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Diffstat (limited to 'gst-libs/ext/mplex/audiostrm.hh')
-rw-r--r-- | gst-libs/ext/mplex/audiostrm.hh | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/gst-libs/ext/mplex/audiostrm.hh b/gst-libs/ext/mplex/audiostrm.hh deleted file mode 100644 index bc0167ac..00000000 --- a/gst-libs/ext/mplex/audiostrm.hh +++ /dev/null @@ -1,163 +0,0 @@ - -/* - * inptstrm.hh: Input stream classes for MPEG multiplexing - * TODO: Split into the base classes and the different types of - * actual input stream. - * - * Copyright (C) 2001 Andrew Stevens <andrew.stevens@philips.com> - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __AUDIOSTRM_H__ -#define __AUDIOSTRM_H__ - -#include "inputstrm.hh" - -class AudioStream:public ElementaryStream -{ -public: - AudioStream (IBitStream & ibs, OutputStream & into); - virtual void Init (const int stream_num) = 0; - virtual void Close () = 0; - - void OutputSector (); - bool RunOutComplete (); - virtual unsigned int NominalBitRate () = 0; - - unsigned int num_syncword; - unsigned int num_frames[2]; - unsigned int size_frames[2]; - unsigned int version_id; - unsigned int layer; - unsigned int protection; - unsigned int bit_rate_code; - unsigned int frequency; - unsigned int mode; - unsigned int mode_extension; - unsigned int copyright; - unsigned int original_copy; - unsigned int emphasis; - -protected: - virtual bool AUBufferNeedsRefill (); - virtual void FillAUbuffer (unsigned int frames_to_buffer) = 0; - void InitAUbuffer (); - - /* State variables for scanning source bit-stream */ - unsigned int framesize; - unsigned int skip; - unsigned int samples_per_second; - unsigned long long int length_sum; - AAunit access_unit; -}; - -class MPAStream:public AudioStream -{ -public: - MPAStream (IBitStream & ibs, OutputStream & into); - virtual void Init (const int stream_num); - static bool Probe (IBitStream & bs); - virtual void Close (); - virtual unsigned int NominalBitRate (); - - -private: - void OutputHdrInfo (); - unsigned int SizeFrame (int bit_rate, int padding_bit); - virtual void FillAUbuffer (unsigned int frames_to_buffer); - - - /* State variables for scanning source bit-stream */ - unsigned int framesize; - unsigned int skip; - unsigned int samples_per_second; -}; - - - -class AC3Stream:public AudioStream -{ -public: - AC3Stream (IBitStream & ibs, OutputStream & into); - virtual void Init (const int stream_num); - static bool Probe (IBitStream & bs); - virtual void Close (); - virtual unsigned int NominalBitRate (); - - virtual unsigned int ReadPacketPayload (uint8_t * dst, unsigned int to_read); - virtual unsigned int StreamHeaderSize () - { - return 4; - } - - -private: - void OutputHdrInfo (); - virtual void FillAUbuffer (unsigned int frames_to_buffer); - - static const unsigned int default_buffer_size = 16 * 1024; - - /* State variables for scanning source bit-stream */ - unsigned int framesize; - unsigned int samples_per_second; - unsigned int bit_rate; - unsigned int stream_num; -}; - -class LPCMStream:public AudioStream -{ -public: - LPCMStream (IBitStream & ibs, OutputStream & into); - virtual void Init (const int stream_num); - static bool Probe (IBitStream & bs); - virtual void Close (); - virtual unsigned int NominalBitRate (); - - virtual unsigned int ReadPacketPayload (uint8_t * dst, unsigned int to_read); - virtual unsigned int StreamHeaderSize () - { - return 7; - } - - -private: - void OutputHdrInfo (); - virtual void FillAUbuffer (unsigned int frames_to_buffer); - - static const unsigned int default_buffer_size = 232 * 1024; - static const unsigned int ticks_per_frame_90kHz = 150; - - /* State variables for scanning source bit-stream */ - unsigned int stream_num; - unsigned int samples_per_second; - unsigned int channels; - unsigned int bits_per_sample; - unsigned int bytes_per_frame; - unsigned int frame_index; - unsigned int dynamic_range_code; -}; - - -#endif // __AUDIOSTRM_H__ - - -/* - * Local variables: - * c-file-style: "stroustrup" - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ |