diff options
| author | Peter Ross <pross@xvid.org> | 2011-02-10 17:26:10 +1100 |
|---|---|---|
| committer | Janne Grunau <janne-ffmpeg@jannau.net> | 2011-02-10 22:55:17 +0100 |
| commit | 68137ba386933243a84fc65f0deb3ad0ce5ff0ea (patch) | |
| tree | 217a80e59e2a8e0b48a2366421d0817882f17b11 /libavformat/wtv.c | |
| parent | 52091491575f015c09a32a745de4f7f7592fe6d4 (diff) | |
wtv: mark streams intended for hearing or visual impaired persons
Signed-off-by: Janne Grunau <janne-ffmpeg@jannau.net>
Diffstat (limited to 'libavformat/wtv.c')
| -rw-r--r-- | libavformat/wtv.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/libavformat/wtv.c b/libavformat/wtv.c index 0385e73f9e..7a8e8f54dc 100644 --- a/libavformat/wtv.c +++ b/libavformat/wtv.c @@ -32,6 +32,7 @@ #include "riff.h" #include "asf.h" #include "mpegts.h" +#include <strings.h> /* Macros for formating GUIDs */ #define PRI_GUID \ @@ -371,6 +372,8 @@ static const ff_asf_guid EVENTID_StreamIDSpanningEvent = {0x68,0xAB,0xF1,0xCA,0x53,0xE1,0x41,0x4D,0xA6,0xB3,0xA7,0xC9,0x98,0xDB,0x75,0xEE}; static const ff_asf_guid EVENTID_TeletextSpanningEvent = {0x50,0xD9,0x99,0x95,0x33,0x5F,0x17,0x46,0xAF,0x7C,0x1E,0x54,0xB5,0x10,0xDA,0xA3}; +static const ff_asf_guid EVENTID_AudioTypeSpanningEvent = + {0xBE,0xBF,0x1C,0x50,0x49,0xB8,0xCE,0x42,0x9B,0xE9,0x3D,0xB8,0x69,0xFB,0x82,0xB3}; /* Windows media GUIDs */ @@ -832,6 +835,19 @@ static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_p consumed += buf_size; ff_parse_mpeg2_descriptor(s, st, 0, &pbuf, buf + buf_size, 0, 0, 0, 0); } + } else if (!ff_guidcmp(g, EVENTID_AudioTypeSpanningEvent)) { + int stream_index = ff_find_stream_index(s, sid); + if (stream_index >= 0) { + AVStream *st = s->streams[stream_index]; + int audio_type; + url_fskip(pb, 8); + audio_type = get_byte(pb); + if (audio_type == 2) + st->disposition |= AV_DISPOSITION_HEARING_IMPAIRED; + else if (audio_type == 3) + st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED; + consumed += 9; + } } else if (!ff_guidcmp(g, EVENTID_DVBScramblingControlSpanningEvent)) { int stream_index = ff_find_stream_index(s, sid); if (stream_index >= 0) { @@ -850,6 +866,8 @@ static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_p if (language[0]) { language[3] = 0; av_metadata_set2(&st->metadata, "language", language, 0); + if (!strcmp(language, "nar") || !strcmp(language, "NAR")) + st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED; } consumed += 15; } @@ -887,7 +905,6 @@ static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_p !ff_guidcmp(g, /* DSATTRIB_PicSampleSeq */ (const ff_asf_guid){0x02,0xAE,0x5B,0x2F,0x8F,0x7B,0x60,0x4F,0x82,0xD6,0xE4,0xEA,0x2F,0x1F,0x4C,0x99}) || !ff_guidcmp(g, /* DSATTRIB_TRANSPORT_PROPERTIES */ (const ff_asf_guid){0x12,0xF6,0x22,0xB6,0xAD,0x47,0x71,0x46,0xAD,0x6C,0x05,0xA9,0x8E,0x65,0xDE,0x3A}) || !ff_guidcmp(g, /* dvr_ms_vid_frame_rep_data */ (const ff_asf_guid){0xCC,0x32,0x64,0xDD,0x29,0xE2,0xDB,0x40,0x80,0xF6,0xD2,0x63,0x28,0xD2,0x76,0x1F}) || - !ff_guidcmp(g, /* EVENTID_AudioTypeSpanningEvent */ (const ff_asf_guid){0xBE,0xBF,0x1C,0x50,0x49,0xB8,0xCE,0x42,0x9B,0xE9,0x3D,0xB8,0x69,0xFB,0x82,0xB3}) || !ff_guidcmp(g, /* EVENTID_ChannelChangeSpanningEvent */ (const ff_asf_guid){0xE5,0xC5,0x67,0x90,0x5C,0x4C,0x05,0x42,0x86,0xC8,0x7A,0xFE,0x20,0xFE,0x1E,0xFA}) || !ff_guidcmp(g, /* EVENTID_ChannelInfoSpanningEvent */ (const ff_asf_guid){0x80,0x6D,0xF3,0x41,0x32,0x41,0xC2,0x4C,0xB1,0x21,0x01,0xA4,0x32,0x19,0xD8,0x1B}) || !ff_guidcmp(g, /* EVENTID_ChannelTypeSpanningEvent */ (const ff_asf_guid){0x51,0x1D,0xAB,0x72,0xD2,0x87,0x9B,0x48,0xBA,0x11,0x0E,0x08,0xDC,0x21,0x02,0x43}) || |