2 * Copyright (C) 2013 by Intel Corporation
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public License
6 * as published by the Free Software Foundation; either version 2.1 of
7 * the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19 * @author Leandro Dorileo <leandro.maciel.dorileo@intel.com>
22 #include <libavformat/avformat.h>
23 #include <libavutil/dict.h>
24 #include "libavutil/opt.h"
26 #include <lightmediascanner_db.h>
27 #include <lightmediascanner_plugin.h>
29 #include <sys/types.h>
37 #define DECL_STR(cname, str) \
38 static const struct lms_string_size cname = LMS_STATIC_STRING_SIZE(str)
40 static const char _name[] = "generic";
42 static const struct lms_string_size _exts[] = {
43 LMS_STATIC_STRING_SIZE(".mpeg"),
44 LMS_STATIC_STRING_SIZE(".mpg"),
45 LMS_STATIC_STRING_SIZE(".mpeg2"),
46 LMS_STATIC_STRING_SIZE(".mp2"),
47 LMS_STATIC_STRING_SIZE(".mp3"),
48 LMS_STATIC_STRING_SIZE(".adts"),
49 LMS_STATIC_STRING_SIZE(".m3u"),
50 LMS_STATIC_STRING_SIZE(".mp4"),
51 LMS_STATIC_STRING_SIZE(".wma"),
54 DECL_STR(_codec_mpeg1layer3, "mpeg1layer3");
55 DECL_STR(_container_3gp, "3gp");
56 DECL_STR(_container_mp4, "mp4");
58 DECL_STR(_container_audio_wmav1, "wmav1");
59 DECL_STR(_container_audio_wmav2, "wmav2");
60 DECL_STR(_container_audio_wmavpro, "wmavpro");
62 DECL_STR(_codec_audio_asf, "asf");
63 DECL_STR(_codec_audio_mpeg4aac_main, "mpeg4aac-main");
64 DECL_STR(_codec_audio_mpeg4aac_lc, "mpeg4aac-lc");
65 DECL_STR(_codec_audio_mpeg4aac_ssr, "mpeg4aac-ssr");
66 DECL_STR(_codec_audio_mpeg4aac_ltp, "mpeg4aac-ltp");
67 DECL_STR(_codec_audio_mpeg4aac_he, "mpeg4aac-he");
68 DECL_STR(_codec_audio_mpeg4aac_scalable, "mpeg4aac-scalable");
70 typedef void (* generic_codec_container_cb)(AVStream *stream, struct lms_string_size *value);
72 struct codec_container {
74 generic_codec_container_cb get_codec;
75 generic_codec_container_cb get_container;
78 struct codec_container_descriptor {
80 const struct lms_string_size *desc;
83 static const struct codec_container_descriptor _codec_list[] = {
84 {CODEC_ID_MP3, &_codec_mpeg1layer3},
85 {AV_CODEC_ID_WMAV1, &_codec_audio_asf},
86 {AV_CODEC_ID_WMAV2, &_codec_audio_asf},
87 {AV_CODEC_ID_WMAPRO, &_codec_audio_asf},
90 static const struct codec_container_descriptor _container_list[] = {
91 {AV_CODEC_ID_MPEG2VIDEO, &_container_mp4},
92 {AV_CODEC_ID_AAC, &_container_3gp},
93 {AV_CODEC_ID_WMAV1, &_container_audio_wmav1},
94 {AV_CODEC_ID_WMAV2, &_container_audio_wmav2},
95 {AV_CODEC_ID_WMAPRO, &_container_audio_wmavpro},
96 {AV_CODEC_ID_H264, &_container_mp4},
100 _mp4_get_audio_codec(AVStream *stream, struct lms_string_size *value)
102 switch (stream->codec->profile) {
103 case FF_PROFILE_AAC_MAIN:
104 lms_string_size_dup(value, &_codec_audio_mpeg4aac_main);
106 case FF_PROFILE_AAC_LOW:
107 lms_string_size_dup(value, &_codec_audio_mpeg4aac_lc);
109 case FF_PROFILE_AAC_SSR:
110 lms_string_size_dup(value, &_codec_audio_mpeg4aac_ssr);
112 case FF_PROFILE_AAC_LTP:
113 lms_string_size_dup(value, &_codec_audio_mpeg4aac_ltp);
115 case FF_PROFILE_AAC_HE:
116 lms_string_size_dup(value, &_codec_audio_mpeg4aac_he);
119 lms_string_size_dup(value, &_codec_audio_mpeg4aac_scalable);
124 /** TODO: for mp4 we're parsing a smaller subset of codec than mp4 plugin itself */
126 _mp4_get_video_codec(AVStream *stream, struct lms_string_size *value)
128 struct lms_string_size ret = {};
129 char str_profile[64], str_level[64], buf[256];
132 profile = stream->codec->profile;
133 level = stream->codec->level;
