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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] = ...@@ -159,102 +159,92 @@ static const int pi_sample_rates[16] =
/**************************************************************************** /****************************************************************************
* Local prototypes * Local prototypes
****************************************************************************/ ****************************************************************************/
static int OpenPacketizer( vlc_object_t * ); static int OpenPacketizer(vlc_object_t *);
static void ClosePacketizer( vlc_object_t * ); static void ClosePacketizer(vlc_object_t *);
static block_t *PacketizeRawBlock ( decoder_t *, block_t ** ); static block_t *PacketizeRawBlock (decoder_t *, block_t **);
static block_t *PacketizeStreamBlock( decoder_t *, block_t ** ); static block_t *PacketizeStreamBlock(decoder_t *, block_t **);
/***************************************************************************** /*****************************************************************************
* Module descriptor * Module descriptor
*****************************************************************************/ *****************************************************************************/
vlc_module_begin () vlc_module_begin ()
set_category( CAT_SOUT ) set_category(CAT_SOUT)
set_subcategory( SUBCAT_SOUT_PACKETIZER ) set_subcategory(SUBCAT_SOUT_PACKETIZER)
set_description( N_("MPEG4 audio packetizer") ) set_description(N_("MPEG4 audio packetizer"))
set_capability( "packetizer", 50 ) set_capability("packetizer", 50)
set_callbacks( OpenPacketizer, ClosePacketizer ) set_callbacks(OpenPacketizer, ClosePacketizer)
vlc_module_end () vlc_module_end ()
/***************************************************************************** /*****************************************************************************
* OpenPacketizer: probe the packetizer and return score * 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_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys; 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; return VLC_EGENERIC;
}
/* Allocate the memory needed to store the decoder's structure */ /* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys = if ((p_dec->p_sys = p_sys = (decoder_sys_t *)malloc(sizeof(decoder_sys_t))) == NULL)
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
return VLC_ENOMEM; return VLC_ENOMEM;
/* Misc init */ /* Misc init */
p_sys->i_state = STATE_NOSYNC; p_sys->i_state = STATE_NOSYNC;
date_Set( &p_sys->end_date, 0 ); date_Set(&p_sys->end_date, 0);
block_BytestreamInit( &p_sys->bytestream ); block_BytestreamInit(&p_sys->bytestream);
p_sys->b_latm_cfg = false; p_sys->b_latm_cfg = false;
/* Set output properties */ /* Set output properties */
p_dec->fmt_out.i_cat = AUDIO_ES; p_dec->fmt_out.i_cat = AUDIO_ES;
p_dec->fmt_out.i_codec = VLC_CODEC_MP4A; 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; uint8_t *p_config = (uint8_t*)p_dec->fmt_in.p_extra;
int i_index; int i_index;
i_index = ( ( p_config[0] << 1 ) | ( p_config[1] >> 7 ) ) & 0x0f; i_index = ((p_config[0] << 1) | (p_config[1] >> 7)) & 0x0f;
if( i_index != 0x0f ) if (i_index != 0x0f) {
{
p_dec->fmt_out.audio.i_rate = pi_sample_rates[i_index]; p_dec->fmt_out.audio.i_rate = pi_sample_rates[i_index];
p_dec->fmt_out.audio.i_frame_length = p_dec->fmt_out.audio.i_frame_length =
(( p_config[1] >> 2 ) & 0x01) ? 960 : 1024; ((p_config[1] >> 2) & 0x01) ? 960 : 1024;
} } else {
else p_dec->fmt_out.audio.i_rate = ((p_config[1] & 0x7f) << 17) |
{ (p_config[2] << 9) | (p_config[3] << 1) |
p_dec->fmt_out.audio.i_rate = ( ( p_config[1] & 0x7f ) << 17 ) | (p_config[4] >> 7);
( p_config[2] << 9 ) | ( p_config[3] << 1 ) |
( p_config[4] >> 7 );
p_dec->fmt_out.audio.i_frame_length = 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_dec->fmt_out.audio.i_channels =
(p_config[i_index == 0x0f ? 4 : 1] >> 3) & 0x0f; (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_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.i_extra = p_dec->fmt_in.i_extra;
p_dec->fmt_out.p_extra = malloc( 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 ) if (!p_dec->fmt_out.p_extra) {
{
p_dec->fmt_out.i_extra = 0; p_dec->fmt_out.i_extra = 0;
return VLC_ENOMEM; return VLC_ENOMEM;
} }
memcpy( p_dec->fmt_out.p_extra, p_dec->fmt_in.p_extra, memcpy(p_dec->fmt_out.p_extra, p_dec->fmt_in.p_extra,
p_dec->fmt_in.i_extra ); p_dec->fmt_in.i_extra);
/* Set callback */ /* Set callback */
p_dec->pf_packetize = PacketizeRawBlock; p_dec->pf_packetize = PacketizeRawBlock;
p_sys->i_type = TYPE_RAW; p_sys->i_type = TYPE_RAW;
} } else {
else msg_Dbg(p_dec, "no decoder specific info, must be an ADTS or LOAS stream");
{
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 */ /* We will try to create a AAC Config from adts/loas */
p_dec->fmt_out.i_extra = 0; p_dec->fmt_out.i_extra = 0;
...@@ -273,39 +263,36 @@ static int OpenPacketizer( vlc_object_t *p_this ) ...@@ -273,39 +263,36 @@ static int OpenPacketizer( vlc_object_t *p_this )
**************************************************************************** ****************************************************************************
* This function must be fed with complete frames. * 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; decoder_sys_t *p_sys = p_dec->p_sys;
