dec->fmt_out.video, p_dec->fmt_in.i_codec,
                        p_dec->fmt_in.video.i_width,
                        p_dec->fmt_in.video.i_height,
                        p_dec->fmt_in.video.i_aspect );
    p_sys->i_raw_size = p_dec->fmt_out.video.i_bits_per_pixel *
        p_dec->fmt_out.video.i_width * p_dec->fmt_out.video.i_height / 8;

    if( !p_dec->fmt_in.video.i_aspect )
    {
        p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR *
            p_dec->fmt_out.video.i_width / p_dec->fmt_out.video.i_height;
    }

    /* Set callbacks */
    p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
        DecodeBlock;
    p_dec->pf_packetize    = (block_t *(*)(decoder_t *, block_t **))
        DecodeBlock;

    return VLC_SUCCESS;
}
示例#10
0
文件: glspectrum.c 项目: AsamQi/vlc
/**
 * Update thread which do the rendering
 * @param p_this: the p_thread object
 */
static void *Thread( void *p_data )
{
    filter_t  *p_filter = (filter_t*)p_data;
    filter_sys_t *p_sys = p_filter->p_sys;

    video_format_t fmt;
    vlc_gl_t *gl;
    unsigned int i_last_width = 0;
    unsigned int i_last_height = 0;

    /* Create the openGL provider */
    p_sys->p_vout =
        (vout_thread_t *)vlc_object_create(p_filter, sizeof(vout_thread_t));
    if (!p_sys->p_vout)
        goto error;

    /* Configure the video format for the opengl provider. */
    video_format_Init(&fmt, 0);
    video_format_Setup(&fmt, VLC_CODEC_RGB32,
                       p_sys->i_width, p_sys->i_height, 0, 1 );
    fmt.i_sar_num = 1;
    fmt.i_sar_den = 1;

    /* Init vout state. */
    vout_display_state_t state;
    memset(&state, 0, sizeof(state));
    state.cfg.display.sar.num = 1;
    state.cfg.display.sar.den = 1;
    state.cfg.is_display_filled = true;
    state.cfg.zoom.num = 1;
    state.cfg.zoom.den = 1;
    state.sar.num = 1;
    state.sar.den = 1;

    p_sys->p_vd = vout_NewDisplay(p_sys->p_vout, &fmt, &state,
                                  "opengl", 1000000, 1000000);
    if (!p_sys->p_vd)
    {
        vlc_object_release(p_sys->p_vout);
        goto error;
    }

    gl = vout_GetDisplayOpengl(p_sys->p_vd);
    if (!gl)
    {
        vout_DeleteDisplay(p_sys->p_vd, NULL);
        vlc_object_release(p_sys->p_vout);
        goto error;
    }

    vlc_sem_post(&p_sys->ready);

    initOpenGLScene();

    float height[NB_BANDS] = {0};

    while (1)
    {
        block_t *block = block_FifoGet(p_sys->fifo);

        int canc = vlc_savecancel();

        /* Manage the events */
        vout_ManageDisplay(p_sys->p_vd, true);
        if (p_sys->p_vd->cfg->display.width != i_last_width ||
            p_sys->p_vd->cfg->display.height != i_last_height)
        {
            /* FIXME it is not perfect as we will have black bands */
            vout_display_place_t place;
            vout_display_PlacePicture(&place, &p_sys->p_vd->source,
                                      p_sys->p_vd->cfg, false);

            i_last_width  = p_sys->p_vd->cfg->display.width;
            i_last_height = p_sys->p_vd->cfg->display.height;
        }

        /* Horizontal scale for 20-band equalizer */
        const unsigned xscale[] = {0,1,2,3,4,5,6,7,8,11,15,20,27,
                                   36,47,62,82,107,141,184,255};

        fft_state *p_state; /* internal FFT data */

        unsigned i, j;
        float p_output[FFT_BUFFER_SIZE];           /* Raw FFT Result  */
        int16_t p_buffer1[FFT_BUFFER_SIZE];        /* Buffer on which we perform
                                                      the FFT (first channel) */
        int16_t p_dest[FFT_BUFFER_SIZE];           /* Adapted FFT result */
        float *p_buffl = (float*)block->p_buffer;  /* Original buffer */

        int16_t  *p_buffs;                         /* int16_t converted buffer */
        int16_t  *p_s16_buff;                      /* int16_t converted buffer */

        /* Allocate the buffer only if the number of samples change */
        if (block->i_nb_samples != p_sys->i_prev_nb_samples)
        {
            free(p_sys->p_prev_s16_buff);
            p_sys->p_prev_s16_buff = malloc(block->i_nb_samples *
                                            p_sys->i_channels *
                                            sizeof(int16_t));
            if (!p_sys->p_prev_s16_buff)
                goto release;
            p_sys->i_prev_nb_samples = block->i_nb_samples;
        }
        p_buffs = p_s16_buff = p_sys->p_prev_s16_buff;

        /* Convert the buffer to int16_t
           Pasted from float32tos16.c */
        for (i = block->i_nb_samples * p_sys->i_channels; i--;)
        {
            union {float f; int32_t i;} u;

            u.f = *p_buffl + 384.0;
            if (u.i > 0x43c07fff)
                *p_buffs = 32767;
            else if (u.i < 0x43bf8000)
                *p_buffs = -32768;
            else
                *p_buffs = u.i - 0x43c00000;

            p_buffl++; p_buffs++;
        }
        p_state = visual_fft_init();
        if (!p_state)
        {
            msg_Err(p_filter,"unable to initialize FFT transform");
            goto release;
        }
        p_buffs = p_s16_buff;
        for (i = 0 ; i < FFT_BUFFER_SIZE; i++)
        {
            p_output[i] = 0;
            p_buffer1[i] = *p_buffs;

            p_buffs += p_sys->i_channels;
            if (p_buffs >= &p_s16_buff[block->i_nb_samples * p_sys->i_channels])
                p_buffs = p_s16_buff;
        }
        fft_perform (p_buffer1, p_output, p_state);

        for (i = 0; i< FFT_BUFFER_SIZE; ++i)
            p_dest[i] = p_output[i] *  (2 ^ 16)
                        / ((FFT_BUFFER_SIZE / 2 * 32768) ^ 2);

        for (i = 0 ; i < NB_BANDS; i++)
        {
            /* Decrease the previous size of the bar. */
            height[i] -= BAR_DECREMENT;
            if (height[i] < 0)
                height[i] = 0;

            int y = 0;
            /* We search the maximum on one scale
               to determine the current size of the bar. */
            for (j = xscale[i]; j < xscale[i + 1]; j++)
            {
                if (p_dest[j] > y)
                     y = p_dest[j];
            }
            /* Calculate the height of the bar */
            float new_height = y != 0 ? log(y) * 0.4 : 0;
            height[i] = new_height > height[i]
                        ? new_height : height[i];
        }

