mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-01-26 17:18:15 +00:00
Code Issues 1 Projects Releases Wiki Activity

paranoia cleanups and a sync fix

Browse source 
Original commit message from CVS:
paranoia cleanups and a sync fix
This commit is contained in:
Thomas Vander Stichele 2004-06-15 09:11:06 +00:00
parent 0eb2ab91f0
commit 5e9b6aab3b
25 changed files with 267 additions and 135 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

54
ChangeLog
View file

@ -1,3 +1,53 @@
2004-06-15 Thomas Vander Stichele <thomas at apestaart dot org>
* sys/v4l/gstv4l.c: (plugin_init):
* sys/v4l/gstv4lcolorbalance.c:
* sys/v4l/gstv4lcolorbalance.h:
* sys/v4l/gstv4lelement.c:
* sys/v4l/gstv4lelement.h:
* sys/v4l/gstv4lmjpegsink.c: (gst_v4lmjpegsink_class_init):
* sys/v4l/gstv4lmjpegsink.h:
* sys/v4l/gstv4lmjpegsrc.c: (gst_v4lmjpegsrc_class_init):
* sys/v4l/gstv4lmjpegsrc.h:
* sys/v4l/gstv4lsrc.c: (gst_v4lsrc_get_fps_list),
(gst_v4lsrc_get_fps), (gst_v4lsrc_srcconnect),
(gst_v4lsrc_getcaps), (gst_v4lsrc_get):
* sys/v4l/gstv4lsrc.h:
* sys/v4l/gstv4ltuner.c:
* sys/v4l/gstv4ltuner.h:
* sys/v4l/gstv4lxoverlay.c:
* sys/v4l/gstv4lxoverlay.h:
* sys/v4l/v4l-overlay_calls.c: (gst_v4l_set_overlay),
(gst_v4l_set_window), (gst_v4l_enable_overlay):
* sys/v4l/v4l_calls.c: (gst_v4l_set_window_properties),
(gst_v4l_open), (gst_v4l_get_picture), (gst_v4l_get_audio),
(gst_v4l_set_audio):
* sys/v4l/v4l_calls.h:
* sys/v4l/v4lmjpegsink_calls.c: (gst_v4lmjpegsink_sync_thread),
(gst_v4lmjpegsink_queue_frame), (gst_v4lmjpegsink_sync_frame),
(gst_v4lmjpegsink_set_buffer), (gst_v4lmjpegsink_set_playback),
(gst_v4lmjpegsink_playback_init),
(gst_v4lmjpegsink_playback_start), (gst_v4lmjpegsink_get_buffer),
(gst_v4lmjpegsink_play_frame), (gst_v4lmjpegsink_wait_frame),
(gst_v4lmjpegsink_playback_stop),
(gst_v4lmjpegsink_playback_deinit):
* sys/v4l/v4lmjpegsink_calls.h:
* sys/v4l/v4lmjpegsrc_calls.c: (gst_v4lmjpegsrc_queue_frame),
(gst_v4lmjpegsrc_sync_next_frame), (gst_v4lmjpegsrc_set_buffer),
(gst_v4lmjpegsrc_set_capture), (gst_v4lmjpegsrc_set_capture_m),
(gst_v4lmjpegsrc_capture_init), (gst_v4lmjpegsrc_capture_start),
(gst_v4lmjpegsrc_grab_frame), (gst_v4lmjpegsrc_requeue_frame),
(gst_v4lmjpegsrc_capture_stop), (gst_v4lmjpegsrc_capture_deinit):
* sys/v4l/v4lmjpegsrc_calls.h:
* sys/v4l/v4lsrc_calls.c: (gst_v4lsrc_queue_frame),
(gst_v4lsrc_sync_frame), (gst_v4lsrc_set_capture),
(gst_v4lsrc_capture_init), (gst_v4lsrc_capture_start),
(gst_v4lsrc_grab_frame), (gst_v4lsrc_requeue_frame),
(gst_v4lsrc_capture_stop), (gst_v4lsrc_capture_deinit),
(gst_v4lsrc_try_palette):
* sys/v4l/v4lsrc_calls.h:
bunch of paranoia cleanups
2004-06-14 David Schleef <ds@schleef.org> 2004-06-14 David Schleef <ds@schleef.org>
* ext/cdparanoia/gstcdparanoia.c: (cdparanoia_init), * ext/cdparanoia/gstcdparanoia.c: (cdparanoia_init),
@ -10,7 +60,7 @@
* ext/alsa/gstalsa.c: Use snd_pcm_hw_params_set_rate _near instead of * ext/alsa/gstalsa.c: Use snd_pcm_hw_params_set_rate _near instead of
snd_pcm_hw_params_set_rate since the latter fails for no good snd_pcm_hw_params_set_rate since the latter fails for no good
reason on some setups.< reason on some setups.
2004-06-14 David Schleef <ds@schleef.org> 2004-06-14 David Schleef <ds@schleef.org>
@ -21,7 +71,7 @@
* gst/ffmpegcolorspace/imgconvert.c: (img_convert): * gst/ffmpegcolorspace/imgconvert.c: (img_convert):
Patch 1.3 broke the ordering of the colorspace info and Patch 1.3 broke the ordering of the colorspace info and
made the plugin basically work by coincidence, reodered made the plugin basically work by coincidence, reordered
the info. the info.
2004-06-14 Thomas Vander Stichele <thomas at apestaart dot org> 2004-06-14 Thomas Vander Stichele <thomas at apestaart dot org>

8
sys/v4l/gstv4l.c
View file

@ -1,4 +1,7 @@
/* G-Streamer video4linux plugins /* GStreamer
*
* gstv4l.c: plugin for v4l elements
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -31,11 +34,14 @@
#include "gstv4lmjpegsink.h" #include "gstv4lmjpegsink.h"
GST_DEBUG_CATEGORY (v4l_debug); /* used in v4l_calls.c and v4lsrc_calls.c */ GST_DEBUG_CATEGORY (v4l_debug); /* used in v4l_calls.c and v4lsrc_calls.c */
GST_DEBUG_CATEGORY_EXTERN (v4loverlay_debug);
static gboolean static gboolean
plugin_init (GstPlugin * plugin) plugin_init (GstPlugin * plugin)
{ {
GST_DEBUG_CATEGORY_INIT (v4l_debug, "v4l", 0, "V4L API calls"); GST_DEBUG_CATEGORY_INIT (v4l_debug, "v4l", 0, "V4L API calls");
GST_DEBUG_CATEGORY_INIT (v4loverlay_debug, "v4loverlay", 0,
"V4L overlay calls");
/* actually, we can survive without it, but I'll create /* actually, we can survive without it, but I'll create
* that handling later on. */ * that handling later on. */

5
sys/v4l/gstv4lcolorbalance.c
View file

@ -1,8 +1,9 @@
/* GStreamer Color Balance interface implementation /* GStreamer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* gstv4lcolorbalance.c: color balance interface implementation for V4L * gstv4lcolorbalance.c: color balance interface implementation for V4L
* *
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either * License as published by the Free Software Foundation; either

5
sys/v4l/gstv4lcolorbalance.h
View file

@ -1,8 +1,9 @@
/* G-Streamer generic V4L element - Color Balance interface implementation /* GStreamer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* gstv4lcolorbalance.h: color balance interface implementation for V4L * gstv4lcolorbalance.h: color balance interface implementation for V4L
* *
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either * License as published by the Free Software Foundation; either

5
sys/v4l/gstv4lelement.c
View file

@ -1,4 +1,7 @@
/* G-Streamer generic V4L element - generic V4L calls handling /* GStreamer
*
* gstv4lelement.c: base class for V4L elements
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or

5
sys/v4l/gstv4lelement.h
View file

@ -1,4 +1,7 @@
/* G-Streamer generic V4L element - generic V4L calls handling /* GStreamer
*
* gstv4lelement.h: base class for V4L elements
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or

