static rtp_check_return_t check (lib_message_func_t msg,
format_list_t *fmt,
uint8_t rtp_payload_type,
CConfigSet *pConfig)
{
if (fmt == NULL || fmt->rtpmap == NULL ) {
return RTP_PLUGIN_NO_MATCH;
}
if ( (strcasecmp(fmt->rtpmap->encode_name, "enc-mpeg4-generic") != 0) ) {
return RTP_PLUGIN_NO_MATCH;
}
if (strcasecmp(fmt->media->media, "audio") != 0 ) {
return RTP_PLUGIN_NO_MATCH;
}
fmtp_parse_t *fmtp;
int len;
fmtp = parse_fmtp_for_mpeg4(fmt->fmt_param, msg);
if (fmtp == NULL) {
return RTP_PLUGIN_NO_MATCH;
}
len = fmtp->size_length;
free_fmtp_parse(fmtp);
if (len == 0) {
return RTP_PLUGIN_NO_MATCH;
}
return RTP_PLUGIN_MATCH;
}
static int celp_codec_check (lib_message_func_t message,
const char *stream_type,
const char *compressor,
int type,
int profile,
format_list_t *fptr,
const uint8_t *userdata,
uint32_t userdata_size,
CConfigSet *pConfig)
{
fmtp_parse_t *fmtp = NULL;
if (strcasecmp(stream_type, STREAM_TYPE_MP4_FILE) == 0 &&
type != -1) {
switch (type) {
case MP4_MPEG4_AUDIO_TYPE:
break;
default:
return -1;
}
}
if (strcasecmp(stream_type, STREAM_TYPE_RTP) == 0 &&
fptr != NULL &&
fptr->rtpmap != NULL &&
fptr->rtpmap->encode_name != NULL) {
if (strcasecmp(fptr->rtpmap->encode_name, "mpeg4-generic") != 0) {
return -1;
}
if (userdata == NULL) {
fmtp = parse_fmtp_for_mpeg4(fptr->fmt_param, message);
if (fmtp != NULL) {
userdata = fmtp->config_binary;
userdata_size = fmtp->config_binary_len;
}
}
}
if (userdata != NULL) {
mpeg4_audio_config_t audio_config;
decode_mpeg4_audio_config(userdata, userdata_size, &audio_config, false);
if (fmtp != NULL) free_fmtp_parse(fmtp);
if (audio_object_type_is_celp(&audio_config) == 0) {
return -1;
}
return 1;
}
if (compressor != NULL) {
const char **lptr = celp_compressors;
while (*lptr != NULL) {
if (strcasecmp(*lptr, compressor) == 0) {
return 1;
}
lptr++;
}
}
return -1;
}
static codec_data_t *ffmpeg_create (const char *stream_type,
const char *compressor,
int type,
int profile,
format_list_t *media_fmt,
video_info_t *vinfo,
const uint8_t *userdata,
uint32_t ud_size,
video_vft_t *vft,
void *ifptr)
{
ffmpeg_codec_t *ffmpeg;
ffmpeg = MALLOC_STRUCTURE(ffmpeg_codec_t);
memset(ffmpeg, 0, sizeof(*ffmpeg));
ffmpeg->m_vft = vft;
ffmpeg->m_ifptr = ifptr;
avcodec_init();
avcodec_register_all();
av_log_set_level(AV_LOG_QUIET);
ffmpeg->m_codecId = ffmpeg_find_codec(stream_type, compressor, type,
profile, media_fmt, userdata, ud_size);
// must have a codecID - we checked it earlier
ffmpeg->m_codec = avcodec_find_decoder(ffmpeg->m_codecId);
ffmpeg->m_c = avcodec_alloc_context();
ffmpeg->m_picture = avcodec_alloc_frame();
bool open_codec = true;
bool run_userdata = false;
bool free_userdata = false;
switch (ffmpeg->m_codecId) {
case CODEC_ID_MJPEG:
break;
case CODEC_ID_H264:
// need to find height and width
if (media_fmt != NULL && media_fmt->fmt_param != NULL) {