        /* Determine the camera rotation angle. */
        p_sys->f_rotationAngle += p_sys->f_rotationIncrement;
        if (p_sys->f_rotationAngle <= -ROTATION_MAX)
            p_sys->f_rotationIncrement = ROTATION_INCREMENT;
        else if (p_sys->f_rotationAngle >= ROTATION_MAX)
            p_sys->f_rotationIncrement = -ROTATION_INCREMENT;

        /* Render the frame. */
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

        glPushMatrix();
            glRotatef(p_sys->f_rotationAngle, 0, 1, 0);
            drawBars(height);
        glPopMatrix();

        /* Wait to swapp the frame on time. */
        mwait(block->i_pts + (block->i_length / 2));
        if (!vlc_gl_Lock(gl))
        {
            vlc_gl_Swap(gl);
            vlc_gl_Unlock(gl);
        }

release:
        block_Release(block);
        vlc_restorecancel(canc);
    }

    assert(0);

error:
    p_sys->b_error = true;
    vlc_sem_post(&p_sys->ready);
    return NULL;
}
示例#11
0
文件: opengl.c 项目: paa/vlc
/*****************************************************************************
 * Init: initialize the OpenGL video thread output method
 *****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
    vout_sys_t *p_sys = p_vout->p_sys;

    p_sys->p_vout->pf_init( p_sys->p_vout );

    p_sys->gl.lock = OpenglLock;
    p_sys->gl.unlock = OpenglUnlock;
    p_sys->gl.swap = OpenglSwap;
    p_sys->gl.sys = p_sys->p_vout;

    video_format_t fmt;
    video_format_Init( &fmt, 0 );
    video_format_Setup( &fmt,
                        p_vout->render.i_chroma,
                        p_vout->render.i_width,
                        p_vout->render.i_height,
                        p_vout->render.i_aspect * p_vout->render.i_height,
                        VOUT_ASPECT_FACTOR      * p_vout->render.i_width );


    if( vout_display_opengl_Init( &p_sys->vgl, &fmt, &p_sys->gl ) )
    {
        I_OUTPUTPICTURES = 0;
        return VLC_EGENERIC;
    }
    p_sys->p_pool = vout_display_opengl_GetPool( &p_sys->vgl );
    if( !p_sys->p_pool )
    {
        vout_display_opengl_Clean( &p_sys->vgl );
        I_OUTPUTPICTURES = 0;
        return VLC_EGENERIC;
    }

    /* */
    p_vout->output.i_chroma = fmt.i_chroma;
    p_vout->output.i_rmask  = fmt.i_rmask;
    p_vout->output.i_gmask  = fmt.i_gmask;
    p_vout->output.i_bmask  = fmt.i_bmask;

    /* Since OpenGL can do rescaling for us, stick to the default
     * coordinates and aspect. */
    p_vout->output.i_width  = p_vout->render.i_width;
    p_vout->output.i_height = p_vout->render.i_height;
    p_vout->output.i_aspect = p_vout->render.i_aspect;

    p_vout->fmt_out = p_vout->fmt_in;
    p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;

    /* */
    p_sys->p_current = picture_pool_Get( p_sys->p_pool );
    p_vout->p_picture[0] = *p_sys->p_current;
    p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
    p_vout->p_picture[0].i_type   = DIRECT_PICTURE;
    p_vout->p_picture[0].i_refcount = 0;
    p_vout->p_picture[0].p_sys = NULL;
    PP_OUTPUTPICTURE[0] = &p_vout->p_picture[0];

    I_OUTPUTPICTURES = 1;

    return VLC_SUCCESS;
}
示例#12
0
文件: rawvid.c 项目: 0xheart0/vlc
/*****************************************************************************
 * Open: initializes raw DV demux structures
 *****************************************************************************/
static int Open( vlc_object_t * p_this )
{
    demux_t     *p_demux = (demux_t*)p_this;
    demux_sys_t *p_sys;
    int i_width=-1, i_height=-1;
    unsigned u_fps_num, u_fps_den;
    vlc_fourcc_t i_chroma = 0;
    unsigned int i_sar_num;
    unsigned int i_sar_den;
    const struct preset_t *p_preset = NULL;
    const uint8_t *p_peek;
    bool b_y4m = false;

    if( stream_Peek( p_demux->s, &p_peek, 9 ) == 9 )
    {
        /* http://wiki.multimedia.cx/index.php?title=YUV4MPEG2 */
        if( !strncmp( (char *)p_peek, "YUV4MPEG2", 9 ) )
        {
            b_y4m = true;
            goto valid;
        }
    }

    if( !p_demux->b_force )
    {
        /* guess preset based on file extension */
        if( !p_demux->psz_file )
            return VLC_EGENERIC;

        const char *psz_ext = strrchr( p_demux->psz_file, '.' );
        if( !psz_ext )
            return VLC_EGENERIC;
        psz_ext++;

        for( unsigned i = 0; p_presets[i].psz_ext ; i++ )
        {
            if( !strcasecmp( psz_ext, p_presets[i].psz_ext ) )
            {
                p_preset = &p_presets[i];
                goto valid;
            }
        }
        return VLC_EGENERIC;
    }
valid:
    p_demux->p_sys      = p_sys = malloc( sizeof( demux_sys_t ) );
    if( !p_sys )
        return VLC_ENOMEM;

    p_sys->b_y4m = b_y4m;

    /* guess the parameters based on the preset */
    if( p_preset )
    {
        i_width = p_preset->i_width;
        i_height = p_preset->i_height;
        u_fps_num = p_preset->u_fps_num;
        u_fps_den = p_preset->u_fps_den;
        i_sar_num = p_preset->u_ar_num * p_preset->i_height;
        i_sar_den = p_preset->u_ar_den * p_preset->i_width;
        i_chroma = p_preset->i_chroma;
    }

    /* override presets if yuv4mpeg2 */
    if( b_y4m )
    {
        /* The string should start with "YUV4MPEG2" */
        char *psz = stream_ReadLine( p_demux->s );
        char *psz_buf;
        int a = 1;
        int b = 1;

        if( unlikely(psz == NULL) )
            goto error;

        /* NB, it is not possible to handle interlaced here, since the
         * interlaced picture flags are in picture_t not block_t */

