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vlc-2-2
Commit d98042dd authored by Rafaël Carré's avatar Rafaël Carré
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mp4a packetizer: cosmetics

parent 398d9abf
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Showing with 346 additions and 481 deletions
modules/packetizer/mpeg4audio.c
View file @ d98042dd
......@@ -159,102 +159,92 @@ static const int pi_sample_rates[16] =
/****************************************************************************
* Local prototypes
****************************************************************************/
static int OpenPacketizer( vlc_object_t * );
static void ClosePacketizer( vlc_object_t * );
static int OpenPacketizer(vlc_object_t *);
static void ClosePacketizer(vlc_object_t *);
static block_t *PacketizeRawBlock ( decoder_t *, block_t ** );
static block_t *PacketizeStreamBlock( decoder_t *, block_t ** );
static block_t *PacketizeRawBlock (decoder_t *, block_t **);
static block_t *PacketizeStreamBlock(decoder_t *, block_t **);
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin ()
set_category( CAT_SOUT )
set_subcategory( SUBCAT_SOUT_PACKETIZER )
set_description( N_("MPEG4 audio packetizer") )
set_capability( "packetizer", 50 )
set_callbacks( OpenPacketizer, ClosePacketizer )
set_category(CAT_SOUT)
set_subcategory(SUBCAT_SOUT_PACKETIZER)
set_description(N_("MPEG4 audio packetizer"))
set_capability("packetizer", 50)
set_callbacks(OpenPacketizer, ClosePacketizer)
vlc_module_end ()
/*****************************************************************************
* OpenPacketizer: probe the packetizer and return score
*****************************************************************************/
static int OpenPacketizer( vlc_object_t *p_this )
static int OpenPacketizer(vlc_object_t *p_this)
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
if( p_dec->fmt_in.i_codec != VLC_CODEC_MP4A )
{
if (p_dec->fmt_in.i_codec != VLC_CODEC_MP4A)
return VLC_EGENERIC;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
if ((p_dec->p_sys = p_sys = (decoder_sys_t *)malloc(sizeof(decoder_sys_t))) == NULL)
return VLC_ENOMEM;
/* Misc init */
p_sys->i_state = STATE_NOSYNC;
date_Set( &p_sys->end_date, 0 );
block_BytestreamInit( &p_sys->bytestream );
date_Set(&p_sys->end_date, 0);
block_BytestreamInit(&p_sys->bytestream);
p_sys->b_latm_cfg = false;
/* Set output properties */
p_dec->fmt_out.i_cat = AUDIO_ES;
p_dec->fmt_out.i_codec = VLC_CODEC_MP4A;
msg_Dbg( p_dec, "running MPEG4 audio packetizer" );
msg_Dbg(p_dec, "running MPEG4 audio packetizer");
if( p_dec->fmt_in.i_extra > 0 )
{
if (p_dec->fmt_in.i_extra > 0) {
uint8_t *p_config = (uint8_t*)p_dec->fmt_in.p_extra;
int i_index;
i_index = ( ( p_config[0] << 1 ) | ( p_config[1] >> 7 ) ) & 0x0f;
if( i_index != 0x0f )
{
i_index = ((p_config[0] << 1) | (p_config[1] >> 7)) & 0x0f;
if (i_index != 0x0f) {
p_dec->fmt_out.audio.i_rate = pi_sample_rates[i_index];
p_dec->fmt_out.audio.i_frame_length =
(( p_config[1] >> 2 ) & 0x01) ? 960 : 1024;
}
else
{
p_dec->fmt_out.audio.i_rate = ( ( p_config[1] & 0x7f ) << 17 ) |
( p_config[2] << 9 ) | ( p_config[3] << 1 ) |
( p_config[4] >> 7 );
((p_config[1] >> 2) & 0x01) ? 960 : 1024;
} else {
p_dec->fmt_out.audio.i_rate = ((p_config[1] & 0x7f) << 17) |
(p_config[2] << 9) | (p_config[3] << 1) |
(p_config[4] >> 7);
p_dec->fmt_out.audio.i_frame_length =
(( p_config[4] >> 2 ) & 0x01) ? 960 : 1024;
((p_config[4] >> 2) & 0x01) ? 960 : 1024;
}
p_dec->fmt_out.audio.i_channels =
(p_config[i_index == 0x0f ? 4 : 1] >> 3) & 0x0f;
msg_Dbg( p_dec, "AAC %dHz %d samples/frame",
msg_Dbg(p_dec, "AAC %dHz %d samples/frame",
p_dec->fmt_out.audio.i_rate,
p_dec->fmt_out.audio.i_frame_length );
p_dec->fmt_out.audio.i_frame_length);
date_Init( &p_sys->end_date, p_dec->fmt_out.audio.i_rate, 1 );
date_Init(&p_sys->end_date, p_dec->fmt_out.audio.i_rate, 1);
p_dec->fmt_out.i_extra = p_dec->fmt_in.i_extra;
p_dec->fmt_out.p_extra = malloc( p_dec->fmt_in.i_extra );
if( !p_dec->fmt_out.p_extra )
{
p_dec->fmt_out.p_extra = malloc(p_dec->fmt_in.i_extra);
if (!p_dec->fmt_out.p_extra) {
p_dec->fmt_out.i_extra = 0;
return VLC_ENOMEM;
}
memcpy( p_dec->fmt_out.p_extra, p_dec->fmt_in.p_extra,
p_dec->fmt_in.i_extra );
memcpy(p_dec->fmt_out.p_extra, p_dec->fmt_in.p_extra,
p_dec->fmt_in.i_extra);
/* Set callback */
p_dec->pf_packetize = PacketizeRawBlock;
p_sys->i_type = TYPE_RAW;
}
else
{
msg_Dbg( p_dec, "no decoder specific info, must be an ADTS or LOAS stream" );
} else {
msg_Dbg(p_dec, "no decoder specific info, must be an ADTS or LOAS stream");
date_Init( &p_sys->end_date, p_dec->fmt_in.audio.i_rate, 1 );
date_Init(&p_sys->end_date, p_dec->fmt_in.audio.i_rate, 1);
/* We will try to create a AAC Config from adts/loas */
p_dec->fmt_out.i_extra = 0;
......@@ -273,39 +263,36 @@ static int OpenPacketizer( vlc_object_t *p_this )
****************************************************************************
* This function must be fed with complete frames.