24
sys/v4l/gstv4lmjpegsink.c
View file

@ -1,4 +1,7 @@
/* G-Streamer hardware MJPEG video sink plugin /* GStreamer
*
* gstv4lmjpegsink.c: hardware MJPEG video sink plugin
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -24,6 +27,9 @@
#include <string.h> #include <string.h>
#include "v4lmjpegsink_calls.h" #include "v4lmjpegsink_calls.h"
GST_DEBUG_CATEGORY (v4lmjpegsink_debug);
#define GST_CAT_DEFAULT v4lmjpegsink_debug
/* elementfactory information */ /* elementfactory information */
static GstElementDetails gst_v4lmjpegsink_details = { static GstElementDetails gst_v4lmjpegsink_details = {
"Video (video4linux/MJPEG) sink", "Video (video4linux/MJPEG) sink",
@ -129,26 +135,28 @@ gst_v4lmjpegsink_class_init (GstV4lMjpegSinkClass * klass)
parent_class = g_type_class_ref (GST_TYPE_V4LELEMENT); parent_class = g_type_class_ref (GST_TYPE_V4LELEMENT);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NUMBUFS, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_NUMBUFS,
g_param_spec_int ("num_buffers", "num_buffers", "num_buffers", g_param_spec_int ("num-buffers", "num-buffers", "num-buffers",
G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BUFSIZE, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BUFSIZE,
g_param_spec_int ("buffer_size", "buffer_size", "buffer_size", g_param_spec_int ("buffer-size", "buffer-size", "buffer-size",
G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); G_MININT, G_MAXINT, 0, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_X_OFFSET, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_X_OFFSET,
g_param_spec_int ("x_offset", "x_offset", "x_offset", g_param_spec_int ("x-offset", "x-offset", "x-offset",
G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE)); G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_Y_OFFSET, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_Y_OFFSET,
g_param_spec_int ("y_offset", "y_offset", "y_offset", g_param_spec_int ("y-offset", "y-offset", "y-offset",
G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE)); G_MININT, G_MAXINT, 0, G_PARAM_WRITABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAMES_DISPLAYED, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAMES_DISPLAYED,
g_param_spec_int ("frames_displayed", "frames_displayed", g_param_spec_int ("frames-displayed", "frames-displayed",
"frames_displayed", G_MININT, G_MAXINT, 0, G_PARAM_READABLE)); "frames-displayed", G_MININT, G_MAXINT, 0, G_PARAM_READABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAME_TIME, g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FRAME_TIME,
g_param_spec_int ("frame_time", "frame_time", "frame_time", G_MININT, g_param_spec_int ("frame-time", "frame-time", "frame-time", G_MININT,
G_MAXINT, 0, G_PARAM_READABLE)); G_MAXINT, 0, G_PARAM_READABLE));
GST_DEBUG_CATEGORY_INIT (v4lmjpegsink_debug, "v4lmjpegsink", 0,
"V4L MJPEG sink element");
gobject_class->set_property = gst_v4lmjpegsink_set_property; gobject_class->set_property = gst_v4lmjpegsink_set_property;
gobject_class->get_property = gst_v4lmjpegsink_get_property; gobject_class->get_property = gst_v4lmjpegsink_get_property;

5
sys/v4l/gstv4lmjpegsink.h
View file

@ -1,4 +1,7 @@
/* G-Streamer hardware MJPEG video sink plugin /* GStreamer
*
* gstv4lmjpegsink.h: hardware MJPEG video sink element
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or

10
sys/v4l/gstv4lmjpegsrc.c
View file

@ -1,4 +1,7 @@
/* G-Streamer hardware MJPEG video source plugin /* GStreamer
*
* gstv4lmjpegsrc.c: hardware MJPEG video source plugin
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -24,6 +27,9 @@
#include <string.h> #include <string.h>
#include "v4lmjpegsrc_calls.h" #include "v4lmjpegsrc_calls.h"
GST_DEBUG_CATEGORY (v4lmjpegsrc_debug);
#define GST_CAT_DEFAULT v4lmjpegsrc_debug
/* elementfactory information */ /* elementfactory information */
static GstElementDetails gst_v4lmjpegsrc_details = { static GstElementDetails gst_v4lmjpegsrc_details = {
"Video (video4linux/MJPEG) Source", "Video (video4linux/MJPEG) Source",
@ -208,6 +214,8 @@ gst_v4lmjpegsrc_class_init (GstV4lMjpegSrcClass * klass)
G_STRUCT_OFFSET (GstV4lMjpegSrcClass, frame_lost), NULL, NULL, G_STRUCT_OFFSET (GstV4lMjpegSrcClass, frame_lost), NULL, NULL,
g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
GST_DEBUG_CATEGORY_INIT (v4lmjpegsrc_debug, "v4lmjpegsrc", 0,
"V4L MJPEG source element");
gobject_class->set_property = gst_v4lmjpegsrc_set_property; gobject_class->set_property = gst_v4lmjpegsrc_set_property;
gobject_class->get_property = gst_v4lmjpegsrc_get_property; gobject_class->get_property = gst_v4lmjpegsrc_get_property;

5
sys/v4l/gstv4lmjpegsrc.h
View file

@ -1,4 +1,7 @@
/* G-Streamer hardware MJPEG video source plugin /* GStreamer
*
* gstv4lmjpegsrc.h: hardware MJPEG video source element
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or

21
sys/v4l/gstv4lsrc.c
View file

@ -1,4 +1,7 @@
/* G-Streamer BT8x8/V4L frame grabber plugin /* GStreamer
*
* gstv4lsrc.c: BT8x8/V4L source element
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -316,7 +319,7 @@ gst_v4lsrc_get_fps_list (GstV4lSrc * v4lsrc)
/* index of 16 corresponds to 15 fps */ /* index of 16 corresponds to 15 fps */
current_fps = fps_index * 15.0 / 16; current_fps = fps_index * 15.0 / 16;
GST_DEBUG_OBJECT (v4lsrc, "device reports fps of %.4f", current_fps); GST_DEBUG_OBJECT (v4lsrc, "device reports fps of %.4f", current_fps);
for (i = 1; i < 63; ++i) { for (i = 0; i < 63; ++i) {
/* set bits 16 to 21 to 0 */ /* set bits 16 to 21 to 0 */
vwin->flags &= (0x3F00 - 1); vwin->flags &= (0x3F00 - 1);
/* set bits 16 to 21 to the index */ /* set bits 16 to 21 to the index */
@ -359,7 +362,7 @@ gst_v4lsrc_get_fps (GstV4lSrc * v4lsrc)
/* index of 16 corresponds to 15 fps */ /* index of 16 corresponds to 15 fps */
current_fps = fps_index * 15.0 / 16; current_fps = fps_index * 15.0 / 16;
GST_LOG_OBJECT (v4lsrc, "device reports fps of %.3f", current_fps); GST_LOG_OBJECT (v4lsrc, "device reports fps of %.4f", current_fps);
return current_fps; return current_fps;
} }
@ -774,8 +777,9 @@ gst_v4lsrc_get (GstPad * pad)
g_return_val_if_fail (pad != NULL, NULL); g_return_val_if_fail (pad != NULL, NULL);
v4lsrc = GST_V4LSRC (gst_pad_get_parent (pad)); v4lsrc = GST_V4LSRC (gst_pad_get_parent (pad));
fps = gst_v4lsrc_get_fps (v4lsrc);
if (v4lsrc->use_fixed_fps && (fps = gst_v4lsrc_get_fps (v4lsrc)) == 0) if (v4lsrc->use_fixed_fps && fps == 0.0)
return NULL; return NULL;
if (v4lsrc->need_writes > 0) { if (v4lsrc->need_writes > 0) {
@ -868,8 +872,10 @@ gst_v4lsrc_get (GstPad * pad)
g_signal_emit (G_OBJECT (v4lsrc), g_signal_emit (G_OBJECT (v4lsrc),
gst_v4lsrc_signals[SIGNAL_FRAME_CAPTURE], 0); gst_v4lsrc_signals[SIGNAL_FRAME_CAPTURE], 0);
/* this is the current timestamp */
now = gst_element_get_time (GST_ELEMENT (v4lsrc)); now = gst_element_get_time (GST_ELEMENT (v4lsrc));
until = GST_BUFFER_TIMESTAMP (buf) + v4lsrc->last_discont;
until = GST_BUFFER_TIMESTAMP (buf);
GST_LOG_OBJECT (v4lsrc, "Current time %" GST_TIME_FORMAT GST_LOG_OBJECT (v4lsrc, "Current time %" GST_TIME_FORMAT
", buffer timestamp %" GST_TIME_FORMAT, ", buffer timestamp %" GST_TIME_FORMAT,
@ -878,7 +884,10 @@ gst_v4lsrc_get (GstPad * pad)
GST_LOG_OBJECT (v4lsrc, "waiting until %" GST_TIME_FORMAT, GST_LOG_OBJECT (v4lsrc, "waiting until %" GST_TIME_FORMAT,
GST_TIME_ARGS (until)); GST_TIME_ARGS (until));
if (!gst_element_wait (GST_ELEMENT (v4lsrc), until)) if (!gst_element_wait (GST_ELEMENT (v4lsrc), until))
g_warning ("gst_element_wait failed"); g_warning ("waiting from now %" GST_TIME_FORMAT
" until %" GST_TIME_FORMAT " failed",
GST_TIME_ARGS (now), GST_TIME_ARGS (until));
GST_LOG_OBJECT (v4lsrc, "wait done.");
} }
/* check for discont; we do it after grabbing so that we drop the /* check for discont; we do it after grabbing so that we drop the
* first frame grabbed, but get an accurate discont event */ * first frame grabbed, but get an accurate discont event */

