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"),
52 LMS_STATIC_STRING_SIZE(".ogg"),
55 DECL_STR(_codec_mpeg1layer3, "mpeg1layer3");
56 DECL_STR(_container_3gp, "3gp");
57 DECL_STR(_container_mp4, "mp4");
58 DECL_STR(_container_ogg, "ogg");
60 DECL_STR(_container_audio_wmav1, "wmav1");
61 DECL_STR(_container_audio_wmav2, "wmav2");
62 DECL_STR(_container_audio_wmavpro, "wmavpro");
64 DECL_STR(_codec_video_theora, "theora");
65 DECL_STR(_codec_audio_vorbis, "vorbis");
66 DECL_STR(_codec_audio_asf, "asf");
67 DECL_STR(_codec_audio_mpeg4aac_main, "mpeg4aac-main");
68 DECL_STR(_codec_audio_mpeg4aac_lc, "mpeg4aac-lc");
69 DECL_STR(_codec_audio_mpeg4aac_ssr, "mpeg4aac-ssr");
70 DECL_STR(_codec_audio_mpeg4aac_ltp, "mpeg4aac-ltp");
71 DECL_STR(_codec_audio_mpeg4aac_he, "mpeg4aac-he");
72 DECL_STR(_codec_audio_mpeg4aac_scalable, "mpeg4aac-scalable");
74 typedef void (* generic_codec_container_cb)(AVStream *stream, struct lms_string_size *value);
76 struct codec_container {
78 generic_codec_container_cb get_codec;
79 generic_codec_container_cb get_container;
82 struct codec_container_descriptor {
84 const struct lms_string_size *desc;
87 static const struct codec_container_descriptor _codec_list[] = {
88 {CODEC_ID_MP3, &_codec_mpeg1layer3},
89 {AV_CODEC_ID_WMAV1, &_codec_audio_asf},
90 {AV_CODEC_ID_WMAV2, &_codec_audio_asf},
91 {AV_CODEC_ID_WMAPRO, &_codec_audio_asf},
92 {AV_CODEC_ID_VORBIS, &_codec_audio_vorbis},
93 {AV_CODEC_ID_THEORA, &_codec_video_theora},
96 static const struct codec_container_descriptor _container_list[] = {
97 {AV_CODEC_ID_MPEG2VIDEO, &_container_mp4},
98 {AV_CODEC_ID_AAC, &_container_3gp},
99 {AV_CODEC_ID_WMAV1, &_container_audio_wmav1},
100 {AV_CODEC_ID_WMAV2, &_container_audio_wmav2},
101 {AV_CODEC_ID_WMAPRO, &_container_audio_wmavpro},
102 {AV_CODEC_ID_H264, &_container_mp4},
103 {AV_CODEC_ID_VORBIS, &_container_ogg},
104 {AV_CODEC_ID_THEORA, &_container_ogg},
108 _mp4_get_audio_codec(AVStream *stream, struct lms_string_size *value)
110 switch (stream->codec->profile) {
111 case FF_PROFILE_AAC_MAIN:
112 lms_string_size_dup(value, &_codec_audio_mpeg4aac_main);
114 case FF_PROFILE_AAC_LOW:
115 lms_string_size_dup(value, &_codec_audio_mpeg4aac_lc);
117 case FF_PROFILE_AAC_SSR:
118 lms_string_size_dup(value, &_codec_audio_mpeg4aac_ssr);
120 case FF_PROFILE_AAC_LTP:
121 lms_string_size_dup(value, &_codec_audio_mpeg4aac_ltp);
123 case FF_PROFILE_AAC_HE:
124 lms_string_size_dup(value, &_codec_audio_mpeg4aac_he);
127 lms_string_size_dup(value, &_codec_audio_mpeg4aac_scalable);
132 /** TODO: for mp4 we're parsing a smaller subset of codec than mp4 plugin itself */
134 _mp4_get_video_codec(AVStream *stream, struct lms_string_size *value)
136 struct lms_string_size ret = {};
137 char str_profile[64], str_level[64], buf[256];
140 profile = stream->codec->profile;
141 level = stream->codec->level;
145 memcpy(str_profile, "baseline", sizeof("baseline"));
148 memcpy(str_profile, "main", sizeof("main"));
151 memcpy(str_profile, "extended", sizeof("extended"));
154 memcpy(str_profile, "high", sizeof("high"));
157 memcpy(str_profile, "high-10", sizeof("high-10"));
160 memcpy(str_profile, "high-422", sizeof("high-422"));
163 memcpy(str_profile, "high-444", sizeof("high-444"));
166 snprintf(str_profile, sizeof(str_profile), "unknown-%d", profile);
170 snprintf(str_level, sizeof(str_level), "%u", level / 10);
