GF_Err gf_bifs_flush_command_list(GF_BifsDecoder *codec)
{
GF_BitStream *bs;
GF_Err e;
CommandBufferItem *cbi;
u32 NbPass = gf_list_count(codec->command_buffers);
GF_List *nextPass = gf_list_new();
while (NbPass) {
while (gf_list_count(codec->command_buffers)) {
cbi = (CommandBufferItem *)gf_list_get(codec->command_buffers, 0);
gf_list_rem(codec->command_buffers, 0);
codec->current_graph = gf_node_get_graph(cbi->node);
e = GF_OK;
if (cbi->cb->bufferSize) {
bs = gf_bs_new((char*)cbi->cb->buffer, cbi->cb->bufferSize, GF_BITSTREAM_READ);
gf_bs_set_eos_callback(bs, BM_EndOfStream, codec);
e = BM_ParseCommand(codec, bs, cbi->cb->commandList);
gf_bs_del(bs);
}
if (!e) {
gf_free(cbi);
continue;
}
/*this may be an error or a dependency pb - reset coimmand list and move to next pass*/
while (gf_list_count(cbi->cb->commandList)) {
u32 i;
GF_CommandField *cf;
GF_Command *com = (GF_Command *)gf_list_get(cbi->cb->commandList, 0);
gf_list_rem(cbi->cb->commandList, 0);
cf = (GF_CommandField *) gf_list_get(com->command_fields, 0);
if (cf && cf->fieldType==GF_SG_VRML_SFCOMMANDBUFFER) {
for (i=0; i<gf_list_count(codec->command_buffers); i++) {
CommandBufferItem *cbi2 = (CommandBufferItem *)gf_list_get(codec->command_buffers, i);
if (cbi2->cb == cf->field_ptr) {
gf_free(cbi2);
gf_list_rem(codec->command_buffers, i);
i--;
}
}
}
gf_sg_command_del(com);
}
gf_list_add(nextPass, cbi);
}
if (!gf_list_count(nextPass)) break;
/*prepare next pass*/
while (gf_list_count(nextPass)) {
cbi = (CommandBufferItem *)gf_list_get(nextPass, 0);
gf_list_rem(nextPass, 0);
gf_list_add(codec->command_buffers, cbi);
}
NbPass --;
if (NbPass > gf_list_count(codec->command_buffers)) NbPass = gf_list_count(codec->command_buffers);
codec->LastError = GF_OK;
}
gf_list_del(nextPass);
return GF_OK;
}
static GF_Err CTXLoad_AttachStream(GF_BaseDecoder *plug, GF_ESD *esd)
{
const char *ext;
GF_BitStream *bs;
u32 size;
CTXLoadPriv *priv = (CTXLoadPriv *)plug->privateStack;
if (esd->decoderConfig->upstream) return GF_NOT_SUPPORTED;
/*animation stream like*/
if (priv->ctx) {
GF_StreamContext *sc;
u32 i = 0;
while ((sc = (GF_StreamContext *)gf_list_enum(priv->ctx->streams, &i))) {
if (esd->ESID == sc->ESID) {
priv->nb_streams++;
return GF_OK;
}
}
return GF_NON_COMPLIANT_BITSTREAM;
}
/*main dummy stream we need a dsi*/
if (!esd->decoderConfig->decoderSpecificInfo)
return GF_NON_COMPLIANT_BITSTREAM;
bs = gf_bs_new(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, GF_BITSTREAM_READ);
priv->file_size = gf_bs_read_u32(bs);
gf_bs_del(bs);
size = esd->decoderConfig->decoderSpecificInfo->dataLength - sizeof(u32);
priv->file_name = (char *) gf_malloc(sizeof(char)*(1 + size) );
memcpy(priv->file_name, esd->decoderConfig->decoderSpecificInfo->data + sizeof(u32), sizeof(char)*(esd->decoderConfig->decoderSpecificInfo->dataLength - sizeof(u32)) );
priv->file_name[size] = 0;