11
sys/v4l/gstv4lsrc.h
View file

@ -1,4 +1,7 @@
/* G-Streamer BT8x8/V4L frame grabber plugin /* GStreamer
*
* gstv4lsrc.h: BT8x8/V4L video source element
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -39,9 +42,9 @@ typedef struct _GstV4lSrcClass GstV4lSrcClass;
enum enum
{ {
QUEUE_STATE_ERROR = -1, QUEUE_STATE_ERROR = -1,
QUEUE_STATE_READY_FOR_QUEUE, QUEUE_STATE_READY_FOR_QUEUE, /* the frame is ready to be queued for capture */
QUEUE_STATE_QUEUED, QUEUE_STATE_QUEUED, /* the frame is queued for capture */
QUEUE_STATE_SYNCED QUEUE_STATE_SYNCED /* the frame is captured */
}; };
struct _GstV4lSrc struct _GstV4lSrc

5
sys/v4l/gstv4ltuner.c
View file

@ -1,8 +1,9 @@
/* GStreamer Tuner interface implementation /* GStreamer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* gstv4ltuner.c: tuner interface implementation for V4L * gstv4ltuner.c: tuner interface implementation for V4L
* *
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either * License as published by the Free Software Foundation; either

5
sys/v4l/gstv4ltuner.h
View file

@ -1,8 +1,9 @@
/* G-Streamer generic V4L element - Tuner interface implementation /* GStreamer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* gstv4ltuner.h: tuner interface implementation for V4L * gstv4ltuner.h: tuner interface implementation for V4L
* *
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either * License as published by the Free Software Foundation; either

5
sys/v4l/gstv4lxoverlay.c
View file

@ -1,8 +1,9 @@
/* GStreamer X-based overlay interface implementation /* GStreamer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* gstv4lxoverlay.c: X-based overlay interface implementation for V4L * gstv4lxoverlay.c: X-based overlay interface implementation for V4L
* *
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either * License as published by the Free Software Foundation; either

5
sys/v4l/gstv4lxoverlay.h
View file

@ -1,8 +1,9 @@
/* G-Streamer generic V4L element - X overlay interface implementation /* GStreamer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* gstv4lxoverlay.h: tv mixer interface implementation for V4L * gstv4lxoverlay.h: tv mixer interface implementation for V4L
* *
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either * License as published by the Free Software Foundation; either

23
sys/v4l/v4l-overlay_calls.c
View file

@ -1,4 +1,7 @@
/* G-Streamer generic V4L element - generic V4L overlay handling /* GStreamer
*
* v4l-overlay_calls.c: calls for generic V4L overlay handling
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -31,11 +34,8 @@
#include <errno.h> #include <errno.h>
#include "v4l_calls.h" #include "v4l_calls.h"
#define DEBUG(format, args...) \ GST_DEBUG_CATEGORY (v4loverlay_debug);
GST_DEBUG_OBJECT (\ #define GST_CAT_DEFAULT v4loverlay_debug
GST_ELEMENT(v4lelement), \
"V4L-overlay: " format, ##args)
/****************************************************** /******************************************************
* gst_v4l_set_overlay(): * gst_v4l_set_overlay():
@ -53,7 +53,7 @@ gst_v4l_set_overlay (GstV4lElement * v4lelement)
g_free (v4lelement->display); g_free (v4lelement->display);
v4lelement->display = g_strdup (g_getenv ("DISPLAY")); v4lelement->display = g_strdup (g_getenv ("DISPLAY"));
DEBUG ("setting display to '%s'", v4lelement->display); GST_DEBUG_OBJECT (v4lelement, "setting display to '%s'", v4lelement->display);
GST_V4L_CHECK_NOT_OPEN (v4lelement); GST_V4L_CHECK_NOT_OPEN (v4lelement);
if (!v4lelement->display || v4lelement->display[0] != ':') if (!v4lelement->display || v4lelement->display[0] != ':')
@ -105,8 +105,8 @@ gst_v4l_set_window (GstElement * element,
GstV4lElement *v4lelement = GST_V4LELEMENT (element); GstV4lElement *v4lelement = GST_V4LELEMENT (element);
struct video_window vwin; struct video_window vwin;
DEBUG ("setting video window to position (x,y/wxh) = %d,%d/%dx%d", GST_DEBUG_OBJECT (v4lelement,
x, y, w, h); "setting video window to position (x,y/wxh) = %d,%d/%dx%d", x, y, w, h);
GST_V4L_CHECK_OPEN (v4lelement); GST_V4L_CHECK_OPEN (v4lelement);
GST_V4L_CHECK_OVERLAY (v4lelement); GST_V4L_CHECK_OVERLAY (v4lelement);
@ -117,7 +117,7 @@ gst_v4l_set_window (GstElement * element,
vwin.flags = 0; vwin.flags = 0;
if (clips && !(v4lelement->vcap.type & VID_TYPE_CLIPPING)) { if (clips && !(v4lelement->vcap.type & VID_TYPE_CLIPPING)) {
DEBUG ("Device \'%s\' doesn't do clipping", GST_DEBUG_OBJECT (v4lelement, "Device \'%s\' doesn't do clipping",
v4lelement->videodev ? v4lelement->videodev : "/dev/video"); v4lelement->videodev ? v4lelement->videodev : "/dev/video");
vwin.clips = 0; vwin.clips = 0;
} else { } else {
@ -146,7 +146,8 @@ gst_v4l_enable_overlay (GstV4lElement * v4lelement, gboolean enable)
{ {
gint doit = enable ? 1 : 0; gint doit = enable ? 1 : 0;
DEBUG ("%s overlay", enable ? "enabling" : "disabling"); GST_DEBUG_OBJECT (v4lelement, "%s overlay",
enable ? "enabling" : "disabling");
GST_V4L_CHECK_OPEN (v4lelement); GST_V4L_CHECK_OPEN (v4lelement);
GST_V4L_CHECK_OVERLAY (v4lelement); GST_V4L_CHECK_OVERLAY (v4lelement);