137 memcpy(str_profile, "baseline", sizeof("baseline"));
140 memcpy(str_profile, "main", sizeof("main"));
143 memcpy(str_profile, "extended", sizeof("extended"));
146 memcpy(str_profile, "high", sizeof("high"));
149 memcpy(str_profile, "high-10", sizeof("high-10"));
152 memcpy(str_profile, "high-422", sizeof("high-422"));
155 memcpy(str_profile, "high-444", sizeof("high-444"));
158 snprintf(str_profile, sizeof(str_profile), "unknown-%d", profile);
162 snprintf(str_level, sizeof(str_level), "%u", level / 10);
164 snprintf(str_level, sizeof(str_level), "%u.%u", level / 10, level % 10);
166 ret.len = snprintf(buf, sizeof(buf), "h264-%s-l%s", str_profile, str_level);
169 lms_string_size_dup(value, &ret);
173 _mpeg2_get_video_codec(AVStream *stream, struct lms_string_size *value)
175 const char *codec_name, *str_profile, *str_level;
178 codec_name = avcodec_get_name(stream->codec->codec_id);
179 if (!codec_name) return;
184 switch (stream->codec->profile) {
186 str_profile = "simple";
189 str_profile = "main";
193 switch (stream->codec->level) {
207 snprintf(buf, sizeof(buf), "%s-p%s-l%s", codec_name, str_profile, str_level);
208 lms_string_size_strndup(value, buf, -1);
212 _get_common_codec(AVStream *stream, struct lms_string_size *value)
216 length = sizeof(_codec_list) / sizeof(struct codec_container_descriptor);
217 for (i = 0; i < length; i++) {
218 const struct codec_container_descriptor *curr = _codec_list + i;
219 if (curr->id == stream->codec->codec_id) {
220 lms_string_size_dup(value, curr->desc);
227 _get_common_container(AVStream *stream, struct lms_string_size *value)
231 length = sizeof(_container_list) / sizeof(struct codec_container_descriptor);
232 for (i = 0; i < length; i++) {
233 const struct codec_container_descriptor *curr = _container_list + i;
234 if (curr->id == stream->codec->codec_id) {
235 lms_string_size_dup(value, curr->desc);
241 static const struct codec_container _codecs[] = {
244 .get_codec = _get_common_codec,
245 .get_container = NULL,
248 .id = AV_CODEC_ID_AAC,
249 .get_codec = _mp4_get_audio_codec,
250 .get_container = _get_common_container,
253 .id = AV_CODEC_ID_MPEG2VIDEO,
254 .get_codec = _mpeg2_get_video_codec,
255 .get_container = NULL,
258 .id = AV_CODEC_ID_MPEG2VIDEO,
259 .get_codec = _mp4_get_video_codec,
260 .get_container = _get_common_container,
263 .id = AV_CODEC_ID_H264,
264 .get_codec = _mp4_get_video_codec,
265 .get_container = _get_common_container,
268 .id = AV_CODEC_ID_WMAV1,
269 .get_codec = _get_common_codec,
270 .get_container = _get_common_container,
273 .id = AV_CODEC_ID_WMAV2,
274 .get_codec = _get_common_codec,
275 .get_container = _get_common_container,
278 .id = AV_CODEC_ID_WMAPRO,
279 .get_codec = _get_common_codec,
280 .get_container = _get_common_container,
284 static const char *_cats[] = {
291 static const char *_authors[] = {
297 struct lms_plugin plugin;
298 lms_db_audio_t *audio_db;
299 lms_db_video_t *video_db;
303 struct lms_string_size title;
304 struct lms_string_size artist;
305 struct lms_string_size album;
306 struct lms_string_size genre;
310 _match(struct plugin *p, const char *path, int len, int base)
314 i = lms_which_extension(path, len, _exts, LMS_ARRAY_SIZE(_exts));
318 return (void*)(i + 1);
322 _get_dict_value(AVDictionary *dict, const char *key)
324 AVDictionaryEntry *tag = NULL;
325 tag = av_dict_get(dict, key, tag, AV_DICT_IGNORE_SUFFIX);
326 if (!tag) return NULL;
330 static const struct codec_container *
