Ejemplo n.º 1
0
/*****************************************************************************
 * Close:
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    demux_t     *p_demux = (demux_t*)p_this;
    demux_sys_t *p_sys = p_demux->p_sys;
    int i;

    for( i = 0; i < PS_TK_COUNT; i++ )
    {
        ps_track_t *tk = &p_sys->tk[i];
        if( tk->b_seen )
        {
            es_format_Clean( &tk->fmt );
            if( tk->es ) es_out_Del( p_demux->out, tk->es );
        }
    }

    /* Free the array of titles */
    for( int i = 0; i < p_sys->i_titles; i++ )
        vlc_input_title_Delete( p_sys->titles[i] );
    TAB_CLEAN( p_sys->i_titles, p_sys->titles );

    /* Close libdvdread */
    if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
    if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
    if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
    DVDClose( p_sys->p_dvdread );

    free( p_sys );
}
Ejemplo n.º 2
0
    virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents events, IDeckLinkDisplayMode *mode, BMDDetectedVideoInputFormatFlags)
    {
        demux_sys_t *sys = demux_->p_sys;

        if( !(events & bmdVideoInputDisplayModeChanged ))
            return S_OK;

        const char *mode_name;
        if (mode->GetName(&mode_name) != S_OK)
            mode_name = "unknown";

        msg_Dbg(demux_, "Video input format changed to %s", mode_name);
        if (!sys->autodetect) {
            msg_Err(demux_, "Video format detection disabled");
            return S_OK;
        }

        es_out_Del(demux_->out, sys->video_es);
        es_format_t video_fmt = GetModeSettings(demux_, mode);
        sys->video_es = es_out_Add(demux_->out, &video_fmt);

        BMDPixelFormat fmt = sys->tenbits ? bmdFormat10BitYUV : bmdFormat8BitYUV;
        sys->input->PauseStreams();
        sys->input->EnableVideoInput( mode->GetDisplayMode(), fmt, bmdVideoInputEnableFormatDetection );
        sys->input->FlushStreams();
        sys->input->StartStreams();

        return S_OK;
    }
Ejemplo n.º 3
0
static void ts_pes_es_Clean( demux_t *p_demux, ts_pes_es_t *p_es )
{
    if( p_es && p_es->id )
    {
        /* Ensure we don't wait for overlap hacks #14257 */
        es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, p_es->id, false );
        es_out_Del( p_demux->out, p_es->id );
        p_demux->p_sys->i_pmt_es--;
    }
    es_format_Clean( &p_es->fmt );
}
Ejemplo n.º 4
0
Archivo: vnc.c Proyecto: mstorsjo/vlc
/*****************************************************************************
 * Close:
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    demux_t     *p_demux = (demux_t*)p_this;
    demux_sys_t *p_sys = p_demux->p_sys;

    vlc_cancel( p_sys->thread );
    vlc_join( p_sys->thread, NULL );

    if ( p_sys->es )
        es_out_Del( p_demux->out, p_sys->es );

    rfbClientCleanup( p_sys->p_client );

    if ( p_sys->p_block )
        block_Release( p_sys->p_block );
}
Ejemplo n.º 5
0
Archivo: rdp.c Proyecto: mstorsjo/vlc
static void desktopResizeHandler( rdpContext *p_context )
{
    vlcrdp_context_t * p_vlccontext = (vlcrdp_context_t *) p_context;
    demux_sys_t *p_sys = p_vlccontext->p_demux->p_sys;
    rdpGdi *p_gdi = p_context->gdi;

    if ( p_sys->es )
    {
        es_out_Del( p_vlccontext->p_demux->out, p_sys->es );
        p_sys->es = NULL;
    }

    /* Now init and fill es format */
    vlc_fourcc_t i_chroma;
    switch( p_gdi->bytesPerPixel )
    {
        default:
        case 16:
            i_chroma = VLC_CODEC_RGB16;
            break;
        case 24:
            i_chroma = VLC_CODEC_RGB24;
            break;
        case 32:
            i_chroma = VLC_CODEC_RGB32;
            break;
    }
    es_format_t fmt;
    es_format_Init( &fmt, VIDEO_ES, i_chroma );

    fmt.video.i_chroma = i_chroma;
    fmt.video.i_visible_width =
    fmt.video.i_width = p_gdi->width;
    fmt.video.i_visible_height =
    fmt.video.i_height = p_gdi->height;
    fmt.video.i_frame_rate_base = 1000;
    fmt.video.i_frame_rate = 1000 * p_sys->f_fps;
    p_sys->i_framebuffersize = p_gdi->width * p_gdi->height * p_gdi->bytesPerPixel;

