SMRTRingToneConverter.c
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2005
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*******************************************************************************
*
* Filename:
* ---------
* Midi.c
*
* Project:
* --------
* MediaTeck GSM
*
* Description:
* ------------
* This Module defines the OTA to Midi file conversion.
*
* Author:
* -------
* -------
* -------
*
*
* HISTORY
* -------
* Created On 16 September 2004
*******************************************************************************/
/* -------------------- Include files ------------------------------------------------ */
#include "MMI_include.h"
#if defined(__MMI_SMART_MESSAGE_MT__) || (defined(__MMI_SMART_MESSAGE_MO__) && !defined(__MMI_MESSAGES_EMS__))
#include "SMRTRingToneConverter.h"
#include "picmsgapitoothers.h"
static const int smrt_bpm_encoding[] = {25, 28, 31, 35, 40, 45, 50, 56, 63, 70, 80, 90, 100,
112, 125, 140, 160, 180, 200, 225, 250, 285, 320, 355,
400, 450, 500, 565, 635, 715, 800, 900
};
/* --------------------------------------------------------------------------------------- */
/* Start : JP for tracker Issue 178 : 20050602 */
/* -----------------------------------Start - Defines-------------------------------------- */
#define OTA_VERSION (0x30)
#define BYTE (8)
#define FOUR_BYTES (4 * BYTE)
/* -----------------------------------End - Defines-------------------------------------- */
/* End : JP for tracker Issue 178 : 20050602 */
/* ------------ Functions ----------------------------------------------------------- */
U32 mmi_smrt_write_varlen(U32 value);
void PlayAudioMidiStream(U8 *audioBuffer, U16 length, U8 style);
/* ---------------------------------------------------------------------------------- */
/*****************************************************************************
* FUNCTION
* mmi_smrt_midi_handler
* DESCRIPTION
* convert OTA Data to Midi format
*
* This is the main function of SMRT
* PARAMETERS
* OTAdata [?]
* g_smrt_midiarray [?]
* Midi(?) [OUT] File pointer
* OTA(?) [IN] Data buffer
* RETURNS
* TRUE : If it converts succesfully OTA to midi
* FALSE: If not
*****************************************************************************/
BOOL mmi_smrt_midi_handler(U8 *OTAdata, U8 *g_smrt_midiarray)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
U8 command_length, first_command, second_command, song_type; /* commands */
U8 song_titlelength; /* song title length */
U8 *song_title; /* pointer to song name */
U8 song_sequence_length; /* number of tracks */
U8 pattern_header; /* song pattern header */
U8 pattern_id; /* instruction ID */
U8 loop_value; /* pattern repeatation rate */
U8 pattern_specifier; /* number of pattern */
U32 midi_division_index; /* index to midi_division in Midi file */
U32 midi_filelen_index; /* index to file length in Midi file */
U32 pattern_data; /* instruction ID decoding */
U32 tmp_count; /* temporary counter */
U32 temp_note_duration; /* temporary note duration variable */
U32 midi_division = 480; /* default midi_tempo (delta time) */
U32 midi_tempo; /* midi tempo */
U8 note_value; /* note hex value */
U8 note_duration; /* note duration */
U8 note_dur_specifier; /* note duraion type */
U32 div_written = 1; /* flag to saved the tempo in header */
U32 midi_scale = 2; /* note scale */
U32 midi_style = 0; /* play style */
U32 buffer; /* to be used with tempo */
U16 file_index = 0; /* OTA file buffer index */
U32 midifilelength = 0; /* length of midi file */
U32 g_smrt_index = 0; /* midi file pointer */
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
// if(mmi_pmsg_string_search((S8*)RING_TONE_MELODY_SIGNATURE,(S8*)OTAdata)>=0) /* For format other than Smart ringtone */
if (mmi_pmsg_string_search((S8*) "MELODY:", (S8*) OTAdata) >= 0) /* For format other than Smart ringtone */
{
return FALSE;
}
#if (0)
/* under construction !*/
#endif /* (0) */
/* Start : JP for tracker Issue 178 : 20050602 */
{
U8 tmp = 0;
tmp = *(OTAdata);
if (OTA_VERSION == tmp)
{
file_index += FOUR_BYTES; /* !!! Hack : Skip 32 bits.May need to skip more bytes if text is present !!! */
}
}
/* End : JP for tracker Issue 178 : 20050602 */
command_length = mmi_pmsg_get_n_bits(OTAdata, file_index, 8); /* number of command */