172 snprintf(str_level, sizeof(str_level), "%u.%u", level / 10, level % 10);
174 ret.len = snprintf(buf, sizeof(buf), "h264-p%s-l%s", str_profile, str_level);
177 lms_string_size_dup(value, &ret);
181 _mpeg2_get_video_codec(AVStream *stream, struct lms_string_size *value)
183 const char *str_profile, *str_level;
184 const AVCodecDescriptor *codec;
187 codec = avcodec_descriptor_get(stream->codec->codec_id);
188 if (!codec || !codec->name) return;
193 switch (stream->codec->profile) {
195 str_profile = "simple";
198 str_profile = "main";
202 switch (stream->codec->level) {
216 snprintf(buf, sizeof(buf), "%s-p%s-l%s", codec->name, str_profile,
218 lms_string_size_strndup(value, buf, -1);
222 _get_common_codec(AVStream *stream, struct lms_string_size *value)
226 length = sizeof(_codec_list) / sizeof(struct codec_container_descriptor);
227 for (i = 0; i < length; i++) {
228 const struct codec_container_descriptor *curr = _codec_list + i;
229 if (curr->id == stream->codec->codec_id) {
230 lms_string_size_dup(value, curr->desc);
237 _get_common_container(AVStream *stream, struct lms_string_size *value)
241 length = sizeof(_container_list) / sizeof(struct codec_container_descriptor);
242 for (i = 0; i < length; i++) {
243 const struct codec_container_descriptor *curr = _container_list + i;
244 if (curr->id == stream->codec->codec_id) {
245 lms_string_size_dup(value, curr->desc);
251 static const struct codec_container _codecs[] = {
254 .get_codec = _get_common_codec,
255 .get_container = NULL,
258 .id = AV_CODEC_ID_VORBIS,
259 .get_codec = _get_common_codec,
260 .get_container = _get_common_container,
263 .id = AV_CODEC_ID_THEORA,
264 .get_codec = _get_common_codec,
265 .get_container = _get_common_container,
268 .id = AV_CODEC_ID_AAC,
269 .get_codec = _mp4_get_audio_codec,
270 .get_container = _get_common_container,
273 .id = AV_CODEC_ID_MPEG2VIDEO,
274 .get_codec = _mpeg2_get_video_codec,
275 .get_container = NULL,
278 .id = AV_CODEC_ID_MPEG2VIDEO,
279 .get_codec = _mp4_get_video_codec,
280 .get_container = _get_common_container,
283 .id = AV_CODEC_ID_H264,
284 .get_codec = _mp4_get_video_codec,
285 .get_container = _get_common_container,
288 .id = AV_CODEC_ID_WMAV1,
289 .get_codec = _get_common_codec,
290 .get_container = _get_common_container,
293 .id = AV_CODEC_ID_WMAV2,
294 .get_codec = _get_common_codec,
295 .get_container = _get_common_container,
298 .id = AV_CODEC_ID_WMAPRO,
299 .get_codec = _get_common_codec,
300 .get_container = _get_common_container,
304 static const char *_cats[] = {
311 static const char *_authors[] = {
317 struct lms_plugin plugin;
318 lms_db_audio_t *audio_db;
319 lms_db_video_t *video_db;
323 struct lms_string_size title;
324 struct lms_string_size artist;
325 struct lms_string_size album;
326 struct lms_string_size genre;
330 _match(struct plugin *p, const char *path, int len, int base)
334 i = lms_which_extension(path, len, _exts, LMS_ARRAY_SIZE(_exts));
338 return (void*)(i + 1);
342 _get_dict_value(AVDictionary *dict, const char *key)
344 AVDictionaryEntry *tag = NULL;
345 tag = av_dict_get(dict, key, tag, AV_DICT_IGNORE_SUFFIX);
346 if (!tag) return NULL;
350 static const struct codec_container *
351 _find_codec_container(unsigned int codec_id)
354 length = sizeof(_codecs) / sizeof(struct codec_container);
356 for (i = 0; i < length; i++) {
357 const struct codec_container *curr = &_codecs[i];