331 _find_codec_container(unsigned int codec_id)
334 length = sizeof(_codecs) / sizeof(struct codec_container);
336 for (i = 0; i < length; i++) {
337 const struct codec_container *curr = &_codecs[i];
338 if (curr->id == codec_id) return curr;
345 _get_codec(AVStream *stream, struct lms_string_size *value)
347 const struct codec_container *cc;
349 cc = _find_codec_container(stream->codec->codec_id);
350 if (!cc || !cc->get_codec) return;
352 cc->get_codec(stream, value);
356 _get_container(AVStream *stream, struct lms_string_size *value)
358 const struct codec_container *cc;
360 cc = _find_codec_container(stream->codec->codec_id);
361 if (!cc || !cc->get_container) return;
363 cc->get_container(stream, value);
367 _get_stream_duration(AVFormatContext *fmt_ctx)
370 if (fmt_ctx->duration == AV_NOPTS_VALUE) return 0;
372 duration = fmt_ctx->duration + 5000;
373 return (duration / AV_TIME_BASE);
377 _parse_audio_stream(AVFormatContext *fmt_ctx, struct lms_audio_info *info, AVStream *stream)
379 AVCodecContext *ctx = stream->codec;
381 info->bitrate = ctx->bit_rate;
382 info->channels = av_get_channel_layout_nb_channels(ctx->channel_layout);
383 info->sampling_rate = ctx->sample_rate;
384 info->length = _get_stream_duration(fmt_ctx);
386 _get_codec(stream, &info->codec);
390 _parse_video_stream(AVFormatContext *fmt_ctx, struct lms_video_info *info, AVStream *stream, char *language)
392 char aspect_ratio[256];
393 struct lms_stream *s;
394 AVCodecContext *ctx = stream->codec;
396 s = calloc(1, sizeof(*s));
399 s->stream_id = (unsigned int)stream->id;
400 lms_string_size_strndup(&s->lang, language, -1);
402 s->type = LMS_STREAM_TYPE_VIDEO;
404 _get_codec(stream, &s->codec);
406 s->video.bitrate = ctx->bit_rate;
407 if (!s->video.bitrate)
408 s->video.bitrate = ctx->rc_max_rate;
410 s->video.width = ctx->width;
411 s->video.height = ctx->height;
413 if (stream->r_frame_rate.den)
414 s->video.framerate = stream->r_frame_rate.num / stream->r_frame_rate.den;
416 snprintf(aspect_ratio, sizeof(aspect_ratio), "%d:%d",
417 ctx->sample_aspect_ratio.num, ctx->sample_aspect_ratio.den);
419 lms_string_size_strndup(&s->video.aspect_ratio, aspect_ratio, -1);
421 s->next = info->streams;
423 info->length = _get_stream_duration(fmt_ctx);
427 _parse(struct plugin *plugin, struct lms_context *ctxt, const struct lms_file_info *finfo, void *match)
430 int64_t packet_size = 0;
432 AVFormatContext *fmt_ctx = NULL;
433 struct mpeg_info info = { };
434 char *metadata, *language;
435 struct lms_audio_info audio_info = { };
436 struct lms_video_info video_info = { };
437 struct lms_string_size container = { };
440 if ((ret = avformat_open_input(&fmt_ctx, finfo->path, NULL, NULL)))
443 if (avformat_find_stream_info(fmt_ctx, NULL) < 0)
446 metadata = _get_dict_value(fmt_ctx->metadata, "title");
448 lms_string_size_strndup(&info.title, metadata, -1);
450 metadata = _get_dict_value(fmt_ctx->metadata, "artist");
452 lms_string_size_strndup(&info.artist, metadata, -1);
454 metadata = _get_dict_value(fmt_ctx->metadata, "album");
456 lms_string_size_strndup(&info.album, metadata, -1);
458 metadata = _get_dict_value(fmt_ctx->metadata, "genre");
460 lms_string_size_strndup(&info.genre, metadata, -1);
462 av_opt_get_int(fmt_ctx, "ts_packetsize", AV_OPT_SEARCH_CHILDREN,
465 language = _get_dict_value(fmt_ctx->metadata, "language");
467 for (i = 0; i < fmt_ctx->nb_streams; i++) {
468 AVStream *stream = fmt_ctx->streams[i];
469 AVCodecContext *ctx = stream->codec;