    if ( p_sys->p_block )
        p_sys->p_block = block_Realloc( p_sys->p_block, 0, p_sys->i_framebuffersize );
    else
        p_sys->p_block = block_Alloc( p_sys->i_framebuffersize );

    p_sys->es = es_out_Add( p_vlccontext->p_demux->out, &fmt );
}
Ejemplo n.º 6
0
static void output_mode_cb(void *data, struct wl_output *output,
                           uint32_t flags, int32_t width, int32_t height,
                           int32_t refresh)
{
    demux_t *demux = data;
    demux_sys_t *sys = demux->p_sys;

    msg_Dbg(demux, "output mode: 0x%08"PRIX32" %"PRId32"x%"PRId32
            " %"PRId32"mHz%s", flags, width, height, refresh,
            (flags & WL_OUTPUT_MODE_CURRENT) ? " (current)" : "");

    if (!(flags & WL_OUTPUT_MODE_CURRENT))
        return;
    if (width <= sys->x || height <= sys->y)
        return;

    if (sys->es != NULL)
        es_out_Del(demux->out, sys->es);

    es_format_t fmt;

    es_format_Init(&fmt, VIDEO_ES, VLC_CODEC_RGB32);
    fmt.video.i_chroma = VLC_CODEC_RGB32;
    fmt.video.i_bits_per_pixel = 32;
    fmt.video.i_sar_num = fmt.video.i_sar_den = 1;
    fmt.video.i_frame_rate = lroundf(1000.f * sys->rate);
    fmt.video.i_frame_rate_base = 1000;
    fmt.video.i_width = width;

    if (sys->w != 0 && width > sys->w + sys->x)
        fmt.video.i_visible_width = sys->w;
    else
        fmt.video.i_visible_width = width - sys->x;

    if (sys->h != 0 && height > sys->h + sys->y)
        fmt.video.i_visible_height = sys->h;
    else
        fmt.video.i_visible_height = height - sys->y;

    fmt.video.i_height = fmt.video.i_visible_height;

    sys->es = es_out_Add(demux->out, &fmt);
    sys->width = width;
    sys->height = height;
    (void) output;
}
Ejemplo n.º 7
0
Archivo: vnc.c Proyecto: mstorsjo/vlc
static void *DemuxThread( void *p_data )
{
    demux_t *p_demux = (demux_t *) p_data;
    demux_sys_t  *p_sys = p_demux->p_sys;
    vlc_tick_t i_next_frame_date = vlc_tick_now() + p_sys->i_frame_interval;
    int i_status;

    for(;;)
    {
        p_sys->i_cancel_state = vlc_savecancel();
        i_status = WaitForMessage( p_sys->p_client, p_sys->i_frame_interval );
        vlc_restorecancel( p_sys->i_cancel_state );

        /* Ensure we're not building frames too fast */
        /* as WaitForMessage takes only a maximum wait */
        vlc_tick_wait( i_next_frame_date );
        i_next_frame_date += p_sys->i_frame_interval;

        if ( i_status > 0 )
        {
            p_sys->p_client->frameBuffer = p_sys->p_block->p_buffer;
            p_sys->i_cancel_state = vlc_savecancel();
            i_status = HandleRFBServerMessage( p_sys->p_client );
            vlc_restorecancel( p_sys->i_cancel_state );
            if ( ! i_status )
            {
                msg_Warn( p_demux, "Cannot get announced data. Server closed ?" );
                es_out_Del( p_demux->out, p_sys->es );
                p_sys->es = NULL;
                return NULL;
            }
            else
            {
                block_t *p_block = block_Duplicate( p_sys->p_block );
                if ( p_block ) /* drop frame/content if no next block */
                {
                    p_sys->p_block->i_dts = p_sys->p_block->i_pts = vlc_tick_now();
                    es_out_SetPCR( p_demux->out, p_sys->p_block->i_pts );
                    es_out_Send( p_demux->out, p_sys->es, p_sys->p_block );
                    p_sys->p_block = p_block;
                }
            }
        }
    }
    return NULL;
}
Ejemplo n.º 8
0
void CloseDemux( demux_t* p_demux )
{
    demux_sys_t* p_sys = p_demux->p_sys;

    if( p_sys->p_rootnode )
        tt_node_RecursiveDelete( p_sys->p_rootnode );

    if( p_sys->p_es )
        es_out_Del( p_demux->out, p_sys->p_es );

    if( p_sys->p_reader )
        xml_ReaderDelete( p_sys->p_reader );

    if( p_sys->p_xml )
        xml_Delete( p_sys->p_xml );

    free( p_sys->times.p_array );