block_t *p_block; 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) ) if ((*pp_block)->i_flags&(BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED)) {
{ date_Set(&p_sys->end_date, 0);
date_Set( &p_sys->end_date, 0 ); block_Release(*pp_block);
block_Release( *pp_block );
return NULL; return NULL;
} }
p_block = *pp_block; p_block = *pp_block;
*pp_block = NULL; /* Don't reuse this 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. */ /* We've just started the stream, wait for the first PTS. */
block_Release( p_block ); block_Release(p_block);
return NULL; return NULL;
} } else if (p_block->i_pts > VLC_TS_INVALID &&
else if( p_block->i_pts > VLC_TS_INVALID && p_block->i_pts != date_Get(&p_sys->end_date)) {
p_block->i_pts != date_Get( &p_sys->end_date ) ) date_Set(&p_sys->end_date, p_block->i_pts);
{
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_block->i_length = date_Increment(&p_sys->end_date,
p_dec->fmt_out.audio.i_frame_length ) - p_block->i_pts; p_dec->fmt_out.audio.i_frame_length) - p_block->i_pts;
return p_block; return p_block;
} }
...@@ -313,17 +300,17 @@ static block_t *PacketizeRawBlock( decoder_t *p_dec, block_t **pp_block ) ...@@ -313,17 +300,17 @@ static block_t *PacketizeRawBlock( decoder_t *p_dec, block_t **pp_block )
/**************************************************************************** /****************************************************************************
* ADTS helpers * 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_channels,
unsigned int * pi_sample_rate, unsigned int * pi_sample_rate,
unsigned int * pi_frame_length, 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; int i_profile, i_sample_rate_idx, i_frame_size;
bool b_crc; bool b_crc;
/* Fixed header between frames */ /* 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); b_crc = !(p_buf[1] & 0x01);
i_profile = p_buf[2] >> 6; i_profile = p_buf[2] >> 6;
i_sample_rate_idx = (p_buf[2] >> 2) & 0x0f; 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, ...@@ -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); //uint16_t buffer_fullness = ((p_buf[5] & 0x1f) << 6) | (p_buf[6] >> 2);
unsigned short i_raw_blocks_in_frame = p_buf[6] & 0x03; unsigned short i_raw_blocks_in_frame = p_buf[6] & 0x03;
if( !*pi_sample_rate || !i_frame_size ) if (!*pi_sample_rate || !i_frame_size) {
{ msg_Warn(p_dec, "Invalid ADTS header");
msg_Warn( p_dec, "Invalid ADTS header" );
return 0; return 0;
} }
*pi_frame_length = 1024; *pi_frame_length = 1024;
if( i_raw_blocks_in_frame == 0 ) if (i_raw_blocks_in_frame == 0) {
{ if (b_crc) {
if( b_crc ) msg_Warn(p_dec, "ADTS CRC not supported");
{
msg_Warn( p_dec, "ADTS CRC not supported" );
//uint16_t crc = (p_buf[7] << 8) | p_buf[8]; //uint16_t crc = (p_buf[7] << 8) | p_buf[8];
} }
} } else {
else msg_Err(p_dec, "Multiple blocks per frame in ADTS not supported");
{
msg_Err( p_dec, "Multiple blocks per frame in ADTS not supported" );
return 0; return 0;
#if 0 #if 0
int i; int i;
const uint8_t *p_pos = p_buf + 7; const uint8_t *p_pos = p_buf + 7;
uint16_t crc_block; uint16_t crc_block;
uint16_t i_block_pos[3]; uint16_t i_block_pos[3];
if( b_crc ) if (b_crc) {
{ for (i = 0 ; i < i_raw_blocks_in_frame ; i++) {
for( i = 0 ; i < i_raw_blocks_in_frame ; i++ ) /* the 1st block's position is known ... */
{ /* the 1st block's position is known ... */
i_block_pos[i] = (*p_pos << 8) | *(p_pos+1); i_block_pos[i] = (*p_pos << 8) | *(p_pos+1);
p_pos += 2; p_pos += 2;
} }
crc_block = (*p_pos << 8) | *(p_pos+1); crc_block = (*p_pos << 8) | *(p_pos+1);
p_pos += 2; 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 //read 1 block
if( b_crc ) if (b_crc) {
{ msg_Err(p_dec, "ADTS CRC not supported");
msg_Err( p_dec, "ADTS CRC not supported" );
//uint16_t crc = (*p_pos << 8) | *(p_pos+1); //uint16_t crc = (*p_pos << 8) | *(p_pos+1);
//p_pos += 2; //p_pos += 2;
} }
...@@ -393,11 +372,9 @@ static int ADTSSyncInfo( decoder_t * p_dec, const uint8_t * p_buf, ...@@ -393,11 +372,9 @@ static int ADTSSyncInfo( decoder_t * p_dec, const uint8_t * p_buf,
/* Build the decoder specific info header */ /* Build the decoder specific info header */
if( !p_dec->fmt_out.i_extra ) if (!p_dec->fmt_out.i_extra) {
{ p_dec->fmt_out.p_extra = malloc(2);
p_dec->fmt_out.p_extra = malloc( 2 ); if (!p_dec->fmt_out.p_extra) {
if( !p_dec->fmt_out.p_extra )
{
p_dec->fmt_out.i_extra = 0; p_dec->fmt_out.i_extra = 0;
return 0; return 0;
} }
...@@ -417,94 +394,87 @@ static int ADTSSyncInfo( decoder_t * p_dec, const uint8_t * p_buf, ...@@ -417,94 +394,87 @@ static int ADTSSyncInfo( decoder_t * p_dec, const uint8_t * p_buf,
/**************************************************************************** /****************************************************************************
* LOAS helpers * 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; *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 ? */ /* TODO compute channels count ? */
int i_tag = bs_read( s, 4 ); int i_tag = bs_read(s, 4);
if( i_tag != 0x05 ) if (i_tag != 0x05)
return -1; return -1;
bs_skip( s, 2 + 4 ); // object type + sampling index bs_skip(s, 2 + 4); // object type + sampling index
int i_num_front = bs_read( s, 4 ); int i_num_front = bs_read(s, 4);
int i_num_side = bs_read( s, 4 ); int i_num_side = bs_read(s, 4);
int i_num_back = bs_read( s, 4 ); int i_num_back = bs_read(s, 4);