file_index += 8;
if (command_length != 2)
{
return FALSE;
}
first_command = mmi_pmsg_get_n_bits(OTAdata, file_index, 8); /* get div_written command */
file_index += 8;
if (first_command != RINGTONEPROGRAMING_COMMAND)
{
return FALSE;
}
second_command = mmi_pmsg_get_n_bits(OTAdata, file_index, 7); /* get second command */
file_index += 7;
if (second_command != SOUND_COMMAND)
{
return FALSE;
}
song_type = mmi_pmsg_get_n_bits(OTAdata, file_index, 3); /* get song type */
file_index += 3; /* normally it comes as basic type (01) */
song_titlelength = mmi_pmsg_get_n_bits(OTAdata, file_index, 4); /* get song title length */
file_index += 4;
if (song_titlelength) /* if there is song name... retreive the same */
{ /* allocate the memory */
song_title = (U8*) OslMalloc(sizeof(U8) * song_titlelength);
memset(song_title, '\0', sizeof(U8) * song_titlelength);
/* copy the song title in the array to be dumped in Midi later ON */
for (tmp_count = 0; tmp_count < song_titlelength; tmp_count++)
{
*(song_title + tmp_count) = mmi_pmsg_get_n_bits(OTAdata, file_index, 8);
file_index += 8;
}
}
song_sequence_length = mmi_pmsg_get_n_bits(OTAdata, file_index, 8); /* number of songs */
file_index += 8;
pattern_header = mmi_pmsg_get_n_bits(OTAdata, file_index, 3); /* nth song */
file_index += 3;
pattern_id = mmi_pmsg_get_n_bits(OTAdata, file_index, 2); /* Pattern ID */
file_index += 2;
loop_value = mmi_pmsg_get_n_bits(OTAdata, file_index, 4); /* Loop value */
file_index += 4;
pattern_specifier = mmi_pmsg_get_n_bits(OTAdata, file_index, 8); /* number of instructions */
file_index += 8;
g_smrt_index = 0; /* make index to zero to (start making the MIDI file) */
/* Header of Midi file (4 bytes) */
g_smrt_midiarray[g_smrt_index++] = 'M';
g_smrt_midiarray[g_smrt_index++] = 'T';
g_smrt_midiarray[g_smrt_index++] = 'h';
g_smrt_midiarray[g_smrt_index++] = 'd';
/* Length of Header (4 bytes). Note: length is always 6 bytes */
g_smrt_midiarray[g_smrt_index++] = 0x0;
g_smrt_midiarray[g_smrt_index++] = 0x0;
g_smrt_midiarray[g_smrt_index++] = 0x0;
g_smrt_midiarray[g_smrt_index++] = 0x6;
// Format of Midi files (2 bytes). Note: 0 - single track, 1 - multiple tracks being played
// simultaneously, 2 - multiple tracks played independently
g_smrt_midiarray[g_smrt_index++] = 0x0;
g_smrt_midiarray[g_smrt_index++] = 0x0; /* NOTE: default value of 0 */
/* number of tracks (2 bytes) */
g_smrt_midiarray[g_smrt_index++] = 0x0;
g_smrt_midiarray[g_smrt_index++] = 0x1;
/* Division (2 bytes). This value represents delta time */
midi_division_index = g_smrt_index; /* Saved to update the delta time from tempo later ON */
g_smrt_midiarray[g_smrt_index++] = 0x01;
g_smrt_midiarray[g_smrt_index++] = 0xE0; /* NOTE: loaded default value of 125 BPM.will be changed later ON */
/* Track Header of Midi file (4 bytes) */
g_smrt_midiarray[g_smrt_index++] = 'M';
g_smrt_midiarray[g_smrt_index++] = 'T';
g_smrt_midiarray[g_smrt_index++] = 'r';
g_smrt_midiarray[g_smrt_index++] = 'k';
/* Length of track in bytes (4 bytes) */
midi_filelen_index = g_smrt_index; /* saved to update later ON */
g_smrt_midiarray[g_smrt_index++] = 0x0;
g_smrt_midiarray[g_smrt_index++] = 0x0;
g_smrt_midiarray[g_smrt_index++] = 0x0;
g_smrt_midiarray[g_smrt_index++] = 0x77; /* default value */
/* Write the song title. command is FF03 */
g_smrt_midiarray[g_smrt_index++] = 0x0; /* event delta time */
g_smrt_midiarray[g_smrt_index++] = 0xFF; /* command for track title name (2 bytes) */
g_smrt_midiarray[g_smrt_index++] = 0x03;
g_smrt_midiarray[g_smrt_index++] = song_titlelength; /* get the song title length */
for (tmp_count = 0; tmp_count < song_titlelength; tmp_count++)
{
g_smrt_midiarray[g_smrt_index++] = *(song_title + tmp_count); /* copy the song title name */
}
OslMfree(song_title); /* deallocate the memory sustained by song title. */
for (tmp_count = 0; tmp_count < pattern_specifier; tmp_count++) /* get the Note, scale, style , tempo, vol variables */
{ /* 3 bits each */
pattern_data = mmi_pmsg_get_n_bits(OTAdata, file_index, 3);
file_index += 3;
switch (pattern_data)
{
case 0: /* pattern ID. NOTE: Ignored if it comes in between */
break;
case 1: /* Get Note pattern_data */
note_value = mmi_pmsg_get_n_bits(OTAdata, file_index, 4); /* Note Value */