****************************************************************************/
static block_t *PacketizeRawBlock( decoder_t *p_dec, block_t **pp_block )
static block_t *PacketizeRawBlock(decoder_t *p_dec, block_t **pp_block)
{
decoder_sys_t *p_sys = p_dec->p_sys;
block_t *p_block;
if( !pp_block || !*pp_block ) return NULL;
if (!pp_block || !*pp_block)
return NULL;
if( (*pp_block)->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
{
date_Set( &p_sys->end_date, 0 );
block_Release( *pp_block );
if ((*pp_block)->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED)) {
date_Set(&p_sys->end_date, 0);
block_Release(*pp_block);
return NULL;
}
p_block = *pp_block;
*pp_block = NULL; /* Don't reuse this block */
if( !date_Get( &p_sys->end_date ) && p_block->i_pts <= VLC_TS_INVALID )
{
if (!date_Get(&p_sys->end_date) && p_block->i_pts <= VLC_TS_INVALID) {
/* We've just started the stream, wait for the first PTS. */
block_Release( p_block );
block_Release(p_block);
return NULL;
}
else if( p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
} else if (p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get(&p_sys->end_date)) {
date_Set(&p_sys->end_date, p_block->i_pts);
}
p_block->i_pts = p_block->i_dts = date_Get( &p_sys->end_date );
p_block->i_pts = p_block->i_dts = date_Get(&p_sys->end_date);
p_block->i_length = date_Increment( &p_sys->end_date,
p_dec->fmt_out.audio.i_frame_length ) - p_block->i_pts;
p_block->i_length = date_Increment(&p_sys->end_date,
p_dec->fmt_out.audio.i_frame_length) - p_block->i_pts;
return p_block;
}
......@@ -313,17 +300,17 @@ static block_t *PacketizeRawBlock( decoder_t *p_dec, block_t **pp_block )
/****************************************************************************
* ADTS helpers
****************************************************************************/
static int ADTSSyncInfo( decoder_t * p_dec, const uint8_t * p_buf,
static int ADTSSyncInfo(decoder_t * p_dec, const uint8_t * p_buf,
unsigned int * pi_channels,
unsigned int * pi_sample_rate,
unsigned int * pi_frame_length,
unsigned int * pi_header_size )
unsigned int * pi_header_size)
{
int i_profile, i_sample_rate_idx, i_frame_size;
bool b_crc;
/* Fixed header between frames */
//int i_id = ( (p_buf[1] >> 3) & 0x01) ? 2 : 4; /* MPEG-2 or 4 */
//int i_id = ((p_buf[1] >> 3) & 0x01) ? 2 : 4; /* MPEG-2 or 4 */
b_crc = !(p_buf[1] & 0x01);
i_profile = p_buf[2] >> 6;
i_sample_rate_idx = (p_buf[2] >> 2) & 0x0f;
......@@ -343,47 +330,39 @@ static int ADTSSyncInfo( decoder_t * p_dec, const uint8_t * p_buf,
//uint16_t buffer_fullness = ((p_buf[5] & 0x1f) << 6) | (p_buf[6] >> 2);
unsigned short i_raw_blocks_in_frame = p_buf[6] & 0x03;
if( !*pi_sample_rate || !i_frame_size )
{
msg_Warn( p_dec, "Invalid ADTS header" );
if (!*pi_sample_rate || !i_frame_size) {
msg_Warn(p_dec, "Invalid ADTS header");
return 0;
}
*pi_frame_length = 1024;
if( i_raw_blocks_in_frame == 0 )
{
if( b_crc )
{
msg_Warn( p_dec, "ADTS CRC not supported" );
if (i_raw_blocks_in_frame == 0) {
if (b_crc) {
msg_Warn(p_dec, "ADTS CRC not supported");
//uint16_t crc = (p_buf[7] << 8) | p_buf[8];
}
}
else
{
msg_Err( p_dec, "Multiple blocks per frame in ADTS not supported" );
} else {
msg_Err(p_dec, "Multiple blocks per frame in ADTS not supported");
return 0;
#if 0
int i;
const uint8_t *p_pos = p_buf + 7;
uint16_t crc_block;
uint16_t i_block_pos[3];
if( b_crc )
{
for( i = 0 ; i < i_raw_blocks_in_frame ; i++ )
{ /* the 1st block's position is known ... */
if (b_crc) {
for (i = 0 ; i < i_raw_blocks_in_frame ; i++) {
/* the 1st block's position is known ... */
i_block_pos[i] = (*p_pos << 8) | *(p_pos+1);
p_pos += 2;
}
crc_block = (*p_pos << 8) | *(p_pos+1);
p_pos += 2;
}
for( i = 0 ; i <= i_raw_blocks_in_frame ; i++ )
{
for (i = 0 ; i <= i_raw_blocks_in_frame ; i++) {
//read 1 block
if( b_crc )
{
msg_Err( p_dec, "ADTS CRC not supported" );
if (b_crc) {
msg_Err(p_dec, "ADTS CRC not supported");
//uint16_t crc = (*p_pos << 8) | *(p_pos+1);
//p_pos += 2;
}
......@@ -393,11 +372,9 @@ static int ADTSSyncInfo( decoder_t * p_dec, const uint8_t * p_buf,
/* Build the decoder specific info header */
if( !p_dec->fmt_out.i_extra )
{
p_dec->fmt_out.p_extra = malloc( 2 );
if( !p_dec->fmt_out.p_extra )
{
if (!p_dec->fmt_out.i_extra) {
p_dec->fmt_out.p_extra = malloc(2);
if (!p_dec->fmt_out.p_extra) {
p_dec->fmt_out.i_extra = 0;
return 0;
}
......@@ -417,94 +394,87 @@ static int ADTSSyncInfo( decoder_t * p_dec, const uint8_t * p_buf,
/****************************************************************************
* LOAS helpers
****************************************************************************/
static int LOASSyncInfo( uint8_t p_header[LOAS_HEADER_SIZE], unsigned int *pi_header_size )
static int LOASSyncInfo(uint8_t p_header[LOAS_HEADER_SIZE], unsigned int *pi_header_size)
{
*pi_header_size = 3;
return ( ( p_header[1] & 0x1f ) << 8 ) + p_header[2];
return ((p_header[1] & 0x1f) << 8) + p_header[2];
}
static int Mpeg4GAProgramConfigElement( bs_t *s )
static int Mpeg4GAProgramConfigElement(bs_t *s)
{
/* TODO compute channels count ? */
int i_tag = bs_read( s, 4 );
if( i_tag != 0x05 )
int i_tag = bs_read(s, 4);
if (i_tag != 0x05)
return -1;
bs_skip( s, 2 + 4 ); // object type + sampling index
int i_num_front = bs_read( s, 4 );
int i_num_side = bs_read( s, 4 );
int i_num_back = bs_read( s, 4 );
int i_num_lfe = bs_read( s, 2 );
int i_num_assoc_data = bs_read( s, 3 );
int i_num_valid_cc = bs_read( s, 4 );
if( bs_read1(s) )
bs_skip( s, 4 ); // mono downmix
if( bs_read1(s) )
bs_skip( s, 4 ); // stereo downmix
if( bs_read1(s) )