userdata = h264_sdp_parse_sprop_param_sets(media_fmt->fmt_param,
&ud_size,
ffmpeg->m_vft->log_msg);
if (userdata != NULL) free_userdata = true;
ffmpeg_message(LOG_DEBUG, "ffmpeg", "sprop len %d", ud_size);
}
if (ud_size > 0) {
ffmpeg_message(LOG_DEBUG, "ffmpeg", "userdata len %d", ud_size);
open_codec = ffmpeg_find_h264_size(ffmpeg, userdata, ud_size);
ffmpeg_message(LOG_DEBUG, "ffmpeg", "open codec is %d", open_codec);
run_userdata = true;
} else {
open_codec = false;
}
break;
case CODEC_ID_MPEG4: {
fmtp_parse_t *fmtp = NULL;
open_codec = false;
if (media_fmt != NULL) {
fmtp = parse_fmtp_for_mpeg4(media_fmt->fmt_param,
ffmpeg->m_vft->log_msg);
if (fmtp->config_binary != NULL) {
userdata = fmtp->config_binary;
ud_size = fmtp->config_binary_len;
fmtp->config_binary = NULL;
free_userdata = true;
}
}
if (ud_size > 0) {
uint8_t *vol = MP4AV_Mpeg4FindVol((uint8_t *)userdata, ud_size);
u_int8_t TimeBits;
u_int16_t TimeTicks;
u_int16_t FrameDuration;
u_int16_t FrameWidth;
u_int16_t FrameHeight;
u_int8_t aspectRatioDefine;
u_int8_t aspectRatioWidth;
u_int8_t aspectRatioHeight;
if (vol) {
if (MP4AV_Mpeg4ParseVol(vol,
ud_size - (vol - userdata),
&TimeBits,
&TimeTicks,
&FrameDuration,
&FrameWidth,
&FrameHeight,
&aspectRatioDefine,
&aspectRatioWidth,
&aspectRatioHeight)) {
ffmpeg->m_c->width = FrameWidth;
ffmpeg->m_c->height = FrameHeight;
open_codec = true;
run_userdata = true;
}
}
}
if (fmtp != NULL) {
free_fmtp_parse(fmtp);
}
}
break;
case CODEC_ID_SVQ3:
ffmpeg->m_c->extradata = (void *)userdata;
ffmpeg->m_c->extradata_size = ud_size;
if (vinfo != NULL) {
ffmpeg->m_c->width = vinfo->width;
ffmpeg->m_c->height = vinfo->height;
}
break;
default:
break;
}
if (open_codec) {
if (avcodec_open(ffmpeg->m_c, ffmpeg->m_codec) < 0) {
ffmpeg_message(LOG_CRIT, "ffmpeg", "failed to open codec");
return NULL;
}
ffmpeg_message(LOG_DEBUG, "ffmpeg", "pixel format is %d",
ffmpeg->m_c->pix_fmt);
ffmpeg->m_codec_opened = true;
if (run_userdata) {
uint32_t offset = 0;
do {
int got_picture;
offset += avcodec_decode_video(ffmpeg->m_c,
ffmpeg->m_picture,
&got_picture,
(uint8_t *)userdata + offset,
ud_size - offset);
} while (offset < ud_size);
}
}
if (free_userdata) {
CHECK_AND_FREE(userdata);
}
ffmpeg->m_did_pause = 1;
return ((codec_data_t *)ffmpeg);
}
/*
* Isma rtp bytestream has a potential set of headers at the beginning
* of each rtp frame. This can interleave frames in different packets
*/
rtp_plugin_data_t *isma_rtp_plugin_create (format_list_t *media_fmt,
uint8_t rtp_payload_type,
rtp_vft_t *vft,
void *ifptr)
{
isma_enc_rtp_data_t *iptr;
fmtp_parse_t *fmtp;
iptr = MALLOC_STRUCTURE(isma_enc_rtp_data_t);
if ( iptr == NULL )
return NULL;
memset(iptr, 0, sizeof(isma_enc_rtp_data_t));
if (strcasecmp(media_fmt->media->media, "audio") == 0) {
