diff options
| -rwxr-xr-x | doc/pdp_v4l2-help.pd | 65 | ||||
| -rwxr-xr-x | modules/pdp_v4l2.c | 852 | ||||
| -rwxr-xr-x | patches/giss-audio-mp3.pd | 531 | ||||
| -rwxr-xr-x | patches/giss-audio-ogg.pd | 523 | ||||
| -rwxr-xr-x | patches/giss-dv-linux.pd | 624 | ||||
| -rwxr-xr-x | patches/giss.pd | 680 |
6 files changed, 3275 insertions, 0 deletions
diff --git a/doc/pdp_v4l2-help.pd b/doc/pdp_v4l2-help.pd new file mode 100755 index 0000000..af298b6 --- /dev/null +++ b/doc/pdp_v4l2-help.pd @@ -0,0 +1,65 @@ +#N canvas 508 213 927 686 10; +#X obj 35 20 metro 40; +#X msg 87 -19 stop; +#X msg 35 -19 bang; +#X msg 207 -159 open /dev/video0; +#X msg 207 -135 open /dev/video1; +#X text 339 -162 you can choose the input device using the 'open' message. +the default is /dev/video0; +#X msg 207 -110 close; +#X text 347 -110 closes the video port; +#X msg 208 -84 dim 320 240; +#X msg 208 -61 dim 640 480; +#X floatatom 209 -28 5 0 0 0 - - -; +#X floatatom 212 137 5 0 0 0 - - -; +#X msg 212 161 freq \$1; +#X floatatom 273 137 5 0 0 0 - - -; +#X msg 273 161 freqMHz \$1; +#X text 317 135 sets the v4l tuner frequency (in v4l units and MHz) +; +#X text 325 253 pdp_v4l2 is an interface for video 4 linux 2 devices +; +#X text 324 268 it's very similar to pdp_v4l but should support more +recent cameras \, if it doesn't with yours report bugs to ydegoyon@free.fr +; +#X obj 96 247 pdp_v4l2; +#X text 321 202 creation arguments: <input device>; +#X floatatom 210 20 5 0 0 0 - - -; +#X msg 210 40 format \$1; +#X text 294 18 sets the pixel format (like YUYV \, RGB32 \, ...); +#X msg 209 -8 input \$1; +#X text 293 -30 sets the v4l input (like camera \, tuner \, svideo +\, ...); +#X text 292 -19 see initialization phase for valid inputs; +#X text 297 69 sets the video standard ( for tuner cards ); +#X text 294 29 see initialization phase for valid formats; +#X text 297 81 see initialization phase for valid standards; +#X floatatom 213 71 5 0 0 0 - - -; +#X msg 213 91 standard \$1; +#X obj 96 300 pdp_xv; +#X msg 179 299 cursor 1; +#X msg 167 271 posdim 0 0 1440 800; +#X text 324 303 authors : Yves Degoyon and Lluis Gomez i Bigorda; +#X text 325 317 code was inspired by pdp_v4l by Tom Schouten and xawtv +by Gerd Knorr; +#X connect 0 0 18 0; +#X connect 1 0 0 0; +#X connect 2 0 0 0; +#X connect 3 0 18 0; +#X connect 4 0 18 0; +#X connect 6 0 18 0; +#X connect 8 0 18 0; +#X connect 9 0 18 0; +#X connect 10 0 23 0; +#X connect 11 0 12 0; +#X connect 12 0 18 0; +#X connect 13 0 14 0; +#X connect 14 0 18 0; +#X connect 18 0 31 0; +#X connect 20 0 21 0; +#X connect 21 0 18 0; +#X connect 23 0 18 0; +#X connect 29 0 30 0; +#X connect 30 0 18 0; +#X connect 32 0 31 0; +#X connect 33 0 31 0; diff --git a/modules/pdp_v4l2.c b/modules/pdp_v4l2.c new file mode 100755 index 0000000..0b5f655 --- /dev/null +++ b/modules/pdp_v4l2.c @@ -0,0 +1,852 @@ +/* + * PiDiP module + * Authors : Yves Degoyon ( ydegoyon@free.fr ) and Lluis Gomez i Bigorda + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* This object is a video 4 linux 2 driver