bs_skip( s, 2+1 ); // matrix downmix + pseudo_surround
bs_skip( s, i_num_front * (1+4) );
bs_skip( s, i_num_side * (1+4) );
bs_skip( s, i_num_back * (1+4) );
bs_skip( s, i_num_lfe * (4) );
bs_skip( s, i_num_assoc_data * (4) );
bs_skip( s, i_num_valid_cc * (5) );
bs_align( s );
int i_comment = bs_read( s, 8 );
bs_skip( s, i_comment * 8 );
bs_skip(s, 2 + 4); // object type + sampling index
int i_num_front = bs_read(s, 4);
int i_num_side = bs_read(s, 4);
int i_num_back = bs_read(s, 4);
int i_num_lfe = bs_read(s, 2);
int i_num_assoc_data = bs_read(s, 3);
int i_num_valid_cc = bs_read(s, 4);
if (bs_read1(s))
bs_skip(s, 4); // mono downmix
if (bs_read1(s))
bs_skip(s, 4); // stereo downmix
if (bs_read1(s))
bs_skip(s, 2+1); // matrix downmix + pseudo_surround
bs_skip(s, i_num_front * (1+4));
bs_skip(s, i_num_side * (1+4));
bs_skip(s, i_num_back * (1+4));
bs_skip(s, i_num_lfe * (4));
bs_skip(s, i_num_assoc_data * (4));
bs_skip(s, i_num_valid_cc * (5));
bs_align(s);
int i_comment = bs_read(s, 8);
bs_skip(s, i_comment * 8);
return 0;
}
static int Mpeg4GASpecificConfig( mpeg4_cfg_t *p_cfg, bs_t *s )
static int Mpeg4GASpecificConfig(mpeg4_cfg_t *p_cfg, bs_t *s)
{
p_cfg->i_frame_length = bs_read1(s) ? 960 : 1024;
if( bs_read1( s ) ) // depend on core coder
bs_skip( s, 14 ); // core coder delay
if (bs_read1(s)) // depend on core coder
bs_skip(s, 14); // core coder delay
int i_extension_flag = bs_read1( s );
if( p_cfg->i_channel == 0 )
{
Mpeg4GAProgramConfigElement( s );
}
if( p_cfg->i_object_type == 6 || p_cfg->i_object_type == 20 )
bs_skip( s, 3 ); // layer
int i_extension_flag = bs_read1(s);
if (p_cfg->i_channel == 0)
Mpeg4GAProgramConfigElement(s);
if (p_cfg->i_object_type == 6 || p_cfg->i_object_type == 20)
bs_skip(s, 3); // layer
if( i_extension_flag )
{
if( p_cfg->i_object_type == 22 )
{
bs_skip( s, 5 + 11 ); // numOfSubFrame + layer length
}
if( p_cfg->i_object_type == 17 || p_cfg->i_object_type == 19 ||
p_cfg->i_object_type == 20 || p_cfg->i_object_type == 23 )
{
bs_skip( s, 1+1+1 ); // ER data : section scale spectral */
}
if( bs_read1( s ) ) // extension 3
fprintf( stderr, "Mpeg4GASpecificConfig: error 1\n" );
if (i_extension_flag) {
if (p_cfg->i_object_type == 22)
bs_skip(s, 5 + 11); // numOfSubFrame + layer length
if (p_cfg->i_object_type == 17 || p_cfg->i_object_type == 19 ||
p_cfg->i_object_type == 20 || p_cfg->i_object_type == 23)
bs_skip(s, 1+1+1); // ER data : section scale spectral */
if (bs_read1(s)) // extension 3
fprintf(stderr, "Mpeg4GASpecificConfig: error 1\n");
}
return 0;
}
static int Mpeg4ReadAudioObjectType( bs_t *s )
static int Mpeg4ReadAudioObjectType(bs_t *s)
{
int i_type = bs_read( s, 5 );
if( i_type == 31 )
i_type = 32 + bs_read( s, 6 );
int i_type = bs_read(s, 5);
if (i_type == 31)
i_type = 32 + bs_read(s, 6);
return i_type;
}
static int Mpeg4ReadAudioSamplerate( bs_t *s )
static int Mpeg4ReadAudioSamplerate(bs_t *s)
{
int i_index = bs_read( s, 4 );
if( i_index != 0x0f )
int i_index = bs_read(s, 4);
if (i_index != 0x0f)
return pi_sample_rates[i_index];
return bs_read( s, 24 );
return bs_read(s, 24);
}
static int Mpeg4ReadAudioSpecificInfo( mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_t *p_extra, bs_t *s, int i_max_size )
static int Mpeg4ReadAudioSpecificInfo(mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_t *p_extra, bs_t *s, int i_max_size)
{
#if 0
static const char *ppsz_otype[] = {
......@@ -526,44 +496,43 @@ static int Mpeg4ReadAudioSpecificInfo( mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_
"DST",
};
#endif
const int i_pos_start = bs_pos( s );
const int i_pos_start = bs_pos(s);
bs_t s_sav = *s;
int i_bits;
int i;
memset( p_cfg, 0, sizeof(*p_cfg) );
memset(p_cfg, 0, sizeof(*p_cfg));
*pi_extra = 0;
p_cfg->i_object_type = Mpeg4ReadAudioObjectType( s );
p_cfg->i_samplerate = Mpeg4ReadAudioSamplerate( s );
p_cfg->i_object_type = Mpeg4ReadAudioObjectType(s);
p_cfg->i_samplerate = Mpeg4ReadAudioSamplerate(s);
p_cfg->i_channel = bs_read( s, 4 );
if( p_cfg->i_channel == 7 )
p_cfg->i_channel = bs_read(s, 4);
if (p_cfg->i_channel == 7)
p_cfg->i_channel = 8; // 7.1
else if( p_cfg->i_channel >= 8 )
else if (p_cfg->i_channel >= 8)
p_cfg->i_channel = -1;
p_cfg->i_sbr = -1;
p_cfg->i_ps = -1;
p_cfg->extension.i_object_type = 0;
p_cfg->extension.i_samplerate = 0;
if( p_cfg->i_object_type == 5 || p_cfg->i_object_type == 29 )
{
if (p_cfg->i_object_type == 5 || p_cfg->i_object_type == 29) {
p_cfg->i_sbr = 1;
if( p_cfg->i_object_type == 29 )
if (p_cfg->i_object_type == 29)
p_cfg->i_ps = 1;
p_cfg->extension.i_object_type = 5;
p_cfg->extension.i_samplerate = Mpeg4ReadAudioSamplerate( s );
p_cfg->extension.i_samplerate = Mpeg4ReadAudioSamplerate(s);
p_cfg->i_object_type = Mpeg4ReadAudioObjectType( s );
p_cfg->i_object_type = Mpeg4ReadAudioObjectType(s);
}
switch( p_cfg->i_object_type )
switch(p_cfg->i_object_type)
{
case 1: case 2: case 3: case 4:
case 6: case 7:
case 17: case 19: case 20: case 21: case 22: case 23:
Mpeg4GASpecificConfig( p_cfg, s );
Mpeg4GASpecificConfig(p_cfg, s);
break;
case 8:
// CelpSpecificConfig();
......@@ -602,23 +571,17 @@ static int Mpeg4ReadAudioSpecificInfo( mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_
// error
break;
}
switch( p_cfg->i_object_type )
switch(p_cfg->i_object_type)
{
case 17: case 19: case 20: case 21: case 22: case 23:
case 24: case 25: case 26: case 27:
{
int epConfig = bs_read( s, 2 );
if( epConfig == 2 || epConfig == 3 )
{
int epConfig = bs_read(s, 2);
if (epConfig == 2 || epConfig == 3)
//ErrorProtectionSpecificConfig();
}
if( epConfig == 3 )
{
int directMapping = bs_read1( s );
if( directMapping )
{
// tbd ...