    free( p_sys );
}
Ejemplo n.º 9
0
Archivo: ps.c Proyecto: mstorsjo/vlc
/*****************************************************************************
 * Close
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    demux_t     *p_demux = (demux_t*)p_this;
    demux_sys_t *p_sys = p_demux->p_sys;
    int i;

    for( i = 0; i < PS_TK_COUNT; i++ )
    {
        ps_track_t *tk = &p_sys->tk[i];
        if( tk->b_configured )
        {
            es_format_Clean( &tk->fmt );
            if( tk->es ) es_out_Del( p_demux->out, tk->es );
        }
    }

    ps_psm_destroy( &p_sys->psm );

    free( p_sys );
}
Ejemplo n.º 10
0
Archivo: rdp.c Proyecto: mstorsjo/vlc
/*****************************************************************************
 * Close:
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    demux_t     *p_demux = (demux_t*)p_this;
    demux_sys_t *p_sys = p_demux->p_sys;

    vlc_cancel( p_sys->thread );
    vlc_join( p_sys->thread, NULL );

    if ( p_sys->es )
        es_out_Del( p_demux->out, p_sys->es );

    freerdp_disconnect( p_sys->p_instance );
    freerdp_free( p_sys->p_instance );
#if FREERDP_VERSION_MAJOR == 1 && FREERDP_VERSION_MINOR < 2
    freerdp_channels_global_uninit();
#endif

    if ( p_sys->p_block )
        block_Release( p_sys->p_block );

    free( p_sys->psz_hostname );
}
Ejemplo n.º 11
0
/*****************************************************************************
 * Close:
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    demux_t     *p_demux = (demux_t*)p_this;
    demux_sys_t *p_sys = p_demux->p_sys;
    int i;

    for( i = 0; i < PS_TK_COUNT; i++ )
    {
        ps_track_t *tk = &p_sys->tk[i];
        if( tk->b_seen )
        {
            es_format_Clean( &tk->fmt );
            if( tk->es ) es_out_Del( p_demux->out, tk->es );
        }
    }

    /* Close libdvdread */
    if( p_sys->p_title ) DVDCloseFile( p_sys->p_title );
    if( p_sys->p_vts_file ) ifoClose( p_sys->p_vts_file );
    if( p_sys->p_vmg_file ) ifoClose( p_sys->p_vmg_file );
    DVDClose( p_sys->p_dvdread );

    free( p_sys );
}
Ejemplo n.º 12
0
static int Open (vlc_object_t *obj)
{
    demux_t *demux = (demux_t *)obj;
    demux_sys_t *sys = vlc_obj_malloc(obj, sizeof (*sys));
    if (unlikely(sys == NULL))
        return VLC_ENOMEM;

    /* Open the device */
    const char *device = demux->psz_location;
    if (device == NULL || !device[0])
        device = "default";

    const int mode = SND_PCM_NONBLOCK
                 /*| SND_PCM_NO_AUTO_RESAMPLE*/
                   | SND_PCM_NO_AUTO_CHANNELS
                 /*| SND_PCM_NO_AUTO_FORMAT*/;
    snd_pcm_t *pcm;
    int val = snd_pcm_open (&pcm, device, SND_PCM_STREAM_CAPTURE, mode);
    if (val != 0)
    {
        msg_Err (demux, "cannot open ALSA device \"%s\": %s", device,
                 snd_strerror (val));
        return VLC_EGENERIC;
    }
    sys->pcm = pcm;
    msg_Dbg (demux, "using ALSA device: %s", device);
    DumpDevice (VLC_OBJECT(demux), pcm);

    /* Negotiate capture parameters */
    snd_pcm_hw_params_t *hw;
    es_format_t fmt;
    unsigned param;
    int dir;

    snd_pcm_hw_params_alloca (&hw);
    snd_pcm_hw_params_any (pcm, hw);
    Dump (demux, "initial hardware setup:\n", snd_pcm_hw_params_dump, hw);

    val = snd_pcm_hw_params_set_rate_resample (pcm, hw, 0);
    if (val)
    {
        msg_Err (demux, "cannot disable resampling: %s", snd_strerror (val));
        goto error;
    }

    val = snd_pcm_hw_params_set_access (pcm, hw,
                                        SND_PCM_ACCESS_RW_INTERLEAVED);
    if (val)
    {
        msg_Err (demux, "cannot set access mode: %s", snd_strerror (val));
        goto error;
    }