priv->nb_streams = 1;
priv->load_flags = 0;
priv->base_stream_id = esd->ESID;
priv->service_url = esd->service_url;
CTXLoad_Setup(plug);
priv->progressive_support = GF_FALSE;
priv->sax_max_duration = 0;
ext = strrchr(priv->file_name, '.');
if (!ext) return GF_OK;
ext++;
if (!stricmp(ext, "xmt") || !stricmp(ext, "xmtz") || !stricmp(ext, "xmta")
|| !stricmp(ext, "x3d") || !stricmp(ext, "x3dz")
) {
ext = gf_modules_get_option((GF_BaseInterface *)plug, "SAXLoader", "Progressive");
priv->progressive_support = (ext && !stricmp(ext, "yes")) ? GF_TRUE : GF_FALSE;
}
if (priv->progressive_support) {
ext = gf_modules_get_option((GF_BaseInterface *)plug, "SAXLoader", "MaxDuration");
if (ext) priv->sax_max_duration = atoi(ext);
}
return GF_OK;
}
/*special authoring functions*/
GF_EXPORT
GF_BIFSConfig *gf_odf_get_bifs_config(GF_DefaultDescriptor *dsi, u8 oti)
{
Bool hasSize, cmd_stream;
GF_BitStream *bs;
GF_BIFSConfig *cfg;
if (oti>=GPAC_OTI_SCENE_BIFS_EXTENDED) return NULL;
if (!dsi || !dsi->data || !dsi->dataLength ) {
/* Hack for T-DMB non compliant streams (OnTimeTek ?) */
cfg = (GF_BIFSConfig *) gf_odf_desc_new(GF_ODF_BIFS_CFG_TAG);
cfg->pixelMetrics = 1;
cfg->version = 1;
return cfg;
}
bs = gf_bs_new(dsi->data, dsi->dataLength, GF_BITSTREAM_READ);
cfg = (GF_BIFSConfig *) gf_odf_desc_new(GF_ODF_BIFS_CFG_TAG);
if (oti==2) {
/*3D Mesh Coding*/
gf_bs_read_int(bs, 1);
/*PMF*/
gf_bs_read_int(bs, 1);
}
cfg->nodeIDbits = gf_bs_read_int(bs, 5);
cfg->routeIDbits = gf_bs_read_int(bs, 5);
if (oti==2) cfg->protoIDbits = gf_bs_read_int(bs, 5);
cmd_stream = gf_bs_read_int(bs, 1);
if (!cmd_stream) {
cfg->elementaryMasks = gf_list_new();
while (1) {
GF_ElementaryMask* em = (GF_ElementaryMask* ) gf_odf_New_ElemMask();
em->node_id = gf_bs_read_int(bs, cfg->nodeIDbits);
gf_list_add(cfg->elementaryMasks, em);
/*this assumes only FDP, BDP and IFS2D (no elem mask)*/
if (gf_bs_read_int(bs, 1) == 0) break;
}
gf_bs_align(bs);
if (gf_bs_get_size(bs) != gf_bs_get_position(bs)) {
GF_LOG(GF_LOG_WARNING, GF_LOG_CODEC, ("[ODF] Reading bifs config: shift in sizes (not supported)\n"));
}
} else {
cfg->pixelMetrics = gf_bs_read_int(bs, 1);
hasSize = gf_bs_read_int(bs, 1);
if (hasSize) {
cfg->pixelWidth = gf_bs_read_int(bs, 16);
cfg->pixelHeight = gf_bs_read_int(bs, 16);
}
gf_bs_align(bs);
if (gf_bs_get_size(bs) != gf_bs_get_position(bs))
GF_LOG(GF_LOG_WARNING, GF_LOG_CODEC, ("[ODF] Reading bifs config: shift in sizes (invalid descriptor)\n"));
}
gf_bs_del(bs);
return cfg;
}
GF_EXPORT
GF_Err gf_bifs_decoder_configure_stream(GF_BifsDecoder * codec, u16 ESID, char *DecoderSpecificInfo, u32 DecoderSpecificInfoLength, u32 objectTypeIndication)
{
GF_BitStream *bs;
BIFSStreamInfo *pInfo;
GF_Err e;
if (!DecoderSpecificInfo) {
/* Hack for T-DMB non compliant streams */
GF_SAFEALLOC(pInfo, BIFSStreamInfo);
pInfo->ESID = ESID;
pInfo->config.PixelMetrics = 1;
pInfo->config.version = (objectTypeIndication==2) ? 1 : 2;
assert( codec );
assert( codec->streamInfo );
return gf_list_add(codec->streamInfo, pInfo);
}
// gf_mx_p(codec->mx);
assert( codec );
if (gf_bifs_dec_get_stream(codec, ESID) != NULL) {
// gf_mx_v(codec->mx);
return GF_BAD_PARAM;
}
bs = gf_bs_new(DecoderSpecificInfo, DecoderSpecificInfoLength, GF_BITSTREAM_READ);
GF_SAFEALLOC(pInfo, BIFSStreamInfo);
pInfo->ESID = ESID;
pInfo->config.version = objectTypeIndication;
/*parse config with indicated oti*/
e = ParseConfig(bs, pInfo, (u32) objectTypeIndication);
if (e) {
pInfo->ESID = ESID;
/*some content indicates a wrong OTI, so try to parse with v1 or v2*/
gf_bs_seek(bs, 0);
/*try with reverse config*/
e = ParseConfig(bs, pInfo, (objectTypeIndication==2) ? 1 : 2);
pInfo->config.version = (objectTypeIndication==2) ? 1 : 2;
}
if (e && (e != GF_ODF_INVALID_DESCRIPTOR)) {
gf_free(pInfo);
gf_bs_del(bs);
return GF_BIFS_UNKNOWN_VERSION;
}
gf_bs_del(bs);
assert( codec->streamInfo );
//first stream, configure size
if (!codec->ignore_size && !gf_list_count(codec->streamInfo)) {
gf_sg_set_scene_size_info(codec->scenegraph, pInfo->config.Width, pInfo->config.Height, pInfo->config.PixelMetrics);
}
gf_list_add(codec->streamInfo, pInfo);
// gf_mx_v(codec->mx);
return GF_OK;
}
static GF_Err gf_isom_cenc_get_sai_by_saiz_saio(GF_MediaBox *mdia, u32 sampleNumber, u8 IV_size, GF_CENCSampleAuxInfo **sai)
{
GF_BitStream *bs;
u32 prev_sai_size, size, i, j, nb_saio;
u64 cur_position, offset;
GF_Err e = GF_OK;
char *buffer;
nb_saio = size = prev_sai_size = 0;
offset = 0;
for (i = 0; i < gf_list_count(mdia->information->sampleTable->sai_offsets); i++) {
GF_SampleAuxiliaryInfoOffsetBox *saio = (GF_SampleAuxiliaryInfoOffsetBox *)gf_list_get(mdia->information->sampleTable->sai_offsets, i);
if (saio->aux_info_type == GF_4CC('c', 'e', 'n', 'c')) {
if (saio->entry_count == 1)
offset = saio->version ? saio->offsets_large[0] : saio->offsets[0];
else
offset = saio->version ? saio->offsets_large[sampleNumber-1]: saio->offsets[sampleNumber-1];
nb_saio = saio->entry_count;
break;
}
}
for (i = 0; i < gf_list_count(mdia->information->sampleTable->sai_sizes); i++) {
GF_SampleAuxiliaryInfoSizeBox *saiz = (GF_SampleAuxiliaryInfoSizeBox *)gf_list_get(mdia->information->sampleTable->sai_sizes, i);
if (saiz->aux_info_type == GF_4CC('c', 'e', 'n', 'c')) {
for (j = 0; j < sampleNumber-1; j++)
prev_sai_size += saiz->default_sample_info_size ? saiz->default_sample_info_size : saiz->sample_info_size[j];
size = saiz->default_sample_info_size ? saiz->default_sample_info_size : saiz->sample_info_size[sampleNumber-1];
break;
}
}
offset += (nb_saio == 1) ? prev_sai_size : 0;
cur_position = gf_bs_get_position(mdia->information->dataHandler->bs);
gf_bs_seek(mdia->information->dataHandler->bs, offset);
buffer = (char *)gf_malloc(size);