#define READ_FRAC( key, num, den ) do { \
        psz_buf = strstr( psz+9, key );\
        if( psz_buf )\
        {\
            char *end = strchr( psz_buf+1, ' ' );\
            char *sep;\
            if( end ) *end = '\0';\
            sep = strchr( psz_buf+1, ':' );\
            if( sep )\
            {\
                *sep = '\0';\
                den = atoi( sep+1 );\
            }\
            else\
            {\
                den = 1;\
            }\
            num = atoi( psz_buf+2 );\
            if( sep ) *sep = ':';\
            if( end ) *end = ' ';\
        } } while(0)
        READ_FRAC( " W", i_width, a );
        READ_FRAC( " H", i_height, a );
        READ_FRAC( " F", u_fps_num, u_fps_den );
        READ_FRAC( " A", a, b );
#undef READ_FRAC
        if( b != 0 )
        {
            i_sar_num = a;
            i_sar_den = b;
        }

        psz_buf = strstr( psz+9, " C" );
        if( psz_buf )
        {
            static const struct { const char *psz_name; vlc_fourcc_t i_fcc; } formats[] =
            {
                { "420jpeg",    VLC_CODEC_I420 },
                { "420paldv",   VLC_CODEC_I420 },
                { "420",        VLC_CODEC_I420 },
                { "422",        VLC_CODEC_I422 },
                { "444",        VLC_CODEC_I444 },
                { "mono",       VLC_CODEC_GREY },
                { NULL, 0 }
            };
            bool b_found = false;
            char *psz_end = strchr( psz_buf+1, ' ' );
            if( psz_end )
                *psz_end = '\0';
            psz_buf += 2;

            for( int i = 0; formats[i].psz_name != NULL; i++ )
            {
                if( !strncmp( psz_buf, formats[i].psz_name, strlen(formats[i].psz_name) ) )
                {
                    i_chroma = formats[i].i_fcc;
                    b_found = true;
                    break;
                }
            }
            if( !b_found )
                msg_Warn( p_demux, "Unknown YUV4MPEG2 chroma type \"%s\"", psz_buf );
            if( psz_end )
                *psz_end = ' ';
        }

        free( psz );
    }

    /* allow the user to override anything guessed from the input */
    int i_tmp;
    i_tmp = var_CreateGetInteger( p_demux, "rawvid-width" );
    if( i_tmp ) i_width = i_tmp;

    i_tmp = var_CreateGetInteger( p_demux, "rawvid-height" );
    if( i_tmp ) i_height = i_tmp;

    char *psz_tmp;
    psz_tmp = var_CreateGetNonEmptyString( p_demux, "rawvid-chroma" );
    if( psz_tmp )
    {
        if( strlen( psz_tmp ) != 4 )
        {
            msg_Err( p_demux, "Invalid fourcc format/chroma specification %s"
                     " expecting four characters eg, UYVY", psz_tmp );
            free( psz_tmp );
            goto error;
        }
        memcpy( &i_chroma, psz_tmp, 4 );
        msg_Dbg( p_demux, "Forcing chroma to 0x%.8x (%4.4s)", i_chroma, (char*)&i_chroma );
        free( psz_tmp );
    }

    if( var_InheritURational( p_demux, &u_fps_num, &u_fps_den, "rawvid-fps" ) )
    {
        u_fps_num = 0;
        u_fps_den = 1;
    }

    if( var_InheritURational( p_demux, &i_sar_num, &i_sar_den,
                              "rawvid-aspect-ratio" ) )
        i_sar_num = i_sar_den = 1;

    /* moan about anything wrong */
    if( i_width <= 0 || i_height <= 0 )
    {
        msg_Err( p_demux, "width and height must be strictly positive." );
        goto error;
    }

    if( !u_fps_num || !u_fps_den )
    {
        msg_Err( p_demux, "invalid or no framerate specified." );
        goto error;
    }

    if( i_chroma == 0 )
    {
        msg_Err( p_demux, "invalid or no chroma specified." );
        goto error;
    }

    /* fixup anything missing with sensible assumptions */
    if( i_sar_num <= 0 || i_sar_den <= 0 )
    {
        /* assume 1:1 sar */
        i_sar_num = 1;
        i_sar_den = 1;
    }

    es_format_Init( &p_sys->fmt_video, VIDEO_ES, i_chroma );
    video_format_Setup( &p_sys->fmt_video.video, i_chroma,
                        i_width, i_height, i_width, i_height,
                        i_sar_num, i_sar_den );

    vlc_ureduce( &p_sys->fmt_video.video.i_frame_rate,
                 &p_sys->fmt_video.video.i_frame_rate_base,
                 u_fps_num, u_fps_den, 0);
    date_Init( &p_sys->pcr, p_sys->fmt_video.video.i_frame_rate,
               p_sys->fmt_video.video.i_frame_rate_base );
    date_Set( &p_sys->pcr, 0 );

    if( !p_sys->fmt_video.video.i_bits_per_pixel )
    {
        msg_Err( p_demux, "Unsupported chroma 0x%.8x (%4.4s)", i_chroma,
                 (char*)&i_chroma );
        goto error;
    }
    p_sys->frame_size = i_width * i_height
                        * p_sys->fmt_video.video.i_bits_per_pixel / 8;
    p_sys->p_es_video = es_out_Add( p_demux->out, &p_sys->fmt_video );

    p_demux->pf_demux   = Demux;
    p_demux->pf_control = Control;
    return VLC_SUCCESS;

error:
    stream_Seek( p_demux->s, 0 ); // Workaround, but y4m uses stream_ReadLines
    free( p_sys );
    return VLC_EGENERIC;
}
示例#13
0
文件: xwd.c 项目: Geal/vlc
static picture_t *Decode (decoder_t *dec, block_t **pp)
{
    picture_t *pic = NULL;

    if (pp == NULL)
        return NULL;

    block_t *block = *pp;
    if (block == NULL)
        return NULL;
    *pp = NULL;

    if (block->i_pts <= VLC_TS_INVALID)
        goto drop; /* undated block, should never happen */
    if (block->i_buffer < sz_XWDheader)
        goto drop;

    /* Skip XWD header */
    const XWDFileHeader *hdr = (const void *)block->p_buffer;
    uint32_t hdrlen = ntohl(hdr->header_size);
    if (hdrlen < sz_XWDheader
     || ntohl(hdr->file_version) < XWD_FILE_VERSION
     || ntohl(hdr->pixmap_format) != 2 /* ZPixmap */)
        goto drop;

    hdrlen += ntohl(hdr->ncolors) * sz_XWDColor;
    if (hdrlen > block->i_buffer)
        goto drop;
    block->p_buffer += hdrlen;
    block->i_buffer -= hdrlen;