}
if (epConfig == 3)
if (bs_read1(s)) {
// TODO : directMapping
}
break;
}
......@@ -626,85 +589,69 @@ static int Mpeg4ReadAudioSpecificInfo( mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_
break;
}
if( p_cfg->extension.i_object_type != 5 && i_max_size > 0 && i_max_size - (bs_pos(s) - i_pos_start) >= 16 &&
bs_read( s, 11 ) == 0x2b7 )
{
p_cfg->extension.i_object_type = Mpeg4ReadAudioObjectType( s );
if( p_cfg->extension.i_object_type == 5 )
{
p_cfg->i_sbr = bs_read1( s );
if( p_cfg->i_sbr == 1 )
{
p_cfg->extension.i_samplerate = Mpeg4ReadAudioSamplerate( s );
if( i_max_size > 0 && i_max_size - (bs_pos(s) - i_pos_start) >= 12 && bs_read( s, 11 ) == 0x548 )
{
p_cfg->i_ps = bs_read1( s );
}
if (p_cfg->extension.i_object_type != 5 && i_max_size > 0 && i_max_size - (bs_pos(s) - i_pos_start) >= 16 &&
bs_read(s, 11) == 0x2b7) {
p_cfg->extension.i_object_type = Mpeg4ReadAudioObjectType(s);
if (p_cfg->extension.i_object_type == 5) {
p_cfg->i_sbr = bs_read1(s);
if (p_cfg->i_sbr == 1) {
p_cfg->extension.i_samplerate = Mpeg4ReadAudioSamplerate(s);
if (i_max_size > 0 && i_max_size - (bs_pos(s) - i_pos_start) >= 12 && bs_read(s, 11) == 0x548)
p_cfg->i_ps = bs_read1(s);
}
}
}
//fprintf( stderr, "Mpeg4ReadAudioSpecificInfo: t=%s(%d)f=%d c=%d sbr=%d\n",
// ppsz_otype[p_cfg->i_object_type], p_cfg->i_object_type, p_cfg->i_samplerate, p_cfg->i_channel, p_cfg->i_sbr );
//fprintf(stderr, "Mpeg4ReadAudioSpecificInfo: t=%s(%d)f=%d c=%d sbr=%d\n",
// ppsz_otype[p_cfg->i_object_type], p_cfg->i_object_type, p_cfg->i_samplerate, p_cfg->i_channel, p_cfg->i_sbr);
i_bits = bs_pos(s) - i_pos_start;
*pi_extra = __MIN( ( i_bits + 7 ) / 8, LATM_MAX_EXTRA_SIZE );
for( i = 0; i < *pi_extra; i++ )
{
const int i_read = __MIN( 8, i_bits - 8*i );
p_extra[i] = bs_read( &s_sav, i_read ) << (8-i_read);
*pi_extra = __MIN((i_bits + 7) / 8, LATM_MAX_EXTRA_SIZE);
for (i = 0; i < *pi_extra; i++) {
const int i_read = __MIN(8, i_bits - 8*i);
p_extra[i] = bs_read(&s_sav, i_read) << (8-i_read);
}
return i_bits;
}
static int LatmGetValue( bs_t *s )
static int LatmGetValue(bs_t *s)
{
int i_bytes = bs_read( s, 2 );
int i_bytes = bs_read(s, 2);
int v = 0;
int i;
for( i = 0; i < i_bytes; i++ )
v = (v << 8) + bs_read( s, 8 );
for (int i = 0; i < i_bytes; i++)
v = (v << 8) + bs_read(s, 8);
return v;
}
static int LatmReadStreamMuxConfiguration( latm_mux_t *m, bs_t *s )
static int LatmReadStreamMuxConfiguration(latm_mux_t *m, bs_t *s)
{
int i_mux_version;
int i_mux_versionA;
int i_program;
i_mux_version = bs_read( s, 1 );
i_mux_version = bs_read(s, 1);
i_mux_versionA = 0;
if( i_mux_version )
i_mux_versionA = bs_read( s, 1 );
if (i_mux_version)
i_mux_versionA = bs_read(s, 1);
if( i_mux_versionA != 0 ) /* support only A=0 */
if (i_mux_versionA != 0) /* support only A=0 */
return -1;
memset( m, 0, sizeof(*m) );
memset(m, 0, sizeof(*m));
if( i_mux_versionA == 0 )
{
if( i_mux_version == 1 )
{
if (i_mux_versionA == 0)
if (i_mux_version == 1)
LatmGetValue(s); /* taraBufferFullness */
}
}
m->b_same_time_framing = bs_read1( s );
m->i_sub_frames = 1 + bs_read( s, 6 );
m->i_programs = 1 + bs_read( s, 4 );
m->b_same_time_framing = bs_read1(s);
m->i_sub_frames = 1 + bs_read(s, 6);
m->i_programs = 1 + bs_read(s, 4);
for( i_program = 0; i_program < m->i_programs; i_program++ )
{
int i_layer;
m->pi_layers[i_program] = 1+bs_read( s, 3 );
for (int i_program = 0; i_program < m->i_programs; i_program++) {
m->pi_layers[i_program] = 1+bs_read(s, 3);
for( i_layer = 0; i_layer < m->pi_layers[i_program]; i_layer++ )
{
for (int i_layer = 0; i_layer < m->pi_layers[i_program]; i_layer++) {
latm_stream_t *st = &m->stream[m->i_streams];
bool b_previous_cfg;
......@@ -713,48 +660,41 @@ static int LatmReadStreamMuxConfiguration( latm_mux_t *m, bs_t *s )
st->i_layer = i_layer;
b_previous_cfg = false;
if( i_program != 0 || i_layer != 0 )
b_previous_cfg = bs_read1( s );
if (i_program != 0 || i_layer != 0)
b_previous_cfg = bs_read1(s);
if( b_previous_cfg )
{
assert( m->i_streams > 0 );
if (b_previous_cfg) {
assert(m->i_streams > 0);
st->cfg = m->stream[m->i_streams-1].cfg;
}
else
{
} else {
int i_cfg_size = 0;
if( i_mux_version == 1 )
if (i_mux_version == 1)
i_cfg_size = LatmGetValue(s);
i_cfg_size -= Mpeg4ReadAudioSpecificInfo( &st->cfg, &st->i_extra, st->extra, s, i_cfg_size );
if( i_cfg_size > 0 )
bs_skip( s, i_cfg_size );
i_cfg_size -= Mpeg4ReadAudioSpecificInfo(&st->cfg, &st->i_extra, st->extra, s, i_cfg_size);
if (i_cfg_size > 0)
bs_skip(s, i_cfg_size);
}
st->i_frame_length_type = bs_read( s, 3 );
switch( st->i_frame_length_type )
st->i_frame_length_type = bs_read(s, 3);
switch(st->i_frame_length_type)
{
case 0:
{
bs_skip( s, 8 ); /* latmBufferFullnes */
if( !m->b_same_time_framing )
{
if( st->cfg.i_object_type == 6 || st->cfg.i_object_type == 20 ||