15
sys/v4l/v4l_calls.c
View file

@ -1,4 +1,7 @@
/* G-Streamer generic V4L element - generic V4L calls handling /* GStreamer
*
* v4l_calls.c: generic V4L calls
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -43,7 +46,6 @@
#include "gstv4lmjpegsink.h" #include "gstv4lmjpegsink.h"
GST_DEBUG_CATEGORY_EXTERN (v4l_debug); GST_DEBUG_CATEGORY_EXTERN (v4l_debug);
#define GST_CAT_DEFAULT v4l_debug #define GST_CAT_DEFAULT v4l_debug
static const char *picture_name[] = { static const char *picture_name[] = {
@ -160,6 +162,11 @@ gst_v4l_open (GstV4lElement * v4lelement)
/* open the device */ /* open the device */
v4lelement->video_fd = open (v4lelement->videodev, O_RDWR); v4lelement->video_fd = open (v4lelement->videodev, O_RDWR);
if (!GST_V4L_IS_OPEN (v4lelement)) { if (!GST_V4L_IS_OPEN (v4lelement)) {
if (errno == ENODEV || errno == ENOENT) {
GST_ELEMENT_ERROR (v4lelement, RESOURCE, NOT_FOUND,
(_("Device \"%s\" does not exist."), v4lelement->videodev), (NULL));
return FALSE;
}
GST_ELEMENT_ERROR (v4lelement, RESOURCE, OPEN_READ_WRITE, GST_ELEMENT_ERROR (v4lelement, RESOURCE, OPEN_READ_WRITE,
(_("Could not open device \"%s\" for reading and writing."), (_("Could not open device \"%s\" for reading and writing."),
v4lelement->videodev), GST_ERROR_SYSTEM); v4lelement->videodev), GST_ERROR_SYSTEM);
@ -187,7 +194,7 @@ gst_v4l_open (GstV4lElement * v4lelement)
return FALSE; return FALSE;
} }
GST_INFO ("Opened device \'%s\' (\'%s\') successfully\n", GST_INFO_OBJECT (v4lelement, "Opened device \'%s\' (\'%s\') successfully\n",
v4lelement->vcap.name, v4lelement->videodev); v4lelement->vcap.name, v4lelement->videodev);
/* norms + inputs, for the tuner interface */ /* norms + inputs, for the tuner interface */
@ -256,7 +263,7 @@ gst_v4l_close (GstV4lElement * v4lelement)
/****************************************************** /******************************************************
* gst_v4l_get_num_chans() * gst_v4l_get_num_chans()
* return value: the numver of video input channels * return value: the number of video input channels
******************************************************/ ******************************************************/
gint gint

5
sys/v4l/v4l_calls.h
View file

@ -1,4 +1,7 @@
/* G-Streamer generic V4L element - generic V4L calls handling /* GStreamer
*
* v4l_calls.h: header for generic V4L calls
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or

47
sys/v4l/v4lmjpegsink_calls.c
View file

@ -1,4 +1,7 @@
/* G-Streamer hardware MJPEG video sink plugin /* GStreamer
*
* v4lmjpegsink_calls.c: functions for hardware MJPEG video sink
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -36,11 +39,8 @@
#define MAP_FAILED ( (caddr_t) -1 ) #define MAP_FAILED ( (caddr_t) -1 )
#endif #endif
#define DEBUG(format, args...) \ GST_DEBUG_CATEGORY_EXTERN (v4lmjpegsink_debug);
GST_DEBUG_OBJECT (\ #define GST_CAT_DEFAULT v4lmjpegsink_debug
GST_ELEMENT(v4lmjpegsink), \
"V4LMJPEGSINK: " format, ##args)
/****************************************************** /******************************************************
* gst_v4lmjpegsink_sync_thread() * gst_v4lmjpegsink_sync_thread()
@ -53,7 +53,7 @@ gst_v4lmjpegsink_sync_thread (void *arg)
GstV4lMjpegSink *v4lmjpegsink = GST_V4LMJPEGSINK (arg); GstV4lMjpegSink *v4lmjpegsink = GST_V4LMJPEGSINK (arg);
gint frame = 0; /* frame that we're currently syncing on */ gint frame = 0; /* frame that we're currently syncing on */
DEBUG ("starting sync thread"); GST_DEBUG_OBJECT (v4lmjpegsink, "starting sync thread");
#if 0 #if 0
/* Allow easy shutting down by other processes... */ /* Allow easy shutting down by other processes... */
@ -73,7 +73,7 @@ gst_v4lmjpegsink_sync_thread (void *arg)
} }
g_mutex_unlock (v4lmjpegsink->mutex_queued_frames); g_mutex_unlock (v4lmjpegsink->mutex_queued_frames);
DEBUG ("thread-syncing on next frame"); GST_DEBUG_OBJECT (v4lmjpegsink, "thread-syncing on next frame");
if (ioctl (GST_V4LELEMENT (v4lmjpegsink)->video_fd, MJPIOC_SYNC, if (ioctl (GST_V4LELEMENT (v4lmjpegsink)->video_fd, MJPIOC_SYNC,
&(v4lmjpegsink->bsync)) < 0) { &(v4lmjpegsink->bsync)) < 0) {
GST_ELEMENT_ERROR (v4lmjpegsink, RESOURCE, SYNC, (NULL), GST_ELEMENT_ERROR (v4lmjpegsink, RESOURCE, SYNC, (NULL),
@ -100,7 +100,7 @@ gst_v4lmjpegsink_sync_thread (void *arg)
} }
end: end:
DEBUG ("Sync thread got signalled to exit"); GST_DEBUG_OBJECT (v4lmjpegsink, "Sync thread got signalled to exit");
g_thread_exit (NULL); g_thread_exit (NULL);
return NULL; return NULL;
} }
@ -115,7 +115,7 @@ end:
static gboolean static gboolean
gst_v4lmjpegsink_queue_frame (GstV4lMjpegSink * v4lmjpegsink, gint num) gst_v4lmjpegsink_queue_frame (GstV4lMjpegSink * v4lmjpegsink, gint num)
{ {
DEBUG ("queueing frame %d", num); GST_DEBUG_OBJECT (v4lmjpegsink, "queueing frame %d", num);
/* queue on this frame */ /* queue on this frame */