gf_bs_read_data(mdia->information->dataHandler->bs, buffer, size);
gf_bs_seek(mdia->information->dataHandler->bs, cur_position);
*sai = (GF_CENCSampleAuxInfo *)gf_malloc(sizeof(GF_CENCSampleAuxInfo));
memset(*sai, 0, sizeof(GF_CENCSampleAuxInfo));
bs = gf_bs_new(buffer, size, GF_BITSTREAM_READ);
gf_bs_read_data(bs, (char *)(*sai)->IV, IV_size);
if (size > IV_size) {
(*sai)->subsample_count = gf_bs_read_u16(bs);
(*sai)->subsamples = (GF_CENCSubSampleEntry *)gf_malloc(sizeof(GF_CENCSubSampleEntry)*(*sai)->subsample_count);
for (i = 0; i < (*sai)->subsample_count; i++) {
(*sai)->subsamples[i].bytes_clear_data = gf_bs_read_u16(bs);
(*sai)->subsamples[i].bytes_encrypted_data = gf_bs_read_u32(bs);
}
}
gf_bs_del(bs);
return e;
}
GF_Err gp_rtp_builder_do_h263(GP_RTPPacketizer *builder, char *data, u32 data_size, u8 IsAUEnd, u32 FullAUSize)
{
GF_BitStream *bs;
char hdr[2];
Bool Pbit;
u32 offset, size, max_size;
builder->rtp_header.TimeStamp = (u32) builder->sl_header.compositionTimeStamp;
/*the H263 hinter doesn't perform inter-sample concatenation*/
if (!data) return GF_OK;
Pbit = 1;
/*skip 16 0'ed bits of start code*/
offset = 2;
data_size -= 2;
max_size = builder->Path_MTU - 2;
while(data_size > 0) {
if(data_size > max_size){
size = max_size;
builder->rtp_header.Marker = 0;
}else{
size = data_size;
builder->rtp_header.Marker = 1;
}
data_size -= size;
/*create new RTP Packet */
builder->rtp_header.SequenceNumber += 1;
builder->OnNewPacket(builder->cbk_obj, &builder->rtp_header);
bs = gf_bs_new(hdr, 2, GF_BITSTREAM_WRITE);
gf_bs_write_int(bs, 0, 5);
gf_bs_write_int(bs, Pbit, 1);
gf_bs_write_int(bs, 0, 10);
gf_bs_del(bs);
/*add header*/
builder->OnData(builder->cbk_obj, (char*) hdr, 2, 1);
/*add payload*/
if (builder->OnDataReference)
builder->OnDataReference(builder->cbk_obj, size, offset);
else
builder->OnData(builder->cbk_obj, data + offset, size, 0);
builder->OnPacketDone(builder->cbk_obj, &builder->rtp_header);
offset += size;
Pbit = 0;
}
return GF_OK;
}
GF_HEVCConfig *HEVC_DuplicateConfig(GF_HEVCConfig *cfg)
{
char *data;
u32 data_size;
GF_HEVCConfig *new_cfg;
GF_BitStream *bs;
if (!cfg) return NULL;
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
gf_odf_hevc_cfg_write_bs(cfg, bs);
gf_bs_get_content(bs, &data, &data_size);
gf_bs_del(bs);
bs = gf_bs_new(data, data_size, GF_BITSTREAM_READ);
new_cfg = gf_odf_hevc_cfg_read_bs(bs);
gf_bs_del(bs);
gf_free(data);
return new_cfg;
}
static void VTT_ReadFileNameFromDSI(VTTDec *vttdec, GF_DefaultDescriptor *dsi)
{
GF_BitStream *bs;
bs = gf_bs_new(dsi->data, dsi->dataLength, GF_BITSTREAM_READ);
vttdec->file_size = gf_bs_read_u32(bs);
vttdec->file_pos = 0;
gf_bs_del(bs);
vttdec->file_name = (char *) gf_malloc(sizeof(char)*(1 + dsi->dataLength - sizeof(u32)) );
memcpy(vttdec->file_name, dsi->data + sizeof(u32), dsi->dataLength - sizeof(u32) );
vttdec->file_name[dsi->dataLength - sizeof(u32) ] = 0;