st->cfg.i_object_type == 8 || st->cfg.i_object_type == 24 )
{
bs_skip( s, 6 ); /* eFrameOffset */
}
}
bs_skip(s, 8); /* latmBufferFullnes */
if (!m->b_same_time_framing)
if (st->cfg.i_object_type == 6 || st->cfg.i_object_type == 20 ||
st->cfg.i_object_type == 8 || st->cfg.i_object_type == 24)
bs_skip(s, 6); /* eFrameOffset */
break;
}
case 1:
st->i_frame_length = bs_read( s, 9 );
st->i_frame_length = bs_read(s, 9);
break;
case 3: case 4: case 5:
st->i_frame_length_index = bs_read( s, 6 ); // celp
st->i_frame_length_index = bs_read(s, 6); // celp
break;
case 6: case 7:
st->i_frame_length_index = bs_read( s, 1 ); // hvxc
st->i_frame_length_index = bs_read(s, 1); // hvxc
default:
break;
}
......@@ -764,152 +704,120 @@ static int LatmReadStreamMuxConfiguration( latm_mux_t *m, bs_t *s )
}
/* other data */
if( bs_read1( s ) )
{
if( i_mux_version == 1 )
{
m->i_other_data = LatmGetValue( s );
}
else
{
if (bs_read1(s)) {
if (i_mux_version == 1)
m->i_other_data = LatmGetValue(s);
else {
int b_continue;
do {
b_continue = bs_read1(s);
m->i_other_data = (m->i_other_data << 8) + bs_read( s, 8 );
} while( b_continue );
m->i_other_data = (m->i_other_data << 8) + bs_read(s, 8);
} while (b_continue);
}
}
/* crc */
m->i_crc = -1;
if( bs_read1( s ) )
m->i_crc = bs_read( s, 8 );
if (bs_read1(s))
m->i_crc = bs_read(s, 8);
return 0;
}
static int LOASParse( decoder_t *p_dec, uint8_t *p_buffer, int i_buffer )
static int LOASParse(decoder_t *p_dec, uint8_t *p_buffer, int i_buffer)
{
decoder_sys_t *p_sys = p_dec->p_sys;
bs_t s;
int i_sub;
int i_accumulated = 0;
bs_init( &s, p_buffer, i_buffer );
bs_init(&s, p_buffer, i_buffer);
/* Read the stream mux configuration if present */
if( !bs_read1( &s ) )
{
if( !LatmReadStreamMuxConfiguration( &p_sys->latm, &s ) &&
p_sys->latm.i_streams > 0 )
{
if (!bs_read1(&s)) {
if (!LatmReadStreamMuxConfiguration(&p_sys->latm, &s) &&
p_sys->latm.i_streams > 0) {
const latm_stream_t *st = &p_sys->latm.stream[0];
p_sys->i_channels = st->cfg.i_channel;
p_sys->i_rate = st->cfg.i_samplerate;
p_sys->i_frame_length = st->cfg.i_frame_length;
if ( p_sys->i_channels > 0 && p_sys->i_rate > 0 &&
p_sys->i_frame_length > 0 )
{
if (p_sys->i_channels > 0 && p_sys->i_rate > 0 &&
p_sys->i_frame_length > 0) {
/* FIXME And if it changes ? */
if( !p_dec->fmt_out.i_extra && st->i_extra > 0 )
{
if (!p_dec->fmt_out.i_extra && st->i_extra > 0) {
p_dec->fmt_out.i_extra = st->i_extra;
p_dec->fmt_out.p_extra = malloc( st->i_extra );
if( !p_dec->fmt_out.p_extra )
{
p_dec->fmt_out.p_extra = malloc(st->i_extra);
if (!p_dec->fmt_out.p_extra) {
p_dec->fmt_out.i_extra = 0;
return 0;
}
memcpy( p_dec->fmt_out.p_extra, st->extra, st->i_extra );
memcpy(p_dec->fmt_out.p_extra, st->extra, st->i_extra);
}
p_sys->b_latm_cfg = true;
}
}
}
/* Wait for the configuration */
if( !p_sys->b_latm_cfg )
if (!p_sys->b_latm_cfg)
return 0;
/* FIXME do we need to split the subframe into independent packet ? */
if( p_sys->latm.i_sub_frames > 1 )
msg_Err( p_dec, "latm sub frames not yet supported, please send a sample" );
if (p_sys->latm.i_sub_frames > 1)
msg_Err(p_dec, "latm sub frames not yet supported, please send a sample");
for( i_sub = 0; i_sub < p_sys->latm.i_sub_frames; i_sub++ )
{
for (int i_sub = 0; i_sub < p_sys->latm.i_sub_frames; i_sub++) {
int pi_payload[LATM_MAX_PROGRAM][LATM_MAX_LAYER];
if( p_sys->latm.b_same_time_framing )
{
int i_program;
if (p_sys->latm.b_same_time_framing) {
/* Payload length */
for( i_program = 0; i_program < p_sys->latm.i_programs; i_program++ )
{
int i_layer;
for( i_layer = 0; i_layer < p_sys->latm.pi_layers[i_program]; i_layer++ )
{
for (int i_program = 0; i_program < p_sys->latm.i_programs; i_program++) {
for (int i_layer = 0; i_layer < p_sys->latm.pi_layers[i_program]; i_layer++) {
latm_stream_t *st = &p_sys->latm.stream[p_sys->latm.pi_stream[i_program][i_layer]];
if( st->i_frame_length_type == 0 )
{
if (st->i_frame_length_type == 0) {
int i_payload = 0;
for( ;; )
{
int i_tmp = bs_read( &s, 8 );
for (;;) {
int i_tmp = bs_read(&s, 8);
i_payload += i_tmp;
if( i_tmp != 255 )
if (i_tmp != 255)
break;
}
pi_payload[i_program][i_layer] = i_payload;
}
else if( st->i_frame_length_type == 1 )
{
} else if (st->i_frame_length_type == 1) {
pi_payload[i_program][i_layer] = st->i_frame_length / 8; /* XXX not correct */
}
else if( ( st->i_frame_length_type == 3 ) ||
( st->i_frame_length_type == 5 ) ||
( st->i_frame_length_type == 7 ) )
{
bs_skip( &s, 2 ); // muxSlotLengthCoded
} else if ((st->i_frame_length_type == 3) ||
(st->i_frame_length_type == 5) ||
(st->i_frame_length_type == 7)) {
bs_skip(&s, 2); // muxSlotLengthCoded
pi_payload[i_program][i_layer] = 0; /* TODO */
}
else
{
} else {
pi_payload[i_program][i_layer] = 0; /* TODO */
}
}
}
/* Payload Data */