ismacrypInitSession(&(iptr->myEncSID), KeyTypeAudio);
}
iptr->m_vft = vft;
iptr->m_ifptr = ifptr;
iptr->m_rtp_packet_mutex = SDL_CreateMutex();
#ifdef ISMA_RTP_DUMP_OUTPUT_TO_FILE
iptr->m_outfile = fopen("isma.aac", "w");
#endif
iptr->m_frame_data_head = NULL;
iptr->m_frame_data_on = NULL;
iptr->m_frame_data_free = NULL;
isma_frame_data_t *p;
for (iptr->m_frame_data_max = 0; iptr->m_frame_data_max < 25; iptr->m_frame_data_max++) {
p = (isma_frame_data_t *)malloc(sizeof(isma_frame_data_t));
p->frame_data_next = iptr->m_frame_data_free;
iptr->m_frame_data_free = p;
}
fmtp = parse_fmtp_for_mpeg4(media_fmt->fmt_param, iptr->m_vft->log_msg);
mpeg4_audio_config_t audio_config;
decode_mpeg4_audio_config(fmtp->config_binary,
fmtp->config_binary_len,
&audio_config);
if (audio_object_type_is_aac(&audio_config)) {
iptr->m_rtp_ts_add = audio_config.codec.aac.frame_len_1024 != 0 ? 1024 : 960;
} else {
iptr->m_rtp_ts_add = audio_config.codec.celp.samples_per_frame;
isma_message(LOG_DEBUG, ismaencrtp, "celp spf is %d", iptr->m_rtp_ts_add);
}
iptr->m_rtp_ts_add = (iptr->m_rtp_ts_add * media_fmt->rtpmap->clock_rate) /
audio_config.frequency;
isma_message(LOG_DEBUG, ismaencrtp,
"Rtp ts add is %d (%d %d)", iptr->m_rtp_ts_add,
media_fmt->rtpmap->clock_rate,
audio_config.frequency);
iptr->m_fmtp = fmtp;
iptr->m_min_first_header_bits = iptr->m_fmtp->size_length + iptr->m_fmtp->index_length;
iptr->m_min_header_bits = iptr->m_fmtp->size_length + iptr->m_fmtp->index_delta_length;
if (iptr->m_fmtp->CTS_delta_length > 0) {
iptr->m_min_header_bits++;
iptr->m_min_first_header_bits++;
}
if (iptr->m_fmtp->DTS_delta_length > 0) {
iptr->m_min_header_bits++;
iptr->m_min_first_header_bits++;
}
isma_message(LOG_DEBUG, ismaencrtp, "min headers are %d %d", iptr->m_min_first_header_bits,
iptr->m_min_header_bits);
iptr->m_min_header_bits += iptr->m_fmtp->auxiliary_data_size_length;
iptr->m_min_first_header_bits += iptr->m_fmtp->auxiliary_data_size_length;
iptr->m_frag_reass_buffer = NULL;
iptr->m_frag_reass_size_max = 0;
return (&iptr->plug);
}
/*
* Create CAACodec class
*/
static codec_data_t *aac_codec_create (const char *compressor,
int type,
int profile,
format_list_t *media_fmt,
audio_info_t *audio,
const uint8_t *userdata,
uint32_t userdata_size,
audio_vft_t *vft,
void *ifptr)
{
aac_codec_t *aac;
aac = (aac_codec_t *)malloc(sizeof(aac_codec_t));
memset(aac, 0, sizeof(aac_codec_t));
aac->m_vft = vft;
aac->m_ifptr = ifptr;
fmtp_parse_t *fmtp = NULL;
// Start setting up FAAC stuff...
aac->m_resync_with_header = 1;
aac->m_record_sync_time = 1;
aac->m_audio_inited = 0;
// Use media_fmt to indicate that we're streaming.
if (media_fmt != NULL) {
// haven't checked for null buffer
// This is not necessarilly right - it is, for the most part, but
// we should be reading the fmtp statement, and looking at the config.
