FFmpeg: libavfilter/src_movie.c Source File

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libavfilter

src_movie.c

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1 /*

4 *

5 * This file is part of FFmpeg.

6 *

7 * FFmpeg is free software; you can redistribute it and/or

8 * modify it under the terms of the GNU Lesser General Public

9 * License as published by the Free Software Foundation; either

10 * version 2.1 of the License, or (at your option) any later version.

11 *

12 * FFmpeg is distributed in the hope that it will be useful,

13 * but WITHOUT ANY WARRANTY; without even the implied warranty of

14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

15 * Lesser General Public License for more details.

16 *

17 * You should have received a copy of the GNU Lesser General Public

18 * License along with FFmpeg; if not, write to the Free Software

19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

20 */

22 /**

23 * @file

24 * movie video source

25 *

26 * @todo use direct rendering (no allocation of a new frame)

27 * @todo support a PTS correction mechanism

28 */

30 /* #define DEBUG */

32 #include <float.h>

33 #include "libavutil/avstring.h"

34 #include "libavutil/avassert.h"

35 #include "libavutil/opt.h"

36 #include "libavutil/imgutils.h"

37 #include "libavutil/timestamp.h"

38 #include "libavformat/avformat.h"

39 #include "audio.h"

40 #include "avcodec.h"

41 #include "avfilter.h"

42 #include "formats.h"

43 #include "internal.h"

44 #include "video.h"

46 typedef struct {

47 AVStream *st;

48 int done;

49 } MovieStream;

51 typedef struct {

52 /* common A/V fields */

53 const AVClass *class;

54 int64_t seek_point; ///< seekpoint in microseconds

55 double seek_point_d;

56 char *format_name;

57 char *file_name;

58 char *stream_specs; /**< user-provided list of streams, separated by + */

59 int stream_index; /**< for compatibility */

60 int loop_count;

62 AVFormatContext *format_ctx;

63 int eof;

64 AVPacket pkt, pkt0;

65 AVFrame *frame; ///< video frame to store the decoded images in

67 int max_stream_index; /**< max stream # actually used for output */

68 MovieStream *st; /**< array of all streams, one per output */

69 int *out_index; /**< stream number -> output number map, or -1 */

70 } MovieContext;

72 #define OFFSET(x) offsetof(MovieContext, x)

73 #define F AV_OPT_FLAG_FILTERING_PARAM

75 static const AVOption movie_options[]= {

76 {"format_name", "set format name", OFFSET(format_name), AV_OPT_TYPE_STRING, {.str = 0}, CHAR_MIN, CHAR_MAX, F },

77 {"f", "set format name", OFFSET(format_name), AV_OPT_TYPE_STRING, {.str = 0}, CHAR_MIN, CHAR_MAX, F },

78 {"streams", "set streams", OFFSET(stream_specs), AV_OPT_TYPE_STRING, {.str = 0}, CHAR_MAX, CHAR_MAX, F },

79 {"s", "set streams", OFFSET(stream_specs), AV_OPT_TYPE_STRING, {.str = 0}, CHAR_MAX, CHAR_MAX, F },

80 {"si", "set stream index", OFFSET(stream_index), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, F },

81 {"stream_index", "set stream index", OFFSET(stream_index), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, F },

82 {"seek_point", "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, {.dbl = 0}, 0, (INT64_MAX-1) / 1000000, F },

83 {"sp", "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, {.dbl = 0}, 0, (INT64_MAX-1) / 1000000, F },

84 {"loop", "set loop count", OFFSET(loop_count), AV_OPT_TYPE_INT, {.i64 = 1}, 0, INT_MAX, F },

85 {NULL},

86 };

88 static int movie_config_output_props(AVFilterLink *outlink);

89 static int movie_request_frame(AVFilterLink *outlink);

91 static AVStream *find_stream(void *log, AVFormatContext *avf, const char *spec)

92 {

93 int i, ret, already = 0, stream_id = -1;

94 char type_char[2], dummy;

95 AVStream *found = NULL;

96 enum AVMediaType type;

98 ret = sscanf(spec, "d%1[av]%d%c", type_char, &stream_id, &dummy);

99 if (ret >= 1 && ret <= 2) {

100 type = type_char[0] == 'v' ? AVMEDIA_TYPE_VIDEO : AVMEDIA_TYPE_AUDIO;