    /* Parse XWD header */
    vlc_fourcc_t chroma = 0;
    switch (ntohl(hdr->pixmap_depth))
    {
        case 8:
            if (ntohl(hdr->bits_per_pixel) == 8)
                chroma = VLC_CODEC_RGB8;
            break;
        case 15:
            if (ntohl(hdr->bits_per_pixel) == 16)
                chroma = VLC_CODEC_RGB15;
            break;
        case 16:
            if (ntohl(hdr->bits_per_pixel) == 16)
                chroma = VLC_CODEC_RGB16;
            break;
        case 24:
            switch (ntohl(hdr->bits_per_pixel))
            {
                case 32: chroma = VLC_CODEC_RGB32; break;
                case 24: chroma = VLC_CODEC_RGB24; break;
            }
            break;
        case 32:
            if (ntohl(hdr->bits_per_pixel) == 32)
                chroma = VLC_CODEC_ARGB;
            break;
    }
    /* TODO: check image endianess, set RGB mask */
    if (!chroma)
        goto drop;

    video_format_Setup(&dec->fmt_out.video, chroma,
                       ntohl(hdr->pixmap_width), ntohl(hdr->pixmap_height),
                       ntohl(hdr->pixmap_width), ntohl(hdr->pixmap_height),
                       dec->fmt_in.video.i_sar_num,
                       dec->fmt_in.video.i_sar_den);

    const size_t copy = dec->fmt_out.video.i_width
                        * (dec->fmt_out.video.i_bits_per_pixel / 8);
    const uint32_t pitch = ntohl(hdr->bytes_per_line);

    /* Build picture */
    if (pitch < copy
     || (block->i_buffer / pitch) < dec->fmt_out.video.i_height)
        goto drop;

    if (decoder_UpdateVideoFormat(dec))
        goto drop;
    pic = decoder_NewPicture(dec);
    if (pic == NULL)
        goto drop;

    const uint8_t *in = block->p_buffer;
    uint8_t *out = pic->p->p_pixels;
    for (unsigned i = 0; i < dec->fmt_out.video.i_height; i++)
    {
        memcpy(out, in, copy);
        in += pitch;
        out += pic->p->i_pitch;
    }
    pic->date = block->i_pts;
    pic->b_progressive = true;

drop:
    block_Release(block);
    return pic;
}
示例#14
0
/**
 * @brief Read header of y4m stream and make a compatible video_format_t
 * @return 1 if successful, <=0 on error
 */
static int readY4mHeader(const filter_t* intf, video_format_t* fmt, int fd)
{
    char header[256] = { 0 };
    if (0 >= readLine(header, sizeof(header)-1, fd))
    {
        msg_Err(intf, "readY4mHeader: failed to read header: errno=%d %s",
            errno, strerror(errno));
        return -1;
    }

    if (strncmp(header, "YUV4MPEG2", 9) != 0)
    {
        msg_Err(intf, "readY4mHeader: input is not a y4m stream");
        return -2;
    }

    int width, height, fpsNum, fpsDen, sarNum, sarDen;
    width = height = fpsNum = sarNum = 0;
    fpsDen = sarDen = 1;
    char y4mChroma[32] = { 0 };

    char* ptr = header;
    while (*ptr)
    {
        if (*ptr++ == ' ')
        {
            char field = *ptr++;
            switch (field)
            {
            case 'W':
                sscanf(ptr, "%d", &width);
                break;
            case 'H':
                sscanf(ptr, "%d", &height);
                break;
            case 'F':
                sscanf(ptr, "%d:%d", &fpsNum, &fpsDen);
                break;
            case 'A':
                sscanf(ptr, "%d:%d", &sarNum, &sarDen);
                break;
            case 'C':
                sscanf(ptr, "%31s", y4mChroma);
                break;
            case 'I':
                break;
            }
        }
    }

    vlc_fourcc_t chroma = 0;
    int i = 0;
    while (sChromaTable[i].name)
    {
        if (0 == strcmp(y4mChroma, sChromaTable[i].name))
        {
            chroma = sChromaTable[i].fourcc;
            break;
        }
        i++;
    }

    if (chroma == 0)
    {
        msg_Err(intf, "readY4mHeader: unsupported Y4M chroma: %s", y4mChroma);
        return -3;
    }

    // vspipe is giving aspect 0:0, (maybe a bug), assume 1:1
    // fixme: keep same as the input sar
    if (sarNum == 0 || sarDen == 0)
    {
        msg_Info(intf, "readY4mHeader: assume sar 1:1");
        sarNum = 1;
        sarDen = 1;
    }

    msg_Info(intf, "readY4mHeader: %s", header);
    msg_Info(intf,
             "readY4mHeader: w=%d h=%d fps=%d:%d sar=%d:%d chroma=%s",
             width,
             height,
             fpsNum,
             fpsDen,
             sarNum,
             sarDen,
             y4mChroma);

    video_format_Setup(fmt, chroma, width, height, width, height, sarNum, sarDen);

    fmt->i_frame_rate = fpsNum;
    fmt->i_frame_rate_base = fpsDen;

    return 1;
}
示例#15
0
文件: daala.c 项目: 9034725985/vlc
static int OpenEncoder( vlc_object_t *p_this )
{
    encoder_t *p_enc = (encoder_t *)p_this;
    encoder_sys_t *p_sys;
    ogg_packet header;
    int status;

    if( p_enc->fmt_out.i_codec != VLC_CODEC_DAALA &&
        !p_enc->b_force )
    {
        return VLC_EGENERIC;
    }