// (like we do below in the userdata section...
aac->m_freq = media_fmt->rtpmap->clock_rate;
fmtp = parse_fmtp_for_mpeg4(media_fmt->fmt_param, vft->log_msg);
if (fmtp != NULL) {
userdata = fmtp->config_binary;
userdata_size = fmtp->config_binary_len;
}
}
aac->m_info = faacDecOpen();
unsigned long srate;
unsigned char chan;
if ((userdata == NULL && fmtp == NULL) ||
(faacDecInit2(aac->m_info,
(uint8_t *)userdata,
userdata_size,
&srate,
&chan) < 0)) {
if (fmtp != NULL) free_fmtp_parse(fmtp);
return NULL;
}
mp4AudioSpecificConfig mp4ASC;
aac->m_output_frame_size = 1024;
if (AudioSpecificConfig((unsigned char *)userdata,
userdata_size,
&mp4ASC)) {
if (mp4ASC.frameLengthFlag) {
aac->m_output_frame_size = 960;
}
}
aac->m_freq = srate;
aac->m_chans = chan;
aac->m_faad_inited = 1;
aac->m_msec_per_frame = aac->m_output_frame_size;
aac->m_msec_per_frame *= M_LLU;
aac->m_msec_per_frame /= aac->m_freq;
// faad_init_bytestream(&m_info->ld, c_read_byte, c_bookmark, m_bytestream);
aa_message(LOG_INFO, aaclib, "Setting freq to %d", aac->m_freq);
#if DUMP_OUTPUT_TO_FILE
aac->m_outfile = fopen("temp.raw", "w");
#endif
if (fmtp != NULL) {
free_fmtp_parse(fmtp);
}
return (codec_data_t *)aac;
}
static int aac_codec_check (lib_message_func_t message,
const char *compressor,
int type,
int profile,
format_list_t *fptr,
const uint8_t *userdata,
uint32_t userdata_size
#ifdef HAVE_PLUGIN_VERSION_0_8
,CConfigSet *pConfig
#endif
)
{
fmtp_parse_t *fmtp = NULL;
if (compressor != NULL &&
strcasecmp(compressor, "MP4 FILE") == 0 &&
type != -1) {
switch (type) {
case MP4_MPEG2_AAC_MAIN_AUDIO_TYPE:
case MP4_MPEG2_AAC_LC_AUDIO_TYPE:
case MP4_MPEG2_AAC_SSR_AUDIO_TYPE:
case MP4_MPEG4_AUDIO_TYPE:
break;
default:
return -1;
}
}
if (fptr != NULL &&
fptr->rtpmap != NULL &&
fptr->rtpmap->encode_name != NULL) {
if (strcasecmp(fptr->rtpmap->encode_name, "mpeg4-generic") != 0) {
return -1;
}
if (userdata == NULL) {
fmtp = parse_fmtp_for_mpeg4(fptr->fmt_param, message);
if (fmtp != NULL) {
userdata = fmtp->config_binary;
userdata_size = fmtp->config_binary_len;
}
}
}
if (userdata != NULL) {
mpeg4_audio_config_t audio_config;
decode_mpeg4_audio_config(userdata, userdata_size, &audio_config);
message(LOG_DEBUG, "aac", "audio type is %d", audio_config.audio_object_type);
if (fmtp != NULL) free_fmtp_parse(fmtp);
if (audio_object_type_is_aac(&audio_config) == 0) {
return -1;
}
#if 0
if (audio_config.audio_object_type == 17) {
message(LOG_INFO, "aac", "audio type is legal ISMA, but not supported");
return -1;
}
#endif
return 2;
}
#if 0
// I'm not sure I want to be here if we don't have an audio config
if (compressor != NULL) {
const char **lptr = aac_compressors;
while (*lptr != NULL) {
if (strcasecmp(*lptr, compressor) == 0) {
return 2;
}
lptr++;
}
}
#endif
return -1;
}
/*
* Create CAACodec class
*/
static codec_data_t *aac_codec_create (const char *stream_type,
const char *compressor,
int type,
int profile,
format_list_t *media_fmt,
audio_info_t *audio,
const uint8_t *userdata,
uint32_t userdata_size,
audio_vft_t *vft,
void *ifptr)
{
aac_codec_t *aac;
aac = (aac_codec_t *)malloc(sizeof(aac_codec_t));
memset(aac, 0, sizeof(aac_codec_t));
aac->m_vft = vft;
aac->m_ifptr = ifptr;
fmtp_parse_t *fmtp = NULL;
// Start setting up FAAC stuff...