wrapper, + * inspired by pdp_v4l by Tom Schouten + * and some driver code from xawtv ( thanks to Gerd Knorr <kraxel@bytesex.org> ) + */ + + +#include "pdp_config.h" +#include "pdp.h" +#include "pdp_llconv.h" +#include "pdp_imageproc.h" +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <unistd.h> +#include <string.h> +#include <ctype.h> +#include <fcntl.h> +#include <errno.h> +#include <sys/ioctl.h> +#include <sys/types.h> +#include <sys/time.h> +#include <linux/types.h> +#include <linux/videodev.h> +#include <linux/videodev2.h> +#include <sys/mman.h> +#include <sched.h> +#include <pthread.h> + +// dont open any more after a set number +// of failed attempts +// this is to prevent locks on auto-open +// is reset when manually opened or closed +#define PDP_XV_RETRIES 10 + + +#define DEVICENO 0 +#define NBUF 2 +#define COMPOSITEIN 1 +#define WANTED_BUFFERS 2 +#define MAX_INPUT 16 +#define MAX_NORM 16 +#define MAX_FORMAT 32 +#define MAX_CTRL 32 + + +typedef struct pdp_v4l2_struct +{ + t_object x_obj; + t_float x_f; + + t_outlet *x_outlet0; + + bool x_initialized; + bool x_auto_open; + + unsigned int x_width; + unsigned int x_height; + + int x_curinput; + int x_curstandard; + int x_curformat; + int x_freq; + + // video 4 linux 2 structures + int x_ninputs; + int x_nstandards; + int x_nformats; + struct v4l2_capability x_vcap; + struct v4l2_input x_inputs[MAX_INPUT]; + struct v4l2_standard x_standards[MAX_NORM]; + struct v4l2_fmtdesc x_formats[MAX_FORMAT]; + struct v4l2_streamparm x_streamparam; + struct v4l2_queryctrl x_controls[MAX_CTRL*2]; + struct v4l2_buffer x_v4l2_buf[WANTED_BUFFERS]; + struct v4l2_format x_v4l2_format; + struct v4l2_requestbuffers x_reqbufs; + + unsigned char *x_pdp_buf[WANTED_BUFFERS]; + + int x_tvfd; + int x_frame; + int x_skipnext; + int x_mytopmargin, x_mybottommargin; + int x_myleftmargin, x_myrightmargin; + + t_symbol *x_device; + + pthread_t x_thread_id; + int x_continue_thread; + int x_frame_ready; + int x_only_new_frames; + int x_last_frame; + + int x_open_retry; + + u32 x_minwidth; + u32 x_maxwidth; + u32 x_minheight; + u32 x_maxheight; + + int x_debug; +} t_pdp_v4l2; + +static void pdp_v4l2_close(t_pdp_v4l2 *x) +{ + /* close the v4l device and dealloc buffer */ + + void *dummy; + int i; + + /* terminate thread if there is one */ + if(x->x_continue_thread){ + x->x_continue_thread = 0; + pthread_join (x->x_thread_id, &dummy); + } + + if (x->x_tvfd >= 0) + { + close(x->x_tvfd); + x->x_tvfd = -1; + } + + if (x->x_initialized){ + for( i=0; i<WANTED_BUFFERS; i++ ) + { + munmap(x->x_pdp_buf[i], x->x_v4l2_buf[i].length); + } + x->x_initialized = false; + } + +} + +static void pdp_v4l2_close_manual(t_pdp_v4l2 *x) +{ + x->x_open_retry = PDP_XV_RETRIES; + pdp_v4l2_close(x); +} + +static void pdp_v4l2_close_error(t_pdp_v4l2 *x) +{ + pdp_v4l2_close(x); + if(x->x_open_retry) x->x_open_retry--; +} + +static int pdp_v4l2_capture_frame(t_pdp_v4l2* x) +{ + x->x_v4l2_buf[x->x_frame].index = x->x_frame; + x->x_v4l2_buf[x->x_frame].type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + x->x_v4l2_buf[x->x_frame].memory = V4L2_MEMORY_MMAP; + + if (-1 == ioctl (x->x_tvfd, VIDIOC_DQBUF, &x->x_v4l2_buf[x->x_frame])) + { + switch (errno) + { + case EAGAIN: + return 0; + + case EIO: + // could ignore EIO, see spec + + default: + post( "pdp_v4l2 : error reading buffer : thread exiting"); + exit(-1); + } + } + + // reenqueing buffer + if (-1 == ioctl (x->x_tvfd, VIDIOC_QBUF, &x->x_v4l2_buf[x->x_frame])) + { + perror("pdp_v4l2 : error queing buffers : thread exiting"); + exit(-1); + } + + return 0; +} + +static void pdp_v4l2_wait_frame(t_pdp_v4l2* x) +{ + // wait an event on file descriptor + fd_set fds; + struct timeval tv; + int ret; + + FD_ZERO (&fds); + FD_SET (x->x_tvfd, &fds); + + // Timeout. + tv.tv_sec = 2; + tv.tv_usec = 0; + + ret = select (x->x_tvfd + 1, &fds, NULL, NULL, &tv); + + if (-1 == ret) { + if (EINTR == errno) return; + post ( "pdp_v4l2 : select timeout : thread exiting"); + exit (-1); + } + if (0 == ret) + { + post ( "pdp_v4l2 : select timeout : thread exiting"); + exit (-1); + } +} + +static int pdp_v4l2_start_capturing(t_pdp_v4l2 *x) +{ + enum v4l2_buf_type type; + + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + if (-1 == ioctl (x->x_tvfd, VIDIOC_STREAMON, &type)) + { + perror("pdp_v4l2 : error starting streaming"); + return -1; + } + post("pdp_v4l2 : capture started"); + return 0; +} + +static int pdp_v4l2_stop_capturing(t_pdp_v4l2 *x) +{ + enum v4l2_buf_type type; + + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + if (-1 == ioctl (x->x_tvfd, VIDIOC_STREAMOFF, &type)) + { + perror("pdp_v4l2 : error stopping streaming"); + return -1; + } + return 0; +} + +static void *pdp_v4l2_thread(void *voidx) +{ + t_pdp_v4l2 *x = ((t_pdp_v4l2 *)voidx); + + x->x_frame ^= 0x1; + if ( -1 == pdp_v4l2_start_capturing( x ) ) + { + post( "pdp_v4l2 : problem starting capture.. exiting " ); + exit( -1 ); + } + + /* capture with a double buffering scheme */ + while (x->x_continue_thread) + { + /* schedule capture command for next frame */ + pdp_v4l2_wait_frame(x); + + /* wait until previous capture is ready */ + x->x_frame ^= 0x1; + pdp_v4l2_capture_frame(x); + + /* setup pointers for main thread */ + x->x_frame_ready = 1; + x->x_last_frame = x->x_frame; + } + + if ( -1 == pdp_v4l2_stop_capturing( x ) ) + { + post( "pdp_v4l2 : problem stopping capture.. " ); + } + + post( "pdp_v4l2 : capture thread quitting" ); + return 0; +} + +static void pdp_v4l2_setlegaldim(t_pdp_v4l2 *x, int xx, int yy); + +static int pdp_v4l2_set_format(t_pdp_v4l2 *x, t_int index) +{ + x->x_v4l2_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + x->x_v4l2_format.fmt.pix.pixelformat = x->x_formats[index].pixelformat; + x->x_v4l2_format.fmt.pix.width = x->x_width; + x->x_v4l2_format.fmt.pix.height = x->x_height; + x->x_v4l2_format.fmt.pix.field = V4L2_FIELD_ANY; + x->x_v4l2_format.fmt.pix.bytesperline = 0; + + post( "pdp_v4l2 : setting format : pixel format : %c%c%c%c", + x->x_v4l2_format.fmt.pix.pixelformat & 0xff, + (x->x_v4l2_format.fmt.pix.pixelformat >> 8) & 0xff, + (x->x_v4l2_format.fmt.pix.pixelformat >> 16) & 0xff, + (x->x_v4l2_format.fmt.pix.pixelformat >> 24) & 0xff ); + + if (-1 == ioctl(x->x_tvfd, VIDIOC_S_FMT, &x->x_v4l2_format, EINVAL)) + { + perror( "pdp_v4l2 : setting format" ); + return -1; + } + + if ( x->x_v4l2_format.fmt.pix.pixelformat != x->x_formats[index].pixelformat ) + { + post( "pdp_v4l2 : couldn't set format : wrong pixel format " ); + return -1; + } + post( "pdp_v4l2 : capture format : width : %d : height :%d : bytesperline : %d : image size : %d", + x->x_v4l2_format.fmt.pix.width , x->x_v4l2_format.fmt.pix.height, + x->x_v4l2_format.fmt.pix.bytesperline, x->x_v4l2_format.fmt.pix.sizeimage ); + return 0; +} + +static int pdp_v4l2_init_mmap(t_pdp_v4l2 *x) +{ + unsigned int i; + + // get mmap numbers + x->x_reqbufs.count = WANTED_BUFFERS; + x->x_reqbufs.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + x->x_reqbufs.memory = V4L2_MEMORY_MMAP; + if (-1 == ioctl(x->x_tvfd, VIDIOC_REQBUFS, &x->x_reqbufs, 0)) + { + post( "pdp_v4l2 : error : couldn't init driver buffers" ); + return -1; + } + post("pdp_v4l2: got %d buffers type %d memory %d", + x->x_reqbufs.count, x->x_reqbufs.type, x->x_reqbufs.memory ); + + for (i = 0; i < x->x_reqbufs.count; i++) + { + x->x_v4l2_buf[i].index = i; + x->x_v4l2_buf[i].type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + x->x_v4l2_buf[i].memory = V4L2_MEMORY_MMAP; + if (-1 == ioctl(x->x_tvfd, VIDIOC_QUERYBUF, &x->x_v4l2_buf[i], 0)) + { + post( "pdp_v4l2 : error : couldn't query buffer %d", i ); + return -1; + } + x->x_pdp_buf[i] = (unsigned char *) mmap(NULL, x->x_v4l2_buf[i].length, + PROT_READ | PROT_WRITE, MAP_SHARED, + x->x_tvfd, x->x_v4l2_buf[i].m.offset); + if (MAP_FAILED == x->x_pdp_buf[i]) + { + perror("pdp_v4l2 : mmap"); + return -1; + } + } + post( "pdp_v4l2 : mapped %d buffers", x->x_reqbufs.count ); + + for (i = 0; i < WANTED_BUFFERS; i++) + { + x->x_v4l2_buf[i].type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + x->x_v4l2_buf[i].memory = V4L2_MEMORY_MMAP; + x->x_v4l2_buf[i].index = i; + + if (-1 == ioctl (x->x_tvfd, VIDIOC_QBUF, &x->x_v4l2_buf[i])) + { + perror("pdp_v4l2 : error queing buffers"); + return -1; + } + } + post( "pdp_v4l2 : queued %d buffers", x->x_reqbufs.count ); + + return 0; +} + +static void pdp_v4l2_open(t_pdp_v4l2 *x, t_symbol *name) +{ + // open a v4l device and allocate a buffer + + unsigned int size; + int i; + + unsigned int width, height; + + /* if already opened -> close */ + if (x->x_initialized) pdp_v4l2_close(x); + + /* exit if retried too much */ + if (!x->x_open_retry){ + post("pdp_v4l2: retry count reached zero for %s", name->s_name); + post("pdp_v4l2: try to open manually"); + return; + } + + post("pdp_v4l2: opening %s", name->s_name); + + x->x_device = name; + + if ((x->x_tvfd = open(name->s_name, O_RDWR)) < 0) + { + post("pdp_v4l2: error: open %s: %s",name->s_name,strerror(errno)); + perror(name->s_name); + pdp_v4l2_close_error(x); + x->x_initialized = false; + return; + } + + if (ioctl(x->x_tvfd, VIDIOC_QUERYCAP, &x->x_vcap) < 0) + { + perror("get capabilities"); + return; + } + + post("pdp_v4l2: driver info: %s %d.