int i_num_lfe = bs_read( s, 2 ); int i_num_lfe = bs_read(s, 2);
int i_num_assoc_data = bs_read( s, 3 ); int i_num_assoc_data = bs_read(s, 3);
int i_num_valid_cc = bs_read( s, 4 ); int i_num_valid_cc = bs_read(s, 4);
if( bs_read1(s) ) if (bs_read1(s))
bs_skip( s, 4 ); // mono downmix bs_skip(s, 4); // mono downmix
if( bs_read1(s) ) if (bs_read1(s))
bs_skip( s, 4 ); // stereo downmix bs_skip(s, 4); // stereo downmix
if( bs_read1(s) ) if (bs_read1(s))
bs_skip( s, 2+1 ); // matrix downmix + pseudo_surround bs_skip(s, 2+1); // matrix downmix + pseudo_surround
bs_skip( s, i_num_front * (1+4) ); bs_skip(s, i_num_front * (1+4));
bs_skip( s, i_num_side * (1+4) ); bs_skip(s, i_num_side * (1+4));
bs_skip( s, i_num_back * (1+4) ); bs_skip(s, i_num_back * (1+4));
bs_skip( s, i_num_lfe * (4) ); bs_skip(s, i_num_lfe * (4));
bs_skip( s, i_num_assoc_data * (4) ); bs_skip(s, i_num_assoc_data * (4));
bs_skip( s, i_num_valid_cc * (5) ); bs_skip(s, i_num_valid_cc * (5));
bs_align( s ); bs_align(s);
int i_comment = bs_read( s, 8 ); int i_comment = bs_read(s, 8);
bs_skip( s, i_comment * 8 ); bs_skip(s, i_comment * 8);
return 0; 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; p_cfg->i_frame_length = bs_read1(s) ? 960 : 1024;
if( bs_read1( s ) ) // depend on core coder if (bs_read1(s)) // depend on core coder
bs_skip( s, 14 ); // core coder delay bs_skip(s, 14); // core coder delay
int i_extension_flag = bs_read1( s ); int i_extension_flag = bs_read1(s);
if( p_cfg->i_channel == 0 ) if (p_cfg->i_channel == 0)
{ Mpeg4GAProgramConfigElement(s);
Mpeg4GAProgramConfigElement( s ); if (p_cfg->i_object_type == 6 || p_cfg->i_object_type == 20)
} bs_skip(s, 3); // layer
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)
if( i_extension_flag ) bs_skip(s, 5 + 11); // numOfSubFrame + layer length
{ if (p_cfg->i_object_type == 17 || p_cfg->i_object_type == 19 ||
if( p_cfg->i_object_type == 22 ) p_cfg->i_object_type == 20 || p_cfg->i_object_type == 23)
{ bs_skip(s, 1+1+1); // ER data : section scale spectral */
bs_skip( s, 5 + 11 ); // numOfSubFrame + layer length if (bs_read1(s)) // extension 3
} fprintf(stderr, "Mpeg4GASpecificConfig: error 1\n");
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; return 0;
} }
static int Mpeg4ReadAudioObjectType( bs_t *s ) static int Mpeg4ReadAudioObjectType(bs_t *s)
{ {
int i_type = bs_read( s, 5 ); int i_type = bs_read(s, 5);
if( i_type == 31 ) if (i_type == 31)
i_type = 32 + bs_read( s, 6 ); i_type = 32 + bs_read(s, 6);
return i_type; return i_type;
} }
static int Mpeg4ReadAudioSamplerate( bs_t *s ) static int Mpeg4ReadAudioSamplerate(bs_t *s)
{ {
int i_index = bs_read( s, 4 ); int i_index = bs_read(s, 4);
if( i_index != 0x0f ) if (i_index != 0x0f)
return pi_sample_rates[i_index]; 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 #if 0
static const char *ppsz_otype[] = { static const char *ppsz_otype[] = {
...@@ -526,44 +496,43 @@ static int Mpeg4ReadAudioSpecificInfo( mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_ ...@@ -526,44 +496,43 @@ static int Mpeg4ReadAudioSpecificInfo( mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_
"DST", "DST",
}; };
#endif #endif
const int i_pos_start = bs_pos( s ); const int i_pos_start = bs_pos(s);
bs_t s_sav = *s; bs_t s_sav = *s;
int i_bits; int i_bits;
int i; int i;
memset( p_cfg, 0, sizeof(*p_cfg) ); memset(p_cfg, 0, sizeof(*p_cfg));
*pi_extra = 0; *pi_extra = 0;
p_cfg->i_object_type = Mpeg4ReadAudioObjectType( s ); p_cfg->i_object_type = Mpeg4ReadAudioObjectType(s);
p_cfg->i_samplerate = Mpeg4ReadAudioSamplerate( s ); p_cfg->i_samplerate = Mpeg4ReadAudioSamplerate(s);
p_cfg->i_channel = bs_read( s, 4 ); p_cfg->i_channel = bs_read(s, 4);
if( p_cfg->i_channel == 7 ) if (p_cfg->i_channel == 7)
p_cfg->i_channel = 8; // 7.1 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_channel = -1;
p_cfg->i_sbr = -1; p_cfg->i_sbr = -1;
p_cfg->i_ps = -1; p_cfg->i_ps = -1;
p_cfg->extension.i_object_type = 0; p_cfg->extension.i_object_type = 0;
p_cfg->extension.i_samplerate = 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; 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->i_ps = 1;
p_cfg->extension.i_object_type = 5; 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 1: case 2: case 3: case 4:
case 6: case 7: case 6: case 7:
case 17: case 19: case 20: case 21: case 22: case 23: case 17: case 19: case 20: case 21: case 22: case 23:
Mpeg4GASpecificConfig( p_cfg, s ); Mpeg4GASpecificConfig(p_cfg, s);
break; break;
case 8: case 8:
// CelpSpecificConfig(); // CelpSpecificConfig();
...@@ -602,109 +571,87 @@ static int Mpeg4ReadAudioSpecificInfo( mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_ ...@@ -602,109 +571,87 @@ static int Mpeg4ReadAudioSpecificInfo( mpeg4_cfg_t *p_cfg, int *pi_extra, uint8_
// error // error
break; 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 17: case 19: case 20: case 21: case 22: case 23:
case 24: case 25: case 26: case 27: case 24: case 25: case 26: case 27:
{ {
int epConfig = bs_read( s, 2 ); int epConfig = bs_read(s, 2);
if( epConfig == 2 || epConfig == 3 ) if (epConfig == 2 || epConfig == 3)
{
//ErrorProtectionSpecificConfig(); //ErrorProtectionSpecificConfig();
} if (epConfig == 3)
if( epConfig == 3 ) if (bs_read1(s)) {
{ // TODO : directMapping
int directMapping = bs_read1( s );
if( directMapping )
{
// tbd ...