    snd_pcm_format_t format = SND_PCM_FORMAT_UNKNOWN;
    for (size_t i = 0; i < sizeof (choices) / sizeof (choices[0]); i++)
        if (snd_pcm_hw_params_test_format (pcm, hw, choices[i]) == 0)
        {
            val = snd_pcm_hw_params_set_format (pcm, hw, choices[i]);
            if (val)
            {
                msg_Err (demux, "cannot set sample format: %s",
                         snd_strerror (val));
                goto error;
            }
            format = choices[i];
            break;
        }

    if (format == SND_PCM_FORMAT_UNKNOWN)
    {
        msg_Err (demux, "no supported sample format");
        goto error;
    }

    assert ((size_t)format < (sizeof (formats) / sizeof (formats[0])));
    es_format_Init (&fmt, AUDIO_ES, formats[format]);
    fmt.audio.i_format = fmt.i_codec;

    param = 1 + var_InheritBool (demux, "alsa-stereo");
    val = snd_pcm_hw_params_set_channels_max (pcm, hw, &param);
    if (val)
    {
        msg_Err (demux, "cannot restrict channels count: %s",
                 snd_strerror (val));
        goto error;
    }
    val = snd_pcm_hw_params_set_channels_last (pcm, hw, &param);
    if (val)
    {
        msg_Err (demux, "cannot set channels count: %s", snd_strerror (val));
        goto error;
    }
    assert (param > 0);
    assert (param < (sizeof (channel_maps) / sizeof (channel_maps[0])));
    fmt.audio.i_channels = param;
    fmt.audio.i_physical_channels = channel_maps[param - 1];

    param = var_InheritInteger (demux, "alsa-samplerate");
    val = snd_pcm_hw_params_set_rate_max (pcm, hw, &param, NULL);
    if (val)
    {
        msg_Err (demux, "cannot restrict rate to %u Hz or less: %s", 192000,
                 snd_strerror (val));
        goto error;
    }
    val = snd_pcm_hw_params_set_rate_last (pcm, hw, &param, &dir);
    if (val)
    {
        msg_Err (demux, "cannot set sample rate: %s", snd_strerror (val));
        goto error;
    }
    if (dir)
        msg_Warn (demux, "sample rate is not integral");
    fmt.audio.i_rate = param;
    sys->rate = param;

    sys->start = mdate ();
    sys->caching = INT64_C(1000) * var_InheritInteger (demux, "live-caching");
    param = sys->caching;
    val = snd_pcm_hw_params_set_buffer_time_near (pcm, hw, &param, NULL);
    if (val)
    {
        msg_Err (demux, "cannot set buffer duration: %s", snd_strerror (val));
        goto error;
    }

    param /= 4;
    val = snd_pcm_hw_params_set_period_time_near (pcm, hw, &param, NULL);
    if (val)
    {
        msg_Err (demux, "cannot set period: %s", snd_strerror (val));
        goto error;
    }

    val = snd_pcm_hw_params_get_period_size (hw, &sys->period_size, &dir);
    if (val)
    {
        msg_Err (demux, "cannot get period size: %s", snd_strerror (val));
        goto error;
    }
    if (dir > 0)
        sys->period_size++;

    /* Commit hardware parameters */
    val = snd_pcm_hw_params (pcm, hw);
    if (val)
    {
        msg_Err (demux, "cannot commit hardware parameters: %s",
                 snd_strerror (val));
        goto error;
    }
    Dump (demux, "final HW setup:\n", snd_pcm_hw_params_dump, hw);

    /* Kick recording */
    aout_FormatPrepare (&fmt.audio);
    sys->es = es_out_Add (demux->out, &fmt);
    demux->p_sys = sys;

    if (vlc_clone (&sys->thread, Thread, demux, VLC_THREAD_PRIORITY_INPUT))
    {
        es_out_Del (demux->out, sys->es);
        goto error;
    }

    demux->pf_demux = NULL;
    demux->pf_control = Control;
    return VLC_SUCCESS;
error:
    snd_pcm_close (pcm);
    return VLC_EGENERIC;
}
Ejemplo n.º 13
0
Archivo: rdp.c Proyecto: mstorsjo/vlc
/*****************************************************************************
 * Demux:
 *****************************************************************************/
static void *DemuxThread( void *p_data )
{
    demux_t *p_demux = (demux_t *) p_data;
    demux_sys_t *p_sys = p_demux->p_sys;
    p_sys->i_starttime = vlc_tick_now();
    vlc_tick_t i_next_frame_date = vlc_tick_now() + p_sys->i_frame_interval;
    int i_ret;