472 if (ctx->codec_id == AV_CODEC_ID_PROBE) {
473 printf("Failed to probe codec for input stream %d\n", stream->index);
477 if (!(codec = avcodec_find_decoder(ctx->codec_id))) {
478 printf("Unsupported codec with id %d for input stream %d\n",
479 stream->codec->codec_id, stream->index);
483 _get_container(stream, &container);
485 if (ctx->codec_type == AVMEDIA_TYPE_AUDIO)
486 _parse_audio_stream(fmt_ctx, &audio_info, stream);
487 else if (ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
488 _parse_video_stream(fmt_ctx, &video_info, stream, language);
493 lms_string_size_strip_and_free(&info.title);
494 lms_string_size_strip_and_free(&info.artist);
495 lms_string_size_strip_and_free(&info.album);
496 lms_string_size_strip_and_free(&info.genre);
499 lms_name_from_path(&info.title, finfo->path, finfo->path_len,
500 finfo->base, _exts[((long) match) - 1].len,
504 lms_charset_conv(ctxt->cs_conv, &info.title.str, &info.title.len);
506 lms_charset_conv(ctxt->cs_conv, &info.artist.str, &info.artist.len);
508 lms_charset_conv(ctxt->cs_conv, &info.album.str, &info.album.len);
510 lms_charset_conv(ctxt->cs_conv, &info.genre.str, &info.genre.len);
514 lms_string_size_strndup(&container, fmt_ctx->iformat->name, -1);
517 video_info.id = finfo->id;
518 video_info.title = info.title;
519 video_info.artist = info.artist;
520 video_info.container = container;
521 video_info.packet_size = packet_size;
523 ret = lms_db_video_add(plugin->video_db, &video_info);
525 audio_info.id = finfo->id;
526 audio_info.title = info.title;
527 audio_info.artist = info.artist;
528 audio_info.album = info.album;
529 audio_info.genre = info.genre;
530 audio_info.container = container;
532 ret = lms_db_audio_add(plugin->audio_db, &audio_info);
533 lms_string_size_strip_and_free(&audio_info.codec);
536 free(info.title.str);
537 free(info.artist.str);
538 free(info.album.str);
539 free(info.genre.str);
542 while (video_info.streams) {
543 struct lms_stream *s = video_info.streams;
544 video_info.streams = s->next;
546 if (s->type == LMS_STREAM_TYPE_VIDEO) {
547 free(s->video.aspect_ratio.str);
554 avformat_close_input(&fmt_ctx);
559 _close(struct plugin *plugin)
566 _setup(struct plugin *plugin, struct lms_context *ctxt)
569 plugin->audio_db = lms_db_audio_new(ctxt->db);
570 if (!plugin->audio_db)
572 plugin->video_db = lms_db_video_new(ctxt->db);
573 if (!plugin->video_db)
580 _start(struct plugin *plugin, struct lms_context *ctxt)
583 r = lms_db_audio_start(plugin->audio_db);
584 r |= lms_db_video_start(plugin->video_db);
589 _finish(struct plugin *plugin, struct lms_context *ctxt)
591 if (plugin->audio_db)
592 lms_db_audio_free(plugin->audio_db);
593 if (plugin->video_db)
594 lms_db_video_free(plugin->video_db);
599 API struct lms_plugin *
600 lms_plugin_open(void)
602 struct plugin *plugin;
604 plugin = (struct plugin *)malloc(sizeof(*plugin));
605 plugin->plugin.name = _name;
606 plugin->plugin.match = (lms_plugin_match_fn_t)_match;
607 plugin->plugin.parse = (lms_plugin_parse_fn_t)_parse;
608 plugin->plugin.close = (lms_plugin_close_fn_t)_close;
609 plugin->plugin.setup = (lms_plugin_setup_fn_t)_setup;
610 plugin->plugin.start = (lms_plugin_start_fn_t)_start;
611 plugin->plugin.finish = (lms_plugin_finish_fn_t)_finish;
612 plugin->plugin.order = INT32_MAX;
614 return (struct lms_plugin *)plugin;
617 API const struct lms_plugin_info *
618 lms_plugin_info(void)
620 static struct lms_plugin_info info = {
626 "http://github.com/profusion/lightmediascanner"