} }
}
break; break;
} }
default: default:
break; break;
} }
if( p_cfg->extension.i_object_type != 5 && i_max_size > 0 && i_max_size - (bs_pos(s) - i_pos_start) >= 16 && 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 ) bs_read(s, 11) == 0x2b7) {
{ p_cfg->extension.i_object_type = Mpeg4ReadAudioObjectType(s);
p_cfg->extension.i_object_type = Mpeg4ReadAudioObjectType( s ); if (p_cfg->extension.i_object_type == 5) {
if( p_cfg->extension.i_object_type == 5 ) p_cfg->i_sbr = bs_read1(s);
{ if (p_cfg->i_sbr == 1) {
p_cfg->i_sbr = bs_read1( s ); p_cfg->extension.i_samplerate = Mpeg4ReadAudioSamplerate(s);
if( p_cfg->i_sbr == 1 ) 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);
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", //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 ); // 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; i_bits = bs_pos(s) - i_pos_start;
*pi_extra = __MIN( ( i_bits + 7 ) / 8, LATM_MAX_EXTRA_SIZE ); *pi_extra = __MIN((i_bits + 7) / 8, LATM_MAX_EXTRA_SIZE);
for( i = 0; i < *pi_extra; i++ ) for (i = 0; i < *pi_extra; i++) {
{ const int i_read = __MIN(8, i_bits - 8*i);
const int i_read = __MIN( 8, i_bits - 8*i ); p_extra[i] = bs_read(&s_sav, i_read) << (8-i_read);
p_extra[i] = bs_read( &s_sav, i_read ) << (8-i_read);
} }
return i_bits; 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 v = 0;
int i; for (int i = 0; i < i_bytes; i++)
for( i = 0; i < i_bytes; i++ ) v = (v << 8) + bs_read(s, 8);
v = (v << 8) + bs_read( s, 8 );
return v; 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_version;
int i_mux_versionA; 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; i_mux_versionA = 0;
if( i_mux_version ) if (i_mux_version)
i_mux_versionA = bs_read( s, 1 ); 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; return -1;
memset( m, 0, sizeof(*m) ); memset(m, 0, sizeof(*m));
if( i_mux_versionA == 0 ) if (i_mux_versionA == 0)
{ if (i_mux_version == 1)
if( i_mux_version == 1 )
{
LatmGetValue(s); /* taraBufferFullness */ LatmGetValue(s); /* taraBufferFullness */
}
}
m->b_same_time_framing = bs_read1( s ); m->b_same_time_framing = bs_read1(s);
m->i_sub_frames = 1 + bs_read( s, 6 ); m->i_sub_frames = 1 + bs_read(s, 6);
m->i_programs = 1 + bs_read( s, 4 ); m->i_programs = 1 + bs_read(s, 4);
for( i_program = 0; i_program < m->i_programs; i_program++ ) for (int i_program = 0; i_program < m->i_programs; i_program++) {
{ m->pi_layers[i_program] = 1+bs_read(s, 3);
int i_layer;
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]; latm_stream_t *st = &m->stream[m->i_streams];
bool b_previous_cfg; bool b_previous_cfg;
...@@ -713,48 +660,41 @@ static int LatmReadStreamMuxConfiguration( latm_mux_t *m, bs_t *s ) ...@@ -713,48 +660,41 @@ static int LatmReadStreamMuxConfiguration( latm_mux_t *m, bs_t *s )
st->i_layer = i_layer; st->i_layer = i_layer;
b_previous_cfg = false; b_previous_cfg = false;
if( i_program != 0 || i_layer != 0 ) if (i_program != 0 || i_layer != 0)
b_previous_cfg = bs_read1( s ); b_previous_cfg = bs_read1(s);
if( b_previous_cfg ) if (b_previous_cfg) {
{ assert(m->i_streams > 0);
assert( m->i_streams > 0 );
st->cfg = m->stream[m->i_streams-1].cfg; st->cfg = m->stream[m->i_streams-1].cfg;
} } else {
else
{
int i_cfg_size = 0; int i_cfg_size = 0;
if( i_mux_version == 1 ) if (i_mux_version == 1)
i_cfg_size = LatmGetValue(s); i_cfg_size = LatmGetValue(s);
i_cfg_size -= Mpeg4ReadAudioSpecificInfo( &st->cfg, &st->i_extra, st->extra, s, i_cfg_size ); i_cfg_size -= Mpeg4ReadAudioSpecificInfo(&st->cfg, &st->i_extra, st->extra, s, i_cfg_size);
if( i_cfg_size > 0 ) if (i_cfg_size > 0)
bs_skip( s, i_cfg_size ); bs_skip(s, i_cfg_size);
} }
st->i_frame_length_type = bs_read( s, 3 ); st->i_frame_length_type = bs_read(s, 3);
switch( st->i_frame_length_type ) switch(st->i_frame_length_type)
{ {
case 0: case 0:
{ {
bs_skip( s, 8 ); /* latmBufferFullnes */ bs_skip(s, 8); /* latmBufferFullnes */
if( !m->b_same_time_framing ) if (!m->b_same_time_framing)
{ if (st->cfg.i_object_type == 6 || st->cfg.i_object_type == 20 ||
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)
st->cfg.i_object_type == 8 || st->cfg.i_object_type == 24 ) bs_skip(s, 6); /* eFrameOffset */
{
bs_skip( s, 6 ); /* eFrameOffset */
}
}
break; break;
} }
case 1: case 1:
st->i_frame_length = bs_read( s, 9 ); st->i_frame_length = bs_read(s, 9);
break; break;
case 3: case 4: case 5: 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; break;
case 6: case 7: 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: default:
break; break;
} }