}
GF_EXPORT
GF_Err gf_bifs_encoder_get_config(GF_BifsEncoder *codec, u16 ESID, char **out_data, u32 *out_data_length)
{
GF_BitStream *bs;
if (!codec || !out_data || !out_data_length) return GF_BAD_PARAM;
// gf_mx_p(codec->mx);
codec->info = BE_GetStream(codec, ESID);
if (!codec->info) {
// gf_mx_v(codec->mx);
return GF_BAD_PARAM;
}
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
if (codec->info->config.version==2) {
gf_bs_write_int(bs, codec->info->config.Use3DMeshCoding ? 1 : 0, 1);
gf_bs_write_int(bs, codec->info->config.UsePredictiveMFField ? 1 : 0, 1);
}
gf_bs_write_int(bs, codec->info->config.NodeIDBits, 5);
gf_bs_write_int(bs, codec->info->config.RouteIDBits, 5);
if (codec->info->config.version==2) {
gf_bs_write_int(bs, codec->info->config.ProtoIDBits, 5);
}
if (codec->info->config.elementaryMasks) {
u32 i, count;
gf_bs_write_int(bs, 0, 1);
gf_bs_write_int(bs, codec->info->config.BAnimRAP, 1);
count = gf_list_count(codec->info->config.elementaryMasks);
for (i=0; i<count; i++) {
BIFSElementaryMask *em = (BIFSElementaryMask *)gf_list_get(codec->info->config.elementaryMasks, i);
if (em->node) gf_bs_write_int(bs, gf_node_get_id((GF_Node*)em->node), codec->info->config.NodeIDBits);
else gf_bs_write_int(bs, em->node_id, codec->info->config.NodeIDBits);
gf_bs_write_int(bs, (i+1==count) ? 0 : 1, 1);
}
} else {
gf_bs_write_int(bs, 1, 1);
gf_bs_write_int(bs, codec->info->config.PixelMetrics ? 1 : 0, 1);
if (codec->info->config.Width || codec->info->config.Height) {
gf_bs_write_int(bs, 1, 1);
gf_bs_write_int(bs, codec->info->config.Width, 16);
gf_bs_write_int(bs, codec->info->config.Height, 16);
} else {
gf_bs_write_int(bs, 0, 1);
}
}
gf_bs_align(bs);
gf_bs_get_content(bs, out_data, out_data_length);
gf_bs_del(bs);
// gf_mx_v(codec->mx);
return GF_OK;
}
GF_EXPORT
GF_Err gf_odf_avc_cfg_write(GF_AVCConfig *cfg, char **outData, u32 *outSize)
{
u32 i, count;
GF_BitStream *bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
gf_bs_write_int(bs, cfg->configurationVersion, 8);
gf_bs_write_int(bs, cfg->AVCProfileIndication , 8);
gf_bs_write_int(bs, cfg->profile_compatibility, 8);
gf_bs_write_int(bs, cfg->AVCLevelIndication, 8);
gf_bs_write_int(bs, 0x3F, 6);
gf_bs_write_int(bs, cfg->nal_unit_size - 1, 2);
gf_bs_write_int(bs, 0x7, 3);
count = gf_list_count(cfg->sequenceParameterSets);
gf_bs_write_int(bs, count, 5);
for (i=0; i<count; i++) {
GF_AVCConfigSlot *sl = (GF_AVCConfigSlot *)gf_list_get(cfg->sequenceParameterSets, i);
gf_bs_write_int(bs, sl->size, 16);
gf_bs_write_data(bs, sl->data, sl->size);
}
count = gf_list_count(cfg->pictureParameterSets);
gf_bs_write_int(bs, count, 8);
for (i=0; i<count; i++) {
GF_AVCConfigSlot *sl = (GF_AVCConfigSlot *)gf_list_get(cfg->pictureParameterSets, i);
gf_bs_write_int(bs, sl->size, 16);
gf_bs_write_data(bs, sl->data, sl->size);
}
switch (cfg->AVCProfileIndication) {
case 100:
