diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/demuxers/demux_qt.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/demuxers/demux_qt.c b/src/demuxers/demux_qt.c index bc1debf8e..0aaab4e50 100644 --- a/src/demuxers/demux_qt.c +++ b/src/demuxers/demux_qt.c @@ -321,6 +321,8 @@ typedef struct { /* what to add to output buffer type */ int audio_index; + int lang; + } qt_trak; typedef struct { @@ -1014,6 +1016,7 @@ static qt_error parse_trak_atom (qt_trak *trak, if ( version > 1 ) continue; /* unsupported, undocumented */ trak->timescale = _X_BE_32(&trak_atom[i + (version == 0 ? 0x10 : 0x18) ]); + trak->lang = _X_BE_16 (trak_atom + i + (version == 0 ? 0x18 : 0x24)); } break; @@ -3176,11 +3179,39 @@ static int demux_qt_get_stream_length (demux_plugin_t *this_gen) { } static uint32_t demux_qt_get_capabilities(demux_plugin_t *this_gen) { - return DEMUX_CAP_NOCAP; + return DEMUX_CAP_AUDIOLANG; } static int demux_qt_get_optional_data(demux_plugin_t *this_gen, void *data, int data_type) { + demux_qt_t *this = (demux_qt_t *) this_gen; + + /* be a bit paranoid */ + if (this == NULL || this->stream == NULL) + return DEMUX_OPTIONAL_UNSUPPORTED; + + switch (data_type) { + case DEMUX_OPTIONAL_DATA_AUDIOLANG: { + char *str = data; + int channel = *((int *)data); + if ((channel < 0) || (channel >= this->qt->audio_trak_count)) { + strcpy (str, "none"); + } else { + int lang = this->qt->traks[this->qt->audio_traks[channel]].lang; + if ((lang < 0x400) || (lang == 0x7fff)) { + sprintf (str, "%d", channel); + } else { + int i; + for (i = 10; i >= 0; i -= 5) + *str++ = 0x60 | ((lang >> i) & 0x1f); + *str = 0; + } + return DEMUX_OPTIONAL_SUCCESS; + } + } + break; + default: ; + } return DEMUX_OPTIONAL_UNSUPPORTED; } |