%d.%d / %s @ %s", + x->x_vcap.driver, (x->x_vcap.version >> 16) & 0xff, (x->x_vcap.version >> 8) & 0xff, x->x_vcap.version & 0xff, x->x_vcap.card, x->x_vcap.bus_info); + + for (x->x_ninputs = 0; x->x_ninputs < MAX_INPUT; x->x_ninputs++) { + x->x_inputs[x->x_ninputs].index = x->x_ninputs; + if (-1 == ioctl(x->x_tvfd, VIDIOC_ENUMINPUT, &x->x_inputs[x->x_ninputs], EINVAL)) + { + // perror("get inputs"); + break; + } + else + { + post ("pdp_v4l2 : input %d : %s", x->x_ninputs, x->x_inputs[x->x_ninputs].name ); + } + } + if (x->x_debug) post("pdp_v4l2: device has %d inputs", x->x_ninputs ); + + if ( x->x_ninputs > 0 ) + { + if (x->x_curinput < 0) x->x_curinput = 0; + if (x->x_curinput >= x->x_ninputs) x->x_curinput = x->x_ninputs-1; + + if (ioctl(x->x_tvfd, VIDIOC_S_INPUT, &x->x_curinput) < 0) + { + perror("pdp_v4l2: error: VIDIOC_S_INPUT"); + post("pdp_v4l2: cant switch to input %d",x->x_curinput); + } + else + { + post("pdp_v4l2: switched to input %d", x->x_curinput); + } + + if (ioctl(x->x_tvfd, VIDIOC_G_INPUT, &x->x_curinput) < 0) + { + post("pdp_v4l2: cant get current input %d",x->x_curinput); + } + else + { + post("pdp_v4l2: current input is %d",x->x_curinput); + } + } + + for (x->x_nstandards = 0; x->x_nstandards < MAX_NORM; x->x_nstandards++) { + x->x_standards[x->x_nstandards].index = x->x_nstandards; + if (-1 == ioctl(x->x_tvfd, VIDIOC_ENUMSTD, &x->x_standards[x->x_nstandards], EINVAL)) + { + // perror("get standards"); + break; + } + else + { + post ("pdp_v4l2 : standard %d : %s", x->x_nstandards, x->x_standards[x->x_nstandards].name ); + } + } + if (x->x_debug) post("pdp_v4l2: device supports %d standards", x->x_nstandards ); + + // switch to desired norm ( if available ) + if ( x->x_nstandards > 0 ) + { + if (x->x_curstandard < 0) x->x_curstandard = 0; + if (x->x_curstandard >= x->x_nstandards) x->x_curstandard = x->x_nstandards-1; + + if (ioctl(x->x_tvfd, VIDIOC_S_STD, &x->x_curstandard) < 0) + { + perror("pdp_v4l2: error: VIDIOC_S_STD"); + post("pdp_v4l2: cant switch to standard %d",x->x_curstandard); + } + else + { + post("pdp_v4l2: switched to standard %d", x->x_curstandard); + } + + if (ioctl(x->x_tvfd, VIDIOC_G_STD, &x->x_curstandard) < 0) + { + post("pdp_v4l2: cant get current standard %d",x->x_curstandard); + } + else + { + post("pdp_v4l2: current standard is %d",x->x_curstandard); + } + } + + if (x->x_freq > 0){ + if (ioctl(x->x_tvfd, VIDIOC_S_FREQUENCY, &x->x_freq) < 0) + perror ("couldn't set frequency :"); + } + + for (x->x_nformats = 0; x->x_nformats < MAX_FORMAT; x->x_nformats++) { + x->x_formats[x->x_nformats].index = x->x_nformats; + x->x_formats[x->x_nformats].type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + if (-1 == ioctl(x->x_tvfd, VIDIOC_ENUM_FMT, &x->x_formats[x->x_nformats], EINVAL)) + { + // perror("get formats"); + break; + } + else + { + post ("pdp_v4l2 : format %d : %s", x->x_nformats, x->x_formats[x->x_nformats].description ); + } + } + if (x->x_debug) post("pdp_v4l2: device supports %d formats", x->x_nformats ); + + x->x_streamparam.