file_index += 4;
note_duration = mmi_pmsg_get_n_bits(OTAdata, file_index, 3); /* Note Duration */
file_index += 3;
note_dur_specifier = mmi_pmsg_get_n_bits(OTAdata, file_index, 2); /* Actual tone duration */
file_index += 2;
/* Calculate the note duration with tempo value, default is 480 */
switch (note_duration)
{
case 0:
temp_note_duration = midi_division * 4;
break; /* full note */
case 1:
temp_note_duration = midi_division * 2;
break; /* 1/2 note */
case 2:
temp_note_duration = midi_division;
break; /* 1/4 note */
case 3:
temp_note_duration = midi_division / 2;
break; /* 1/8 note */
case 4:
temp_note_duration = midi_division / 4;
break; /* 1/16 note */
case 5:
temp_note_duration = midi_division / 8;
break; /* 1/32 note */
case 6: /* reserved */
case 7: /* reserved */
default: /* default is 1/4 note */
temp_note_duration = midi_division;
break;
}
/* Actual Note duration considering the duration specifier */
switch (note_dur_specifier)
{
case 0: /* No special duration */
break;
case 1: /* Dotted Note */
temp_note_duration = (temp_note_duration * 3) / 2;
break;
case 2: /* Double dotted note */
temp_note_duration = (temp_note_duration * 7) / 4;
break;
case 3: /* 2/3 length */
temp_note_duration = (temp_note_duration * 2) / 3;
break;
default: /* NO special duration */
break;
}
/* Command for Note ON 90 */
g_smrt_midiarray[g_smrt_index++] = 0x00; /* delta event time */
g_smrt_midiarray[g_smrt_index++] = 0x90; /* note ON */
if (note_value == 0) /* Note value is Pause */
{
g_smrt_midiarray[g_smrt_index++] = 0x00;
}
else
{ /* Have note values as per scale pattern_data. Only 4 octaves are considered */
switch (midi_scale)
{
case 0: /* 440 Hz */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x29;
break;
case 1: /* 880 Hz */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x3B;
break;
case 2: /* 1.76 KHz */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x47;
break;
case 3: /* 3.52 KHz */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x53;
break;
default: /* 1.76 KHz is taken as default */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x47;
break;
}
}
g_smrt_midiarray[g_smrt_index++] = 0x64; /* velocity taken as default: 64 */
/* Note ON duration is written as per style */
switch (midi_style)
{
case 0: /* normal ON */
case 1:
/* currently not using any style as it creats problem with some sites */
#if 0
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
#endif /* 0 */
case 2: /* Staccato style currently taken as Normal */
// mmi_smrt_write_varlen(temp_note_duration);
// break;
default: /* Normal ON */
buffer = mmi_smrt_write_varlen(temp_note_duration);
while (1)
{
g_smrt_midiarray[g_smrt_index++] = (U8) buffer;
if (buffer & 0x80)
{
buffer >>= 8;
}
else
{
break;
}
}
break;
}
/* Command for Note OFF 80 */
g_smrt_midiarray[g_smrt_index++] = 0x80; /* note OFF */
if (note_value == 0) /* Pause Note */
{
g_smrt_midiarray[g_smrt_index++] = 0x00;
}
else
{
/* Have note values as per scale pattern_data. Only 4 octaves are considered */
switch (midi_scale)
{
case 0: /* 440 Hz */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x29;
break;
case 1: /* 880 Hz */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x3B;
break;
case 2: /* 1.76 KHz */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x47;
break;
case 3: /* 3.52 KHz */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x53;
break;
default: /* 1.76 KHz is taken as default */
g_smrt_midiarray[g_smrt_index++] = note_value + 0x47;
break;
}
}
g_smrt_midiarray[g_smrt_index++] = 0x64; /* Note velocity is taken as 64 default */
break;
case 2: /* scale value */
midi_scale = mmi_pmsg_get_n_bits(OTAdata, file_index, 2);
file_index += 2;
break;
case 3: /* style value */
midi_style = mmi_pmsg_get_n_bits(OTAdata, file_index, 2);
file_index += 2;
break;
case 4: /* tempo */
midi_tempo = mmi_pmsg_get_n_bits(OTAdata, file_index, 5);
file_index += 5;
midi_tempo = smrt_bpm_encoding[midi_tempo];
midi_tempo = (60 * 1000000) / midi_tempo;
g_smrt_midiarray[g_smrt_index++] = 0x00; /* event delta time */
g_smrt_midiarray[g_smrt_index++] = 0xFF; /* tempo (3 bytes) */
g_smrt_midiarray[g_smrt_index++] = 0x51;
g_smrt_midiarray[g_smrt_index++] = 0x03;
g_smrt_midiarray[g_smrt_index++] = (U8) ((midi_tempo & 0xFF0000) >> 16); /* div_written 0x07; */