    /* Allocate the memory needed to store the encoder's structure */
    p_sys = malloc( sizeof( encoder_sys_t ) );
    if( !p_sys )
        return VLC_ENOMEM;
    p_enc->p_sys = p_sys;

    p_enc->pf_encode_video = Encode;
    p_enc->fmt_in.i_codec = VLC_CODEC_I420;
    p_enc->fmt_out.i_codec = VLC_CODEC_DAALA;

    config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );

    char *psz_tmp = var_GetString( p_enc, ENC_CFG_PREFIX "chroma-fmt" );
    uint32_t i_codec;
    if( !psz_tmp ) {
        free(p_sys);
        return VLC_ENOMEM;
    } else {
        if( !strcmp( psz_tmp, "420" ) ) {
            i_codec = VLC_CODEC_I420;
        }
        else if( !strcmp( psz_tmp, "444" ) ) {
            i_codec = VLC_CODEC_I444;
        }
        else {
            msg_Err( p_enc, "Invalid chroma format: %s", psz_tmp );
            free( psz_tmp );
            free( p_sys );
            return VLC_EGENERIC;
        }
        free( psz_tmp );
        p_enc->fmt_in.i_codec = i_codec;
        /* update bits_per_pixel */
        video_format_Setup(&p_enc->fmt_in.video, i_codec,
                p_enc->fmt_in.video.i_width,
                p_enc->fmt_in.video.i_height,
                p_enc->fmt_in.video.i_visible_width,
                p_enc->fmt_in.video.i_visible_height,
                p_enc->fmt_in.video.i_sar_num,
                p_enc->fmt_in.video.i_sar_den);
    }

    daala_info_init( &p_sys->di );

    p_sys->di.pic_width = p_enc->fmt_in.video.i_visible_width;
    p_sys->di.pic_height = p_enc->fmt_in.video.i_visible_height;

    p_sys->di.nplanes = 3;
    for (int i = 0; i < p_sys->di.nplanes; i++)
    {
        p_sys->di.plane_info[i].xdec = i > 0 && i_codec != VLC_CODEC_I444;
        p_sys->di.plane_info[i].ydec = i_codec == VLC_CODEC_I420 ?
            p_sys->di.plane_info[i].xdec : 0;
    }
    p_sys->di.frame_duration = 1;

    if( !p_enc->fmt_in.video.i_frame_rate ||
        !p_enc->fmt_in.video.i_frame_rate_base )
    {
        p_sys->di.timebase_numerator = 25;
        p_sys->di.timebase_denominator = 1;
    }
    else
    {
        p_sys->di.timebase_numerator = p_enc->fmt_in.video.i_frame_rate;
        p_sys->di.timebase_denominator = p_enc->fmt_in.video.i_frame_rate_base;
    }

    if( p_enc->fmt_in.video.i_sar_num > 0 && p_enc->fmt_in.video.i_sar_den > 0 )
    {
        unsigned i_dst_num, i_dst_den;
        vlc_ureduce( &i_dst_num, &i_dst_den,
                     p_enc->fmt_in.video.i_sar_num,
                     p_enc->fmt_in.video.i_sar_den, 0 );
        p_sys->di.pixel_aspect_numerator = i_dst_num;
        p_sys->di.pixel_aspect_denominator = i_dst_den;
    }
    else
    {
        p_sys->di.pixel_aspect_numerator = 4;
        p_sys->di.pixel_aspect_denominator = 3;
    }

    p_sys->di.keyframe_rate = var_GetInteger( p_enc, ENC_CFG_PREFIX "keyint" );

    daala_enc_ctx *dcx;
    p_sys->dcx = dcx = daala_encode_create( &p_sys->di );
    if( !dcx )
    {
        free( p_sys );
        return VLC_ENOMEM;
    }

    daala_comment_init( &p_sys->dc );

    int i_quality = var_GetInteger( p_enc, ENC_CFG_PREFIX "quality" );
    daala_encode_ctl( dcx, OD_SET_QUANT, &i_quality, sizeof(i_quality) );

    /* Create and store headers */
    while( ( status = daala_encode_flush_header( dcx, &p_sys->dc, &header ) ) )
    {
        if ( status < 0 )
        {
            CloseEncoder( p_this );
            return VLC_EGENERIC;
        }
        if( xiph_AppendHeaders( &p_enc->fmt_out.i_extra,
                                &p_enc->fmt_out.p_extra, header.bytes,
                                header.packet ) )
        {
            p_enc->fmt_out.i_extra = 0;
            p_enc->fmt_out.p_extra = NULL;
        }
    }
    return VLC_SUCCESS;
}
示例#16
0
文件: decklink.cpp 项目: Adatan/vlc
static int OpenVideo(vlc_object_t *p_this)
{
    vout_display_t *vd = (vout_display_t *)p_this;
    vout_display_sys_t *sys;
    struct decklink_sys_t *decklink_sys;

    vd->sys = sys = (vout_display_sys_t*)malloc(sizeof(*sys));
    if (!sys)
        return VLC_ENOMEM;

    sys->tenbits = var_InheritBool(p_this, VIDEO_CFG_PREFIX "tenbits");
    sys->nosignal_delay = var_InheritInteger(p_this, VIDEO_CFG_PREFIX "nosignal-delay");
    sys->pic_nosignal = NULL;

    decklink_sys = OpenDecklink(vd);
    if (!decklink_sys) {
        if (sys->pic_nosignal)
            picture_Release(sys->pic_nosignal);
        free(sys);
        return VLC_EGENERIC;
    }

    sys->pool = NULL;

    vd->fmt.i_chroma = sys->tenbits
        ? VLC_CODEC_I422_10L /* we will convert to v210 */
        : VLC_CODEC_UYVY;
    //video_format_FixRgb(&(vd->fmt));

    vd->fmt.i_width = decklink_sys->i_width;
    vd->fmt.i_height = decklink_sys->i_height;

    char *pic_file = var_InheritString(p_this, VIDEO_CFG_PREFIX "nosignal-image");
    if (pic_file) {
        image_handler_t *img = image_HandlerCreate(p_this);
        if (!img) {
            msg_Err(p_this, "Could not create image converter");
        } else {
            video_format_t in, dummy;

            video_format_Init(&in, 0);
            video_format_Setup(&in, 0, vd->fmt.i_width, vd->fmt.i_height,
                    vd->fmt.i_width, vd->fmt.i_height, 1, 1);

            video_format_Init(&dummy, 0);

            picture_t *png = image_ReadUrl(img, pic_file, &dummy, &in);
            if (png) {
                msg_Err(p_this, "Converting");
                sys->pic_nosignal = image_Convert(img, png, &in, &vd->fmt);
                picture_Release(png);
            }

            image_HandlerDelete(img);
        }

        free(pic_file);
        if (!sys->pic_nosignal) {
            CloseVideo(p_this);
            msg_Err(p_this, "Could not create no signal picture");
            return VLC_EGENERIC;
        }
    }
    vd->info.has_hide_mouse = true;
    vd->pool    = PoolVideo;
    vd->prepare = NULL;
    vd->display = DisplayVideo;
    vd->control = ControlVideo;
    vd->manage  = NULL;
    vout_display_SendEventFullscreen(vd, false);

    return VLC_SUCCESS;
}
示例#17
0
/*****************************************************************************
 * Command functions
 *****************************************************************************/
static int exec_DataSharedMem( filter_t *p_filter,
                               const commandparams_t *p_params,
                               commandparams_t *p_results )
{
#if defined(HAVE_SYS_SHM_H)
    filter_sys_t *p_sys = (filter_sys_t*) p_filter->p_sys;
    struct shmid_ds shminfo;
    overlay_t *p_ovl;
    size_t i_size;