101 ret = av_find_best_stream(avf, type, stream_id, -1, NULL, 0);

102 if (ret < 0) {

103 av_log(log, AV_LOG_ERROR, "No %s stream with index '%d' found\n",

104 av_get_media_type_string(type), stream_id);

105 return NULL;

106 }

107 return avf->streams[ret];

108 }

109 for (i = 0; i < avf->nb_streams; i++) {

110 ret = avformat_match_stream_specifier(avf, avf->streams[i], spec);

111 if (ret < 0) {

112 av_log(log, AV_LOG_ERROR,

113 "Invalid stream specifier \"%s\"\n", spec);

114 return NULL;

115 }

116 if (!ret)

117 continue;

118 if (avf->streams[i]->discard != AVDISCARD_ALL) {

119 already++;

120 continue;

121 }

122 if (found) {

123 av_log(log, AV_LOG_WARNING,

124 "Ambiguous stream specifier \"%s\", using #%d\n", spec, i);

125 break;

126 }

127 found = avf->streams[i];

128 }

129 if (!found) {

130 av_log(log, AV_LOG_WARNING, "Stream specifier \"%s\" %s\n", spec,

131 already ? "matched only already used streams" :

132 "did not match any stream");

133 return NULL;

134 }

135 if (found->codec->codec_type != AVMEDIA_TYPE_VIDEO &&

136 found->codec->codec_type != AVMEDIA_TYPE_AUDIO) {

137 av_log(log, AV_LOG_ERROR, "Stream specifier \"%s\" matched a %s stream,"

138 "currently unsupported by libavfilter\n", spec,

139 av_get_media_type_string(found->codec->codec_type));

140 return NULL;

141 }

142 return found;

143 }

144

145 static int open_stream(void *log, MovieStream *st)

146 {

147 AVCodec *codec;

148 int ret;

149

150 codec = avcodec_find_decoder(st->st->codec->codec_id);

151 if (!codec) {

152 av_log(log, AV_LOG_ERROR, "Failed to find any codec\n");

153 return AVERROR(EINVAL);

154 }

155

156 if ((ret = avcodec_open2(st->st->codec, codec, NULL)) < 0) {

157 av_log(log, AV_LOG_ERROR, "Failed to open codec\n");

158 return ret;

159 }

160

161 return 0;

162 }

163

164 static int guess_channel_layout(MovieStream *st, int st_index, void *log_ctx)

165 {

166 AVCodecContext *dec_ctx = st->st->codec;

167 char buf[256];

168 int64_t chl = av_get_default_channel_layout(dec_ctx->channels);

169

170 if (!chl) {

171 av_log(log_ctx, AV_LOG_ERROR,

172 "Channel layout is not set in stream %d, and could not "

173 "be guessed from the number of channels (%d)\n",

174 st_index, dec_ctx->channels);

175 return AVERROR(EINVAL);

176 }

177

178 av_get_channel_layout_string(buf, sizeof(buf), dec_ctx->channels, chl);

179 av_log(log_ctx, AV_LOG_WARNING,

180 "Channel layout is not set in output stream %d, "

181 "guessed channel layout is '%s'\n",

182 st_index, buf);

183 dec_ctx->channel_layout = chl;

184 return 0;

185 }

186

187 static av_cold int movie_common_init(AVFilterContext *ctx, const char *args, const AVClass *class)

188 {

189 MovieContext *movie = ctx->priv;

190 AVInputFormat *iformat = NULL;

191 int64_t timestamp;

192 int nb_streams, ret, i;

193 char default_streams[16], *stream_specs, *spec, *cursor;

194 char name[16];

195 AVStream *st;

196

197 movie->class = class;

198 av_opt_set_defaults(movie);

199

200 if (args) {

201 movie->file_name = av_get_token(&args, ":");

202 if (!movie->file_name)

203 return AVERROR(ENOMEM);

204 }

205 if (!args || !*movie->file_name) {

206 av_log(ctx, AV_LOG_ERROR, "No filename provided!\n");

207 return AVERROR(EINVAL);

208 }

209

210 if (*args++ == ':' && (ret = av_set_options_string(movie, args, "=", ":")) < 0)