...@@ -764,152 +704,120 @@ static int LatmReadStreamMuxConfiguration( latm_mux_t *m, bs_t *s ) ...@@ -764,152 +704,120 @@ static int LatmReadStreamMuxConfiguration( latm_mux_t *m, bs_t *s )
} }
/* other data */ /* other data */
if( bs_read1( s ) ) if (bs_read1(s)) {
{ if (i_mux_version == 1)
if( i_mux_version == 1 ) m->i_other_data = LatmGetValue(s);
{ else {
m->i_other_data = LatmGetValue( s );
}
else
{
int b_continue; int b_continue;
do { do {
b_continue = bs_read1(s); b_continue = bs_read1(s);
m->i_other_data = (m->i_other_data << 8) + bs_read( s, 8 ); m->i_other_data = (m->i_other_data << 8) + bs_read(s, 8);
} while( b_continue ); } while (b_continue);
} }
} }
/* crc */ /* crc */
m->i_crc = -1; m->i_crc = -1;
if( bs_read1( s ) ) if (bs_read1(s))
m->i_crc = bs_read( s, 8 ); m->i_crc = bs_read(s, 8);
return 0; 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; decoder_sys_t *p_sys = p_dec->p_sys;
bs_t s; bs_t s;
int i_sub;
int i_accumulated = 0; 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 */ /* Read the stream mux configuration if present */
if( !bs_read1( &s ) ) if (!bs_read1(&s)) {
{ if (!LatmReadStreamMuxConfiguration(&p_sys->latm, &s) &&
if( !LatmReadStreamMuxConfiguration( &p_sys->latm, &s ) && p_sys->latm.i_streams > 0) {
p_sys->latm.i_streams > 0 )
{
const latm_stream_t *st = &p_sys->latm.stream[0]; const latm_stream_t *st = &p_sys->latm.stream[0];
p_sys->i_channels = st->cfg.i_channel; p_sys->i_channels = st->cfg.i_channel;
p_sys->i_rate = st->cfg.i_samplerate; p_sys->i_rate = st->cfg.i_samplerate;
p_sys->i_frame_length = st->cfg.i_frame_length; p_sys->i_frame_length = st->cfg.i_frame_length;
if ( p_sys->i_channels > 0 && p_sys->i_rate > 0 && if (p_sys->i_channels > 0 && p_sys->i_rate > 0 &&
p_sys->i_frame_length > 0 ) p_sys->i_frame_length > 0) {
{
/* FIXME And if it changes ? */ /* 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.i_extra = st->i_extra;
p_dec->fmt_out.p_extra = malloc( st->i_extra ); p_dec->fmt_out.p_extra = malloc(st->i_extra);
if( !p_dec->fmt_out.p_extra ) if (!p_dec->fmt_out.p_extra) {
{
p_dec->fmt_out.i_extra = 0; p_dec->fmt_out.i_extra = 0;
return 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; p_sys->b_latm_cfg = true;
} }
} }
} }
/* Wait for the configuration */ /* Wait for the configuration */
if( !p_sys->b_latm_cfg ) if (!p_sys->b_latm_cfg)
return 0; return 0;
/* FIXME do we need to split the subframe into independent packet ? */ /* FIXME do we need to split the subframe into independent packet ? */
if( p_sys->latm.i_sub_frames > 1 ) if (p_sys->latm.i_sub_frames > 1)
msg_Err( p_dec, "latm sub frames not yet supported, please send a sample" ); 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]; int pi_payload[LATM_MAX_PROGRAM][LATM_MAX_LAYER];
if( p_sys->latm.b_same_time_framing ) if (p_sys->latm.b_same_time_framing) {
{
int i_program;
/* Payload length */ /* Payload length */
for( i_program = 0; i_program < p_sys->latm.i_programs; i_program++ ) 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++) {
int i_layer;
for( 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]]; 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; int i_payload = 0;
for( ;; ) for (;;) {
{ int i_tmp = bs_read(&s, 8);
int i_tmp = bs_read( &s, 8 );
i_payload += i_tmp; i_payload += i_tmp;
if( i_tmp != 255 ) if (i_tmp != 255)
break; break;
} }
pi_payload[i_program][i_layer] = i_payload; 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 */ pi_payload[i_program][i_layer] = st->i_frame_length / 8; /* XXX not correct */
} } else if ((st->i_frame_length_type == 3) ||
else if( ( st->i_frame_length_type == 3 ) || (st->i_frame_length_type == 5) ||
( st->i_frame_length_type == 5 ) || (st->i_frame_length_type == 7)) {
( st->i_frame_length_type == 7 ) ) bs_skip(&s, 2); // muxSlotLengthCoded
{
bs_skip( &s, 2 ); // muxSlotLengthCoded
pi_payload[i_program][i_layer] = 0; /* TODO */ pi_payload[i_program][i_layer] = 0; /* TODO */
} } else {
else
{
pi_payload[i_program][i_layer] = 0; /* TODO */ pi_payload[i_program][i_layer] = 0; /* TODO */
} }
} }
} }
/* Payload Data */ /* Payload Data */
for( i_program = 0; i_program < p_sys->latm.i_programs; i_program++ ) 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++) {
int i_layer;
int i;
for( i_layer = 0; i_layer < p_sys->latm.pi_layers[i_program]; i_layer++ )
{
/* XXX we only extract 1 stream */ /* XXX we only extract 1 stream */
if( i_program != 0 || i_layer != 0 ) if (i_program != 0 || i_layer != 0)
break; break;
if( pi_payload[i_program][i_layer] <= 0 ) if (pi_payload[i_program][i_layer] <= 0)