    VLC_UNUSED(p_results);

    p_ovl = ListGet( &p_sys->overlays, p_params->i_id );
    if( p_ovl == NULL )
    {
        msg_Err( p_filter, "Invalid overlay: %d", p_params->i_id );
        return VLC_EGENERIC;
    }

    if( shmctl( p_params->i_shmid, IPC_STAT, &shminfo ) == -1 )
    {
        msg_Err( p_filter, "Unable to access shared memory" );
        return VLC_EGENERIC;
    }
    i_size = shminfo.shm_segsz;

    if( p_params->fourcc == VLC_CODEC_TEXT )
    {
        char *p_data;

        if( (p_params->i_height != 1) || (p_params->i_width < 1) )
        {
            msg_Err( p_filter,
                     "Invalid width and/or height. when specifying text height "
                     "must be 1 and width the number of bytes in the string, "
                     "including the null terminator" );
            return VLC_EGENERIC;
        }

        if( (size_t)p_params->i_width > i_size )
        {
            msg_Err( p_filter,
                     "Insufficient data in shared memory. need %d, got %zu",
                     p_params->i_width, i_size );
            return VLC_EGENERIC;
        }

        p_ovl->data.p_text = malloc( p_params->i_width );
        if( p_ovl->data.p_text == NULL )
        {
            msg_Err( p_filter, "Unable to allocate string storage" );
            return VLC_ENOMEM;
        }

        video_format_Setup( &p_ovl->format, VLC_CODEC_TEXT,
                            0, 0, 0, 1 );

        p_data = shmat( p_params->i_shmid, NULL, SHM_RDONLY );
        if( p_data == NULL )
        {
            msg_Err( p_filter, "Unable to attach to shared memory" );
            free( p_ovl->data.p_text );
            p_ovl->data.p_text = NULL;
            return VLC_ENOMEM;
        }
        memcpy( p_ovl->data.p_text, p_data, p_params->i_width );

        shmdt( p_data );
    }
    else
    {
        uint8_t *p_data, *p_in;
        size_t i_neededsize = 0;

        p_ovl->data.p_pic = picture_New( p_params->fourcc,
                                         p_params->i_width, p_params->i_height,
                                         1, 1 );
        if( p_ovl->data.p_pic == NULL )
            return VLC_ENOMEM;

        p_ovl->format = p_ovl->data.p_pic->format;

        for( size_t i_plane = 0; i_plane < (size_t)p_ovl->data.p_pic->i_planes;
             ++i_plane )
        {
            i_neededsize += p_ovl->data.p_pic->p[i_plane].i_visible_lines *
                            p_ovl->data.p_pic->p[i_plane].i_visible_pitch;
        }

        if( i_neededsize > i_size )
        {
            msg_Err( p_filter,
                     "Insufficient data in shared memory. need %zu, got %zu",
                     i_neededsize, i_size );
            picture_Release( p_ovl->data.p_pic );
            p_ovl->data.p_pic = NULL;
            return VLC_EGENERIC;
        }

        p_data = shmat( p_params->i_shmid, NULL, SHM_RDONLY );
        if( p_data == NULL )
        {
            msg_Err( p_filter, "Unable to attach to shared memory" );
            picture_Release( p_ovl->data.p_pic );
            p_ovl->data.p_pic = NULL;
            return VLC_ENOMEM;
        }

        p_in = p_data;
        for( size_t i_plane = 0; i_plane < (size_t)p_ovl->data.p_pic->i_planes;
             ++i_plane )
        {
            uint8_t *p_out = p_ovl->data.p_pic->p[i_plane].p_pixels;
            for( size_t i_line = 0;
                 i_line < (size_t)p_ovl->data.p_pic->p[i_plane].i_visible_lines;
                 ++i_line )
            {
                memcpy( p_out, p_in,
                            p_ovl->data.p_pic->p[i_plane].i_visible_pitch );
                p_out += p_ovl->data.p_pic->p[i_plane].i_pitch;
                p_in += p_ovl->data.p_pic->p[i_plane].i_visible_pitch;
            }
        }
        shmdt( p_data );
    }
    p_sys->b_updated = p_ovl->b_active;

    return VLC_SUCCESS;
#else
    VLC_UNUSED(p_params);
    VLC_UNUSED(p_results);

    msg_Err( p_filter, "system doesn't support shared memory" );
    return VLC_EGENERIC;
#endif
}
示例#18
0
/**
 * ProjectM update thread which do the rendering
 * @param p_this: the p_thread object
 */
static void *Thread( void *p_data )
{
    filter_t     *p_filter = (filter_t*)p_data;
    filter_sys_t *p_sys = p_filter->p_sys;
    int cancel = vlc_savecancel();
    video_format_t fmt;
    vout_opengl_t *gl;
    int i_last_width  = 0;
    int i_last_height = 0;
#ifdef HAVE_PROJECTM2
    projectM::Settings settings;
#endif

    /* Create the openGL provider */
    p_sys->p_vout =
        (vout_thread_t *)vlc_object_create( p_filter, sizeof(vout_thread_t) );
    if( !p_sys->p_vout )
        goto error;

    vlc_object_attach( p_sys->p_vout, p_filter );

    /* */
    video_format_Init( &fmt, 0 );
    video_format_Setup( &fmt, VLC_CODEC_RGB32,
                        p_sys->i_width, p_sys->i_height, 0, 1 );
    fmt.i_sar_num = 1;
    fmt.i_sar_den = 1;

    vout_display_state_t state;
    memset( &state, 0, sizeof(state) );
    state.cfg.display.sar.num = 1;
    state.cfg.display.sar.den = 1;
    state.cfg.is_display_filled = true;
    state.cfg.zoom.num = 1;
    state.cfg.zoom.den = 1;
    state.sar.num = 1;
    state.sar.den = 1;

    p_sys->p_vd = vout_NewDisplay( p_sys->p_vout, &fmt, &state, "opengl",
                                   300000, 1000000 );
    if( !p_sys->p_vd )
    {
        vlc_object_release( p_sys->p_vout );
        goto error;
    }
    var_Create( p_sys->p_vout, "fullscreen", VLC_VAR_BOOL );
    var_AddCallback( p_sys->p_vout, "fullscreen", VoutCallback, p_sys->p_vd );

    gl = vout_GetDisplayOpengl( p_sys->p_vd );
    if( !gl )
    {
        vout_DeleteDisplay( p_sys->p_vd, NULL );
        vlc_object_release( p_sys->p_vout );
        goto error;
    }

    /* Create the projectM object */
#ifndef HAVE_PROJECTM2
    p_sys->p_projectm = new projectM( p_sys->psz_config );
#else
    settings.meshX = 32;
    settings.meshY = 24;
    settings.fps = 35;
    settings.textureSize = 1024;
    settings.windowWidth = p_sys->i_width;
    settings.windowHeight = p_sys->i_height;
    settings.presetURL = p_sys->psz_preset_path;
    settings.titleFontURL =  p_sys->psz_title_font;
    settings.menuFontURL = p_sys->psz_menu_font;
    settings.smoothPresetDuration = 5;
    settings.presetDuration = 30;
    settings.beatSensitivity = 10;
    settings.aspectCorrection = 1;
    settings.easterEgg = 1;
    settings.shuffleEnabled = 1;
    p_sys->p_projectm = new projectM( settings );
#endif
    p_sys->i_buffer_size = p_sys->p_projectm->pcm()->maxsamples;
    p_sys->p_buffer = (float*)calloc( p_sys->i_buffer_size,
                                      sizeof( float ) );

    vlc_sem_post( &p_sys->ready );

    /* TODO: Give to projectm the name of the input
    p_sys->p_projectm->projectM_setTitle( "" ); */

    /* */
    for( ;; )
    {
        const mtime_t i_deadline = mdate() + CLOCK_FREQ / 50; /* 50 fps max */
        /* Manage the events */
        vout_ManageDisplay( p_sys->p_vd, true );
        if( p_sys->p_vd->cfg->display.width  != i_last_width ||
            p_sys->p_vd->cfg->display.height != i_last_height )
        {
            /* FIXME it is not perfect as we will have black bands */
            vout_display_place_t place;
            vout_display_PlacePicture( &place, &p_sys->p_vd->source, p_sys->p_vd->cfg, false );
            p_sys->p_projectm->projectM_resetGL( place.width, place.height );

            i_last_width  = p_sys->p_vd->cfg->display.width;
            i_last_height = p_sys->p_vd->cfg->display.height;
        }

        /* Render the image and swap the buffers */
        vlc_mutex_lock( &p_sys->lock );
        if( p_sys->i_nb_samples > 0 )
        {
            p_sys->p_projectm->pcm()->addPCMfloat( p_sys->p_buffer,
                                                   p_sys->i_nb_samples );
            p_sys->i_nb_samples = 0;
        }
        if( p_sys->b_quit )
        {
            vlc_mutex_unlock( &p_sys->lock );

            delete p_sys->p_projectm;
            vout_DeleteDisplay( p_sys->p_vd, NULL );
            vlc_object_release( p_sys->p_vout );
            return NULL;
        }
        vlc_mutex_unlock( &p_sys->lock );

        p_sys->p_projectm->renderFrame();

        /* */
        mwait( i_deadline );

        if( !vout_opengl_Lock(gl) )
        {
            vout_opengl_Swap( gl );
            vout_opengl_Unlock( gl );
        }
    }
    abort();

error:
    p_sys->b_error = true;
    vlc_sem_post( &p_sys->ready );
    return NULL;
}
示例#19
0
/*****************************************************************************
 * OpenDecoder: probe the decoder and return score
 *****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
    decoder_t *p_dec = (decoder_t*)p_this;
    decoder_sys_t *p_sys;

    switch( p_dec->fmt_in.i_codec )
    {
        /* Planar YUV */
        case VLC_CODEC_I444:
        case VLC_CODEC_J444:
        case VLC_CODEC_I440:
        case VLC_CODEC_J440:
        case VLC_CODEC_I422:
        case VLC_CODEC_J422:
        case VLC_CODEC_I420:
        case VLC_CODEC_J420:
        case VLC_CODEC_YV12:
        case VLC_CODEC_YV9:
        case VLC_CODEC_I411:
        case VLC_CODEC_I410:
        case VLC_CODEC_GREY:
        case VLC_CODEC_YUVP:
        case VLC_CODEC_NV12:
        case VLC_CODEC_NV21:
        case VLC_CODEC_I422_10L:
        case VLC_CODEC_I422_10B:

        /* Packed YUV */
        case VLC_CODEC_YUYV:
        case VLC_CODEC_YVYU:
        case VLC_CODEC_UYVY:
        case VLC_CODEC_VYUY:

        /* RGB */
        case VLC_CODEC_RGB32:
        case VLC_CODEC_RGB24:
        case VLC_CODEC_RGB16:
        case VLC_CODEC_RGB15:
        case VLC_CODEC_RGB8:
        case VLC_CODEC_RGBP:
        case VLC_CODEC_RGBA:
            break;

        default:
            return VLC_EGENERIC;
    }

    /* Allocate the memory needed to store the decoder's structure */
    if( ( p_dec->p_sys = p_sys =
          (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
        return VLC_ENOMEM;
    /* Misc init */
    p_dec->p_sys->b_packetizer = false;
    p_sys->b_invert = false;

    if( (int)p_dec->fmt_in.video.i_height < 0 )
    {
        /* Frames are coded from bottom to top */
        p_dec->fmt_in.video.i_height =
            (unsigned int)(-(int)p_dec->fmt_in.video.i_height);
        p_sys->b_invert = true;
    }
    if( !p_dec->fmt_in.video.i_visible_width )
        p_dec->fmt_in.video.i_visible_width = p_dec->fmt_in.video.i_width;
    if( !p_dec->fmt_in.video.i_visible_height )
        p_dec->fmt_in.video.i_visible_height = p_dec->fmt_in.video.i_height;

    if( p_dec->fmt_in.video.i_visible_width <= 0
     || p_dec->fmt_in.video.i_visible_height <= 0 )
    {
        msg_Err( p_dec, "invalid display size %dx%d",
                 p_dec->fmt_in.video.i_width, p_dec->fmt_in.video.i_height );
        return VLC_EGENERIC;
    }

    es_format_Copy( &p_dec->fmt_out, &p_dec->fmt_in );

    date_Init( &p_sys->pts, p_dec->fmt_out.video.i_frame_rate,
               p_dec->fmt_out.video.i_frame_rate_base );
    if( p_dec->fmt_out.video.i_frame_rate == 0 ||
        p_dec->fmt_out.video.i_frame_rate_base == 0)
    {
        msg_Warn( p_dec, "invalid frame rate %d/%d, using 25 fps instead",
                  p_dec->fmt_out.video.i_frame_rate,
                  p_dec->fmt_out.video.i_frame_rate_base);
        date_Init( &p_sys->pts, 25, 1 );
    }