for( i_program = 0; i_program < p_sys->latm.i_programs; i_program++ )
{
int i_layer;
int i;
for( i_layer = 0; i_layer < p_sys->latm.pi_layers[i_program]; i_layer++ )
{
for (int i_program = 0; i_program < p_sys->latm.i_programs; i_program++) {
for (int i_layer = 0; i_layer < p_sys->latm.pi_layers[i_program]; i_layer++) {
/* XXX we only extract 1 stream */
if( i_program != 0 || i_layer != 0 )
if (i_program != 0 || i_layer != 0)
break;
if( pi_payload[i_program][i_layer] <= 0 )
if (pi_payload[i_program][i_layer] <= 0)
continue;
/* FIXME that's slow (and a bit ugly to write in place) */
for( i = 0; i < pi_payload[i_program][i_layer]; i++ )
p_buffer[i_accumulated++] = bs_read( &s, 8 );
for (int i = 0; i < pi_payload[i_program][i_layer]; i++)
p_buffer[i_accumulated++] = bs_read(&s, 8);
}
}
}
else
{
const int i_chunks = bs_read( &s, 4 );
} else {
const int i_chunks = bs_read(&s, 4);
int pi_program[16];
int pi_layer[16];
int i_chunk;
msg_Err( p_dec, "latm without same time frameing not yet supported, please send a sample" );
msg_Err(p_dec, "latm without same time frameing not yet supported, please send a sample");
for( i_chunk = 0; i_chunk < i_chunks; i_chunk++ )
{
const int streamIndex = bs_read( &s, 4 );
for (int i_chunk = 0; i_chunk < i_chunks; i_chunk++) {
const int streamIndex = bs_read(&s, 4);
latm_stream_t *st = &p_sys->latm.stream[streamIndex];
const int i_program = st->i_program;
const int i_layer = st->i_layer;
......@@ -917,35 +825,25 @@ static int LOASParse( decoder_t *p_dec, uint8_t *p_buffer, int i_buffer )
pi_program[i_chunk] = i_program;
pi_layer[i_chunk] = i_layer;
if( st->i_frame_length_type == 0 )
{
if (st->i_frame_length_type == 0) {
int i_payload = 0;
for( ;; )
{
int i_tmp = bs_read( &s, 8 );
for (;;) {
int i_tmp = bs_read(&s, 8);
i_payload += i_tmp;
if( i_tmp != 255 )
if (i_tmp != 255)
break;
}
pi_payload[i_program][i_layer] = i_payload;
bs_skip( &s, 1 ); // auEndFlag
}
else if( st->i_frame_length_type == 1 )
{
bs_skip(&s, 1); // auEndFlag
} else if (st->i_frame_length_type == 1) {
pi_payload[i_program][i_layer] = st->i_frame_length / 8; /* XXX not correct */
}
else if( ( st->i_frame_length_type == 3 ) ||
( st->i_frame_length_type == 5 ) ||
( st->i_frame_length_type == 7 ) )
{
bs_read( &s, 2 ); // muxSlotLengthCoded
}
else
{
} else if ((st->i_frame_length_type == 3) ||
(st->i_frame_length_type == 5) ||
(st->i_frame_length_type == 7)) {
bs_read(&s, 2); // muxSlotLengthCoded
}
}
for( i_chunk = 0; i_chunk < i_chunks; i_chunk++ )
{
for (int i_chunk = 0; i_chunk < i_chunks; i_chunk++) {
//const int i_program = pi_program[i_chunk];
//const int i_layer = pi_layer[i_chunk];
......@@ -954,11 +852,11 @@ static int LOASParse( decoder_t *p_dec, uint8_t *p_buffer, int i_buffer )
}
}
if( p_sys->latm.i_other_data > 0 )
{
/* Other data XXX we just ignore them */
}
bs_align( &s );
#if 0
if (p_sys->latm.i_other_data > 0)
; // TODO
#endif
bs_align(&s);
return i_accumulated;
}
......@@ -966,70 +864,64 @@ static int LOASParse( decoder_t *p_dec, uint8_t *p_buffer, int i_buffer )
/****************************************************************************
* PacketizeStreamBlock: ADTS/LOAS packetizer
****************************************************************************/
static void SetupOutput( decoder_t *p_dec, block_t *p_block );
static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
static void SetupOutput(decoder_t *p_dec, block_t *p_block);
static block_t *PacketizeStreamBlock(decoder_t *p_dec, block_t **pp_block)
{
decoder_sys_t *p_sys = p_dec->p_sys;
uint8_t p_header[ADTS_HEADER_SIZE + LOAS_HEADER_SIZE];
block_t *p_out_buffer;
uint8_t *p_buf;
if( !pp_block || !*pp_block ) return NULL;
if (!pp_block || !*pp_block)
return NULL;
if( (*pp_block)->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
{
if( (*pp_block)->i_flags&BLOCK_FLAG_CORRUPTED )
{
if ((*pp_block)->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED)) {
if ((*pp_block)->i_flags&BLOCK_FLAG_CORRUPTED) {
p_sys->i_state = STATE_NOSYNC;
block_BytestreamEmpty( &p_sys->bytestream );
block_BytestreamEmpty(&p_sys->bytestream);
}
date_Set( &p_sys->end_date, 0 );
block_Release( *pp_block );
date_Set(&p_sys->end_date, 0);
block_Release(*pp_block);
return NULL;
}
if( !date_Get( &p_sys->end_date ) && (*pp_block)->i_pts <= VLC_TS_INVALID )
{
if (!date_Get(&p_sys->end_date) && (*pp_block)->i_pts <= VLC_TS_INVALID) {
/* We've just started the stream, wait for the first PTS. */
block_Release( *pp_block );
block_Release(*pp_block);
return NULL;
}
block_BytestreamPush( &p_sys->bytestream, *pp_block );
block_BytestreamPush(&p_sys->bytestream, *pp_block);
for( ;; )
for (;;)
{
switch( p_sys->i_state )
switch(p_sys->i_state)
{
case STATE_NOSYNC:
while( block_PeekBytes( &p_sys->bytestream, p_header, 2 )