    for(;;)
    {
        i_ret = 0;
        p_sys->i_cancel_state = vlc_savecancel();
        if ( freerdp_shall_disconnect( p_sys->p_instance ) )
        {
            vlc_restorecancel( p_sys->i_cancel_state );
            msg_Warn( p_demux, "RDP server closed session" );
            es_out_Del( p_demux->out, p_sys->es );
            p_sys->es = NULL;
            return NULL;
        }

        struct
        {
            void* pp_rfds[RDP_MAX_FD]; /* Declared by rdp */
            void* pp_wfds[RDP_MAX_FD];
            int i_nbr;
            int i_nbw;
            struct pollfd ufds[RDP_MAX_FD];
        } fds;

        fds.i_nbr = fds.i_nbw = 0;

        if ( freerdp_get_fds( p_sys->p_instance, fds.pp_rfds, &fds.i_nbr,
                              fds.pp_wfds, &fds.i_nbw ) != true )
        {
            vlc_restorecancel( p_sys->i_cancel_state );
            msg_Err( p_demux, "cannot get FDS" );
        }
        else
        if ( (fds.i_nbr + fds.i_nbw) > 0 && p_sys->es )
        {
            vlc_restorecancel( p_sys->i_cancel_state );
            int i_count = 0;

            for( int i = 0; i < fds.i_nbr; i++ )
            {
                fds.ufds[ i_count ].fd = (long) fds.pp_rfds[ i ];
                fds.ufds[ i_count ].events = POLLIN ;
                fds.ufds[ i_count++ ].revents = 0;
            }
            for( int i = 0; i < fds.i_nbw && i_count < RDP_MAX_FD; i++ )
            {   /* may be useless */
                fds.ufds[ i_count ].fd = (long) fds.pp_wfds[ i ];
                fds.ufds[ i_count ].events = POLLOUT;
                fds.ufds[ i_count++ ].revents = 0;
            }
            i_ret = poll( fds.ufds, i_count, p_sys->i_frame_interval * 1000/2 );
        } else {
            vlc_restorecancel( p_sys->i_cancel_state );
        }

        vlc_tick_wait( i_next_frame_date );
        i_next_frame_date += p_sys->i_frame_interval;

        if ( i_ret >= 0 )
        {
            /* Do the rendering */
            p_sys->i_cancel_state = vlc_savecancel();
            freerdp_check_fds( p_sys->p_instance );
            vlc_restorecancel( p_sys->i_cancel_state );
            block_t *p_block = block_Duplicate( p_sys->p_block );
            if (likely( p_block && p_sys->p_block ))
            {
                p_sys->p_block->i_dts = p_sys->p_block->i_pts = vlc_tick_now() - p_sys->i_starttime;
                es_out_SetPCR( p_demux->out, p_sys->p_block->i_pts );
                es_out_Send( p_demux->out, p_sys->es, p_sys->p_block );
                p_sys->p_block = p_block;
            }
        }
    }
    return NULL;
}
Ejemplo n.º 14
0
Archivo: rtp.c Proyecto: Geal/vlc
void codec_destroy (demux_t *demux, void *data)
{
    if (data)
        es_out_Del (demux->out, (es_out_id_t *)data);
}
Ejemplo n.º 15
0
/**
 * Processing callback
 */
static void Demux (void *opaque)
{
    demux_t *demux = opaque;
    demux_sys_t *sys = demux->p_sys;
    xcb_connection_t *conn = sys->conn;

    /* Determine capture region */
    xcb_get_geometry_cookie_t gc;
    xcb_query_pointer_cookie_t qc;

    gc = xcb_get_geometry (conn, sys->window);
    if (sys->follow_mouse)
        qc = xcb_query_pointer (conn, sys->window);

    xcb_get_geometry_reply_t *geo = xcb_get_geometry_reply (conn, gc, NULL);
    if (geo == NULL)
    {
        msg_Err (demux, "bad X11 drawable 0x%08"PRIx32, sys->window);
discard:
        if (sys->follow_mouse)
            xcb_discard_reply (conn, gc.sequence);
        return;
    }

    int w = sys->w;
    int h = sys->h;
    int x, y;

    if (sys->follow_mouse)
    {
        xcb_query_pointer_reply_t *ptr =
            xcb_query_pointer_reply (conn, qc, NULL);
        if (ptr == NULL)
        {
            free (geo);
            return;
        }

        if (w == 0 || w > geo->width)
            w = geo->width;
        x = ptr->win_x;
        if (x < w / 2)
            x = 0;
        else if (x >= (int)geo->width - (w / 2))
            x = geo->width - w;
        else
            x -= w / 2;

        if (h == 0 || h > geo->height)
            h = geo->height;
        y = ptr->win_y;
        if (y < h / 2)
            y = 0;
        else if (y >= (int)geo->height - (h / 2))
            y = geo->height - h;
        else
            y -= h / 2;
    }
    else
    {
        int max;

        x = sys->x;
        max = (int)geo->width - x;
        if (max <= 0)
            goto discard;
        if (w == 0 || w > max)
            w = max;

        y = sys->y;
        max = (int)geo->height - y;
        if (max <= 0)
            goto discard;
        if (h == 0 || h > max)
            h = max;
    }

    /* Update elementary stream format (if needed) */
    if (w != sys->cur_w || h != sys->cur_h)
    {
        if (sys->es != NULL)
            es_out_Del (demux->out, sys->es);

        /* Update composite pixmap */
        if (sys->window != geo->root)
        {
            xcb_free_pixmap (conn, sys->pixmap); /* no-op first time */
            xcb_composite_name_window_pixmap (conn, sys->window, sys->pixmap);
            xcb_create_pixmap (conn, geo->depth, sys->pixmap,
                               geo->root, geo->width, geo->height);
        }

        sys->es = InitES (demux, w, h, geo->depth, &sys->bpp);
        if (sys->es != NULL)
        {
            sys->cur_w = w;
            sys->cur_h = h;
            sys->bpp /= 8; /* bits -> bytes */
        }
    }

    /* Capture screen */
    xcb_drawable_t drawable =
        (sys->window != geo->root) ? sys->pixmap : sys->window;
    free (geo);

    block_t *block = NULL;
#if HAVE_SYS_SHM_H
    if (sys->shm)
    {   /* Capture screen through shared memory */
        size_t size = w * h * sys->bpp;
        int id = shmget (IPC_PRIVATE, size, IPC_CREAT | 0777);
        if (id == -1) /* XXX: fallback */
        {
            msg_Err (demux, "shared memory allocation error: %m");
            goto noshm;
        }

        /* Attach the segment to X and capture */
        xcb_shm_get_image_reply_t *img;
        xcb_shm_get_image_cookie_t ck;

        xcb_shm_attach (conn, sys->segment, id, 0 /* read/write */);
        ck = xcb_shm_get_image (conn, drawable, x, y, w, h, ~0,
                                XCB_IMAGE_FORMAT_Z_PIXMAP, sys->segment, 0);
        xcb_shm_detach (conn, sys->segment);
        img = xcb_shm_get_image_reply (conn, ck, NULL);
        xcb_flush (conn); /* ensure eventual detach */

        if (img == NULL)
        {
            shmctl (id, IPC_RMID, 0);
            goto noshm;
        }
        free (img);

        /* Attach the segment to VLC */
        void *shm = shmat (id, NULL, 0 /* read/write */);
        shmctl (id, IPC_RMID, 0);
        if (-1 == (intptr_t)shm)
        {
            msg_Err (demux, "shared memory attachment error: %m");
            return;
        }

        block = block_shm_Alloc (shm, size);
        if (unlikely(block == NULL))
            shmdt (shm);
    }
noshm:
#endif
    if (block == NULL)
    {   /* Capture screen through socket (fallback) */
        xcb_get_image_reply_t *img;

        img = xcb_get_image_reply (conn,
            xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, drawable,
                           x, y, w, h, ~0), NULL);
        if (img == NULL)
            return;

        uint8_t *data = xcb_get_image_data (img);
        size_t datalen = xcb_get_image_data_length (img);
        block = block_heap_Alloc (img, data + datalen - (uint8_t *)img);
        if (block == NULL)
            return;
        block->p_buffer = data;
        block->i_buffer = datalen;
    }

    /* Send block - zero copy */
    if (sys->es != NULL)
    {
        block->i_pts = block->i_dts = mdate ();

        es_out_Control (demux->out, ES_OUT_SET_PCR, block->i_pts);
        es_out_Send (demux->out, sys->es, block);
    }
}
Ejemplo n.º 16
0
Archivo: vnc.c Proyecto: mstorsjo/vlc
static rfbBool mallocFrameBufferHandler( rfbClient* p_client )
{
    vlc_fourcc_t i_chroma;
    demux_t *p_demux = (demux_t *) rfbClientGetClientData( p_client, DemuxThread );
    demux_sys_t *p_sys = p_demux->p_sys;

    if ( p_sys->es ) /* Source has changed resolution */
    {
        es_out_Del( p_demux->out, p_sys->es );
        p_sys->es = NULL;
    }

    int i_width = p_client->width;
    int i_height = p_client->height;
    int i_depth = p_client->format.bitsPerPixel;

