diff options
Diffstat (limited to 'src/mov_encoder_writer.cc')
-rw-r--r-- | src/mov_encoder_writer.cc | 133 |
1 files changed, 128 insertions, 5 deletions
diff --git a/src/mov_encoder_writer.cc b/src/mov_encoder_writer.cc index e1179b9..7f982de 100644 --- a/src/mov_encoder_writer.cc +++ b/src/mov_encoder_writer.cc @@ -31,6 +31,9 @@ /* * $Log$ + * Revision 1.9 2005/07/05 23:15:16 deva + * *** empty log message *** + * * Revision 1.8 2005/06/30 10:04:35 deva * *** empty log message *** * @@ -134,11 +137,11 @@ void MovEncoderWriter::thread_main() Frame *frame; + write_multiplex_header(); + while(running) { sem_wait(sem); - // int poolsize; - // Lock output mutex pthread_mutex_lock(mutex); frame = queue->top(); @@ -150,7 +153,7 @@ void MovEncoderWriter::thread_main() int wrote = 0; while(frame && (frame->number == frame_number)) { - int ret; + int ret = 0; ret = file->Write(frame->data, frame->size); frame_number++; @@ -171,9 +174,129 @@ void MovEncoderWriter::thread_main() pthread_mutex_unlock(mutex); // Unlock output mutex } - - // info->info("Wrote %d frames, pool size %d - exp: %d", wrote, poolsize, frame_number); } info->info("MovEncoderWriter::stop"); } + + +/** + * Byte# Data Details + * =================================================================== + * 1-4 Sequence header In Hex 000001B3 + * code + * 12 bits Horizontal size In pixels + * 12 bits Vertical size In pixels + * 4 bits Pel aspect ratio See below + * 18 bits Frame rate See below + * 1 bit Marker bit Always 1 + * 10 bits VBV buffer size Minimum buffer needed to decode this + * sequence of pictures; in 16KB units + * 1 bit Constrained + * parameter flag + * 1 bit Load intra 0: false; 1: true (matrix follows) + * quantizer matrix + * 64 bytes Intra quantizer Optional + * matrix + * 1 bit Load nonintra 0: false; 1: true (matrix follows) + * quantizer matrix + * 64 bytes Nonintra quantizer Optional + * matrix + * - Squence extension Optional + * Data + * - User data Optional application-dependent data + * =================================================================== + */ +/** + * Pel aspect ratio: + * The actual height of a 12 pixels wide area (normal is 12 = square) + * Aspect Ratio (from http://homepage.mac.com/rnc/EditMpegHeaderIFO.html) + * 1 = 1:1 + * 2 = 4:3 + * 3 = 16:9 + * 4 = 2.211 (not used in dvd) + * 12 = unknown (or undefined!) + */ + +/** + * Frame rates: + * 1 = 23.976 frames/sec + * 2 = 24 + * 3 = 25 + * 4 = 29.97 + * 5 = 30 + * 6 = 50 + * 7 = 59.94 + * 8 = 60 + */ +void MovEncoderWriter::write_video_header() +{ + char header[] = { + 0x00, 0x00, 0x01, 0xB3, // Header + 0x2D, 0x02, 0x40, // 12 bits width, 12 bits height - 720 (hex: 2D0) x 576 (hex: 240) + 0x23, // 4 bits aspect (12 (hex C) works!) 