== VLC_SUCCESS )
while (block_PeekBytes(&p_sys->bytestream, p_header, 2)
== VLC_SUCCESS)
{
/* Look for sync word - should be 0xfff(adts) or 0x2b7(loas) */
if( p_header[0] == 0xff && (p_header[1] & 0xf6) == 0xf0 )
{
if( p_sys->i_type != TYPE_ADTS )
msg_Dbg( p_dec, "detected ADTS format" );
if (p_header[0] == 0xff && (p_header[1] & 0xf6) == 0xf0) {
if (p_sys->i_type != TYPE_ADTS)
msg_Dbg(p_dec, "detected ADTS format");
p_sys->i_state = STATE_SYNC;
p_sys->i_type = TYPE_ADTS;
break;
}
else if( p_header[0] == 0x56 && (p_header[1] & 0xe0) == 0xe0 )
{
if( p_sys->i_type != TYPE_LOAS )
msg_Dbg( p_dec, "detected LOAS format" );
} else if (p_header[0] == 0x56 && (p_header[1] & 0xe0) == 0xe0) {
if (p_sys->i_type != TYPE_LOAS)
msg_Dbg(p_dec, "detected LOAS format");
p_sys->i_state = STATE_SYNC;
p_sys->i_type = TYPE_LOAS;
break;
}
block_SkipByte( &p_sys->bytestream );
block_SkipByte(&p_sys->bytestream);
}
if( p_sys->i_state != STATE_SYNC )
{
block_BytestreamFlush( &p_sys->bytestream );
if (p_sys->i_state != STATE_SYNC) {
block_BytestreamFlush(&p_sys->bytestream);
/* Need more data */
return NULL;
......@@ -1038,51 +930,39 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
case STATE_SYNC:
/* New frame, set the Presentation Time Stamp */
p_sys->i_pts = p_sys->bytestream.p_block->i_pts;
if( p_sys->i_pts > VLC_TS_INVALID &&
p_sys->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_sys->i_pts );
}
if (p_sys->i_pts > VLC_TS_INVALID &&
p_sys->i_pts != date_Get(&p_sys->end_date))
date_Set(&p_sys->end_date, p_sys->i_pts);
p_sys->i_state = STATE_HEADER;
break;
case STATE_HEADER:
if( p_sys->i_type == TYPE_ADTS )
{
if (p_sys->i_type == TYPE_ADTS) {
/* Get ADTS frame header (ADTS_HEADER_SIZE bytes) */
if( block_PeekBytes( &p_sys->bytestream, p_header,
ADTS_HEADER_SIZE ) != VLC_SUCCESS )
{
/* Need more data */
return NULL;
}
if (block_PeekBytes(&p_sys->bytestream, p_header,
ADTS_HEADER_SIZE) != VLC_SUCCESS)
return NULL; /* Need more data */
/* Check if frame is valid and get frame info */
p_sys->i_frame_size = ADTSSyncInfo( p_dec, p_header,
p_sys->i_frame_size = ADTSSyncInfo(p_dec, p_header,
&p_sys->i_channels,
&p_sys->i_rate,
&p_sys->i_frame_length,
&p_sys->i_header_size );
}
else
{
assert( p_sys->i_type == TYPE_LOAS );
&p_sys->i_header_size);
} else {
assert(p_sys->i_type == TYPE_LOAS);
/* Get LOAS frame header (LOAS_HEADER_SIZE bytes) */
if( block_PeekBytes( &p_sys->bytestream, p_header,
LOAS_HEADER_SIZE ) != VLC_SUCCESS )
{
/* Need more data */
return NULL;
}
if (block_PeekBytes(&p_sys->bytestream, p_header,
LOAS_HEADER_SIZE) != VLC_SUCCESS)
return NULL; /* Need more data */
/* Check if frame is valid and get frame info */
p_sys->i_frame_size = LOASSyncInfo( p_header, &p_sys->i_header_size );
p_sys->i_frame_size = LOASSyncInfo(p_header, &p_sys->i_header_size);
}
if( p_sys->i_frame_size <= 0 )
{
msg_Dbg( p_dec, "emulated sync word" );
block_SkipByte( &p_sys->bytestream );
if (p_sys->i_frame_size <= 0) {
msg_Dbg(p_dec, "emulated sync word");
block_SkipByte(&p_sys->bytestream);
p_sys->i_state = STATE_NOSYNC;
break;
}
......@@ -1092,32 +972,26 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
case STATE_NEXT_SYNC:
/* TODO: If p_block == NULL, flush the buffer without checking the
* next sync word */
if( p_sys->bytestream.p_block == NULL )
{
if (p_sys->bytestream.p_block == NULL) {
p_sys->i_state = STATE_NOSYNC;
block_BytestreamFlush( &p_sys->bytestream );
block_BytestreamFlush(&p_sys->bytestream);
return NULL;
}
/* Check if next expected frame contains the sync word */
if( block_PeekOffsetBytes( &p_sys->bytestream, p_sys->i_frame_size
+ p_sys->i_header_size, p_header, 2 )
!= VLC_SUCCESS )
{
/* Need more data */
return NULL;
}
assert( (p_sys->i_type == TYPE_ADTS) || (p_sys->i_type == TYPE_LOAS) );
if( ( ( p_sys->i_type == TYPE_ADTS ) &&
( p_header[0] != 0xff || (p_header[1] & 0xf6) != 0xf0 ) ) ||
( ( p_sys->i_type == TYPE_LOAS ) &&
( p_header[0] != 0x56 || (p_header[1] & 0xe0) != 0xe0 ) ) )
{
msg_Dbg( p_dec, "emulated sync word "
"(no sync on following frame)" );
if (block_PeekOffsetBytes(&p_sys->bytestream, p_sys->i_frame_size
+ p_sys->i_header_size, p_header, 2) != VLC_SUCCESS)
return NULL; /* Need more data */
assert((p_sys->i_type == TYPE_ADTS) || (p_sys->i_type == TYPE_LOAS));
if (((p_sys->i_type == TYPE_ADTS) &&
(p_header[0] != 0xff || (p_header[1] & 0xf6) != 0xf0)) ||
((p_sys->i_type == TYPE_LOAS) &&
(p_header[0] != 0x56 || (p_header[1] & 0xe0) != 0xe0))) {
msg_Dbg(p_dec, "emulated sync word "
"(no sync on following frame)");
p_sys->i_state = STATE_NOSYNC;
block_SkipByte( &p_sys->bytestream );
block_SkipByte(&p_sys->bytestream);
break;
}
......@@ -1127,58 +1001,50 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
case STATE_GET_DATA:
/* Make sure we have enough data.