if (ioctl (GST_V4LELEMENT (v4lmjpegsink)->video_fd, MJPIOC_QBUF_PLAY, if (ioctl (GST_V4LELEMENT (v4lmjpegsink)->video_fd, MJPIOC_QBUF_PLAY,
@ -143,7 +143,7 @@ gst_v4lmjpegsink_queue_frame (GstV4lMjpegSink * v4lmjpegsink, gint num)
static gboolean static gboolean
gst_v4lmjpegsink_sync_frame (GstV4lMjpegSink * v4lmjpegsink, gint * num) gst_v4lmjpegsink_sync_frame (GstV4lMjpegSink * v4lmjpegsink, gint * num)
{ {
DEBUG ("syncing on next frame"); GST_DEBUG_OBJECT (v4lmjpegsink, "syncing on next frame");
/* calculate next frame */ /* calculate next frame */
v4lmjpegsink->current_frame = v4lmjpegsink->current_frame =
@ -175,8 +175,8 @@ gboolean
gst_v4lmjpegsink_set_buffer (GstV4lMjpegSink * v4lmjpegsink, gst_v4lmjpegsink_set_buffer (GstV4lMjpegSink * v4lmjpegsink,
gint numbufs, gint bufsize) gint numbufs, gint bufsize)
{ {
DEBUG ("setting buffer info to numbufs = %d, bufsize = %d KB", GST_DEBUG_OBJECT (v4lmjpegsink,
numbufs, bufsize); "setting buffer info to numbufs = %d, bufsize = %d KB", numbufs, bufsize);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink));
GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsink));
@ -201,8 +201,8 @@ gst_v4lmjpegsink_set_playback (GstV4lMjpegSink * v4lmjpegsink,
gint mw, mh; gint mw, mh;
struct mjpeg_params bparm; struct mjpeg_params bparm;
DEBUG GST_DEBUG_OBJECT (v4lmjpegsink,
("setting size = %dx%d, X/Y-offsets = %d/%d, norm = %d, interlacing = %d\n", "setting size=%dx%d, X/Y offsets=%d/%d, norm=%d, interlacing=%d\n",
width, height, x_offset, y_offset, norm, interlacing); width, height, x_offset, y_offset, norm, interlacing);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink));
/*GST_V4L_CHECK_NOT_ACTIVE(GST_V4LELEMENT(v4lmjpegsink)); */ /*GST_V4L_CHECK_NOT_ACTIVE(GST_V4LELEMENT(v4lmjpegsink)); */
@ -317,7 +317,7 @@ gst_v4lmjpegsink_playback_init (GstV4lMjpegSink * v4lmjpegsink)
{ {
gint n; gint n;
DEBUG ("initting playback subsystem"); GST_DEBUG_OBJECT (v4lmjpegsink, "initting playback subsystem");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink));
GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsink));
@ -328,7 +328,7 @@ gst_v4lmjpegsink_playback_init (GstV4lMjpegSink * v4lmjpegsink)
return FALSE; return FALSE;
} }
GST_INFO ("Got %ld buffers of size %ld KB", GST_INFO_OBJECT (v4lmjpegsink, "Got %ld buffers of size %ld KB",
v4lmjpegsink->breq.count, v4lmjpegsink->breq.size / 1024); v4lmjpegsink->breq.count, v4lmjpegsink->breq.size / 1024);
/* Map the buffers */ /* Map the buffers */
@ -378,7 +378,7 @@ gst_v4lmjpegsink_playback_start (GstV4lMjpegSink * v4lmjpegsink)
GError *error; GError *error;
gint n; gint n;
DEBUG ("starting playback"); GST_DEBUG_OBJECT (v4lmjpegsink, "starting playback");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink));
@ -411,7 +411,7 @@ gst_v4lmjpegsink_playback_start (GstV4lMjpegSink * v4lmjpegsink)
guint8 * guint8 *
gst_v4lmjpegsink_get_buffer (GstV4lMjpegSink * v4lmjpegsink, gint num) gst_v4lmjpegsink_get_buffer (GstV4lMjpegSink * v4lmjpegsink, gint num)
{ {
/*DEBUG("gst_v4lmjpegsink_get_buffer(), num = %d", num); */ /*GST_DEBUG_OBJECT (v4lmjpegsink, gst_v4lmjpegsink_get_buffer(), num = %d", num); */
if (!GST_V4L_IS_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)) || if (!GST_V4L_IS_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)) ||
!GST_V4L_IS_OPEN (GST_V4LELEMENT (v4lmjpegsink))) !GST_V4L_IS_OPEN (GST_V4LELEMENT (v4lmjpegsink)))
@ -434,7 +434,7 @@ gst_v4lmjpegsink_get_buffer (GstV4lMjpegSink * v4lmjpegsink, gint num)
gboolean gboolean
gst_v4lmjpegsink_play_frame (GstV4lMjpegSink * v4lmjpegsink, gint num) gst_v4lmjpegsink_play_frame (GstV4lMjpegSink * v4lmjpegsink, gint num)
{ {
DEBUG ("playing frame %d", num); GST_DEBUG_OBJECT (v4lmjpegsink, "playing frame %d", num);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink));
@ -454,7 +454,8 @@ gst_v4lmjpegsink_play_frame (GstV4lMjpegSink * v4lmjpegsink, gint num)
gboolean gboolean
gst_v4lmjpegsink_wait_frame (GstV4lMjpegSink * v4lmjpegsink, gint * num) gst_v4lmjpegsink_wait_frame (GstV4lMjpegSink * v4lmjpegsink, gint * num)
{ {
DEBUG ("waiting for next frame to be finished playing"); GST_DEBUG_OBJECT (v4lmjpegsink,
"waiting for next frame to be finished playing");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink));
@ -476,7 +477,7 @@ gst_v4lmjpegsink_playback_stop (GstV4lMjpegSink * v4lmjpegsink)
{ {
gint num; gint num;
DEBUG ("stopping playback"); GST_DEBUG_OBJECT (v4lmjpegsink, "stopping playback");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink));
@ -504,7 +505,7 @@ gst_v4lmjpegsink_playback_deinit (GstV4lMjpegSink * v4lmjpegsink)
{ {
int n; int n;
DEBUG ("quitting playback subsystem"); GST_DEBUG_OBJECT (v4lmjpegsink, "quitting playback subsystem");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsink));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsink));