211 return ret;

212

213 movie->seek_point = movie->seek_point_d * 1000000 + 0.5;

214

215 stream_specs = movie->stream_specs;

216 if (!stream_specs) {

217 snprintf(default_streams, sizeof(default_streams), "d%c%d",

218 !strcmp(ctx->filter->name, "amovie") ? 'a' : 'v',

219 movie->stream_index);

220 stream_specs = default_streams;

221 }

222 for (cursor = stream_specs, nb_streams = 1; *cursor; cursor++)

223 if (*cursor == '+')

224 nb_streams++;

225

226 if (movie->loop_count != 1 && nb_streams != 1) {

227 av_log(ctx, AV_LOG_ERROR,

228 "Loop with several streams is currently unsupported\n");

229 return AVERROR_PATCHWELCOME;

230 }

231

232 av_register_all();

233

234 // Try to find the movie format (container)

235 iformat = movie->format_name ? av_find_input_format(movie->format_name) : NULL;

236

237 movie->format_ctx = NULL;

238 if ((ret = avformat_open_input(&movie->format_ctx, movie->file_name, iformat, NULL)) < 0) {

239 av_log(ctx, AV_LOG_ERROR,

240 "Failed to avformat_open_input '%s'\n", movie->file_name);

241 return ret;

242 }

243 if ((ret = avformat_find_stream_info(movie->format_ctx, NULL)) < 0)

244 av_log(ctx, AV_LOG_WARNING, "Failed to find stream info\n");

245

246 // if seeking requested, we execute it

247 if (movie->seek_point > 0) {

248 timestamp = movie->seek_point;

249 // add the stream start time, should it exist

250 if (movie->format_ctx->start_time != AV_NOPTS_VALUE) {

251 if (timestamp > INT64_MAX - movie->format_ctx->start_time) {

252 av_log(ctx, AV_LOG_ERROR,

253 "%s: seek value overflow with start_time:%"PRId64" seek_point:%"PRId64"\n",

254 movie->file_name, movie->format_ctx->start_time, movie->seek_point);

255 return AVERROR(EINVAL);

256 }

257 timestamp += movie->format_ctx->start_time;

258 }

259 if ((ret = av_seek_frame(movie->format_ctx, -1, timestamp, AVSEEK_FLAG_BACKWARD)) < 0) {

260 av_log(ctx, AV_LOG_ERROR, "%s: could not seek to position %"PRId64"\n",

261 movie->file_name, timestamp);

262 return ret;

263 }

264 }

265

266 for (i = 0; i < movie->format_ctx->nb_streams; i++)

267 movie->format_ctx->streams[i]->discard = AVDISCARD_ALL;

268

269 movie->st = av_calloc(nb_streams, sizeof(*movie->st));

270 if (!movie->st)

271 return AVERROR(ENOMEM);

272

273 for (i = 0; i < nb_streams; i++) {

274 spec = av_strtok(stream_specs, "+", &cursor);

275 if (!spec)

276 return AVERROR_BUG;

277 stream_specs = NULL; /* for next strtok */

278 st = find_stream(ctx, movie->format_ctx, spec);

279 if (!st)

280 return AVERROR(EINVAL);

281 st->discard = AVDISCARD_DEFAULT;

282 movie->st[i].st = st;

283 movie->max_stream_index = FFMAX(movie->max_stream_index, st->index);

284 }

285 if (av_strtok(NULL, "+", &cursor))

286 return AVERROR_BUG;

287

288 movie->out_index = av_calloc(movie->max_stream_index + 1,

289 sizeof(*movie->out_index));

290 if (!movie->out_index)

291 return AVERROR(ENOMEM);

292 for (i = 0; i <= movie->max_stream_index; i++)

293 movie->out_index[i] = -1;

294 for (i = 0; i < nb_streams; i++)

295 movie->out_index[movie->st[i].st->index] = i;

296

297 for (i = 0; i < nb_streams; i++) {

298 AVFilterPad pad = { 0 };

299 snprintf(name, sizeof(name), "out%d", i);

300 pad.type = movie->st[i].st->codec->codec_type;

301 pad.name = av_strdup(name);

302 pad.config_props = movie_config_output_props;

303 pad.request_frame = movie_request_frame;