aac->m_resync_with_header = 1;
aac->m_record_sync_time = 1;
aac->m_faad_inited = 0;
aac->m_audio_inited = 0;
aac->m_temp_buff = (uint8_t *)malloc(4096);
// Use media_fmt to indicate that we're streaming.
if (media_fmt != NULL) {
// haven't checked for null buffer
// This is not necessarilly right - it is, for the most part, but
// we should be reading the fmtp statement, and looking at the config.
// (like we do below in the userdata section...
aac->m_freq = media_fmt->rtpmap->clock_rate;
fmtp = parse_fmtp_for_mpeg4(media_fmt->fmt_param, vft->log_msg);
if (fmtp != NULL) {
userdata = fmtp->config_binary;
userdata_size = fmtp->config_binary_len;
}
} else {
if (audio != NULL) {
aac->m_freq = audio->freq;
} else {
aac->m_freq = 44100;
}
}
aac->m_chans = 2; // this may be wrong - the isma spec, Appendix A.1.1 of
// Appendix H says the default is 1 channel...
aac->m_output_frame_size = 1024;
aac->m_object_type = AACMAIN;
if (userdata != NULL || fmtp != NULL) {
mpeg4_audio_config_t audio_config;
decode_mpeg4_audio_config(userdata, userdata_size, &audio_config);
aac->m_object_type = audio_config.audio_object_type;
aac->m_freq = audio_config.frequency;
aac->m_chans = audio_config.channels;
if (audio_config.codec.aac.frame_len_1024 == 0) {
aac->m_output_frame_size = 960;
}
}
aa_message(LOG_INFO, aaclib,"AAC object type is %d", aac->m_object_type);
aac->m_info = faacDecOpen();
faacDecConfiguration config;
config.defObjectType = aac->m_object_type;
config.defSampleRate = aac->m_freq;
faacDecSetConfiguration(aac->m_info, &config);
aac->m_msec_per_frame = aac->m_output_frame_size;
aac->m_msec_per_frame *= TO_U64(1000);
aac->m_msec_per_frame /= aac->m_freq;
// faad_init_bytestream(&m_info->ld, c_read_byte, c_bookmark, m_bytestream);
aa_message(LOG_INFO, aaclib, "Setting freq to %d", aac->m_freq);
#if DUMP_OUTPUT_TO_FILE
aac->m_outfile = fopen("temp.raw", "w");
#endif
if (fmtp != NULL) {
free_fmtp_parse(fmtp);
}
return (codec_data_t *)aac;
}
static int aac_codec_check (lib_message_func_t message,
const char *stream_type,
const char *compressor,
int type,
int profile,
format_list_t *fptr,
const uint8_t *userdata,
uint32_t userdata_size,
CConfigSet *pConfig)
{
fmtp_parse_t *fmtp = NULL;
if (compressor != NULL &&
strcasecmp(stream_type, "MP4 FILE") == 0 &&
type != -1) {
switch (type) {
case MP4_MPEG2_AAC_MAIN_AUDIO_TYPE:
case MP4_MPEG2_AAC_LC_AUDIO_TYPE:
case MP4_MPEG2_AAC_SSR_AUDIO_TYPE:
case MP4_MPEG4_AUDIO_TYPE:
break;
default:
return -1;
}
}
if (strcasecmp(stream_type, STREAM_TYPE_RTP) == 0 &&
fptr != NULL &&
fptr->rtpmap != NULL &&
fptr->rtpmap->encode_name != NULL) {
if ((strcasecmp(fptr->rtpmap->encode_name, "mpeg4-generic") != 0) &&
(strcasecmp(fptr->rtpmap->encode_name, "enc-mpeg4-generic") != 0)) {
return -1;
}
if (userdata == NULL) {
fmtp = parse_fmtp_for_mpeg4(fptr->fmt_param, message);
if (fmtp != NULL) {
userdata = fmtp->config_binary;
userdata_size = fmtp->config_binary_len;
}
}
}
if (userdata != NULL) {
mpeg4_audio_config_t audio_config;
decode_mpeg4_audio_config(userdata, userdata_size, &audio_config);