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + ioctl(x->x_tvfd,VIDIOC_G_PARM,&x->x_streamparam); + + /* controls */ + for (i = 0; i < MAX_CTRL; i++) { + x->x_controls[i].id = V4L2_CID_BASE+i; + if (-1 == ioctl(x->x_tvfd, VIDIOC_QUERYCTRL, &x->x_controls[i], EINVAL) || + (x->x_controls[i].flags & V4L2_CTRL_FLAG_DISABLED)) + x->x_controls[i].id = -1; + else if (x->x_debug) post( "control %d active (i:%d)", x->x_controls[i].id, i ); + } + for (i = 0; i < MAX_CTRL; i++) { + x->x_controls[i+MAX_CTRL].id = V4L2_CID_PRIVATE_BASE+i; + if (-1 == ioctl(x->x_tvfd, VIDIOC_QUERYCTRL, &x->x_controls[i+MAX_CTRL], EINVAL) || + (x->x_controls[i+MAX_CTRL].flags & V4L2_CTRL_FLAG_DISABLED)) + x->x_controls[i+MAX_CTRL].id = -1; + else if (x->x_debug) post( "control %d active (i:%d)", x->x_controls[i+MAX_CTRL].id, i ); + } + + if ( x->x_nformats > 0 ) + { + if (x->x_curformat < 0) x->x_curformat = 0; + if (x->x_curformat >= x->x_nformats) x->x_curformat = x->x_nformats-1; + + // set the first available format + if ( pdp_v4l2_set_format(x, x->x_curformat) < 0 ) + { + post( "pdp_v4l2 : couldn't set format : closing..." ); + pdp_v4l2_close_error(x); + x->x_initialized = false; + return; + } + } + else + { + post( "pdp_v4l2 : error : no available formats : closing..." ); + pdp_v4l2_close_error(x); + x->x_initialized = false; + return; + } + + if ( pdp_v4l2_init_mmap(x) < 0 ) + { + post( "pdp_v4l2 : error : couldn't initialize memory mapping : closing..." ); + pdp_v4l2_close_error(x); + x->x_initialized = false; + return; + } + + x->x_initialized=true; + post( "pdp_v4l2 : device initialized" ); + + // create thread + x->x_continue_thread = 1; + x->x_frame_ready = 0; + pthread_create(&x->x_thread_id, 0, pdp_v4l2_thread, x); + post( "pdp_v4l2 : created thread : %u", x->x_thread_id ); + +} + +static void pdp_v4l2_open_manual(t_pdp_v4l2 *x, t_symbol *name) +{ + x->x_open_retry = PDP_XV_RETRIES; + pdp_v4l2_open(x, name); +} + + +static void pdp_v4l2_input(t_pdp_v4l2 *x, t_float f) +{ + if (!x->x_initialized){ + post( "pdp_v4l2 : cannot set input : no device opened "); + return; + } + if ( ( (int)f < 0 ) || ( (int)f >= x->x_ninputs ) ) + { + post( "pdp_v4l2 : input number %d out of range", (int)f ); + return; + } + if (x->x_initialized){ + pdp_v4l2_close(x); + x->x_curinput = (int)f; + pdp_v4l2_open(x, x->x_device); + } +} + +static void pdp_v4l2_standard(t_pdp_v4l2 *x, t_float f) +{ + if (!x->x_initialized){ + post( "pdp_v4l2 : cannot set standard : no device opened "); + return; + } + if ( ( (int)f < 0 ) || ( (int)f >= x->x_nstandards ) ) + { + post( "pdp_v4l2 : standard number %d out of range", (int)f ); + return; + } + if (x->x_initialized){ + pdp_v4l2_close(x); + x->x_curstandard = (int)f; + pdp_v4l2_open(x, x->x_device); + } +} + +static void pdp_v4l2_format(t_pdp_v4l2 *x, t_float f) +{ + if (!x->x_initialized){ + post( "pdp_v4l2 : cannot set format : no device opened "); + return; + } + if ( ( (int)f < 0 ) || ( (int)f >= x->x_nformats ) ) + { + post( "pdp_v4l2 : format number %d out of range", (int)f ); + return; + } + if (x->x_initialized){ + pdp_v4l2_close(x); + x->x_curformat = (int)f; + pdp_v4l2_open(x, x->x_device); + } +} + +static void pdp_v4l2_freq(t_pdp_v4l2 *x, t_float f) +{ + if (!x->x_initialized){ + post( "pdp_v4l2 : cannot set format : no device opened "); + return; + } + x->x_freq = (int)f; + if (x->x_freq > 0) + { + if (ioctl(x->x_tvfd, VIDIOC_S_FREQUENCY, &x->x_freq) < 0) + { + perror ("couldn't set frequency :"); + } + else + { + post("pdp_v4l2: tuner frequency set to : %f MHz", f / 16.0f); + } + } +} + +static void pdp_v4l2_freqMHz(t_pdp_v4l2 *x, t_float f) +{ + pdp_v4l2_freq(x, f*16.0f); +} + + +static void pdp_v4l2_bang(t_pdp_v4l2 *x) +{ + + /* if initialized, grab a frame and output it */ + + unsigned int w,h,nbpixels,packet_size,plane1,plane2; + unsigned char *newimage=NULL; + int pdp_packt,length,pos,i,encoding; + t_pdp* header; + t_image* image; + short int * data; + + static short int gain[4] = {0x7fff, 0x7fff, 0x7fff, 0x7fff}; + + if (!(x->x_initialized)){ + post("pdp_v4l2: no device opened"); + + if (x->x_auto_open){ + post("pdp_v4l2: attempting auto open"); + pdp_v4l2_open(x, x->x_device); + if (!(x->x_initialized)){ + post("pdp_v4l2: auto open failed"); + return; + } + } + else return; + } + + /* do nothing if there is no frame ready */ + if((!x->x_frame_ready) && (x->x_only_new_frames)) return; + x->x_frame_ready = 0; + + newimage = x->x_pdp_buf[x->x_last_frame]; + + /* create new packet */ + + pdp_packt = pdp_packet_new_image(PDP_IMAGE_YV12, x->x_width, x->x_height); + header = pdp_packet_header(pdp_packt); + image = pdp_packet_image_info(pdp_packt); + + if (!header){ + post("pdp_v4l2: ERROR: can't allocate packet"); + return; + } + + data = (short int *) pdp_packet_data(pdp_packt); + + /* convert data to pdp packet */ + + switch(x->x_v4l2_format.fmt.pix.pixelformat){ + case V4L2_PIX_FMT_YUV420: + pdp_llconv(newimage, RIF_YUV__P411_U8, data, RIF_YVU__P411_S16, x->x_width, x->x_height); + break; + + /* long live standards. v4l's rgb is in fact ogl's bgr */ + case V4L2_PIX_FMT_RGB24: + pdp_llconv(newimage, RIF_BGR__P____U8, data, RIF_YVU__P411_S16, x->x_width, x->x_height); + break; + + case V4L2_PIX_FMT_RGB32: + pdp_llconv(newimage, RIF_BGRA_P____U8, data, RIF_YVU__P411_S16, x->x_width, x->x_height); + break; + + case V4L2_PIX_FMT_YUYV: + pdp_llconv(newimage, RIF_YUYV_P____U8, data, RIF_YVU__P411_S16, x->x_width, x->x_height); + break; + + case V4L2_PIX_FMT_UYVY: + pdp_llconv(newimage, RIF_UYVY_P____U8, data, RIF_YVU__P411_S16, x->x_width, x->x_height); + break; + + default: + post("pdp_v4l2: unsupported color model"); + break; + } + + pdp_packet_pass_if_valid(x->x_outlet0, &pdp_packt); + +} + + +static void pdp_v4l2_setlegaldim(t_pdp_v4l2 *x, int xx, int yy) +{ + + unsigned int w,h; + + w = pdp_imageproc_legalwidth((int)xx); + h = pdp_imageproc_legalheight((int)yy); + + w = (w < x->x_maxwidth) ? w : x->x_maxwidth; + w = (w > x->x_minwidth) ? w : x->x_minwidth; + + h = (h < x->x_maxheight) ? h : x->x_maxheight; + h = (h > x->x_minheight) ? h : x->x_minheight; + + x->x_width = w; + x->x_height = h; +} + +static void pdp_v4l2_dim(t_pdp_v4l2 *x, t_floatarg xx, t_floatarg yy) +{ + if (!x->x_initialized){ + post( "pdp_v4l2 : cannot set dim : no device opened "); + return; + } + if (x->x_initialized){ + pdp_v4l2_close(x); + pdp_v4l2_setlegaldim(x, (int)xx, (int)yy); + pdp_v4l2_open(x, x->x_device); + } +} + +static void pdp_v4l2_free(t_pdp_v4l2 *x) +{ + pdp_v4l2_close(x); +} + +t_class *pdp_v4l2_class; + +void *pdp_v4l2_new(t_symbol *vdef) +{ + t_pdp_v4l2 *x = (t_pdp_v4l2 *)pd_new(pdp_v4l2_class); + + x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); + + x->x_initialized = false; + + x->x_tvfd = -1; + x->x_ninputs = 0; + x->x_curinput = -1; + x->x_curstandard = -1; + x->x_curformat = -1; + x->x_freq = -1; + x->x_nstandards = 0; + x->x_nformats = 0; + x->x_frame = 0; + x->x_last_frame = 0; + + x->x_auto_open = true; + if (vdef != gensym("")){ + x->x_device = vdef; + } + else{ + x->x_device = gensym("/dev/video0"); + } + + x->x_continue_thread = 0; + x->x_only_new_frames = 1; + + x->x_width = 320; + x->x_height = 240; + + x->x_open_retry = PDP_XV_RETRIES; + + x->x_minwidth = pdp_imageproc_legalwidth(0); + x->x_maxwidth = pdp_imageproc_legalwidth_round_down(0x7fffffff); + x->x_minheight = pdp_imageproc_legalheight(0); + x->x_maxheight = pdp_imageproc_legalheight_round_down(0x7fffffff); + + x->x_debug = 1; + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_v4l2_setup(void) +{ + pdp_v4l2_class = class_new(gensym("pdp_v4l2"), (t_newmethod)pdp_v4l2_new, + (t_method)pdp_v4l2_free, sizeof(t_pdp_v4l2), 0, A_DEFSYMBOL, A_DEFSYMBOL, A_NULL); + + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_close_manual, gensym("close"), A_NULL); + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_open_manual, gensym("open"), A_SYMBOL, A_NULL); + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_input, gensym("input"), A_FLOAT, A_NULL); + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_format, gensym("format"), A_FLOAT, A_NULL); + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_standard, gensym("standard"), A_FLOAT, A_NULL); + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_dim, gensym("dim"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_freq, gensym("freq"), A_FLOAT, A_NULL); + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_freqMHz, gensym("freqMHz"), A_FLOAT, A_NULL); + class_addmethod(pdp_v4l2_class, (t_method)pdp_v4l2_bang, gensym("bang"), A_NULL); + +} + +#ifdef __cplusplus +} +#endif diff --git a/patches/giss-audio-mp3.pd b/patches/giss-audio-mp3.pd new file mode 100755 index 0000000..f186452 --- /dev/null +++ b/patches/giss-audio-mp3.pd @@ -0,0 +1,531 @@ +#N canvas 0 0 996 665 10; +#N canvas 0 0 999 654 streaming 0; +#X msg 277 386 disconnect; +#X floatatom 701 564 5 0 0 0 - - -; +#X text 714 584 Streaming status; +#X floatatom 216 532 13 0 0 0 - - -; +#X obj 142 366 inlet~; +#X obj 216 366 inlet~; +#X obj 786 373 loadbang; +#X msg 41 371 \; pd dsp 1; +#X obj 700 654 select 1; 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