304 ff_insert_outpad(ctx, i, &pad);

305 ret = open_stream(ctx, &movie->st[i]);

306 if (ret < 0)

307 return ret;

308 if ( movie->st[i].st->codec->codec->type == AVMEDIA_TYPE_AUDIO &&

309 !movie->st[i].st->codec->channel_layout) {

310 ret = guess_channel_layout(&movie->st[i], i, ctx);

311 if (ret < 0)

312 return ret;

313 }

314 }

315

316 if (!(movie->frame = avcodec_alloc_frame()) ) {

317 av_log(log, AV_LOG_ERROR, "Failed to alloc frame\n");

318 return AVERROR(ENOMEM);

319 }

320

321 av_log(ctx, AV_LOG_VERBOSE, "seek_point:%"PRIi64" format_name:%s file_name:%s stream_index:%d\n",

322 movie->seek_point, movie->format_name, movie->file_name,

323 movie->stream_index);

324

325 return 0;

326 }

327

328 static av_cold void movie_uninit(AVFilterContext *ctx)

329 {

330 MovieContext *movie = ctx->priv;

331 int i;

332

333 for (i = 0; i < ctx->nb_outputs; i++) {

334 av_freep(&ctx->output_pads[i].name);

335 if (movie->st[i].st)

336 avcodec_close(movie->st[i].st->codec);

337 }

338 av_opt_free(movie);

339 av_freep(&movie->file_name);

340 av_freep(&movie->st);

341 av_freep(&movie->out_index);

342 avcodec_free_frame(&movie->frame);

343 if (movie->format_ctx)

344 avformat_close_input(&movie->format_ctx);

345 }

346

347 static int movie_query_formats(AVFilterContext *ctx)

348 {

349 MovieContext *movie = ctx->priv;

350 int list[] = { 0, -1 };

351 int64_t list64[] = { 0, -1 };

352 int i;

353

354 for (i = 0; i < ctx->nb_outputs; i++) {

355 MovieStream *st = &movie->st[i];

356 AVCodecContext *c = st->st->codec;

357 AVFilterLink *outlink = ctx->outputs[i];

358

359 switch (c->codec_type) {

360 case AVMEDIA_TYPE_VIDEO:

361 list[0] = c->pix_fmt;

362 ff_formats_ref(ff_make_format_list(list), &outlink->in_formats);

363 break;

364 case AVMEDIA_TYPE_AUDIO:

365 list[0] = c->sample_fmt;

366 ff_formats_ref(ff_make_format_list(list), &outlink->in_formats);

367 list[0] = c->sample_rate;

368 ff_formats_ref(ff_make_format_list(list), &outlink->in_samplerates);

369 list64[0] = c->channel_layout;

370 ff_channel_layouts_ref(avfilter_make_format64_list(list64),

371 &outlink->in_channel_layouts);

372 break;

373 }

374 }

375

376 return 0;

377 }

378

379 static int movie_config_output_props(AVFilterLink *outlink)

380 {

381 AVFilterContext *ctx = outlink->src;

382 MovieContext *movie = ctx->priv;

383 unsigned out_id = FF_OUTLINK_IDX(outlink);

384 MovieStream *st = &movie->st[out_id];

385 AVCodecContext *c = st->st->codec;

386

387 outlink->time_base = st->st->time_base;

388

389 switch (c->codec_type) {

390 case AVMEDIA_TYPE_VIDEO:

391 outlink->w = c->width;

392 outlink->h = c->height;

393 outlink->frame_rate = st->st->r_frame_rate;

394 break;

395 case AVMEDIA_TYPE_AUDIO:

396 break;

397 }

398

399 return 0;

400 }

401

402 static AVFilterBufferRef *frame_to_buf(enum AVMediaType type, AVFrame *frame,

403 AVFilterLink *outlink)

404 {

405 AVFilterBufferRef *buf, *copy;

406

407 buf = avfilter_get_buffer_ref_from_frame(type, frame,

408 AV_PERM_WRITE |

409 AV_PERM_PRESERVE |

410 AV_PERM_REUSE2);

411 if (!buf)

412 return NULL;

413 buf->pts = av_frame_get_best_effort_timestamp(frame);

414 copy = ff_copy_buffer_ref(outlink, buf);

415 if (!copy)