// message(LOG_DEBUG, "aac", "audio type is %d", audio_config.audio_object_type);
if (fmtp != NULL) free_fmtp_parse(fmtp);
if (audio_object_type_is_aac(&audio_config) == 0) {
return -1;
}
if (audio_config.audio_object_type == 17) {
message(LOG_INFO, "aac", "audio type is legal ISMA, but not supported");
return -1;
}
return 1;
}
if (compressor != NULL) {
const char **lptr = aac_compressors;
while (*lptr != NULL) {
if (strcasecmp(*lptr, compressor) == 0) {
return 1;
}
lptr++;
}
}
return -1;
}
static int xvid_codec_check (lib_message_func_t message,
const char *compressor,
int type,
int profile,
format_list_t *fptr,
const uint8_t *userdata,
uint32_t userdata_size,
CConfigSet *pConfig)
{
int retval;
retval = 3;
if (compressor != NULL &&
(strcasecmp(compressor, "MP4 FILE") == 0)) {
if ((type == MP4_MPEG4_VIDEO_TYPE) &&
((profile >= MPEG4_SP_L1 && profile <= MPEG4_SP_L3) ||
(profile == MPEG4_SP_L0))) {
return retval;
}
return -1;
}
if (fptr != NULL) {
// find format. If matches, call parse_fmtp_for_mpeg4, look at
// profile level.
if (fptr->rtpmap != NULL && fptr->rtpmap->encode_name != NULL) {
if (strcasecmp(fptr->rtpmap->encode_name, "MP4V-ES") == 0) {
fmtp_parse_t *fmtp;
media_desc_t *mptr = fptr->media;
if (find_unparsed_a_value(mptr->unparsed_a_lines, "a=x-mpeg4-simple-profile-decoder") != NULL) {
// our own special code for simple profile decoder
return retval;
}
fmtp = parse_fmtp_for_mpeg4(fptr->fmt_param, message);
int retvl = -1;
if (fmtp != NULL) {
int profile = fmtp->profile_level_id;
if ((profile >= MPEG4_SP_L1 && profile <= MPEG4_SP_L3) ||
(profile == MPEG4_SP_L0)) {
retvl = retval;
} else if (fmtp->config_binary != NULL) {
// see if they indicate simple tools in VOL
#if 0
uint8_t *volptr;
volptr = MP4AV_Mpeg4FindVol(fmtp->config_binary,
fmtp->config_binary_len);
if (volptr != NULL &&
((volptr[4] & 0x7f) == 0) &&
((volptr[5] & 0x80) == 0x80)) {
message(LOG_ERR, "xvid", "indicated simple tools in xvid");
retvl = retval;
}
#endif
}
free_fmtp_parse(fmtp);
}
return retvl;
}
}
return -1;
}
if (compressor != NULL) {
const char **lptr = xvid_compressors;
while (*lptr != NULL) {
if (strcasecmp(*lptr, compressor) == 0) {
return retval;
}
lptr++;
}
}
return -1;
}
static codec_data_t *celp_codec_create (const char *stream_type,
const char *compressor,
int type,
int profile,
format_list_t *media_fmt,
audio_info_t *audio,
const uint8_t *userdata,
uint32_t userdata_size,
audio_vft_t *vft,
void *ifptr)
{
int i;
celp_codec_t *celp;
celp = (celp_codec_t *)malloc(sizeof(celp_codec_t));
memset(celp, 0, sizeof(celp_codec_t));
#if 1
celp->m_vft = vft;
celp->m_ifptr = ifptr;
fmtp_parse_t *fmtp = NULL;
BsInit(0, 0, 0);
// Start setting up CELP stuff...
celp->m_record_sync_time = 1;
celp->m_celp_inited = 0;
celp->m_audio_inited = 0;
//celp->m_temp_buff = (float *)malloc(4096);
// Use media_fmt to indicate that we're streaming.
if (media_fmt != NULL) {
// haven't checked for null buffer
// This is not necessarilly right - it is, for the most part, but
// we should be reading the fmtp statement, and looking at the config.