358 if (curr->id == codec_id) return curr;
365 _get_codec(AVStream *stream, struct lms_string_size *value)
367 const struct codec_container *cc;
369 cc = _find_codec_container(stream->codec->codec_id);
370 if (!cc || !cc->get_codec) return;
372 cc->get_codec(stream, value);
376 _get_container(AVStream *stream, struct lms_string_size *value)
378 const struct codec_container *cc;
380 cc = _find_codec_container(stream->codec->codec_id);
381 if (!cc || !cc->get_container) return;
383 cc->get_container(stream, value);
387 _get_stream_duration(AVFormatContext *fmt_ctx)
390 if (fmt_ctx->duration == AV_NOPTS_VALUE) return 0;
392 duration = fmt_ctx->duration + 5000;
393 return (duration / AV_TIME_BASE);
397 _parse_audio_stream(AVFormatContext *fmt_ctx, struct lms_audio_info *info, AVStream *stream)
399 AVCodecContext *ctx = stream->codec;
401 info->bitrate = ctx->bit_rate;
402 info->channels = ctx->channels;
405 info->channels = av_get_channel_layout_nb_channels(ctx->channel_layout);
407 info->sampling_rate = ctx->sample_rate;
408 info->length = _get_stream_duration(fmt_ctx);
410 _get_codec(stream, &info->codec);
414 _parse_video_stream(AVFormatContext *fmt_ctx, struct lms_video_info *info, AVStream *stream, char *language)
416 char aspect_ratio[256];
417 struct lms_stream *s;
418 AVCodecContext *ctx = stream->codec;
420 s = calloc(1, sizeof(*s));
423 s->stream_id = (unsigned int)stream->id;
424 lms_string_size_strndup(&s->lang, language, -1);
426 s->type = LMS_STREAM_TYPE_VIDEO;
428 _get_codec(stream, &s->codec);
430 s->video.bitrate = ctx->bit_rate;
431 if (!s->video.bitrate)
432 s->video.bitrate = ctx->rc_max_rate;
434 s->video.width = ctx->width;
435 s->video.height = ctx->height;
437 if (stream->r_frame_rate.den)
438 s->video.framerate = stream->r_frame_rate.num / stream->r_frame_rate.den;
440 snprintf(aspect_ratio, sizeof(aspect_ratio), "%d:%d",
441 ctx->sample_aspect_ratio.num, ctx->sample_aspect_ratio.den);
443 lms_string_size_strndup(&s->video.aspect_ratio, aspect_ratio, -1);
445 s->next = info->streams;
447 info->length = _get_stream_duration(fmt_ctx);
451 _parse(struct plugin *plugin, struct lms_context *ctxt, const struct lms_file_info *finfo, void *match)
454 int64_t packet_size = 0;
456 AVFormatContext *fmt_ctx = NULL;
457 struct mpeg_info info = { };
458 char *metadata, *language;
459 struct lms_audio_info audio_info = { };
460 struct lms_video_info video_info = { };
461 struct lms_string_size container = { };
467 if ((ret = avformat_open_input(&fmt_ctx, finfo->path, NULL, NULL)))
470 if (avformat_find_stream_info(fmt_ctx, NULL) < 0)
473 metadata = _get_dict_value(fmt_ctx->metadata, "title");
475 lms_string_size_strndup(&info.title, metadata, -1);
477 metadata = _get_dict_value(fmt_ctx->metadata, "artist");
479 lms_string_size_strndup(&info.artist, metadata, -1);
481 metadata = _get_dict_value(fmt_ctx->metadata, "album");
483 lms_string_size_strndup(&info.album, metadata, -1);
485 metadata = _get_dict_value(fmt_ctx->metadata, "genre");
487 lms_string_size_strndup(&info.genre, metadata, -1);
489 av_opt_get_int(fmt_ctx, "ts_packetsize", AV_OPT_SEARCH_CHILDREN,
492 language = _get_dict_value(fmt_ctx->metadata, "language");
494 for (i = 0; i < fmt_ctx->nb_streams; i++) {
495 AVStream *stream = fmt_ctx->streams[i];
496 AVCodecContext *ctx = stream->codec;
499 if (ctx->codec_id == AV_CODEC_ID_PROBE) {
500 printf("Failed to probe codec for input stream %d\n", stream->index);
