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video metadata

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This commit is contained in:
simon 2019-10-31 11:54:13 -04:00
parent 784c3c9435
commit f8f1a27180
5 changed files with 53 additions and 38 deletions
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6
CMakeLists.txt
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@ -116,10 +116,10 @@ if (WITH_SIST2)
target_compile_options(sist2
PRIVATE
-O3
# -O3
# -march=native
-fno-stack-protector
-fomit-frame-pointer
# -fno-stack-protector
# -fomit-frame-pointer
)
TARGET_LINK_LIBRARIES(

2
src/main.c
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@ -10,7 +10,7 @@
#define EPILOG "Made by simon987 <me@simon987.net>. Released under GPL-3.0"
static const char *const Version = "1.0.13";
static const char *const Version = "1.0.14";
static const char *const usage[] = {
"sist2 scan [OPTION]... PATH",
"sist2 index [OPTION]... INDEX",

74
src/parsing/media.c
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@ -107,6 +107,15 @@ AVFrame *read_frame(AVFormatContext *pFormatCtx, AVCodecContext *decoder, int st
return frame;
}
#define APPEND_TAG_META(doc, tag, keyname) \
text_buffer_t tex = text_buffer_create(4096); \
text_buffer_append_string(&tex, tag->value); \
meta_line_t *meta_tag = malloc(sizeof(meta_line_t) + tex.dyn_buffer.cur); \
meta_tag->key = keyname; \
strcpy(meta_tag->strval, tex.dyn_buffer.buf); \
APPEND_META(doc, meta_tag) \
text_buffer_destroy(&tex);
void append_audio_meta(AVFormatContext *pFormatCtx, document_t *doc) {
AVDictionaryEntry *tag = NULL;
@ -115,35 +124,40 @@ void append_audio_meta(AVFormatContext *pFormatCtx, document_t *doc) {
for (; *key; ++key) *key = (char) tolower(*key);
if (strcmp(tag->key, "artist") == 0) {
size_t len = strlen(tag->value);
meta_line_t *meta_tag = malloc(sizeof(meta_line_t) + len);
meta_tag->key = MetaArtist;
memcpy(meta_tag->strval, tag->value, len);
APPEND_META(doc, meta_tag)
APPEND_TAG_META(doc, tag, MetaArtist)
} else if (strcmp(tag->key, "genre") == 0) {
size_t len = strlen(tag->value);
meta_line_t *meta_tag = malloc(sizeof(meta_line_t) + len);
meta_tag->key = MetaGenre;
memcpy(meta_tag->strval, tag->value, len);
APPEND_META(doc, meta_tag)
APPEND_TAG_META(doc, tag, MetaGenre)
} else if (strcmp(tag->key, "title") == 0) {
size_t len = strlen(tag->value);
meta_line_t *meta_tag = malloc(sizeof(meta_line_t) + len);
meta_tag->key = MetaTitle;
memcpy(meta_tag->strval, tag->value, len);
APPEND_META(doc, meta_tag)
APPEND_TAG_META(doc, tag, MetaTitle)
} else if (strcmp(tag->key, "album_artist") == 0) {
size_t len = strlen(tag->value);
meta_line_t *meta_tag = malloc(sizeof(meta_line_t) + len);
meta_tag->key = MetaAlbumArtist;
memcpy(meta_tag->strval, tag->value, len);
APPEND_META(doc, meta_tag)
APPEND_TAG_META(doc, tag, MetaAlbumArtist)
} else if (strcmp(tag->key, "album") == 0) {
size_t len = strlen(tag->value);
meta_line_t *meta_tag = malloc(sizeof(meta_line_t) + len);
meta_tag->key = MetaAlbum;
memcpy(meta_tag->strval, tag->value, len);
APPEND_META(doc, meta_tag)
APPEND_TAG_META(doc, tag, MetaAlbum)
}
}
}
void append_video_meta(AVFormatContext *pFormatCtx, document_t *doc, int include_audio_tags) {
meta_line_t *meta_duration = malloc(sizeof(meta_line_t));
meta_duration->key = MetaMediaDuration;
meta_duration->longval = pFormatCtx->duration / AV_TIME_BASE;
APPEND_META(doc, meta_duration)
meta_line_t *meta_bitrate = malloc(sizeof(meta_line_t));
meta_bitrate->key = MetaMediaBitrate;
meta_bitrate->intval = pFormatCtx->bit_rate;
APPEND_META(doc, meta_bitrate)
AVDictionaryEntry *tag = NULL;
while ((tag = av_dict_get(pFormatCtx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) {
char *key = tag->key;
for (; *key; ++key) *key = (char) tolower(*key);
if (strcmp(tag->key, "title") == 0 && include_audio_tags) {
APPEND_TAG_META(doc, tag, MetaTitle)
} else if (strcmp(tag->key, "comment") == 0) {
APPEND_TAG_META(doc, tag, MetaContent)
}
}
}
@ -207,15 +221,7 @@ void parse_media(const char *filepath, document_t *doc) {
if (stream->nb_frames > 1) {
//This is a video (not a still image)
meta_line_t *meta_duration = malloc(sizeof(meta_line_t));
meta_duration->key = MetaMediaDuration;
meta_duration->longval = pFormatCtx->duration / AV_TIME_BASE;
APPEND_META(doc, meta_duration)
meta_line_t *meta_bitrate = malloc(sizeof(meta_line_t));
meta_bitrate->key = MetaMediaBitrate;
meta_bitrate->intval = pFormatCtx->bit_rate;
APPEND_META(doc, meta_bitrate)
append_video_meta(pFormatCtx, doc, audio_stream == -1);
}
if (stream->codecpar->width <= 20 || stream->codecpar->height <= 20) {

8
src/util.c
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@ -89,6 +89,14 @@ void text_buffer_terminate_string(text_buffer_t *buf) {
dyn_buffer_write_char(&buf->dyn_buffer, '\0');
}
int text_buffer_append_string(text_buffer_t *buf, char * str) {
char * ptr = str;
while (*ptr) {
text_buffer_append_char(buf, *ptr++);
}
text_buffer_terminate_string(buf);
}
int text_buffer_append_char(text_buffer_t *buf, int c) {
if (SHOULD_IGNORE_CHAR(c)) {

1
src/util.h
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@ -56,6 +56,7 @@ text_buffer_t text_buffer_create(int max_size);
void text_buffer_terminate_string(text_buffer_t *buf);
int text_buffer_append_string(text_buffer_t *buf, char * str);
int text_buffer_append_char(text_buffer_t *buf, int c);
void incremental_put(GHashTable *table, unsigned long inode_no, int mtime);