g_smrt_midiarray[g_smrt_index++] = (U8) ((midi_tempo & 0x00FF00) >> 8); /* second 0x53; */
g_smrt_midiarray[g_smrt_index++] = (U8) (midi_tempo & 0x00FF); /* third 00 */
midi_tempo = midi_tempo / 1000; /* calculating the midi_division */
if (div_written)
{ /* update the divion at the start of Midi file */
g_smrt_midiarray[midi_division_index++] = (U8) ((midi_tempo & 0xFF00) >> 8);
g_smrt_midiarray[midi_division_index] = (U8) ((midi_tempo & 0x00FF));
div_written = 0;
} /* else it is updated in between the midi file */
break;
case 5: /* volume value is ignored */
file_index += 4;
break;
default:
break;
}
}
/* Midi file end command */
g_smrt_midiarray[g_smrt_index++] = 0x00; /* event delta time */
g_smrt_midiarray[g_smrt_index++] = 0xFF; /* End of Midi file command (3 bytes) */
g_smrt_midiarray[g_smrt_index++] = 0x2F;
g_smrt_midiarray[g_smrt_index] = 0x00;
/* update the Midi file track length (4 bytes) */
midifilelength = g_smrt_index - MIDIHEADERLENGTH;
g_smrt_midiarray[midi_filelen_index++] = (U8) ((midifilelength & 0xFF000000) >> 24);
g_smrt_midiarray[midi_filelen_index++] = (U8) ((midifilelength & 0x00FF0000) >> 16);
g_smrt_midiarray[midi_filelen_index++] = (U8) ((midifilelength & 0x0000FF00) >> 8);
g_smrt_midiarray[midi_filelen_index] = (U8) ((midifilelength & 0x000000FF));
return 1;
}
/*****************************************************************************
* FUNCTION
* mmi_smrt_write_varlen
* DESCRIPTION
* convert the value in variable length as per midi format
* PARAMETERS
* value [IN] To be converted into variable length
* nothing(?) [OUT]
* RETURNS
* variable length value
*****************************************************************************/
U32 mmi_smrt_write_varlen(U32 value)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
U32 buffer;
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
buffer = value & 0x7F;
while ((value >>= 7))
{
buffer <<= 8;
buffer |= ((value & 0x7F) | 0x80);
}
return buffer;
}
/*****************************************************************************
* FUNCTION
* mmi_smrt_midi_file_size
* DESCRIPTION
* This return the total midi file size including the header.
* In midi file only track length is taken into consideration
* and not header. SO this function adds that track length + header
* to give complete midi file size.
* PARAMETERS
* midifile [?]
* pointer(?) [IN] To midifile
* nothing(?) [OUT]
* RETURNS
* size fo file
*****************************************************************************/
U32 mmi_smrt_midi_file_size(U8 *midifile)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
/* length of midi file will be from location 18 to 24. */
U32 midiFileLength;
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
midiFileLength = (midifile[MIDIFILELENGTHOFFSET] << 24);
midiFileLength = (midiFileLength | (midifile[MIDIFILELENGTHOFFSET + 1] << 16));
midiFileLength = (midiFileLength | (midifile[MIDIFILELENGTHOFFSET + 2] << 8));
midiFileLength = (midiFileLength | midifile[MIDIFILELENGTHOFFSET + 3]);
return (midiFileLength + MIDIHEADERLENGTH);
}
/*****************************************************************************
* FUNCTION
* mmi_smrt_midi_track_name
* DESCRIPTION
* This return pointer midi file track title.
*
* application should free this memory after computation
* PARAMETERS
* midifile [?]
* pointer(?) [IN] To midifile
* nothing(?) [OUT]
* RETURNS
* pointer to midi file track title.
*****************************************************************************/
U8 *mmi_smrt_midi_track_name(U8 *midifile)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
U8 *trackTItle = NULL;
U8 titleLength, i;
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
titleLength = midifile[MIDITRACKTITLEOFFSET];
if (titleLength > 0)
{
trackTItle = (U8*) OslMalloc(titleLength + 1);
memset(trackTItle, '\0', titleLength + 1);
for (i = 0; i < titleLength; i++)
{
trackTItle[i] = midifile[MIDITRACKTITLEOFFSET + i];
}
trackTItle[++i] = '\0';
}
return trackTItle;
}
#endif /* defined(__MMI_SMART_MESSAGE_MT__) || (defined(__MMI_SMART_MESSAGE_MO__) && !defined(__MMI_MESSAGES_EMS__)) */
/* ---------------------end of SMRTRingToneConverter.c-------------------------------------- */