504 if (!(codec = avcodec_find_decoder(ctx->codec_id))) {
505 printf("Unsupported codec with id %d for input stream %d\n",
506 stream->codec->codec_id, stream->index);
510 _get_container(stream, &container);
512 if (ctx->codec_type == AVMEDIA_TYPE_AUDIO)
513 _parse_audio_stream(fmt_ctx, &audio_info, stream);
514 else if (ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
515 _parse_video_stream(fmt_ctx, &video_info, stream, language);
520 lms_string_size_strip_and_free(&info.title);
521 lms_string_size_strip_and_free(&info.artist);
522 lms_string_size_strip_and_free(&info.album);
523 lms_string_size_strip_and_free(&info.genre);
526 lms_name_from_path(&info.title, finfo->path, finfo->path_len,
527 finfo->base, _exts[((long) match) - 1].len,
531 lms_charset_conv(ctxt->cs_conv, &info.title.str, &info.title.len);
533 lms_charset_conv(ctxt->cs_conv, &info.artist.str, &info.artist.len);
535 lms_charset_conv(ctxt->cs_conv, &info.album.str, &info.album.len);
537 lms_charset_conv(ctxt->cs_conv, &info.genre.str, &info.genre.len);
541 lms_string_size_strndup(&container, fmt_ctx->iformat->name, -1);
544 video_info.id = finfo->id;
545 video_info.title = info.title;
546 video_info.artist = info.artist;
547 video_info.container = container;
548 video_info.packet_size = packet_size;
550 ret = lms_db_video_add(plugin->video_db, &video_info);
552 audio_info.id = finfo->id;
553 audio_info.title = info.title;
554 audio_info.artist = info.artist;
555 audio_info.album = info.album;
556 audio_info.genre = info.genre;
557 audio_info.container = container;
559 ret = lms_db_audio_add(plugin->audio_db, &audio_info);
560 lms_string_size_strip_and_free(&audio_info.codec);
563 free(info.title.str);
564 free(info.artist.str);
565 free(info.album.str);
566 free(info.genre.str);
569 while (video_info.streams) {
570 struct lms_stream *s = video_info.streams;
571 video_info.streams = s->next;
573 if (s->type == LMS_STREAM_TYPE_VIDEO) {
574 free(s->video.aspect_ratio.str);
581 avformat_close_input(&fmt_ctx);
586 _close(struct plugin *plugin)
593 _setup(struct plugin *plugin, struct lms_context *ctxt)
596 plugin->audio_db = lms_db_audio_new(ctxt->db);
597 if (!plugin->audio_db)
599 plugin->video_db = lms_db_video_new(ctxt->db);
600 if (!plugin->video_db)
607 _start(struct plugin *plugin, struct lms_context *ctxt)
610 r = lms_db_audio_start(plugin->audio_db);
611 r |= lms_db_video_start(plugin->video_db);
616 _finish(struct plugin *plugin, struct lms_context *ctxt)
618 if (plugin->audio_db)
619 lms_db_audio_free(plugin->audio_db);
620 if (plugin->video_db)
621 lms_db_video_free(plugin->video_db);
626 API struct lms_plugin *
627 lms_plugin_open(void)
629 struct plugin *plugin;
631 plugin = (struct plugin *)malloc(sizeof(*plugin));
632 plugin->plugin.name = _name;
633 plugin->plugin.match = (lms_plugin_match_fn_t)_match;
634 plugin->plugin.parse = (lms_plugin_parse_fn_t)_parse;
635 plugin->plugin.close = (lms_plugin_close_fn_t)_close;
636 plugin->plugin.setup = (lms_plugin_setup_fn_t)_setup;
637 plugin->plugin.start = (lms_plugin_start_fn_t)_start;
638 plugin->plugin.finish = (lms_plugin_finish_fn_t)_finish;
639 plugin->plugin.order = INT32_MAX;
641 return (struct lms_plugin *)plugin;
644 API const struct lms_plugin_info *
645 lms_plugin_info(void)
647 static struct lms_plugin_info info = {
653 "http://github.com/profusion/lightmediascanner"