5
sys/v4l/v4lmjpegsink_calls.h
View file

@ -1,4 +1,7 @@
/* G-Streamer hardware MJPEG video sink plugin /* GStreamer
*
* v4lmjpegsink_calls.c: functions for hardware MJPEG video sink
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or

43
sys/v4l/v4lmjpegsrc_calls.c
View file

@ -1,4 +1,7 @@
/* G-Streamer hardware MJPEG video source plugin /* GStreamer
*
* v4lmjpegsrc_calls.c: functions for hardware MJPEG video source
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -37,10 +40,8 @@
#define MIN_BUFFERS_QUEUED 2 #define MIN_BUFFERS_QUEUED 2
#define DEBUG(format, args...) \ GST_DEBUG_CATEGORY_EXTERN (v4lmjpegsrc_debug);
GST_DEBUG_OBJECT (\ #define GST_CAT_DEFAULT v4lmjpegsrc_debug
GST_ELEMENT(v4lmjpegsrc), \
"V4LMJPEGSRC: " format, ##args)
enum enum
{ {
@ -59,7 +60,7 @@ enum
static gboolean static gboolean
gst_v4lmjpegsrc_queue_frame (GstV4lMjpegSrc * v4lmjpegsrc, gint num) gst_v4lmjpegsrc_queue_frame (GstV4lMjpegSrc * v4lmjpegsrc, gint num)
{ {
DEBUG ("queueing frame %d", num); GST_DEBUG_OBJECT (v4lmjpegsrc, "queueing frame %d", num);
if (v4lmjpegsrc->frame_queue_state[num] != QUEUE_STATE_READY_FOR_QUEUE) { if (v4lmjpegsrc->frame_queue_state[num] != QUEUE_STATE_READY_FOR_QUEUE) {
return FALSE; return FALSE;
@ -88,7 +89,7 @@ gst_v4lmjpegsrc_queue_frame (GstV4lMjpegSrc * v4lmjpegsrc, gint num)
static gboolean static gboolean
gst_v4lmjpegsrc_sync_next_frame (GstV4lMjpegSrc * v4lmjpegsrc, gint * num) gst_v4lmjpegsrc_sync_next_frame (GstV4lMjpegSrc * v4lmjpegsrc, gint * num)
{ {
DEBUG ("syncing on next frame"); GST_DEBUG_OBJECT (v4lmjpegsrc, "syncing on next frame");
if (v4lmjpegsrc->num_queued <= 0) { if (v4lmjpegsrc->num_queued <= 0) {
return FALSE; return FALSE;
@ -100,7 +101,7 @@ gst_v4lmjpegsrc_sync_next_frame (GstV4lMjpegSrc * v4lmjpegsrc, gint * num)
GST_ELEMENT_ERROR (v4lmjpegsrc, RESOURCE, SYNC, (NULL), GST_ERROR_SYSTEM); GST_ELEMENT_ERROR (v4lmjpegsrc, RESOURCE, SYNC, (NULL), GST_ERROR_SYSTEM);
return FALSE; return FALSE;
} }
DEBUG ("Sync got interrupted"); GST_DEBUG_OBJECT (v4lmjpegsrc, "Sync got interrupted");
} }
*num = v4lmjpegsrc->bsync.frame; *num = v4lmjpegsrc->bsync.frame;
@ -122,8 +123,8 @@ gboolean
gst_v4lmjpegsrc_set_buffer (GstV4lMjpegSrc * v4lmjpegsrc, gst_v4lmjpegsrc_set_buffer (GstV4lMjpegSrc * v4lmjpegsrc,
gint numbufs, gint bufsize) gint numbufs, gint bufsize)
{ {
DEBUG ("setting buffer info to numbufs = %d, bufsize = %d KB", GST_DEBUG_OBJECT (v4lmjpegsrc,
numbufs, bufsize); "setting buffer info to numbufs = %d, bufsize = %d KB", numbufs, bufsize);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc));
@ -147,7 +148,8 @@ gst_v4lmjpegsrc_set_capture (GstV4lMjpegSrc * v4lmjpegsrc,
int norm, input, mw; int norm, input, mw;
struct mjpeg_params bparm; struct mjpeg_params bparm;
DEBUG ("setting decimation = %d, quality = %d", decimation, quality); GST_DEBUG_OBJECT (v4lmjpegsrc, "setting decimation = %d, quality = %d",
decimation, quality);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc));
@ -207,7 +209,7 @@ gst_v4lmjpegsrc_set_capture_m (GstV4lMjpegSrc * v4lmjpegsrc,
gint maxwidth; gint maxwidth;
struct mjpeg_params bparm; struct mjpeg_params bparm;
DEBUG ("setting x_offset = %d, y_offset = %d, " GST_DEBUG_OBJECT (v4lmjpegsrc, "setting x_offset = %d, y_offset = %d, "
"width = %d, height = %d, h_decimation = %d, v_decimation = %d, quality = %d\n", "width = %d, height = %d, h_decimation = %d, v_decimation = %d, quality = %d\n",
x_offset, y_offset, width, height, h_decimation, v_decimation, quality); x_offset, y_offset, width, height, h_decimation, v_decimation, quality);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
@ -318,7 +320,7 @@ gst_v4lmjpegsrc_set_capture_m (GstV4lMjpegSrc * v4lmjpegsrc,
gboolean gboolean
gst_v4lmjpegsrc_capture_init (GstV4lMjpegSrc * v4lmjpegsrc) gst_v4lmjpegsrc_capture_init (GstV4lMjpegSrc * v4lmjpegsrc)
{ {
DEBUG ("initting capture subsystem"); GST_DEBUG_OBJECT (v4lmjpegsrc, "initting capture subsystem");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc));
@ -336,7 +338,7 @@ gst_v4lmjpegsrc_capture_init (GstV4lMjpegSrc * v4lmjpegsrc)
return FALSE; return FALSE;
} }
GST_INFO ("Got %ld buffers of size %ld KB", GST_INFO_OBJECT (v4lmjpegsrc, "Got %ld buffers of size %ld KB",
v4lmjpegsrc->breq.count, v4lmjpegsrc->breq.size / 1024); v4lmjpegsrc->breq.count, v4lmjpegsrc->breq.size / 1024);
/* keep track of queued buffers */ /* keep track of queued buffers */
@ -378,7 +380,7 @@ gst_v4lmjpegsrc_capture_start (GstV4lMjpegSrc * v4lmjpegsrc)
{ {
int n; int n;
DEBUG ("starting capture"); GST_DEBUG_OBJECT (v4lmjpegsrc, "starting capture");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc));
@ -414,7 +416,7 @@ gboolean
gst_v4lmjpegsrc_grab_frame (GstV4lMjpegSrc * v4lmjpegsrc, gst_v4lmjpegsrc_grab_frame (GstV4lMjpegSrc * v4lmjpegsrc,
gint * num, gint * size) gint * num, gint * size)
{ {
DEBUG ("grabbing frame"); GST_DEBUG_OBJECT (v4lmjpegsrc, "grabbing frame");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc));
@ -426,7 +428,8 @@ gst_v4lmjpegsrc_grab_frame (GstV4lMjpegSrc * v4lmjpegsrc,
QUEUE_STATE_READY_FOR_QUEUE) { QUEUE_STATE_READY_FOR_QUEUE) {
while (v4lmjpegsrc->frame_queue_state[v4lmjpegsrc->queue_frame] != while (v4lmjpegsrc->frame_queue_state[v4lmjpegsrc->queue_frame] !=
QUEUE_STATE_READY_FOR_QUEUE && !v4lmjpegsrc->quit) { QUEUE_STATE_READY_FOR_QUEUE && !v4lmjpegsrc->quit) {
GST_DEBUG ("Waiting for frames to become available (%d < %d)", GST_DEBUG_OBJECT (v4lmjpegsrc,
"Waiting for frames to become available (%d < %d)",
v4lmjpegsrc->num_queued, MIN_BUFFERS_QUEUED); v4lmjpegsrc->num_queued, MIN_BUFFERS_QUEUED);
g_cond_wait (v4lmjpegsrc->cond_queue_state, g_cond_wait (v4lmjpegsrc->cond_queue_state,
v4lmjpegsrc->mutex_queue_state); v4lmjpegsrc->mutex_queue_state);
@ -487,7 +490,7 @@ gst_v4lmjpegsrc_get_buffer (GstV4lMjpegSrc * v4lmjpegsrc, gint num)
gboolean gboolean
gst_v4lmjpegsrc_requeue_frame (GstV4lMjpegSrc * v4lmjpegsrc, gint num) gst_v4lmjpegsrc_requeue_frame (GstV4lMjpegSrc * v4lmjpegsrc, gint num)
{ {
DEBUG ("requeueing frame %d", num); GST_DEBUG_OBJECT (v4lmjpegsrc, "requeueing frame %d", num);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc));
@ -523,7 +526,7 @@ gst_v4lmjpegsrc_capture_stop (GstV4lMjpegSrc * v4lmjpegsrc)
{ {
int n; int n;
DEBUG ("stopping capture"); GST_DEBUG_OBJECT (v4lmjpegsrc, "stopping capture");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc));
@ -553,7 +556,7 @@ gst_v4lmjpegsrc_capture_stop (GstV4lMjpegSrc * v4lmjpegsrc)
gboolean gboolean
gst_v4lmjpegsrc_capture_deinit (GstV4lMjpegSrc * v4lmjpegsrc) gst_v4lmjpegsrc_capture_deinit (GstV4lMjpegSrc * v4lmjpegsrc)
{ {
DEBUG ("quitting capture subsystem"); GST_DEBUG_OBJECT (v4lmjpegsrc, "quitting capture subsystem");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lmjpegsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lmjpegsrc));

5
sys/v4l/v4lmjpegsrc_calls.h
View file

@ -1,4 +1,7 @@
/* G-Streamer hardware MJPEG video source plugin /* GStreamer
*
* v4lmjpegsrc_calls.h: functions for hardware MJPEG video source
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or

