diff options
Diffstat (limited to 'demux')
| -rw-r--r-- | demux/demux_lavf.c | 43 | ||||
| -rw-r--r-- | demux/demux_mf.c | 6 | ||||
| -rw-r--r-- | demux/demux_mkv.c | 1 | ||||
| -rw-r--r-- | demux/demux_timeline.c | 1 | ||||
| -rw-r--r-- | demux/stheader.h | 1 |
5 files changed, 42 insertions, 10 deletions
diff --git a/demux/demux_lavf.c b/demux/demux_lavf.c index 71fb9fc289..c3eab80c4d 100644 --- a/demux/demux_lavf.c +++ b/demux/demux_lavf.c @@ -138,7 +138,6 @@ struct format_hack { bool use_stream_ids : 1; // has a meaningful native stream IDs (export it) bool fully_read : 1; // set demuxer.fully_read flag bool detect_charset : 1; // format is a small text file, possibly not UTF8 - bool image_format : 1; // expected to contain exactly 1 frame // Do not confuse player's position estimation (position is into external // segment, with e.g. HLS, player knows about the playlist main file only). bool clear_filepos : 1; @@ -205,8 +204,6 @@ static const struct format_hack format_hacks[] = { BLACKLIST("bin"), // Useless, does not work with custom streams. BLACKLIST("image2"), - // Image demuxers ("<name>_pipe" is detected explicitly) - {"image2pipe", .image_format = true}, {0} }; @@ -528,11 +525,6 @@ static int lavf_check_file(demuxer_t *demuxer, enum demux_check check) return -1; } - if (bstr_endswith0(bstr0(priv->avif->name), "_pipe")) { - MP_VERBOSE(demuxer, "Assuming this is an image format.\n"); - priv->format_hack.image_format = true; - } - if (lavfdopts->hacks) priv->avif_flags = priv->avif->flags | priv->format_hack.if_flags; @@ -655,6 +647,35 @@ static int dict_get_decimal(AVDictionary *dict, const char *entry, int def) return def; } +// Detect if a stream is an image from the number of frames and duration. +// Unlike checking only the codec, this doesn't detect videos with codecs +// commonly used for images (e.g. mjpeg) as images, and can detect images in +// codecs commonly used for videos. But for some video codecs and containers, +// libavformat always returns 0/1 numbers of frames and 0 duration, so they +// have to be hardcoded to never be considered images. +static const int blacklisted_video_codecs[] = + {AV_CODEC_ID_AMV, AV_CODEC_ID_FLIC, AV_CODEC_ID_VMDVIDEO, 0}; + +static const char *const blacklisted_formats[] = {"lavfi", "m4v", "vc1", NULL}; + +static bool is_image(AVStream *st, int codec_id, const char *avifname) +{ + if (st->nb_frames > 1 || st->codec_info_nb_frames != 1 || st->duration > 10) + return false; + + for (int i = 0; blacklisted_video_codecs[i]; i++) { + if (codec_id == blacklisted_video_codecs[i]) + return false; + } + + for (int i = 0; blacklisted_formats[i]; i++) { + if (strcmp(avifname, blacklisted_formats[i]) == 0) + return false; + } + + return true; +} + static void handle_new_stream(demuxer_t *demuxer, int i) { lavf_priv_t *priv = demuxer->priv; @@ -714,8 +735,12 @@ static void handle_new_stream(demuxer_t *demuxer, int i) sh->codec->disp_h = codec->height; if (st->avg_frame_rate.num) sh->codec->fps = av_q2d(st->avg_frame_rate); - if (priv->format_hack.image_format) + if (sh->attached_picture || + is_image(st, codec->codec_id, priv->avif->name)) { + MP_VERBOSE(demuxer, "Assuming this is an image format.\n"); + sh->image = true; sh->codec->fps = priv->mf_fps; + } sh->codec->par_w = st->sample_aspect_ratio.num; sh->codec->par_h = st->sample_aspect_ratio.den; diff --git a/demux/demux_mf.c b/demux/demux_mf.c index 40f94f4e4e..69fa0fa91c 100644 --- a/demux/demux_mf.c +++ b/demux/demux_mf.c @@ -381,8 +381,12 @@ static int demux_open_mf(demuxer_t *demuxer, enum demux_check check) // create a new video stream header struct sh_stream *sh = demux_alloc_sh_stream(STREAM_VIDEO); - struct mp_codec_params *c = sh->codec; + if (mf->nr_of_files == 1) { + MP_VERBOSE(demuxer, "Assuming this is an image format.\n"); + sh->image = true; + } + struct mp_codec_params *c = sh->codec; c->codec = codec; c->disp_w = 0; c->disp_h = 0; diff --git a/demux/demux_mkv.c b/demux/demux_mkv.c index d07f8fe1e0..b0117f0b6d 100644 --- a/demux/demux_mkv.c +++ b/demux/demux_mkv.c @@ -1300,6 +1300,7 @@ static void add_coverart(struct demuxer *demuxer) sh->attached_picture->pts = 0; talloc_steal(sh, sh->attached_picture); sh->attached_picture->keyframe = true; + sh->image = true; } sh->title = att->name; demux_add_sh_stream(demuxer, sh); diff --git a/demux/demux_timeline.c b/demux/demux_timeline.c index 9b4a049aee..5572fb53bf 100644 --- a/demux/demux_timeline.c +++ b/demux/demux_timeline.c @@ -525,6 +525,7 @@ static void apply_meta(struct sh_stream *dst, struct sh_stream *src) dst->missing_timestamps = src->missing_timestamps; if (src->attached_picture) dst->attached_picture = src->attached_picture; + dst->image = src->image; } // This is mostly for EDL user-defined metadata. diff --git a/demux/stheader.h b/demux/stheader.h index 6be3b16463..8d2129e05b 100644 --- a/demux/stheader.h +++ b/demux/stheader.h @@ -48,6 +48,7 @@ struct sh_stream { bool dependent_track; // container dependent track flag bool visual_impaired_track; // container flag bool hearing_impaired_track;// container flag + bool image; // video stream is an image bool still_image; // video stream contains still images int hls_bitrate; |