416 return NULL;

417 buf->buf->data[0] = NULL; /* it belongs to the frame */

418 avfilter_unref_buffer(buf);

419 return copy;

420 }

421

422 static char *describe_bufref_to_str(char *dst, size_t dst_size,

423 AVFilterBufferRef *buf,

424 AVFilterLink *link)

425 {

426 switch (buf->type) {

427 case AVMEDIA_TYPE_VIDEO:

428 snprintf(dst, dst_size,

429 "video pts:%s time:%s pos:%"PRId64" size:%dx%d aspect:%d/%d",

430 av_ts2str(buf->pts), av_ts2timestr(buf->pts, &link->time_base),

431 buf->pos, buf->video->w, buf->video->h,

432 buf->video->sample_aspect_ratio.num,

433 buf->video->sample_aspect_ratio.den);

434 break;

435 case AVMEDIA_TYPE_AUDIO:

436 snprintf(dst, dst_size,

437 "audio pts:%s time:%s pos:%"PRId64" samples:%d",

438 av_ts2str(buf->pts), av_ts2timestr(buf->pts, &link->time_base),

439 buf->pos, buf->audio->nb_samples);

440 break;

441 default:

442 snprintf(dst, dst_size, "%s BUG", av_get_media_type_string(buf->type));

443 break;

444 }

445 return dst;

446 }

447

448 #define describe_bufref(buf, link) \

449 describe_bufref_to_str((char[1024]){0}, 1024, buf, link)

450

451 static int rewind_file(AVFilterContext *ctx)

452 {

453 MovieContext *movie = ctx->priv;

454 int64_t timestamp = movie->seek_point;

455 int ret, i;

456

457 if (movie->format_ctx->start_time != AV_NOPTS_VALUE)

458 timestamp += movie->format_ctx->start_time;

459 ret = av_seek_frame(movie->format_ctx, -1, timestamp, AVSEEK_FLAG_BACKWARD);

460 if (ret < 0) {

461 av_log(ctx, AV_LOG_ERROR, "Unable to loop: %s\n", av_err2str(ret));

462 movie->loop_count = 1; /* do not try again */

463 return ret;

464 }

465

466 for (i = 0; i < ctx->nb_outputs; i++) {

467 avcodec_flush_buffers(movie->st[i].st->codec);

468 movie->st[i].done = 0;

469 }

470 movie->eof = 0;

471 return 0;

472 }

473

474 /**

475 * Try to push a frame to the requested output.

476 *

477 * @param ctx filter context

478 * @param out_id number of output where a frame is wanted;

479 * if the frame is read from file, used to set the return value;

480 * if the codec is being flushed, flush the corresponding stream

481 * @return 1 if a frame was pushed on the requested output,

482 * 0 if another attempt is possible,

483 * <0 AVERROR code

484 */

485 static int movie_push_frame(AVFilterContext *ctx, unsigned out_id)

486 {

487 MovieContext *movie = ctx->priv;

488 AVPacket *pkt = &movie->pkt;

489 MovieStream *st;

490 int ret, got_frame = 0, pkt_out_id;

491 AVFilterLink *outlink;

492 AVFilterBufferRef *buf;

493

494 if (!pkt->size) {

495 if (movie->eof) {

496 if (movie->st[out_id].done) {

497 if (movie->loop_count != 1) {

498 ret = rewind_file(ctx);

499 if (ret < 0)

500 return ret;

501 movie->loop_count -= movie->loop_count > 1;

502 av_log(ctx, AV_LOG_VERBOSE, "Stream finished, looping.\n");

503 return 0; /* retry */

504 }

505 return AVERROR_EOF;

506 }

507 pkt->stream_index = movie->st[out_id].st->index;

508 /* packet is already ready for flushing */

509 } else {

510 ret = av_read_frame(movie->format_ctx, &movie->pkt0);

511 if (ret < 0) {

512 av_init_packet(&movie->pkt0); /* ready for flushing */

513 *pkt = movie->pkt0;

514 if (ret == AVERROR_EOF) {

515 movie->eof = 1;

516 return 0; /* start flushing */

517 }

518 return ret;

519 }

520 *pkt = movie->pkt0;

521 }

522 }

523

524 pkt_out_id = pkt->stream_index > movie->max_stream_index ? -1 :