74
sys/v4l/v4lsrc_calls.c
View file

@ -1,4 +1,7 @@
/* G-Streamer BT8x8/V4L frame grabber plugin /* GStreamer
*
* v4lsrc_calls.c: generic V4L source functions
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
@ -44,16 +47,6 @@ GST_DEBUG_CATEGORY_EXTERN (v4l_debug);
#define GST_CAT_DEFAULT v4l_debug #define GST_CAT_DEFAULT v4l_debug
#define DEBUG(format, args...) \
GST_DEBUG_OBJECT (\
GST_ELEMENT(v4lsrc), \
"V4LSRC: " format, ##args)
#define LOG(format, args...) \
GST_LOG_OBJECT (\
GST_ELEMENT(v4lsrc), \
"V4LSRC: " format, ##args)
/* palette names */ /* palette names */
static const char *palette_name[] = { static const char *palette_name[] = {
"", /* 0 */ "", /* 0 */
@ -78,6 +71,7 @@ static const char *palette_name[] = {
/****************************************************** /******************************************************
* gst_v4lsrc_queue_frame(): * gst_v4lsrc_queue_frame():
* queue a frame for capturing * queue a frame for capturing
* (ie. instruct the hardware to start capture)
* Requires queue_state lock to be held! * Requires queue_state lock to be held!
* return value: TRUE on success, FALSE on error * return value: TRUE on success, FALSE on error
******************************************************/ ******************************************************/
@ -85,14 +79,14 @@ static const char *palette_name[] = {
static gboolean static gboolean
gst_v4lsrc_queue_frame (GstV4lSrc * v4lsrc, gint num) gst_v4lsrc_queue_frame (GstV4lSrc * v4lsrc, gint num)
{ {
LOG ("queueing frame %d", num); GST_LOG_OBJECT (v4lsrc, "queueing frame %d", num);
if (v4lsrc->frame_queue_state[num] != QUEUE_STATE_READY_FOR_QUEUE) { if (v4lsrc->frame_queue_state[num] != QUEUE_STATE_READY_FOR_QUEUE) {
return FALSE; return FALSE;
} }
/* instruct the driver to prepare capture using buffer frame num */
v4lsrc->mmap.frame = num; v4lsrc->mmap.frame = num;
if (ioctl (GST_V4LELEMENT (v4lsrc)->video_fd, if (ioctl (GST_V4LELEMENT (v4lsrc)->video_fd,
VIDIOCMCAPTURE, &(v4lsrc->mmap)) < 0) { VIDIOCMCAPTURE, &(v4lsrc->mmap)) < 0) {
GST_ELEMENT_ERROR (v4lsrc, RESOURCE, WRITE, (NULL), GST_ELEMENT_ERROR (v4lsrc, RESOURCE, WRITE, (NULL),
@ -115,7 +109,7 @@ gst_v4lsrc_queue_frame (GstV4lSrc * v4lsrc, gint num)
static gboolean static gboolean
gst_v4lsrc_sync_frame (GstV4lSrc * v4lsrc, gint num) gst_v4lsrc_sync_frame (GstV4lSrc * v4lsrc, gint num)
{ {
LOG ("Syncing on frame %d", num); GST_LOG_OBJECT (v4lsrc, "VIOIOCSYNC on frame %d", num);
if (v4lsrc->frame_queue_state[num] != QUEUE_STATE_QUEUED) { if (v4lsrc->frame_queue_state[num] != QUEUE_STATE_QUEUED) {
return FALSE; return FALSE;
@ -128,8 +122,9 @@ gst_v4lsrc_sync_frame (GstV4lSrc * v4lsrc, gint num)
GST_ELEMENT_ERROR (v4lsrc, RESOURCE, SYNC, (NULL), GST_ERROR_SYSTEM); GST_ELEMENT_ERROR (v4lsrc, RESOURCE, SYNC, (NULL), GST_ERROR_SYSTEM);
return FALSE; return FALSE;
} }
DEBUG ("Sync got interrupted"); GST_DEBUG_OBJECT (v4lsrc, "Sync got interrupted");
} }
GST_LOG_OBJECT (v4lsrc, "VIOIOCSYNC on frame %d done", num);
if (v4lsrc->clock) { if (v4lsrc->clock) {
v4lsrc->timestamp_sync = gst_clock_get_time (v4lsrc->clock); v4lsrc->timestamp_sync = gst_clock_get_time (v4lsrc->clock);
@ -156,7 +151,8 @@ gboolean
gst_v4lsrc_set_capture (GstV4lSrc * v4lsrc, gst_v4lsrc_set_capture (GstV4lSrc * v4lsrc,
gint width, gint height, gint palette) gint width, gint height, gint palette)
{ {
DEBUG ("capture properties set to width = %d, height = %d, palette = %d", GST_DEBUG_OBJECT (v4lsrc,
"capture properties set to width = %d, height = %d, palette = %d",
width, height, palette); width, height, palette);
/*GST_V4L_CHECK_OPEN(GST_V4LELEMENT(v4lsrc)); */ /*GST_V4L_CHECK_OPEN(GST_V4LELEMENT(v4lsrc)); */
@ -179,11 +175,12 @@ gst_v4lsrc_set_capture (GstV4lSrc * v4lsrc,
gboolean gboolean
gst_v4lsrc_capture_init (GstV4lSrc * v4lsrc) gst_v4lsrc_capture_init (GstV4lSrc * v4lsrc)
{ {
DEBUG ("initting capture subsystem"); GST_DEBUG_OBJECT (v4lsrc, "initting capture subsystem");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lsrc));
/* request buffer info */ /* request the mmap buffer info:
* total size of mmap buffer, number of frames, offsets of frames */
if (ioctl (GST_V4LELEMENT (v4lsrc)->video_fd, VIDIOCGMBUF, if (ioctl (GST_V4LELEMENT (v4lsrc)->video_fd, VIDIOCGMBUF,
&(v4lsrc->mbuf)) < 0) { &(v4lsrc->mbuf)) < 0) {
GST_ELEMENT_ERROR (v4lsrc, RESOURCE, READ, (NULL), GST_ELEMENT_ERROR (v4lsrc, RESOURCE, READ, (NULL),
@ -198,7 +195,7 @@ gst_v4lsrc_capture_init (GstV4lSrc * v4lsrc)
return FALSE; return FALSE;
} }
GST_INFO ("Got %d buffers (\'%s\') of size %d KB", GST_INFO_OBJECT (v4lsrc, "Got %d buffers (\'%s\') with total size %d KB",
v4lsrc->mbuf.frames, palette_name[v4lsrc->mmap.format], v4lsrc->mbuf.frames, palette_name[v4lsrc->mmap.format],
v4lsrc->mbuf.size / (v4lsrc->mbuf.frames * 1024)); v4lsrc->mbuf.size / (v4lsrc->mbuf.frames * 1024));
@ -218,7 +215,7 @@ gst_v4lsrc_capture_init (GstV4lSrc * v4lsrc)
GST_V4LELEMENT (v4lsrc)->buffer = mmap (0, v4lsrc->mbuf.size, GST_V4LELEMENT (v4lsrc)->buffer = mmap (0, v4lsrc->mbuf.size,
PROT_READ | PROT_WRITE, MAP_SHARED, GST_V4LELEMENT (v4lsrc)->video_fd, 0); PROT_READ | PROT_WRITE, MAP_SHARED, GST_V4LELEMENT (v4lsrc)->video_fd, 0);
if (GST_V4LELEMENT (v4lsrc)->buffer == MAP_FAILED) { if (GST_V4LELEMENT (v4lsrc)->buffer == MAP_FAILED) {
GST_ELEMENT_ERROR (v4lsrc, RESOURCE, TOO_LAZY, (NULL), GST_ELEMENT_ERROR (v4lsrc, RESOURCE, OPEN_READ_WRITE, (NULL),
("Error mapping video buffers: %s", g_strerror (errno))); ("Error mapping video buffers: %s", g_strerror (errno)));
GST_V4LELEMENT (v4lsrc)->buffer = NULL; GST_V4LELEMENT (v4lsrc)->buffer = NULL;
return FALSE; return FALSE;
@ -239,7 +236,7 @@ gst_v4lsrc_capture_start (GstV4lSrc * v4lsrc)
{ {
int n; int n;
DEBUG ("starting capture"); GST_DEBUG_OBJECT (v4lsrc, "starting capture");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc));
@ -250,7 +247,8 @@ gst_v4lsrc_capture_start (GstV4lSrc * v4lsrc)
v4lsrc->sync_frame = 0; v4lsrc->sync_frame = 0;
v4lsrc->queue_frame = 0; v4lsrc->queue_frame = 0;
/* set all buffers ready to queue , this starts streaming capture */ /* set all buffers ready to queue, and queue captures to the device.
* This starts streaming capture */
for (n = 0; n < v4lsrc->mbuf.frames; n++) { for (n = 0; n < v4lsrc->mbuf.frames; n++) {
