avdevice: Add missing header for NULL_IF_CONFIG_SMALL
[libav.git] / libavdevice / libdc1394.c
1 /*
2 * IIDC1394 grab interface (uses libdc1394 and libraw1394)
3 * Copyright (c) 2004 Roman Shaposhnik
4 * Copyright (c) 2008 Alessandro Sappia
5 *
6 * This file is part of Libav.
7 *
8 * Libav is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * Libav is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "config.h"
24
25 #if HAVE_LIBDC1394_2
26 #include <dc1394/dc1394.h>
27 #elif HAVE_LIBDC1394_1
28 #include <libraw1394/raw1394.h>
29 #include <libdc1394/dc1394_control.h>
30
31 #include "libavutil/internal.h"
32 #include "libavutil/log.h"
33 #include "libavutil/mathematics.h"
34 #include "libavutil/opt.h"
35 #include "libavutil/parseutils.h"
36 #include "libavutil/pixdesc.h"
37
38 #include "libavformat/avformat.h"
39 #include "libavformat/internal.h"
40
41 #define DC1394_VIDEO_MODE_320x240_YUV422 MODE_320x240_YUV422
42 #define DC1394_VIDEO_MODE_640x480_YUV411 MODE_640x480_YUV411
43 #define DC1394_VIDEO_MODE_640x480_YUV422 MODE_640x480_YUV422
44 #define DC1394_FRAMERATE_1_875 FRAMERATE_1_875
45 #define DC1394_FRAMERATE_3_75 FRAMERATE_3_75
46 #define DC1394_FRAMERATE_7_5 FRAMERATE_7_5
47 #define DC1394_FRAMERATE_15 FRAMERATE_15
48 #define DC1394_FRAMERATE_30 FRAMERATE_30
49 #define DC1394_FRAMERATE_60 FRAMERATE_60
50 #define DC1394_FRAMERATE_120 FRAMERATE_120
51 #define DC1394_FRAMERATE_240 FRAMERATE_240
52 #endif
53
54 typedef struct dc1394_data {
55 AVClass *class;
56 #if HAVE_LIBDC1394_1
57 raw1394handle_t handle;
58 dc1394_cameracapture camera;
59 int channel;
60 #elif HAVE_LIBDC1394_2
61 dc1394_t *d;
62 dc1394camera_t *camera;
63 dc1394video_frame_t *frame;
64 #endif
65 int current_frame;
66 int frame_rate; /**< frames per 1000 seconds (fps * 1000) */
67 char *video_size; /**< String describing video size, set by a private option. */
68 char *pixel_format; /**< Set by a private option. */
69 char *framerate; /**< Set by a private option. */
70
71 AVPacket packet;
72 } dc1394_data;
73
74 struct dc1394_frame_format {
75 int width;
76 int height;
77 enum AVPixelFormat pix_fmt;
78 int frame_size_id;
79 } dc1394_frame_formats[] = {
80 { 320, 240, AV_PIX_FMT_UYVY422, DC1394_VIDEO_MODE_320x240_YUV422 },
81 { 640, 480, AV_PIX_FMT_GRAY8, DC1394_VIDEO_MODE_640x480_MONO8 },
82 { 640, 480, AV_PIX_FMT_UYYVYY411, DC1394_VIDEO_MODE_640x480_YUV411 },
83 { 640, 480, AV_PIX_FMT_UYVY422, DC1394_VIDEO_MODE_640x480_YUV422 },
84 { 0, 0, 0, 0 } /* gotta be the last one */
85 };
86
87 struct dc1394_frame_rate {
88 int frame_rate;
89 int frame_rate_id;
90 } dc1394_frame_rates[] = {
91 { 1875, DC1394_FRAMERATE_1_875 },
92 { 3750, DC1394_FRAMERATE_3_75 },
93 { 7500, DC1394_FRAMERATE_7_5 },
94 { 15000, DC1394_FRAMERATE_15 },
95 { 30000, DC1394_FRAMERATE_30 },
96 { 60000, DC1394_FRAMERATE_60 },
97 {120000, DC1394_FRAMERATE_120 },
98 {240000, DC1394_FRAMERATE_240 },
99 { 0, 0 } /* gotta be the last one */
100 };
101
102 #define OFFSET(x) offsetof(dc1394_data, x)
103 #define DEC AV_OPT_FLAG_DECODING_PARAM
104 static const AVOption options[] = {
105 #if HAVE_LIBDC1394_1
106 { "channel", "", offsetof(dc1394_data, channel), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
107 #endif
108 { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = "qvga"}, 0, 0, DEC },
109 { "pixel_format", "", OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = "uyvy422"}, 0, 0, DEC },