continue; continue;
/* FIXME that's slow (and a bit ugly to write in place) */ /* FIXME that's slow (and a bit ugly to write in place) */
for( i = 0; i < pi_payload[i_program][i_layer]; i++ ) for (int i = 0; i < pi_payload[i_program][i_layer]; i++)
p_buffer[i_accumulated++] = bs_read( &s, 8 ); p_buffer[i_accumulated++] = bs_read(&s, 8);
} }
} }
} } else {
else const int i_chunks = bs_read(&s, 4);
{
const int i_chunks = bs_read( &s, 4 );
int pi_program[16]; int pi_program[16];
int pi_layer[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++ ) for (int i_chunk = 0; i_chunk < i_chunks; i_chunk++) {
{ const int streamIndex = bs_read(&s, 4);
const int streamIndex = bs_read( &s, 4 );
latm_stream_t *st = &p_sys->latm.stream[streamIndex]; latm_stream_t *st = &p_sys->latm.stream[streamIndex];
const int i_program = st->i_program; const int i_program = st->i_program;
const int i_layer = st->i_layer; 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 ) ...@@ -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_program[i_chunk] = i_program;
pi_layer[i_chunk] = i_layer; pi_layer[i_chunk] = i_layer;
if( st->i_frame_length_type == 0 ) if (st->i_frame_length_type == 0) {
{
int i_payload = 0; int i_payload = 0;
for( ;; ) for (;;) {
{ int i_tmp = bs_read(&s, 8);
int i_tmp = bs_read( &s, 8 );
i_payload += i_tmp; i_payload += i_tmp;
if( i_tmp != 255 ) if (i_tmp != 255)
break; break;
} }
pi_payload[i_program][i_layer] = i_payload; pi_payload[i_program][i_layer] = i_payload;
bs_skip( &s, 1 ); // auEndFlag bs_skip(&s, 1); // auEndFlag
} } 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 */ pi_payload[i_program][i_layer] = st->i_frame_length / 8; /* XXX not correct */
} } else if ((st->i_frame_length_type == 3) ||
else if( ( st->i_frame_length_type == 3 ) || (st->i_frame_length_type == 5) ||
( st->i_frame_length_type == 5 ) || (st->i_frame_length_type == 7)) {
( st->i_frame_length_type == 7 ) ) bs_read(&s, 2); // muxSlotLengthCoded
{
bs_read( &s, 2 ); // muxSlotLengthCoded
}
else
{
} }
} }
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_program = pi_program[i_chunk];
//const int i_layer = pi_layer[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 ) ...@@ -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 ) #if 0
{ if (p_sys->latm.i_other_data > 0)
/* Other data XXX we just ignore them */ ; // TODO
} #endif
bs_align( &s ); bs_align(&s);
return i_accumulated; return i_accumulated;
} }
...@@ -966,70 +864,64 @@ static int LOASParse( decoder_t *p_dec, uint8_t *p_buffer, int i_buffer ) ...@@ -966,70 +864,64 @@ static int LOASParse( decoder_t *p_dec, uint8_t *p_buffer, int i_buffer )
/**************************************************************************** /****************************************************************************
* PacketizeStreamBlock: ADTS/LOAS packetizer * PacketizeStreamBlock: ADTS/LOAS packetizer
****************************************************************************/ ****************************************************************************/
static void SetupOutput( decoder_t *p_dec, block_t *p_block ); static void SetupOutput(decoder_t *p_dec, block_t *p_block);
static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block ) static block_t *PacketizeStreamBlock(decoder_t *p_dec, block_t **pp_block)
{ {
decoder_sys_t *p_sys = p_dec->p_sys; decoder_sys_t *p_sys = p_dec->p_sys;
uint8_t p_header[ADTS_HEADER_SIZE + LOAS_HEADER_SIZE]; uint8_t p_header[ADTS_HEADER_SIZE + LOAS_HEADER_SIZE];
block_t *p_out_buffer; block_t *p_out_buffer;
uint8_t *p_buf; 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_DISCONTINUITY|BLOCK_FLAG_CORRUPTED)) {
{ if ((*pp_block)->i_flags&BLOCK_FLAG_CORRUPTED) {
if( (*pp_block)->i_flags&BLOCK_FLAG_CORRUPTED )
{
p_sys->i_state = STATE_NOSYNC; p_sys->i_state = STATE_NOSYNC;
block_BytestreamEmpty( &p_sys->bytestream ); block_BytestreamEmpty(&p_sys->bytestream);
} }
date_Set( &p_sys->end_date, 0 ); date_Set(&p_sys->end_date, 0);
block_Release( *pp_block ); block_Release(*pp_block);
return NULL; 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. */ /* We've just started the stream, wait for the first PTS. */
block_Release( *pp_block ); block_Release(*pp_block);
return NULL; 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: case STATE_NOSYNC:
while( block_PeekBytes( &p_sys->bytestream, p_header, 2 ) while (block_PeekBytes(&p_sys->bytestream, p_header, 2)
== VLC_SUCCESS ) == VLC_SUCCESS)
{ {
/* Look for sync word - should be 0xfff(adts) or 0x2b7(loas) */ /* Look for sync word - should be 0xfff(adts) or 0x2b7(loas) */