v4lsrc->frame_queue_state[n] = QUEUE_STATE_READY_FOR_QUEUE; v4lsrc->frame_queue_state[n] = QUEUE_STATE_READY_FOR_QUEUE;
if (!gst_v4lsrc_queue_frame (v4lsrc, n)) { if (!gst_v4lsrc_queue_frame (v4lsrc, n)) {
@ -276,8 +274,7 @@ gst_v4lsrc_capture_start (GstV4lSrc * v4lsrc)
gboolean gboolean
gst_v4lsrc_grab_frame (GstV4lSrc * v4lsrc, gint * num) gst_v4lsrc_grab_frame (GstV4lSrc * v4lsrc, gint * num)
{ {
LOG ("(%" GST_TIME_FORMAT ") grabbing frame", GST_LOG_OBJECT (v4lsrc, "grabbing frame");
GST_TIME_ARGS (gst_clock_get_time (v4lsrc->clock)));
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc));
@ -289,7 +286,8 @@ gst_v4lsrc_grab_frame (GstV4lSrc * v4lsrc, gint * num)
QUEUE_STATE_READY_FOR_QUEUE) { QUEUE_STATE_READY_FOR_QUEUE) {
while (v4lsrc->frame_queue_state[v4lsrc->queue_frame] != while (v4lsrc->frame_queue_state[v4lsrc->queue_frame] !=
QUEUE_STATE_READY_FOR_QUEUE && !v4lsrc->quit) { QUEUE_STATE_READY_FOR_QUEUE && !v4lsrc->quit) {
GST_DEBUG ("Waiting for frames to become available (%d < %d)", GST_DEBUG_OBJECT (v4lsrc,
"Waiting for frames to become available (%d < %d)",
v4lsrc->num_queued, MIN_BUFFERS_QUEUED); v4lsrc->num_queued, MIN_BUFFERS_QUEUED);
g_cond_wait (v4lsrc->cond_queue_state, v4lsrc->mutex_queue_state); g_cond_wait (v4lsrc->cond_queue_state, v4lsrc->mutex_queue_state);
} }
@ -312,7 +310,7 @@ gst_v4lsrc_grab_frame (GstV4lSrc * v4lsrc, gint * num)
} }
v4lsrc->sync_frame = (v4lsrc->sync_frame + 1) % v4lsrc->mbuf.frames; v4lsrc->sync_frame = (v4lsrc->sync_frame + 1) % v4lsrc->mbuf.frames;
LOG ("(%" GST_TIME_FORMAT ") grabbed frame %d", GST_LOG_OBJECT (v4lsrc, "(%" GST_TIME_FORMAT ") grabbed frame %d",
GST_TIME_ARGS (gst_clock_get_time (v4lsrc->clock)), *num); GST_TIME_ARGS (gst_clock_get_time (v4lsrc->clock)), *num);
g_mutex_unlock (v4lsrc->mutex_queue_state); g_mutex_unlock (v4lsrc->mutex_queue_state);
@ -323,7 +321,7 @@ gst_v4lsrc_grab_frame (GstV4lSrc * v4lsrc, gint * num)
/****************************************************** /******************************************************
* gst_v4lsrc_get_buffer(): * gst_v4lsrc_get_buffer():
* get the address of the just-capture buffer * get the address of the given frame number in the mmap'd buffer
* return value: the buffer's address or NULL * return value: the buffer's address or NULL
******************************************************/ ******************************************************/
@ -350,7 +348,7 @@ gst_v4lsrc_get_buffer (GstV4lSrc * v4lsrc, gint num)
gboolean gboolean
gst_v4lsrc_requeue_frame (GstV4lSrc * v4lsrc, gint num) gst_v4lsrc_requeue_frame (GstV4lSrc * v4lsrc, gint num)
{ {
LOG ("requeueing frame %d", num); GST_LOG_OBJECT (v4lsrc, "requeueing frame %d", num);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc));
@ -384,7 +382,7 @@ gst_v4lsrc_requeue_frame (GstV4lSrc * v4lsrc, gint num)
gboolean gboolean
gst_v4lsrc_capture_stop (GstV4lSrc * v4lsrc) gst_v4lsrc_capture_stop (GstV4lSrc * v4lsrc)
{ {
DEBUG ("stopping capture"); GST_DEBUG_OBJECT (v4lsrc, "stopping capture");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc));
@ -420,18 +418,26 @@ gst_v4lsrc_capture_stop (GstV4lSrc * v4lsrc)
gboolean gboolean
gst_v4lsrc_capture_deinit (GstV4lSrc * v4lsrc) gst_v4lsrc_capture_deinit (GstV4lSrc * v4lsrc)
{ {
DEBUG ("quitting capture subsystem"); GST_DEBUG_OBJECT (v4lsrc, "quitting capture subsystem");
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc));
/* free buffer tracker */ /* free buffer tracker */
g_mutex_free (v4lsrc->mutex_queue_state); g_mutex_free (v4lsrc->mutex_queue_state);
v4lsrc->mutex_queue_state = NULL;
g_cond_free (v4lsrc->cond_queue_state); g_cond_free (v4lsrc->cond_queue_state);
v4lsrc->cond_queue_state = NULL;
g_free (v4lsrc->frame_queue_state); g_free (v4lsrc->frame_queue_state);
v4lsrc->frame_queue_state = NULL;
g_free (v4lsrc->use_num_times); g_free (v4lsrc->use_num_times);
v4lsrc->use_num_times = NULL;
/* unmap the buffer */ /* unmap the buffer */
munmap (GST_V4LELEMENT (v4lsrc)->buffer, v4lsrc->mbuf.size); if (munmap (GST_V4LELEMENT (v4lsrc)->buffer, v4lsrc->mbuf.size) == -1) {
GST_ELEMENT_ERROR (v4lsrc, RESOURCE, CLOSE, (NULL),
("error munmap'ing capture buffer: %s", g_strerror (errno)));
return FALSE;
}
GST_V4LELEMENT (v4lsrc)->buffer = NULL; GST_V4LELEMENT (v4lsrc)->buffer = NULL;
return TRUE; return TRUE;
@ -463,7 +469,7 @@ gst_v4lsrc_try_palette (GstV4lSrc * v4lsrc, gint palette)
struct video_mbuf vmbuf; struct video_mbuf vmbuf;
struct video_mmap vmmap; struct video_mmap vmmap;
DEBUG ("gonna try out palette format %d (%s)", GST_DEBUG_OBJECT (v4lsrc, "gonna try out palette format %d (%s)",
palette, palette_name[palette]); palette, palette_name[palette]);
GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lsrc)); GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lsrc));
@ -478,7 +484,7 @@ gst_v4lsrc_try_palette (GstV4lSrc * v4lsrc, gint palette)
buffer = mmap (0, vmbuf.size, PROT_READ | PROT_WRITE, buffer = mmap (0, vmbuf.size, PROT_READ | PROT_WRITE,
MAP_SHARED, GST_V4LELEMENT (v4lsrc)->video_fd, 0); MAP_SHARED, GST_V4LELEMENT (v4lsrc)->video_fd, 0);
if (buffer == MAP_FAILED) { if (buffer == MAP_FAILED) {
GST_ELEMENT_ERROR (v4lsrc, RESOURCE, TOO_LAZY, (NULL), GST_ELEMENT_ERROR (v4lsrc, RESOURCE, OPEN_READ_WRITE, (NULL),
("Error mapping our try-out buffer: %s", g_strerror (errno))); ("Error mapping our try-out buffer: %s", g_strerror (errno)));
return FALSE; return FALSE;
} }
@ -490,7 +496,7 @@ gst_v4lsrc_try_palette (GstV4lSrc * v4lsrc, gint palette)
vmmap.frame = frame; vmmap.frame = frame;
if (ioctl (GST_V4LELEMENT (v4lsrc)->video_fd, VIDIOCMCAPTURE, &vmmap) < 0) { if (ioctl (GST_V4LELEMENT (v4lsrc)->video_fd, VIDIOCMCAPTURE, &vmmap) < 0) {
if (errno != EINVAL) /* our format failed! */ if (errno != EINVAL) /* our format failed! */
GST_ELEMENT_ERROR (v4lsrc, RESOURCE, TOO_LAZY, (NULL), GST_ELEMENT_ERROR (v4lsrc, RESOURCE, OPEN_READ_WRITE, (NULL),
("Error queueing our try-out buffer: %s", g_strerror (errno))); ("Error queueing our try-out buffer: %s", g_strerror (errno)));
munmap (buffer, vmbuf.size); munmap (buffer, vmbuf.size);
return FALSE; return FALSE;

5
sys/v4l/v4lsrc_calls.h
View file

@ -1,4 +1,7 @@
/* G-Streamer BT8x8/V4L frame grabber plugin /* GStreamer
*
* v4lsrc_calls.h: functions for V4L video source
*
* Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net> * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or