    /* Find out p_vdec->i_raw_size */
    video_format_Setup( &p_dec->fmt_out.video, p_dec->fmt_in.i_codec,
                        p_dec->fmt_in.video.i_visible_width,
                        p_dec->fmt_in.video.i_visible_height,
                        p_dec->fmt_in.video.i_sar_num,
                        p_dec->fmt_in.video.i_sar_den );
    picture_t picture;
    picture_Setup( &picture, p_dec->fmt_out.i_codec,
                   p_dec->fmt_in.video.i_width,
                   p_dec->fmt_in.video.i_height, 0, 1 );
    p_sys->i_raw_size = 0;
    for( int i = 0; i < picture.i_planes; i++ )
    {
        p_sys->i_raw_size += picture.p[i].i_visible_pitch *
                             picture.p[i].i_visible_lines;
        p_sys->planes[i] = picture.p[i];
    }

    if( !p_dec->fmt_in.video.i_sar_num || !p_dec->fmt_in.video.i_sar_den )
    {
        p_dec->fmt_out.video.i_sar_num = 1;
        p_dec->fmt_out.video.i_sar_den = 1;
    }

    /* Set callbacks */
    p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
        DecodeBlock;
    p_dec->pf_packetize    = (block_t *(*)(decoder_t *, block_t **))
        DecodeBlock;

    return VLC_SUCCESS;
}
示例#20
0
/**
 * VSXu update thread which do the rendering
 * @param p_this: the p_thread object
 */
static void *Thread( void *p_data )
{
    filter_t  *p_filter = (filter_t*)p_data;
    filter_sys_t *p_sys = p_filter->p_sys;

    // our abstract manager holder
    vsx_manager_abs* manager = 0;

    // temp audio buffer for sending to vsxu through manager
    float f_sample_buf[512];

    // vsxu logo intro
    vsx_logo_intro* intro = 0;

    vout_display_t *p_vd;

    video_format_t fmt;
    vlc_gl_t *gl;

    unsigned int i_last_width  = 0;
    unsigned int i_last_height = 0;
    bool first = true;
    bool run = true;

    /* Create the openGL provider */
    vout_thread_t  *p_vout;

    p_vout = (vout_thread_t *)vlc_object_create( p_filter, sizeof(vout_thread_t) );
    if( !p_vout )
        goto error;

    video_format_Init( &fmt, 0 );
    video_format_Setup( &fmt, VLC_CODEC_RGB32,
                        p_sys->i_width, p_sys->i_height, 0, 1 );
    fmt.i_sar_num = 1;
    fmt.i_sar_den = 1;

    vout_display_state_t state;
    memset( &state, 0, sizeof(state) );
    state.cfg.display.sar.num = 1;
    state.cfg.display.sar.den = 1;
    state.cfg.is_display_filled = true;
    state.cfg.zoom.num = 1;
    state.cfg.zoom.den = 1;
    state.sar.num = 1;
    state.sar.den = 1;

    p_vd = vout_NewDisplay( p_vout, &fmt, &state, "opengl", 300000, 1000000 );
    if( !p_vd )
    {
        vlc_object_release( p_vout );
        goto error;
    }
    var_Create( p_vout, "fullscreen", VLC_VAR_BOOL );
    var_AddCallback( p_vout, "fullscreen", VoutCallback, p_vd );

    gl = vout_GetDisplayOpengl( p_vd );
    if( !gl )
    {
        var_DelCallback( p_vout, "fullscreen", VoutCallback, p_vd );
        vout_DeleteDisplay( p_vd, NULL );
        vlc_object_release( p_vout );
        goto error;
    }

    // tell main thread we are ready
    vlc_sem_post( &p_sys->ready );

    while ( run )
    {
        /* Manage the events */
        vout_ManageDisplay( p_vd, true );
        if( p_vd->cfg->display.width  != i_last_width ||
            p_vd->cfg->display.height != i_last_height )
        {
            /* FIXME it is not perfect as we will have black bands */
            vout_display_place_t place;
            vout_display_PlacePicture( &place, &p_vd->source, p_vd->cfg, false );

            i_last_width  = p_vd->cfg->display.width;
            i_last_height = p_vd->cfg->display.height;
        }

        // look for control commands from outside the thread
        vlc_mutex_lock( &p_sys->lock );
            if( p_sys->b_quit )
            {
                run = false;
            }
        vlc_mutex_unlock( &p_sys->lock );

        if (first)
        {
            // only run this once
            first = false;

            // create a new manager
            manager = manager_factory();

            // init manager with the shared path and sound input type.
            manager->init( 0, "media_player" );

            // only show logo once
            // keep track of iterations
            static int i_iterations = 0;
            if ( i_iterations++ < 1 )
            {
                intro = new vsx_logo_intro();
                intro->set_destroy_textures( false );
            }
        }

        // lock cyclic buffer mutex and copy floats
        vlc_mutex_lock( &p_sys->cyclic_block_mutex );
            block_holder* bh = p_sys->vsxu_cyclic_buffer->consume();
            memcpy( &f_sample_buf[0], (void*)(&bh->data[0]), sizeof(float) * 512 );
        vlc_mutex_unlock( &p_sys->cyclic_block_mutex );

        // send sound pointer to vsxu
        manager->set_sound_wave( &f_sample_buf[0] );

        // render vsxu engine
        if (manager) manager->render();

        // render intro
        if (intro) intro->draw();

        // swap buffers etc.
        if( !vlc_gl_Lock(gl) )
        {
            vlc_gl_Swap( gl );
            vlc_gl_Unlock( gl );
        }
    }

    // stop vsxu nicely (unloads textures and frees memory)
    if (manager) manager->stop();

    // call manager factory to destruct our manager object
    if (manager) manager_destroy( manager );

    // delete the intro (if ever allocated)
    if (intro) delete intro;

    var_DelCallback( p_vout, "fullscreen", VoutCallback, p_vd );

    // clean out vlc opengl stuff
    vout_DeleteDisplay( p_vd, NULL );
    vlc_object_release( p_vout );

    // clean up the cyclic buffer
    vlc_mutex_lock( &p_sys->cyclic_block_mutex );
        p_sys->vsxu_cyclic_buffer->reset();
    vlc_mutex_unlock( &p_sys->cyclic_block_mutex );

    // die
    return NULL;

error:
    p_sys->b_error = true;
    vlc_sem_post( &p_sys->ready );
    return NULL;
}