525 movie->out_index[pkt->stream_index];

526 if (pkt_out_id < 0) {

527 av_free_packet(&movie->pkt0);

528 pkt->size = 0; /* ready for next run */

529 pkt->data = NULL;

530 return 0;

531 }

532 st = &movie->st[pkt_out_id];

533 outlink = ctx->outputs[pkt_out_id];

534

535 switch (st->st->codec->codec_type) {

536 case AVMEDIA_TYPE_VIDEO:

537 ret = avcodec_decode_video2(st->st->codec, movie->frame, &got_frame, pkt);

538 break;

539 case AVMEDIA_TYPE_AUDIO:

540 ret = avcodec_decode_audio4(st->st->codec, movie->frame, &got_frame, pkt);

541 break;

542 default:

543 ret = AVERROR(ENOSYS);

544 break;

545 }

546 if (ret < 0) {

547 av_log(ctx, AV_LOG_WARNING, "Decode error: %s\n", av_err2str(ret));

548 return 0;

549 }

550 if (!ret)

551 ret = pkt->size;

552

553 pkt->data += ret;

554 pkt->size -= ret;

555 if (pkt->size <= 0) {

556 av_free_packet(&movie->pkt0);

557 pkt->size = 0; /* ready for next run */

558 pkt->data = NULL;

559 }

560 if (!got_frame) {

561 if (!ret)

562 st->done = 1;

563 return 0;

564 }

565

566 buf = frame_to_buf(st->st->codec->codec_type, movie->frame, outlink);

567 if (!buf)

568 return AVERROR(ENOMEM);

569 av_dlog(ctx, "movie_push_frame(): file:'%s' %s\n", movie->file_name,

570 describe_bufref(buf, outlink));

571 switch (st->st->codec->codec_type) {

572 case AVMEDIA_TYPE_VIDEO:

573 if (!movie->frame->sample_aspect_ratio.num)

574 buf->video->sample_aspect_ratio = st->st->sample_aspect_ratio;

575 /* Fall through */

576 case AVMEDIA_TYPE_AUDIO:

577 ff_filter_frame(outlink, buf);

578 break;

579 }

580

581 return pkt_out_id == out_id;

582 }

583

584 static int movie_request_frame(AVFilterLink *outlink)

585 {

586 AVFilterContext *ctx = outlink->src;

587 unsigned out_id = FF_OUTLINK_IDX(outlink);

588 int ret;

589

590 while (1) {

591 ret = movie_push_frame(ctx, out_id);

592 if (ret)

593 return FFMIN(ret, 0);

594 }

595 }

596

597 #if CONFIG_MOVIE_FILTER

598

599 AVFILTER_DEFINE_CLASS(movie);

600

601 static av_cold int movie_init(AVFilterContext *ctx, const char *args)

602 {

603 return movie_common_init(ctx, args, &movie_class);

604 }

605

606 AVFilter avfilter_avsrc_movie = {

607 .name = "movie",

608 .description = NULL_IF_CONFIG_SMALL("Read from a movie source."),

609 .priv_size = sizeof(MovieContext),

610 .init = movie_init,

611 .uninit = movie_uninit,

612 .query_formats = movie_query_formats,

613

614 .inputs = NULL,

615 .outputs = NULL,

616 .priv_class = &movie_class,

617 };

618

619 #endif /* CONFIG_MOVIE_FILTER */

620

621 #if CONFIG_AMOVIE_FILTER

622

623 #define amovie_options movie_options

624 AVFILTER_DEFINE_CLASS(amovie);

625

626 static av_cold int amovie_init(AVFilterContext *ctx, const char *args)

627 {

628 return movie_common_init(ctx, args, &amovie_class);

629 }

630

631 AVFilter avfilter_avsrc_amovie = {

632 .name = "amovie",

633 .description = NULL_IF_CONFIG_SMALL("Read audio from a movie source."),

634 .priv_size = sizeof(MovieContext),

635 .init = amovie_init,

636 .uninit = movie_uninit,

637 .query_formats = movie_query_formats,

638

639 .inputs = NULL,

640 .outputs = NULL,

641 .priv_class = &amovie_class,

642 };

643

644 #endif /* CONFIG_AMOVIE_FILTER */

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