110 { "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "ntsc"}, 0, 0, DEC },
111 { NULL },
112 };
113
114 static const AVClass libdc1394_class = {
115 .class_name = "libdc1394 indev",
116 .item_name = av_default_item_name,
117 .option = options,
118 .version = LIBAVUTIL_VERSION_INT,
119 };
120
121
122 static inline int dc1394_read_common(AVFormatContext *c,
123 struct dc1394_frame_format **select_fmt, struct dc1394_frame_rate **select_fps)
124 {
125 dc1394_data* dc1394 = c->priv_data;
126 AVStream* vst;
127 struct dc1394_frame_format *fmt;
128 struct dc1394_frame_rate *fps;
129 enum AVPixelFormat pix_fmt;
130 int width, height;
131 AVRational framerate;
132 int ret = 0;
133
134 if ((pix_fmt = av_get_pix_fmt(dc1394->pixel_format)) == AV_PIX_FMT_NONE) {
135 av_log(c, AV_LOG_ERROR, "No such pixel format: %s.\n", dc1394->pixel_format);
136 ret = AVERROR(EINVAL);
137 goto out;
138 }
139
140 if ((ret = av_parse_video_size(&width, &height, dc1394->video_size)) < 0) {
141 av_log(c, AV_LOG_ERROR, "Could not parse video size '%s'.\n", dc1394->video_size);
142 goto out;
143 }
144 if ((ret = av_parse_video_rate(&framerate, dc1394->framerate)) < 0) {
145 av_log(c, AV_LOG_ERROR, "Could not parse framerate '%s'.\n", dc1394->framerate);
146 goto out;
147 }
148 dc1394->frame_rate = av_rescale(1000, framerate.num, framerate.den);
149
150 for (fmt = dc1394_frame_formats; fmt->width; fmt++)
151 if (fmt->pix_fmt == pix_fmt && fmt->width == width && fmt->height == height)
152 break;
153
154 for (fps = dc1394_frame_rates; fps->frame_rate; fps++)
155 if (fps->frame_rate == dc1394->frame_rate)
156 break;
157
158 if (!fps->frame_rate || !fmt->width) {
159 av_log(c, AV_LOG_ERROR, "Can't find matching camera format for %s, %dx%d@%d:1000fps\n", av_get_pix_fmt_name(pix_fmt),
160 width, height, dc1394->frame_rate);
161 ret = AVERROR(EINVAL);
162 goto out;
163 }
164
165 /* create a video stream */
166 vst = avformat_new_stream(c, NULL);
167 if (!vst) {
168 ret = AVERROR(ENOMEM);
169 goto out;
170 }
171 avpriv_set_pts_info(vst, 64, 1, 1000);
172 vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
173 vst->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
174 vst->codec->time_base.den = framerate.num;
175 vst->codec->time_base.num = framerate.den;
176 vst->codec->width = fmt->width;
177 vst->codec->height = fmt->height;
178 vst->codec->pix_fmt = fmt->pix_fmt;
179
180 /* packet init */
181 av_init_packet(&dc1394->packet);
182 dc1394->packet.size = avpicture_get_size(fmt->pix_fmt, fmt->width, fmt->height);
183 dc1394->packet.stream_index = vst->index;
184 dc1394->packet.flags |= AV_PKT_FLAG_KEY;
185
186 dc1394->current_frame = 0;
187
188 vst->codec->bit_rate = av_rescale(dc1394->packet.size * 8, fps->frame_rate, 1000);
189 *select_fps = fps;
190 *select_fmt = fmt;
191 out:
192 return ret;
193 }
194
195 #if HAVE_LIBDC1394_1
196 static int dc1394_v1_read_header(AVFormatContext *c)
197 {
198 dc1394_data* dc1394 = c->priv_data;
199 AVStream* vst;
200 nodeid_t* camera_nodes;
201 int res;
202 struct dc1394_frame_format *fmt = NULL;
203 struct dc1394_frame_rate *fps = NULL;
204
205 if (dc1394_read_common(c, &fmt, &fps) != 0)
206 return -1;
207
208 /* Now let us prep the hardware. */
209 dc1394->handle = dc1394_create_handle(0); /* FIXME: gotta have ap->port */
210 if (!dc1394->handle) {
211 av_log(c, AV_LOG_ERROR, "Can't acquire dc1394 handle on port %d\n", 0 /* ap->port */);
