diff options
| -rw-r--r-- | xine_frontend.c | 84 |
1 files changed, 81 insertions, 3 deletions
diff --git a/xine_frontend.c b/xine_frontend.c index 353f6f9d..06dd08e3 100644 --- a/xine_frontend.c +++ b/xine_frontend.c @@ -4,7 +4,7 @@ * See the main source file 'xineliboutput.c' for copyright information and * how to reach the author. * - * $Id: xine_frontend.c,v 1.102 2009-10-08 19:51:08 phintuka Exp $ + * $Id: xine_frontend.c,v 1.103 2009-10-08 19:52:20 phintuka Exp $ * */ @@ -1798,6 +1798,75 @@ static char *frame_compress_pnm(fe_t *this, int *size, vo_frame_t *frame) return (char*)pnm; } +#ifdef XINE_GUI_SEND_GRAB_FRAME +static char *fe_grab_raw_frame(fe_t *this, int *size, int jpeg, int quality, int width, int height, xine_grab_frame_t *frame) +{ + frame->width = width; + frame->height = height; + if (xine_port_send_gui_data(this->stream->video_out, XINE_GUI_SEND_GRAB_FRAME, frame)) + return NULL; + +#ifdef HAVE_LIBJPEG + if (jpeg) { + /* Compress JPEG */ + struct jpeg_destination_mgr jdm; + struct jpeg_compress_struct cinfo; + struct jpeg_error_mgr jerr; + tJpegCompressData jcd; + + jdm.init_destination = JpegCompressInitDestination; + jdm.empty_output_buffer = JpegCompressEmptyOutputBuffer; + jdm.term_destination = JpegCompressTermDestination; + cinfo.err = jpeg_std_error(&jerr); + jpeg_create_compress(&cinfo); + cinfo.dest = &jdm; + cinfo.client_data = &jcd; + cinfo.image_width = width; + cinfo.image_height = height; + cinfo.input_components = 3; + cinfo.in_color_space = JCS_RGB; + + jpeg_set_defaults(&cinfo); + jpeg_set_quality(&cinfo, quality, TRUE); + jpeg_start_compress(&cinfo, TRUE); + + JSAMPROW rp[height]; + int rs = width * 3; + int k; + for (k = 0; k < height; k++) + rp[k] = frame->img + k * rs; + jpeg_write_scanlines(&cinfo, rp, height); + + jpeg_finish_compress(&cinfo); + jpeg_destroy_compress(&cinfo); + + *size = jcd.size; + return (char*) jcd.mem; + } +#endif + + /* convert to PNM */ + + /* allocate memory for result */ + size_t bytes = width * height * 3; + uint8_t *pnm = malloc(bytes + 64); + if (!pnm) { + LOGMSG("fe_grab: malloc failed"); + return NULL; + } + + /* PNM header */ + sprintf((char*)pnm, "P6\n%d\n%d\n255\n", width, height); + int hdrlen = strlen((char*)pnm); + + /* copy image */ + xine_fast_memcpy(pnm + hdrlen, frame->img, bytes); + + *size = bytes + hdrlen; + return (char*)pnm; +} +#endif + static char *fe_grab(frontend_t *this_gen, int *size, int jpeg, int quality, int width, int height) { @@ -1820,11 +1889,20 @@ static char *fe_grab(frontend_t *this_gen, int *size, int jpeg, /* validate parameters */ if ((quality < 0) || (quality > 100)) quality = 100; - width = (MIN(16, MAX(width, 1920)) + 1) & ~1; /* 16...1920, even */ - height = (MIN(16, MAX(width, 1200)) + 1) & ~1; /* 16...1200, even */ + width = (MAX(16, MIN(width, 1920)) + 1) & ~1; /* 16...1920, even */ + height = (MAX(16, MIN(width, 1200)) + 1) & ~1; /* 16...1200, even */ /* get last frame */ this->stream->xine->port_ticket->acquire(this->stream->xine->port_ticket, 0); +#ifdef XINE_GUI_SEND_GRAB_FRAME + xine_grab_frame_t *grab_frame; + if (!xine_port_send_gui_data(this->stream->video_out, XINE_GUI_SEND_ALLOC_GRAB_FRAME, &grab_frame)) { + char *img = fe_grab_raw_frame(this, size, jpeg, quality, width, height, grab_frame); + xine_port_send_gui_data(this->stream->video_out, XINE_GUI_SEND_FREE_GRAB_FRAME, grab_frame); + this->stream->xine->port_ticket->release(this->stream->xine->port_ticket, 0); + return img; + } +#endif frame = this->stream->video_out->get_last_frame (this->stream->video_out); if(frame) frame->lock(frame); |