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Do not store duration or bitrate when the value is 0 or for images

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This commit is contained in:
simon987 2022-03-05 21:24:59 -05:00
parent 0bf4244683
commit c575fca91d
1 changed files with 22 additions and 12 deletions
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34
third-party/libscan/libscan/media/media.c vendored
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@ -4,7 +4,12 @@
#define MIN_SIZE 32
#define AVIO_BUF_SIZE 8192
#define IS_VIDEO(fmt) ((fmt)->iformat->name && strcmp((fmt)->iformat->name, "image2") != 0)
#define IS_VIDEO(fmt) ( \
(fmt)->iformat->name && strcmp((fmt)->iformat->name, "image2") != 0 \
&& strcmp((fmt)->iformat->name, "jpeg_pipe") != 0 \
&& strcmp((fmt)->iformat->name, "webp_pipe") != 0 \
&& strcmp((fmt)->iformat->name, "png_pipe") != 0 \
)
#define STORE_AS_IS ((void*)-1)
@ -279,18 +284,22 @@ static void
append_video_meta(scan_media_ctx_t *ctx, AVFormatContext *pFormatCtx, AVFrame *frame, document_t *doc, int is_video) {
if (is_video) {
meta_line_t *meta_duration = malloc(sizeof(meta_line_t));
meta_duration->key = MetaMediaDuration;
meta_duration->long_val = pFormatCtx->duration / AV_TIME_BASE;
if (meta_duration->long_val > INT32_MAX) {
meta_duration->long_val = 0;
if (pFormatCtx->duration / AV_TIME_BASE != 0) {
meta_line_t *meta_duration = malloc(sizeof(meta_line_t));
meta_duration->key = MetaMediaDuration;
meta_duration->long_val = pFormatCtx->duration / AV_TIME_BASE;
if (meta_duration->long_val > INT32_MAX) {
meta_duration->long_val = 0;
}
APPEND_META(doc, meta_duration)
}
APPEND_META(doc, meta_duration)
meta_line_t *meta_bitrate = malloc(sizeof(meta_line_t));
meta_bitrate->key = MetaMediaBitrate;
meta_bitrate->long_val = pFormatCtx->bit_rate;
APPEND_META(doc, meta_bitrate)
if (pFormatCtx->bit_rate != 0) {
meta_line_t *meta_bitrate = malloc(sizeof(meta_line_t));
meta_bitrate->key = MetaMediaBitrate;
meta_bitrate->long_val = pFormatCtx->bit_rate;
APPEND_META(doc, meta_bitrate)
}
}
AVDictionaryEntry *tag = NULL;
@ -577,7 +586,8 @@ void parse_media_format_ctx(scan_media_ctx_t *ctx, AVFormatContext *pFormatCtx,
int video_duration_in_seconds = (int) (pFormatCtx->duration / AV_TIME_BASE);
int thumbnails_to_generate = (IS_VIDEO(pFormatCtx) && stream->codecpar->codec_id != AV_CODEC_ID_GIF && video_duration_in_seconds >= 15)
int thumbnails_to_generate = (IS_VIDEO(pFormatCtx) && stream->codecpar->codec_id != AV_CODEC_ID_GIF &&
video_duration_in_seconds >= 15)
// Limit to ~1 thumbnail every 7s
? MAX(MIN(ctx->tn_count, video_duration_in_seconds / 7 + 1), 1) + 1
: 1;