212 goto out;
213 }
214 camera_nodes = dc1394_get_camera_nodes(dc1394->handle, &res, 1);
215 if (!camera_nodes || camera_nodes[dc1394->channel] == DC1394_NO_CAMERA) {
216 av_log(c, AV_LOG_ERROR, "There's no IIDC camera on the channel %d\n", dc1394->channel);
217 goto out_handle;
218 }
219 res = dc1394_dma_setup_capture(dc1394->handle, camera_nodes[dc1394->channel],
220 0,
221 FORMAT_VGA_NONCOMPRESSED,
222 fmt->frame_size_id,
223 SPEED_400,
224 fps->frame_rate_id, 8, 1,
225 c->filename,
226 &dc1394->camera);
227 dc1394_free_camera_nodes(camera_nodes);
228 if (res != DC1394_SUCCESS) {
229 av_log(c, AV_LOG_ERROR, "Can't prepare camera for the DMA capture\n");
230 goto out_handle;
231 }
232
233 res = dc1394_start_iso_transmission(dc1394->handle, dc1394->camera.node);
234 if (res != DC1394_SUCCESS) {
235 av_log(c, AV_LOG_ERROR, "Can't start isochronous transmission\n");
236 goto out_handle_dma;
237 }
238
239 return 0;
240
241 out_handle_dma:
242 dc1394_dma_unlisten(dc1394->handle, &dc1394->camera);
243 dc1394_dma_release_camera(dc1394->handle, &dc1394->camera);
244 out_handle:
245 dc1394_destroy_handle(dc1394->handle);
246 out:
247 return -1;
248 }
249
250 static int dc1394_v1_read_packet(AVFormatContext *c, AVPacket *pkt)
251 {
252 struct dc1394_data *dc1394 = c->priv_data;
253 int res;
254
255 /* discard stale frame */
256 if (dc1394->current_frame++) {
257 if (dc1394_dma_done_with_buffer(&dc1394->camera) != DC1394_SUCCESS)
258 av_log(c, AV_LOG_ERROR, "failed to release %d frame\n", dc1394->current_frame);
259 }
260
261 res = dc1394_dma_single_capture(&dc1394->camera);
262
263 if (res == DC1394_SUCCESS) {
264 dc1394->packet.data = (uint8_t *)(dc1394->camera.capture_buffer);
265 dc1394->packet.pts = (dc1394->current_frame * 1000000) / dc1394->frame_rate;
266 res = dc1394->packet.size;
267 } else {
268 av_log(c, AV_LOG_ERROR, "DMA capture failed\n");
269 dc1394->packet.data = NULL;
270 res = -1;
271 }
272
273 *pkt = dc1394->packet;
274 return res;
275 }
276
277 static int dc1394_v1_close(AVFormatContext * context)
278 {
279 struct dc1394_data *dc1394 = context->priv_data;
280
281 dc1394_stop_iso_transmission(dc1394->handle, dc1394->camera.node);
282 dc1394_dma_unlisten(dc1394->handle, &dc1394->camera);
283 dc1394_dma_release_camera(dc1394->handle, &dc1394->camera);
284 dc1394_destroy_handle(dc1394->handle);
285
286 return 0;
287 }
288
289 #elif HAVE_LIBDC1394_2
290 static int dc1394_v2_read_header(AVFormatContext *c)
291 {
292 dc1394_data* dc1394 = c->priv_data;
293 dc1394camera_list_t *list;
294 int res, i;
295 struct dc1394_frame_format *fmt = NULL;
296 struct dc1394_frame_rate *fps = NULL;
297
298 if (dc1394_read_common(c, &fmt, &fps) != 0)
299 return -1;
300
301 /* Now let us prep the hardware. */
302 dc1394->d = dc1394_new();
303 dc1394_camera_enumerate (dc1394->d, &list);
304 if ( !list || list->num == 0) {
305 av_log(c, AV_LOG_ERROR, "Unable to look for an IIDC camera\n\n");
306 goto out;
307 }
308
309 /* FIXME: To select a specific camera I need to search in list its guid */
310 dc1394->camera = dc1394_camera_new (dc1394->d, list->ids[0].guid);
311 if (list->num > 1) {
312 av_log(c, AV_LOG_INFO, "Working with the first camera found\n");
313 }
314
315 /* Freeing list of cameras */
316 dc1394_camera_free_list (list);
317
318 /* Select MAX Speed possible from the cam */
319 if (dc1394->camera->bmode_capable>0) {