if( p_header[0] == 0xff && (p_header[1] & 0xf6) == 0xf0 ) if (p_header[0] == 0xff && (p_header[1] & 0xf6) == 0xf0) {
{ if (p_sys->i_type != TYPE_ADTS)
if( p_sys->i_type != TYPE_ADTS ) msg_Dbg(p_dec, "detected ADTS format");
msg_Dbg( p_dec, "detected ADTS format" );
p_sys->i_state = STATE_SYNC; p_sys->i_state = STATE_SYNC;
p_sys->i_type = TYPE_ADTS; p_sys->i_type = TYPE_ADTS;
break; break;
} } else if (p_header[0] == 0x56 && (p_header[1] & 0xe0) == 0xe0) {
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");
if( p_sys->i_type != TYPE_LOAS )
msg_Dbg( p_dec, "detected LOAS format" );
p_sys->i_state = STATE_SYNC; p_sys->i_state = STATE_SYNC;
p_sys->i_type = TYPE_LOAS; p_sys->i_type = TYPE_LOAS;
break; break;
} }
block_SkipByte( &p_sys->bytestream ); block_SkipByte(&p_sys->bytestream);
} }
if( p_sys->i_state != STATE_SYNC ) if (p_sys->i_state != STATE_SYNC) {
{ block_BytestreamFlush(&p_sys->bytestream);
block_BytestreamFlush( &p_sys->bytestream );
/* Need more data */ /* Need more data */
return NULL; return NULL;
...@@ -1038,51 +930,39 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block ) ...@@ -1038,51 +930,39 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
case STATE_SYNC: case STATE_SYNC:
/* New frame, set the Presentation Time Stamp */ /* New frame, set the Presentation Time Stamp */
p_sys->i_pts = p_sys->bytestream.p_block->i_pts; p_sys->i_pts = p_sys->bytestream.p_block->i_pts;
if( p_sys->i_pts > VLC_TS_INVALID && if (p_sys->i_pts > VLC_TS_INVALID &&
p_sys->i_pts != date_Get( &p_sys->end_date ) ) p_sys->i_pts != date_Get(&p_sys->end_date))
{ date_Set(&p_sys->end_date, p_sys->i_pts);
date_Set( &p_sys->end_date, p_sys->i_pts );
}
p_sys->i_state = STATE_HEADER; p_sys->i_state = STATE_HEADER;
break; break;
case STATE_HEADER: 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) */ /* Get ADTS frame header (ADTS_HEADER_SIZE bytes) */
if( block_PeekBytes( &p_sys->bytestream, p_header, if (block_PeekBytes(&p_sys->bytestream, p_header,
ADTS_HEADER_SIZE ) != VLC_SUCCESS ) ADTS_HEADER_SIZE) != VLC_SUCCESS)
{ return NULL; /* Need more data */
/* Need more data */
return NULL;
}
/* Check if frame is valid and get frame info */ /* 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_channels,
&p_sys->i_rate, &p_sys->i_rate,
&p_sys->i_frame_length, &p_sys->i_frame_length,
&p_sys->i_header_size ); &p_sys->i_header_size);
} } else {
else assert(p_sys->i_type == TYPE_LOAS);
{
assert( p_sys->i_type == TYPE_LOAS );
/* Get LOAS frame header (LOAS_HEADER_SIZE bytes) */ /* Get LOAS frame header (LOAS_HEADER_SIZE bytes) */
if( block_PeekBytes( &p_sys->bytestream, p_header, if (block_PeekBytes(&p_sys->bytestream, p_header,
LOAS_HEADER_SIZE ) != VLC_SUCCESS ) LOAS_HEADER_SIZE) != VLC_SUCCESS)
{ return NULL; /* Need more data */
/* Need more data */
return NULL;
}
/* Check if frame is valid and get frame info */ /* 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 ) if (p_sys->i_frame_size <= 0) {
{ msg_Dbg(p_dec, "emulated sync word");
msg_Dbg( p_dec, "emulated sync word" ); block_SkipByte(&p_sys->bytestream);
block_SkipByte( &p_sys->bytestream );
p_sys->i_state = STATE_NOSYNC; p_sys->i_state = STATE_NOSYNC;
break; break;
} }
...@@ -1092,32 +972,26 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block ) ...@@ -1092,32 +972,26 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
case STATE_NEXT_SYNC: case STATE_NEXT_SYNC:
/* TODO: If p_block == NULL, flush the buffer without checking the /* TODO: If p_block == NULL, flush the buffer without checking the
* next sync word */ * next sync word */
if( p_sys->bytestream.p_block == NULL ) if (p_sys->bytestream.p_block == NULL) {
{
p_sys->i_state = STATE_NOSYNC; p_sys->i_state = STATE_NOSYNC;
block_BytestreamFlush( &p_sys->bytestream ); block_BytestreamFlush(&p_sys->bytestream);
return NULL; return NULL;
} }
/* Check if next expected frame contains the sync word */ /* Check if next expected frame contains the sync word */
if( block_PeekOffsetBytes( &p_sys->bytestream, p_sys->i_frame_size if (block_PeekOffsetBytes(&p_sys->bytestream, p_sys->i_frame_size
+ p_sys->i_header_size, p_header, 2 ) + p_sys->i_header_size, p_header, 2) != VLC_SUCCESS)
!= VLC_SUCCESS ) return NULL; /* Need more data */
{
/* Need more data */ assert((p_sys->i_type == TYPE_ADTS) || (p_sys->i_type == TYPE_LOAS));
return NULL; if (((p_sys->i_type == TYPE_ADTS) &&
} (p_header[0] != 0xff || (p_header[1] & 0xf6) != 0xf0)) ||
((p_sys->i_type == TYPE_LOAS) &&
assert( (p_sys->i_type == TYPE_ADTS) || (p_sys->i_type == TYPE_LOAS) ); (p_header[0] != 0x56 || (p_header[1] & 0xe0) != 0xe0))) {