* (Not useful if we went through NEXT_SYNC) */
if( block_WaitBytes( &p_sys->bytestream, p_sys->i_frame_size +
p_sys->i_header_size) != VLC_SUCCESS )
{
/* Need more data */
return NULL;
}
if (block_WaitBytes(&p_sys->bytestream, p_sys->i_frame_size +
p_sys->i_header_size) != VLC_SUCCESS)
return NULL; /* Need more data */
p_sys->i_state = STATE_SEND_DATA;
case STATE_SEND_DATA:
/* When we reach this point we already know we have enough
* data available. */
p_out_buffer = block_Alloc( p_sys->i_frame_size );
if( !p_out_buffer )
{
p_out_buffer = block_Alloc(p_sys->i_frame_size);
if (!p_out_buffer) {
//p_dec->b_error = true;
return NULL;
}
p_buf = p_out_buffer->p_buffer;
/* Skip the ADTS/LOAS header */
block_SkipBytes( &p_sys->bytestream, p_sys->i_header_size );
block_SkipBytes(&p_sys->bytestream, p_sys->i_header_size);
if( p_sys->i_type == TYPE_ADTS )
{
if (p_sys->i_type == TYPE_ADTS) {
/* Copy the whole frame into the buffer */
block_GetBytes( &p_sys->bytestream, p_buf, p_sys->i_frame_size );
}
else
{
assert( p_sys->i_type == TYPE_LOAS );
block_GetBytes(&p_sys->bytestream, p_buf, p_sys->i_frame_size);
} else {
assert(p_sys->i_type == TYPE_LOAS);
/* Copy the whole frame into the buffer and parse/extract it */
block_GetBytes( &p_sys->bytestream, p_buf, p_sys->i_frame_size );
p_out_buffer->i_buffer = LOASParse( p_dec, p_buf, p_sys->i_frame_size );
if( p_out_buffer->i_buffer <= 0 )
{
if( !p_sys->b_latm_cfg )
msg_Warn( p_dec, "waiting for header" );
block_GetBytes(&p_sys->bytestream, p_buf, p_sys->i_frame_size);
p_out_buffer->i_buffer = LOASParse(p_dec, p_buf, p_sys->i_frame_size);
if (p_out_buffer->i_buffer <= 0) {
if (!p_sys->b_latm_cfg)
msg_Warn(p_dec, "waiting for header");
block_Release( p_out_buffer );
block_Release(p_out_buffer);
p_out_buffer = NULL;
p_sys->i_state = STATE_NOSYNC;
break;
}
}
SetupOutput( p_dec, p_out_buffer );
SetupOutput(p_dec, p_out_buffer);
/* Make sure we don't reuse the same pts twice */
if( p_sys->i_pts == p_sys->bytestream.p_block->i_pts )
if (p_sys->i_pts == p_sys->bytestream.p_block->i_pts)
p_sys->i_pts = p_sys->bytestream.p_block->i_pts = VLC_TS_INVALID;
/* So p_block doesn't get re-added several times */
*pp_block = block_BytestreamPop( &p_sys->bytestream );
*pp_block = block_BytestreamPop(&p_sys->bytestream);
p_sys->i_state = STATE_NOSYNC;
......@@ -1192,18 +1058,17 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
/*****************************************************************************
* SetupBuffer:
*****************************************************************************/
static void SetupOutput( decoder_t *p_dec, block_t *p_block )
static void SetupOutput(decoder_t *p_dec, block_t *p_block)
{
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_dec->fmt_out.audio.i_rate != p_sys->i_rate )
{
msg_Info( p_dec, "AAC channels: %d samplerate: %d",
p_sys->i_channels, p_sys->i_rate );
if (p_dec->fmt_out.audio.i_rate != p_sys->i_rate) {
msg_Info(p_dec, "AAC channels: %d samplerate: %d",
p_sys->i_channels, p_sys->i_rate);
const mtime_t i_end_date = date_Get( &p_sys->end_date );
date_Init( &p_sys->end_date, p_sys->i_rate, 1 );
date_Set( &p_sys->end_date, i_end_date );
const mtime_t i_end_date = date_Get(&p_sys->end_date);
date_Init(&p_sys->end_date, p_sys->i_rate, 1);
date_Set(&p_sys->end_date, i_end_date);
}
p_dec->fmt_out.audio.i_rate = p_sys->i_rate;
......@@ -1216,21 +1081,21 @@ static void SetupOutput( decoder_t *p_dec, block_t *p_block )
p_dec->fmt_out.audio.i_physical_channels = p_sys->i_channels_conf;
#endif
p_block->i_pts = p_block->i_dts = date_Get( &p_sys->end_date );
p_block->i_pts = p_block->i_dts = date_Get(&p_sys->end_date);
p_block->i_length =
date_Increment( &p_sys->end_date, p_sys->i_frame_length ) - p_block->i_pts;
date_Increment(&p_sys->end_date, p_sys->i_frame_length) - p_block->i_pts;
}
/*****************************************************************************
* ClosePacketizer: clean up the packetizer
*****************************************************************************/
static void ClosePacketizer( vlc_object_t *p_this )
static void ClosePacketizer(vlc_object_t *p_this)
{
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
block_BytestreamRelease( &p_sys->bytestream );
block_BytestreamRelease(&p_sys->bytestream);
free( p_dec->p_sys );
free(p_dec->p_sys);
}
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