320 dc1394_video_set_operation_mode(dc1394->camera, DC1394_OPERATION_MODE_1394B);
321 i = DC1394_ISO_SPEED_800;
322 } else {
323 i = DC1394_ISO_SPEED_400;
324 }
325
326 for (res = DC1394_FAILURE; i >= DC1394_ISO_SPEED_MIN && res != DC1394_SUCCESS; i--) {
327 res=dc1394_video_set_iso_speed(dc1394->camera, i);
328 }
329 if (res != DC1394_SUCCESS) {
330 av_log(c, AV_LOG_ERROR, "Couldn't set ISO Speed\n");
331 goto out_camera;
332 }
333
334 if (dc1394_video_set_mode(dc1394->camera, fmt->frame_size_id) != DC1394_SUCCESS) {
335 av_log(c, AV_LOG_ERROR, "Couldn't set video format\n");
336 goto out_camera;
337 }
338
339 if (dc1394_video_set_framerate(dc1394->camera,fps->frame_rate_id) != DC1394_SUCCESS) {
340 av_log(c, AV_LOG_ERROR, "Couldn't set framerate %d \n",fps->frame_rate);
341 goto out_camera;
342 }
343 if (dc1394_capture_setup(dc1394->camera, 10, DC1394_CAPTURE_FLAGS_DEFAULT)!=DC1394_SUCCESS) {
344 av_log(c, AV_LOG_ERROR, "Cannot setup camera \n");
345 goto out_camera;
346 }
347
348 if (dc1394_video_set_transmission(dc1394->camera, DC1394_ON) !=DC1394_SUCCESS) {
349 av_log(c, AV_LOG_ERROR, "Cannot start capture\n");
350 goto out_camera;
351 }
352 return 0;
353
354 out_camera:
355 dc1394_capture_stop(dc1394->camera);
356 dc1394_video_set_transmission(dc1394->camera, DC1394_OFF);
357 dc1394_camera_free (dc1394->camera);
358 out:
359 dc1394_free(dc1394->d);
360 return -1;
361 }
362
363 static int dc1394_v2_read_packet(AVFormatContext *c, AVPacket *pkt)
364 {
365 struct dc1394_data *dc1394 = c->priv_data;
366 int res;
367
368 /* discard stale frame */
369 if (dc1394->current_frame++) {
370 if (dc1394_capture_enqueue(dc1394->camera, dc1394->frame) != DC1394_SUCCESS)
371 av_log(c, AV_LOG_ERROR, "failed to release %d frame\n", dc1394->current_frame);
372 }
373
374 res = dc1394_capture_dequeue(dc1394->camera, DC1394_CAPTURE_POLICY_WAIT, &dc1394->frame);
375 if (res == DC1394_SUCCESS) {
376 dc1394->packet.data = (uint8_t *) dc1394->frame->image;
377 dc1394->packet.pts = dc1394->current_frame * 1000000 / dc1394->frame_rate;
378 res = dc1394->frame->image_bytes;
379 } else {
380 av_log(c, AV_LOG_ERROR, "DMA capture failed\n");
381 dc1394->packet.data = NULL;
382 res = -1;
383 }
384
385 *pkt = dc1394->packet;
386 return res;
387 }
388
389 static int dc1394_v2_close(AVFormatContext * context)
390 {
391 struct dc1394_data *dc1394 = context->priv_data;
392
393 dc1394_video_set_transmission(dc1394->camera, DC1394_OFF);
394 dc1394_capture_stop(dc1394->camera);
395 dc1394_camera_free(dc1394->camera);
396 dc1394_free(dc1394->d);
397
398 return 0;
399 }
400
401 AVInputFormat ff_libdc1394_demuxer = {
402 .name = "libdc1394",
403 .long_name = NULL_IF_CONFIG_SMALL("dc1394 v.2 A/V grab"),
404 .priv_data_size = sizeof(struct dc1394_data),
405 .read_header = dc1394_v2_read_header,
406 .read_packet = dc1394_v2_read_packet,
407 .read_close = dc1394_v2_close,
408 .flags = AVFMT_NOFILE,
409 .priv_class = &libdc1394_class,
410 };
411
412 #endif
413 #if HAVE_LIBDC1394_1
414 AVInputFormat ff_libdc1394_demuxer = {
415 .name = "libdc1394",
416 .long_name = NULL_IF_CONFIG_SMALL("dc1394 v.1 A/V grab"),
417 .priv_data_size = sizeof(struct dc1394_data),
418 .read_header = dc1394_v1_read_header,
419 .read_packet = dc1394_v1_read_packet,
420 .read_close = dc1394_v1_close,
421 .flags = AVFMT_NOFILE,
422 .priv_class = &libdc1394_class,
423 };
424 #endif