4 bits frameratecode - 3 := 25fps (hex: 3) + 0x00, 0x00, // Bitrate - 0 (hex : 0) + 0x20, 0xA5, 0x10, 0x12, 0x12, 0x14, + 0x14, 0x14, 0x16, 0x16, 0x16, 0x16, 0x18, 0x18, 0x19, 0x18, 0x18, 0x1A, 0x1B, 0x1B, 0x1B, 0x1B, + 0x1A, 0x1C, 0x1D, 0x1E, 0x1E, 0x1E, 0x1D, 0x1C, 0x1E, 0x1F, 0x20, 0x21, 0x21, 0x20, 0x1F, 0x1E, + 0x21, 0x23, 0x23, 0x24, 0x23, 0x23, 0x21, 0x25, 0x26, 0x27, 0x27, 0x26, 0x25, 0x29, 0x2A, 0x2A, + 0x2A, 0x29, 0x2D, 0x2D, 0x2D, 0x2D, 0x30, 0x31, 0x30, 0x34, 0x34, 0x38, 0x16, 0x00, 0xF0, 0xC4, + 0x00, 0x00, 0x01, 0xB8, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x0A, 0x72, 0x00, + 0x00, 0x00, 0x01, 0x01, 0x13, 0xF9, 0x50, 0x02, 0xBC, 0xB2, 0xB8, 0xBE, 0x68, 0x8B, 0xA4, 0x9F, + 0xC5, 0xB5, 0xCA, 0x00, 0x56, 0x76, 0x39, 0x65, 0xF2, 0x30, 0x8B, 0xA6, 0x9D, 0x50, 0x69, 0xE7, + 0xDA, 0xFE, 0x13, 0xCF, 0xB7, 0xFF, 0x8F, 0xF4, 0xCE, 0x7B, 0xFA, 0x0E, 0xF0, 0x66, 0xAE, 0x1C, + 0x5D, 0xE7, 0x00, 0xC8, 0x0A, 0x92, 0xB9, 0x29, 0x3C, 0x21, 0x23, 0xF1, 0xD6, 0x40, 0x13, 0x06, + 0xF0, 0x10, 0x10, 0xC6, 0x27, 0x80, 0xA0, 0x34, 0xE1, 0xC8, 0xE4, 0x0F, 0x74, 0x91, 0xDA, 0xC4, + 0x03, 0xA0, 0xDC, 0x03, 0x12, 0x60, 0x18, 0x49, 0x27, 0x1D, 0xD4, 0xBC, 0x67, 0x0E, 0x54, 0x8C, + 0x96, 0xFC, 0x5D, 0xC0, 0x06, 0xE0, 0x1A, 0x72, 0x11, 0x7C, 0x9A, 0x8D, 0xC9, 0x45, 0x89, 0x6D, + 0xCD, 0xC4, 0x0B, 0x63, 0xDC, 0x90, 0x18, 0x24, 0x00, 0xEC, 0x84, 0x90, 0x18, 0x10, 0xC9, 0x3B, + 0x1E, 0xA7, 0x60, 0x3C, 0x9D, 0x74, 0x80, 0x76, 0x05, 0x0B, 0x02, 0x81, 0xA9, 0x29, 0x39, 0x68, + 0x53, 0x8F, 0x59, 0xF1, 0xBF, 0x93, 0xFB, 0xA0, 0x04, 0x01, 0xBC, 0xB0, 0xCE, 0x18, 0xE1, 0x25 + }; + + file->Write(header, sizeof(header)); + + +} +/* +4449 0433 0000 0000 +*/ +void MovEncoderWriter::write_audio_header() +{ + char header[] = { + 0x44, 0x49, 0x04, 0x33, + 0x00, 0x00, 0x00, 0x00 + }; + + file->Write(header, sizeof(header)); +} + +void MovEncoderWriter::write_multiplex_header() +{ + char header[] = { + 0x00, 0x00, 0xba, 0x01, + 0x00, + 0x21, 0x00, 0x01, 0x80, 0x19, 0x8d, 0x0a, + 0x00, 0x00, 0xbb, 0x01, + 0x0c, 0x00, 0x0a, 0x80, 0x06, 0x8d, 0xff, 0xe1, 0xe0, 0xe0, 0xc0, 0x25, 0x20, 0xc0a, 0x00, 0x00, + 0xba, 0x01, 0x00, 0x21, 0x15, 0x01, 0x80, 0x6d, 0x8d, 0x0a + /* + 0x00, 0x00, 0xe0, 0x01a, 0x3d, 0x04, + 0x25, 0x60, 0x00, 0x31, 0xd7, 0x03, 0x11, 0x8f, 0x03, 0x00, 0x19, 0xc0, 0x00, 0x00a, 0xb3, 0x01, + 0x00, 0x16, 0xc4, 0xf0, 0x38, 0x01, 0x85, 0xa0, 0x11, 0x10, 0x12, 0x11, 0x12, 0x12a, 0x13, 0x13, + 0x13, 0x13, 0x14, 0x14, 0x14, 0x14, 0x15, 0x14, 0x15, 0x15, 0x15, 0x15, 0x16, 0x15a, 0x16, 0x16, + 0x16, 0x16, 0x16, 0x16, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x18, 0x18a, 0x19, 0x18, + 0x18, 0x18, 0x19, 0x18, 0x1a, 0x1a, 0x1a, 0x1a, 0x1b, 0x19, 0x1b, 0x1b, 0x1b, 0x1ba, 0x1c, 0x1c, + 0x1c, 0x1c, 0x1e, 0x1e, 0x1f, 0x1e, 0x21, 0x1f, 0x00, 0x00, 0xb2, 0x01, 0x87, 0x00a, 0x00, 0x81, + 0x65, 0x26, 0x63, 0x6e, 0x64, 0x6f, 0x64, 0x65, 0x62, 0x20, 0x20, 0x79, 0x4d, 0x54a, 0x47, 0x50, + 0x6e, 0x45, 0x20, 0x63, 0x76, 0x28, 0x72, 0x65, 0x20, 0x2e, 0x2e, 0x32, 0x32, 0x35a, 0x2e, 0x31, + 0x38, 0x35, 0x31, 0x2e, 0x39, 0x36, 0x00, 0x29, 0x00, 0x00, 0xb8, 0x01, 0xab, 0x00a, 0x20, 0x22, + 0x00, 0x00, 0x00, 0x01, 0x8d, 0x00, 0x78, 0x09, 0x00, 0x00, 0x01, 0x01, 0xf9, 0x1ba, 0x20, 0xf8, + 0x02, 0x5e, 0xa1, 0x18, 0x11, 0x30, 0x70, 0xfe, 0xd3, 0x00, 0x4c, 0xdf, 0x84, 0x02a, 0x30, 0xd0, + 0x9e, 0x5b, 0x77, 0x81, 0x41, 0xcc, 0xf4, 0x02, 0xc5, 0x10, 0x40, 0x08, 0xf3, 0x8fa, 0x06, 0x80, + 0xfa, 0x9e, 0xe7, 0x95, 0x3c, 0x80, 0x09, 0xc1, 0x20, 0xbd, 0xbf, 0x07, 0xd0, 0xe2a, 0xaa, 0x62 + */ + }; + + file->Write(header, sizeof(header)); +} |