    switch( i_depth )
    {
        case 8:
            i_chroma = VLC_CODEC_RGB8;
            break;
        default:
        case 16:
            i_chroma = VLC_CODEC_RGB16;
            break;
        case 24:
            i_chroma = VLC_CODEC_RGB24;
            break;
        case 32:
            i_chroma = VLC_CODEC_RGB32;
            break;
    }

    switch( i_chroma )
    {
        case VLC_CODEC_RGB16:
            p_client->format.redShift   = 11;
            p_client->format.greenShift =  5;
            p_client->format.blueShift  =  0;
            p_client->format.redMax     = 0x1f;
            p_client->format.greenMax   = 0x3f;
            p_client->format.blueMax    = 0x1f;
            break;
        case VLC_CODEC_RGB24:
        case VLC_CODEC_RGB32:
            p_client->format.redShift   = 16;
            p_client->format.greenShift =  8;
            p_client->format.blueShift  =  0;
            p_client->format.redMax     = 0xff;
            p_client->format.greenMax   = 0xff;
            p_client->format.blueMax    = 0xff;
            break;
    }

    /* Set up framebuffer */
    p_sys->i_framebuffersize = i_width * i_height * i_depth / 8;

    /* Reuse unsent block */
    if ( p_sys->p_block )
        p_sys->p_block = block_Realloc( p_sys->p_block, 0, p_sys->i_framebuffersize );
    else
        p_sys->p_block = block_Alloc( p_sys->i_framebuffersize );

    if ( p_sys->p_block )
        p_sys->p_block->i_buffer = p_sys->i_framebuffersize;
    else
        return FALSE;

    /* Push our VNC config */
    SetFormatAndEncodings( p_client );

    /* Now init and fill es format */
    es_format_t fmt;
    es_format_Init( &fmt, VIDEO_ES, i_chroma );

    /* Fill input format */
    fmt.video.i_chroma = i_chroma;
    fmt.video.i_visible_width =
            fmt.video.i_width = i_width;

    fmt.video.i_visible_height =
            fmt.video.i_height = i_height;

    fmt.video.i_frame_rate_base = 1000;
    fmt.video.i_frame_rate = 1000 * p_sys->f_fps;

    fmt.video.i_bits_per_pixel = i_depth;
    fmt.video.i_rmask = p_client->format.redMax << p_client->format.redShift;
    fmt.video.i_gmask = p_client->format.greenMax << p_client->format.greenShift;
    fmt.video.i_bmask = p_client->format.blueMax << p_client->format.blueShift;

    fmt.video.i_sar_num = fmt.video.i_sar_den = 1;

    /* declare the new es */
    p_sys->es = es_out_Add( p_demux->out, &fmt );

    return TRUE;
}
Ejemplo n.º 17
0
/**
 * Processing callback
 */
static void Demux (void *data)
{
    demux_t *demux = data;
    demux_sys_t *sys = demux->p_sys;
    xcb_connection_t *conn = sys->conn;

    /* Determine capture region */
    xcb_get_geometry_cookie_t gc;
    xcb_query_pointer_cookie_t qc;

    gc = xcb_get_geometry (conn, sys->window);
    if (sys->follow_mouse)
        qc = xcb_query_pointer (conn, sys->window);

    xcb_get_geometry_reply_t *geo = xcb_get_geometry_reply (conn, gc, NULL);
    if (geo == NULL)
    {
        msg_Err (demux, "bad X11 drawable 0x%08"PRIx32, sys->window);
discard:
        if (sys->follow_mouse)
            xcb_discard_reply (conn, gc.sequence);
        return;
    }

    int w = sys->w;
    int h = sys->h;
    int x, y;

    if (sys->follow_mouse)
    {
        xcb_query_pointer_reply_t *ptr =
            xcb_query_pointer_reply (conn, qc, NULL);
        if (ptr == NULL)
        {
            free (geo);
            return;
        }

        if (w == 0 || w > geo->width)
            w = geo->width;
        x = ptr->win_x;
        if (x < w / 2)
            x = 0;
        else if (x >= (int)geo->width - (w / 2))
            x = geo->width - w;
        else
            x -= w / 2;

        if (h == 0 || h > geo->height)
            h = geo->height;
        y = ptr->win_y;
        if (y < h / 2)
            y = 0;
        else if (y >= (int)geo->height - (h / 2))
            y = geo->height - h;
        else
            y -= h / 2;
    }
    else
    {
        int max;

        x = sys->x;
        max = (int)geo->width - x;
        if (max <= 0)
            goto discard;
        if (w == 0 || w > max)
            w = max;

        y = sys->y;
        max = (int)geo->height - y;
        if (max <= 0)
            goto discard;
        if (h == 0 || h > max)
            h = max;
    }