if( ( ( p_sys->i_type == TYPE_ADTS ) && msg_Dbg(p_dec, "emulated sync word "
( p_header[0] != 0xff || (p_header[1] & 0xf6) != 0xf0 ) ) || "(no sync on following frame)");
( ( 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; p_sys->i_state = STATE_NOSYNC;
block_SkipByte( &p_sys->bytestream ); block_SkipByte(&p_sys->bytestream);
break; break;
} }
...@@ -1127,58 +1001,50 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block ) ...@@ -1127,58 +1001,50 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
case STATE_GET_DATA: case STATE_GET_DATA:
/* Make sure we have enough data. /* Make sure we have enough data.
* (Not useful if we went through NEXT_SYNC) */ * (Not useful if we went through NEXT_SYNC) */
if( block_WaitBytes( &p_sys->bytestream, p_sys->i_frame_size + if (block_WaitBytes(&p_sys->bytestream, p_sys->i_frame_size +
p_sys->i_header_size) != VLC_SUCCESS ) p_sys->i_header_size) != VLC_SUCCESS)
{ return NULL; /* Need more data */
/* Need more data */
return NULL;
}
p_sys->i_state = STATE_SEND_DATA; p_sys->i_state = STATE_SEND_DATA;
case STATE_SEND_DATA: case STATE_SEND_DATA:
/* When we reach this point we already know we have enough /* When we reach this point we already know we have enough
* data available. */ * data available. */
p_out_buffer = block_Alloc( p_sys->i_frame_size ); p_out_buffer = block_Alloc(p_sys->i_frame_size);
if( !p_out_buffer ) if (!p_out_buffer) {
{
//p_dec->b_error = true; //p_dec->b_error = true;
return NULL; return NULL;
} }
p_buf = p_out_buffer->p_buffer; p_buf = p_out_buffer->p_buffer;
/* Skip the ADTS/LOAS header */ /* 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 */ /* Copy the whole frame into the buffer */
block_GetBytes( &p_sys->bytestream, p_buf, p_sys->i_frame_size ); block_GetBytes(&p_sys->bytestream, p_buf, p_sys->i_frame_size);
} } else {
else assert(p_sys->i_type == TYPE_LOAS);
{
assert( p_sys->i_type == TYPE_LOAS );
/* Copy the whole frame into the buffer and parse/extract it */ /* Copy the whole frame into the buffer and parse/extract it */
block_GetBytes( &p_sys->bytestream, p_buf, p_sys->i_frame_size ); 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 ); p_out_buffer->i_buffer = LOASParse(p_dec, p_buf, p_sys->i_frame_size);
if( p_out_buffer->i_buffer <= 0 ) if (p_out_buffer->i_buffer <= 0) {
{ if (!p_sys->b_latm_cfg)
if( !p_sys->b_latm_cfg ) msg_Warn(p_dec, "waiting for header");
msg_Warn( p_dec, "waiting for header" );
block_Release(p_out_buffer);
block_Release( p_out_buffer );
p_out_buffer = NULL; p_out_buffer = NULL;
p_sys->i_state = STATE_NOSYNC; p_sys->i_state = STATE_NOSYNC;
break; break;
} }
} }
SetupOutput( p_dec, p_out_buffer ); SetupOutput(p_dec, p_out_buffer);
/* Make sure we don't reuse the same pts twice */ /* 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; p_sys->i_pts = p_sys->bytestream.p_block->i_pts = VLC_TS_INVALID;
/* So p_block doesn't get re-added several times */ /* 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; p_sys->i_state = STATE_NOSYNC;
...@@ -1192,18 +1058,17 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block ) ...@@ -1192,18 +1058,17 @@ static block_t *PacketizeStreamBlock( decoder_t *p_dec, block_t **pp_block )
/***************************************************************************** /*****************************************************************************
* SetupBuffer: * 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; decoder_sys_t *p_sys = p_dec->p_sys;
if( p_dec->fmt_out.audio.i_rate != 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",
msg_Info( p_dec, "AAC channels: %d samplerate: %d", p_sys->i_channels, p_sys->i_rate);
p_sys->i_channels, p_sys->i_rate );
const mtime_t i_end_date = date_Get( &p_sys->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_Init(&p_sys->end_date, p_sys->i_rate, 1);
date_Set( &p_sys->end_date, i_end_date ); date_Set(&p_sys->end_date, i_end_date);
} }
p_dec->fmt_out.audio.i_rate = p_sys->i_rate; 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 ) ...@@ -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; p_dec->fmt_out.audio.i_physical_channels = p_sys->i_channels_conf;
#endif #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 = 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 * 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_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys = p_dec->p_sys; 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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