// (like we do below in the userdata section...
celp->m_freq = media_fmt->rtpmap->clock_rate;
fmtp = parse_fmtp_for_mpeg4(media_fmt->fmt_param, vft->log_msg);
if (fmtp != NULL) {
userdata = fmtp->config_binary;
userdata_size = fmtp->config_binary_len;
}
} else {
if (audio != NULL) {
celp->m_freq = audio->freq;
} else {
celp->m_freq = 44100;
}
}
//celp->m_chans = 1; // this may be wrong - the isma spec, Appendix A.1.1 of
// Appendix H says the default is 1 channel...
//celp->m_output_frame_size = 2048;
// celp->m_object_type = 8;CELP AACMAIN;
mpeg4_audio_config_t audio_config;
if (userdata != NULL || fmtp != NULL) {
celp_message(LOG_DEBUG, celplib, "config len %d %02x %02x %02x %02x",
userdata_size, userdata[0], userdata[1], userdata[2],
userdata[3]);
decode_mpeg4_audio_config(userdata, userdata_size, &audio_config, false);
celp->m_object_type = audio_config.audio_object_type;
celp->m_freq = audio_config.frequency;
celp->m_chans = audio_config.channels;
}
// write
BsBitBuffer *bitHeader;
BsBitStream *hdrStream;
bitHeader=BsAllocBuffer(userdata_size * 8);
//wmay removed
bitHeader->numBit=userdata_size*8;
bitHeader->size=userdata_size*8;
memcpy(bitHeader->data,userdata,userdata_size);
hdrStream = BsOpenBufferRead(bitHeader);
BsGetSkip (hdrStream,userdata_size*8-audio_config.codec.celp.NumOfBitsInBuffer);
BsBitBuffer *bBuffer=BsAllocBuffer(userdata_size*8);
BsGetBuffer (hdrStream, bBuffer,audio_config.codec.celp.NumOfBitsInBuffer);
int delayNumSample;
DecLpcInit(celp->m_chans,celp->m_freq,0,NULL,
bBuffer ,&celp->m_output_frame_size,&delayNumSample);
celp->m_samples_per_frame = celp->m_output_frame_size;
celp->m_msec_per_frame *= TO_U64(1000);
celp->m_msec_per_frame /= celp->m_freq;
celp->m_last=userdata_size;
BsFreeBuffer (bitHeader);
BsFreeBuffer (bBuffer);
celp->m_sampleBuf=(float**)malloc(celp->m_chans*sizeof(float*));
for(i=0;i<celp->m_chans;i++)
// wmay - added 2 times - return for frame size was samples, not bytes
celp->m_sampleBuf[i]=(float*)malloc(2*celp->m_output_frame_size*sizeof(float));
celp->m_bufs =
(uint16_t *)malloc(sizeof(uint16_t) * 2 * celp->m_chans * celp->m_output_frame_size);
//celp->audiFile = AudioOpenWrite("out1.au",".au",
// celp->m_chans,celp->m_freq);
celp_message(LOG_INFO, celplib,"CELP object type is %d", celp->m_object_type);
//celp_message(LOG_INFO, celplib,"CELP channel are %d", celp->m_chans );
celp_message(LOG_INFO, celplib, "Setting freq to %d", celp->m_freq);
celp_message(LOG_INFO, celplib, "output frame size is %d", celp->m_output_frame_size);
#if DUMP_OUTPUT_TO_FILE
celp->m_outfile = fopen("temp.raw", "w");
#endif
if (fmtp != NULL) {
free_fmtp_parse(fmtp);
}
#endif
celp->m_vft->audio_configure(celp->m_ifptr,
celp->m_freq,
celp->m_chans,
AUDIO_FMT_S16,
celp->m_output_frame_size);
return (codec_data_t *)celp;
}