    /* Update elementary stream format (if needed) */
    if (w != sys->cur_w || h != sys->cur_h)
    {
        if (sys->es != NULL)
            es_out_Del (demux->out, sys->es);

        /* Update composite pixmap */
        if (sys->window != geo->root)
        {
            xcb_free_pixmap (conn, sys->pixmap); /* no-op first time */
            xcb_composite_name_window_pixmap (conn, sys->window, sys->pixmap);
            xcb_create_pixmap (conn, geo->depth, sys->pixmap,
                               geo->root, geo->width, geo->height);
        }

        sys->es = InitES (demux, w, h, geo->depth);
        if (sys->es != NULL)
        {
            sys->cur_w = w;
            sys->cur_h = h;
        }
    }

    /* Capture screen */
    xcb_drawable_t drawable =
        (sys->window != geo->root) ? sys->pixmap : sys->window;
    free (geo);

    xcb_get_image_reply_t *img;
    img = xcb_get_image_reply (conn,
        xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, drawable,
                       x, y, w, h, ~0), NULL);
    if (img == NULL)
        return;

    block_t *block = block_heap_Alloc (img, xcb_get_image_data (img),
                                       xcb_get_image_data_length (img));
    if (block == NULL)
        return;

    /* Send block - zero copy */
    if (sys->es != NULL)
    {
        if (sys->pts == VLC_TS_INVALID)
            sys->pts = mdate ();
        block->i_pts = block->i_dts = sys->pts;

        es_out_Control (demux->out, ES_OUT_SET_PCR, sys->pts);
        es_out_Send (demux->out, sys->es, block);
        sys->pts += sys->interval;
    }
}
Ejemplo n.º 18
0
Archivo: xcb.c Proyecto: FLYKingdom/vlc
/**
 * Processing callback
 */
static void Demux (void *data)
{
    demux_t *demux = data;
    demux_sys_t *p_sys = demux->p_sys;
    xcb_connection_t *conn = p_sys->conn;

    /* Update capture region (if needed) */
    xcb_get_geometry_cookie_t gc = xcb_get_geometry (conn, p_sys->window);
    int16_t x = p_sys->x, y = p_sys->y;
    xcb_translate_coordinates_cookie_t tc;

    if (p_sys->window != p_sys->root)
        tc = xcb_translate_coordinates (conn, p_sys->window, p_sys->root,
                                        x, y);

    xcb_get_geometry_reply_t *geo = xcb_get_geometry_reply (conn, gc, NULL);
    if (geo == NULL)
    {
        msg_Err (demux, "bad X11 drawable 0x%08"PRIx32, p_sys->window);
        return;
    }

    uint16_t w = geo->width - x;
    uint16_t h = geo->height - y;
    free (geo);
    if (p_sys->w > 0 && p_sys->w < w)
        w = p_sys->w;
    if (p_sys->h > 0 && p_sys->h < h)
        h = p_sys->h;

    if (p_sys->window != p_sys->root)
    {
        xcb_translate_coordinates_reply_t *coords =
             xcb_translate_coordinates_reply (conn, tc, NULL);
        if (coords == NULL)
            return;
        x = coords->dst_x;
        y = coords->dst_y;
        free (coords);
    }

    xcb_get_image_reply_t *img;
    img = xcb_get_image_reply (conn,
        xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, p_sys->root,
                       x, y, w, h, ~0), NULL);
    if (img == NULL)
        return;

    /* Send block - zero copy */
    block_t *block = block_heap_Alloc (img, xcb_get_image_data (img),
                                       xcb_get_image_data_length (img));
    if (block == NULL)
        return;

    vlc_mutex_lock (&p_sys->lock);
    if (w != p_sys->fmt.video.i_visible_width
     || h != p_sys->fmt.video.i_visible_height)
    {
        if (p_sys->es != NULL)
            es_out_Del (demux->out, p_sys->es);
        p_sys->fmt.video.i_visible_width = p_sys->fmt.video.i_width = w;
        p_sys->fmt.video.i_visible_height = p_sys->fmt.video.i_height = h;
        p_sys->es = es_out_Add (demux->out, &p_sys->fmt);
    }

    /* Capture screen */
    if (p_sys->es != NULL)
    {
        if (p_sys->pts == VLC_TS_INVALID)
            p_sys->pts = mdate ();
        block->i_pts = block->i_dts = p_sys->pts;

        es_out_Control (demux->out, ES_OUT_SET_PCR, p_sys->pts);
        es_out_Send (demux->out, p_sys->es, block);
        p_sys->pts += p_sys->interval;
    }
    vlc_mutex_unlock (&p_sys->lock);
}