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Diffstat (limited to 'xine_frontend.c')
-rw-r--r--xine_frontend.c131
1 files changed, 70 insertions, 61 deletions
diff --git a/xine_frontend.c b/xine_frontend.c
index 881f063d..b7112f9e 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 1.75 2008-11-11 16:46:49 phintuka Exp $
+ * $Id: xine_frontend.c,v 1.76 2008-11-11 17:14:43 phintuka Exp $
*
*/
@@ -1451,68 +1451,16 @@ static vo_frame_t *yuy2_to_yv12_frame(xine_stream_t *stream, vo_frame_t *frame)
return frame;
}
-#endif /* HAVE_LIBJPEG */
-
-static char *fe_grab(frontend_t *this_gen, int *size, int jpeg,
- int quality, int width, int height)
+static char *frame_compress_jpeg(fe_t *this, int *size, int quality, vo_frame_t *frame)
{
-#ifdef HAVE_LIBJPEG
struct jpeg_destination_mgr jdm;
struct jpeg_compress_struct cinfo;
struct jpeg_error_mgr jerr;
tJpegCompressData jcd;
-#endif
-
- fe_t *this = (fe_t*)this_gen;
- vo_frame_t *frame;
-
-#ifndef HAVE_LIBJPEG
- if(jpeg) {
- LOGMSG("fe_grab: JPEG grab support was not compiled in");
- return 0;
- }
-#endif /* HAVE_LIBJPEG */
-
-#ifndef PPM_SUPPORTED
- if(!jpeg) {
- LOGMSG("fe_grab: PPM grab not implemented");
- return 0;
- }
-#else
- /* #warning TODO: convert to RGB PPM */
-#endif
-
- if(!find_input_plugin(this))
- return 0;
-
- LOGDBG("fe_grab: grabbing %s %d %dx%d",
- jpeg ? "JPEG" : "PNM", quality, width, height);
-
- if (quality < 0)
- quality = 0;
- else if(quality > 100)
- quality = 100;
-
- this->stream->xine->port_ticket->acquire(this->stream->xine->port_ticket, 0);
- frame = this->stream->video_out->get_last_frame (this->stream->video_out);
- if(frame)
- frame->lock(frame);
- this->stream->xine->port_ticket->release(this->stream->xine->port_ticket, 0);
-
- if(!frame)
- return NULL;
-
-#ifdef HAVE_LIBJPEG
/* convert yuy2 frames to yv12 */
frame = yuy2_to_yv12_frame(this->stream, frame);
- /* #warning TODO: no scaling implemented */
- if(width != frame->width)
- width = frame->width;
- if(height != frame->height)
- height = frame->height;
-
/* Compress JPEG */
jdm.init_destination = JpegCompressInitDestination;
@@ -1524,8 +1472,8 @@ static char *fe_grab(frontend_t *this_gen, int *size, int jpeg,
cinfo.dest = &jdm;
cinfo.client_data = &jcd;
- cinfo.image_width = width;
- cinfo.image_height = height;
+ cinfo.image_width = frame->width;
+ cinfo.image_height = frame->height;
cinfo.input_components = 3;
cinfo.in_color_space = JCS_YCbCr;
@@ -1533,9 +1481,9 @@ static char *fe_grab(frontend_t *this_gen, int *size, int jpeg,
switch (frame->format) {
case XINE_IMGFMT_YV12: {
JSAMPARRAY pp[3];
- JSAMPROW *rpY = (JSAMPROW*)malloc(sizeof(JSAMPROW) * height);
- JSAMPROW *rpU = (JSAMPROW*)malloc(sizeof(JSAMPROW) * height);
- JSAMPROW *rpV = (JSAMPROW*)malloc(sizeof(JSAMPROW) * height);
+ JSAMPROW *rpY = (JSAMPROW*)malloc(sizeof(JSAMPROW) * frame->height);
+ JSAMPROW *rpU = (JSAMPROW*)malloc(sizeof(JSAMPROW) * frame->height);
+ JSAMPROW *rpV = (JSAMPROW*)malloc(sizeof(JSAMPROW) * frame->height);
int k;
jpeg_set_defaults(&cinfo);
@@ -1551,13 +1499,13 @@ static char *fe_grab(frontend_t *this_gen, int *size, int jpeg,
cinfo.comp_info[2].v_samp_factor = 1;
jpeg_start_compress(&cinfo, TRUE);
- for (k = 0; k < height; k+=2) {
+ for (k = 0; k < frame->height; k+=2) {
rpY[k] = frame->base[0] + k*frame->pitches[0];
rpY[k+1] = frame->base[0] + (k+1)*frame->pitches[0];
rpU[k/2] = frame->base[1] + (k/2)*frame->pitches[1];
rpV[k/2] = frame->base[2] + (k/2)*frame->pitches[2];
}
- for (k = 0; k < height; k+=2*DCTSIZE) {
+ for (k = 0; k < frame->height; k+=2*DCTSIZE) {
pp[0] = &rpY[k];
pp[1] = &rpU[k/2];
pp[2] = &rpV[k/2];
@@ -1598,6 +1546,67 @@ static char *fe_grab(frontend_t *this_gen, int *size, int jpeg,
*size = jcd.size;
return (char*) jcd.mem;
+}
+
+#endif /* HAVE_LIBJPEG */
+
+static char *fe_grab(frontend_t *this_gen, int *size, int jpeg,
+ int quality, int width, int height)
+{
+ fe_t *this = (fe_t*)this_gen;
+ vo_frame_t *frame;
+
+#ifndef HAVE_LIBJPEG
+ if(jpeg) {
+ LOGMSG("fe_grab: JPEG grab support was not compiled in");
+ return 0;
+ }
+#endif /* HAVE_LIBJPEG */
+
+#ifndef PPM_SUPPORTED
+ if(!jpeg) {
+ LOGMSG("fe_grab: PPM grab not implemented");
+ return 0;
+ }
+#else
+ /* #warning TODO: convert to RGB PPM */
+#endif
+
+ if(!find_input_plugin(this))
+ return 0;
+
+ LOGDBG("fe_grab: grabbing %s %d %dx%d",
+ jpeg ? "JPEG" : "PNM", quality, width, height);
+
+ /* validate parameters */
+ if (quality < 0)
+ quality = 0;
+ else if(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 */
+
+ /* get last frame */
+ this->stream->xine->port_ticket->acquire(this->stream->xine->port_ticket, 0);
+ frame = this->stream->video_out->get_last_frame (this->stream->video_out);
+ if(frame)
+ frame->lock(frame);
+ this->stream->xine->port_ticket->release(this->stream->xine->port_ticket, 0);
+
+ if(!frame) {
+ LOGMSG("fe_grab: get_last_frame() failed");
+ return NULL;
+ }
+
+ /* Scale image */
+ /* #warning TODO: no scaling implemented */
+ if(width != frame->width)
+ width = frame->width;
+ if(height != frame->height)
+ height = frame->height;
+
+#ifdef HAVE_LIBJPEG
+ return frame_compress_jpeg(this, size, quality, frame);
#else /* HAVE_LIBJPEG */
return NULL;
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 12:28:53 +0000