diff options
Diffstat (limited to 'yt_dlp/downloader/ism.py')
| -rw-r--r-- | yt_dlp/downloader/ism.py | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/yt_dlp/downloader/ism.py b/yt_dlp/downloader/ism.py index b3e22793b..103064df1 100644 --- a/yt_dlp/downloader/ism.py +++ b/yt_dlp/downloader/ism.py @@ -48,7 +48,7 @@ def write_piff_header(stream, params): language = params.get('language', 'und') height = params.get('height', 0) width = params.get('width', 0) - is_audio = width == 0 and height == 0 + stream_type = params['stream_type'] creation_time = modification_time = int(time.time()) ftyp_payload = b'isml' # major brand @@ -77,7 +77,7 @@ def write_piff_header(stream, params): tkhd_payload += u32.pack(0) * 2 # reserved tkhd_payload += s16.pack(0) # layer tkhd_payload += s16.pack(0) # alternate group - tkhd_payload += s88.pack(1 if is_audio else 0) # volume + tkhd_payload += s88.pack(1 if stream_type == 'audio' else 0) # volume tkhd_payload += u16.pack(0) # reserved tkhd_payload += unity_matrix tkhd_payload += u1616.pack(width) @@ -93,19 +93,35 @@ def write_piff_header(stream, params): mdia_payload = full_box(b'mdhd', 1, 0, mdhd_payload) # Media Header Box hdlr_payload = u32.pack(0) # pre defined - hdlr_payload += b'soun' if is_audio else b'vide' # handler type - hdlr_payload += u32.pack(0) * 3 # reserved - hdlr_payload += (b'Sound' if is_audio else b'Video') + b'Handler\0' # name + if stream_type == 'audio': # handler type + hdlr_payload += b'soun' + hdlr_payload += u32.pack(0) * 3 # reserved + hdlr_payload += b'SoundHandler\0' # name + elif stream_type == 'video': + hdlr_payload += b'vide' + hdlr_payload += u32.pack(0) * 3 # reserved + hdlr_payload += b'VideoHandler\0' # name + elif stream_type == 'text': + hdlr_payload += b'subt' + hdlr_payload += u32.pack(0) * 3 # reserved + hdlr_payload += b'SubtitleHandler\0' # name + else: + assert False mdia_payload += full_box(b'hdlr', 0, 0, hdlr_payload) # Handler Reference Box - if is_audio: + if stream_type == 'audio': smhd_payload = s88.pack(0) # balance smhd_payload += u16.pack(0) # reserved media_header_box = full_box(b'smhd', 0, 0, smhd_payload) # Sound Media Header - else: + elif stream_type == 'video': vmhd_payload = u16.pack(0) # graphics mode vmhd_payload += u16.pack(0) * 3 # opcolor media_header_box = full_box(b'vmhd', 0, 1, vmhd_payload) # Video Media Header + elif stream_type == 'text': + sthd_payload = u16.pack(0) * 2 + media_header_box = full_box(b'sthd', 0, 1, sthd_payload) # Subtitle Media Header + else: + assert False minf_payload = media_header_box dref_payload = u32.pack(1) # entry count @@ -117,7 +133,7 @@ def write_piff_header(stream, params): sample_entry_payload = u8.pack(0) * 6 # reserved sample_entry_payload += u16.pack(1) # data reference index - if is_audio: + if stream_type == 'audio': sample_entry_payload += u32.pack(0) * 2 # reserved sample_entry_payload += u16.pack(params.get('channels', 2)) sample_entry_payload += u16.pack(params.get('bits_per_sample', 16)) @@ -127,7 +143,7 @@ def write_piff_header(stream, params): if fourcc == 'AACL': sample_entry_box = box(b'mp4a', sample_entry_payload) - else: + elif stream_type == 'video': sample_entry_payload += u16.pack(0) # pre defined sample_entry_payload += u16.pack(0) # reserved sample_entry_payload += u32.pack(0) * 3 # pre defined @@ -155,6 +171,10 @@ def write_piff_header(stream, params): avcc_payload += pps sample_entry_payload += box(b'avcC', avcc_payload) # AVC Decoder Configuration Record sample_entry_box = box(b'avc1', sample_entry_payload) # AVC Simple Entry + else: + assert False + else: + assert False stsd_payload += sample_entry_box stbl_payload = full_box(b'stsd', 0, 0, stsd_payload) # Sample Description Box |