case 110:
case 122:
case 144:
gf_bs_write_int(bs, 0xFF, 6);
gf_bs_write_int(bs, cfg->chroma_format, 2);
gf_bs_write_int(bs, 0xFF, 5);
gf_bs_write_int(bs, cfg->luma_bit_depth - 8, 3);
gf_bs_write_int(bs, 0xFF, 5);
gf_bs_write_int(bs, cfg->chroma_bit_depth - 8, 3);
count = cfg->sequenceParameterSetExtensions ? gf_list_count(cfg->sequenceParameterSetExtensions) : 0;
gf_bs_write_u8(bs, count);
for (i=0; i<count; i++) {
GF_AVCConfigSlot *sl = (GF_AVCConfigSlot *) gf_list_get(cfg->sequenceParameterSetExtensions, i);
gf_bs_write_u16(bs, sl->size);
gf_bs_write_data(bs, sl->data, sl->size);
}
break;
}
*outSize = 0;
*outData = NULL;
gf_bs_get_content(bs, outData, outSize);
gf_bs_del(bs);
return GF_OK;
}
GF_Err gf_isom_rewrite_text_sample(GF_ISOSample *samp, u32 sampleDescriptionIndex, u32 sample_dur)
{
GF_BitStream *bs;
u32 pay_start, txt_size;
Bool is_utf_16 = 0;
if (!samp || !samp->data || !samp->dataLength) return GF_OK;
bs = gf_bs_new(samp->data, samp->dataLength, GF_BITSTREAM_READ);
txt_size = gf_bs_read_u16(bs);
gf_bs_del(bs);
/*remove BOM*/
pay_start = 2;
if (txt_size>2) {
/*seems 3GP only accepts BE UTF-16 (no LE, no UTF32)*/
if (((u8) samp->data[2]==(u8) 0xFE) && ((u8)samp->data[3]==(u8) 0xFF)) {
is_utf_16 = 1;
pay_start = 4;
txt_size -= 2;
}
}
/*rewrite as TTU(1)*/
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
gf_bs_write_int(bs, is_utf_16, 1);
gf_bs_write_int(bs, 0, 4);
gf_bs_write_int(bs, 1, 3);
gf_bs_write_u16(bs, 8 + samp->dataLength - pay_start);
gf_bs_write_u8(bs, sampleDescriptionIndex + SAMPLE_INDEX_OFFSET);
gf_bs_write_u24(bs, sample_dur);
/*write text size*/
gf_bs_write_u16(bs, txt_size);
if (txt_size) gf_bs_write_data(bs, samp->data + pay_start, samp->dataLength - pay_start);
gf_free(samp->data);
samp->data = NULL;
gf_bs_get_content(bs, &samp->data, &samp->dataLength);
gf_bs_del(bs);
return GF_OK;
}
static GF_Err SVG_AttachStream(GF_BaseDecoder *plug, GF_ESD *esd)
{
const char *sOpt;
GF_BitStream *bs;
SVGIn *svgin = (SVGIn *)plug->privateStack;
if (esd->decoderConfig->upstream) return GF_NOT_SUPPORTED;
svgin->loader.type = GF_SM_LOAD_SVG;
/* decSpecInfo is not null only when reading from an SVG file (local or distant, cached or not) */
switch (esd->decoderConfig->objectTypeIndication) {
case GPAC_OTI_SCENE_SVG:
case GPAC_OTI_SCENE_SVG_GZ:
svgin->loader.flags |= GF_SM_LOAD_CONTEXT_STREAMING;
/*no decSpecInfo defined for streaming svg yet*/
break;
case GPAC_OTI_SCENE_DIMS:
svgin->loader.type = GF_SM_LOAD_DIMS;
svgin->loader.flags |= GF_SM_LOAD_CONTEXT_STREAMING;
/*decSpecInfo not yet supported for DIMS svg - we need properties at the scene level to store the
various indications*/
break;
case GPAC_OTI_PRIVATE_SCENE_SVG:
default:
if (!esd->decoderConfig->decoderSpecificInfo) return GF_NON_COMPLIANT_BITSTREAM;
bs = gf_bs_new(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, GF_BITSTREAM_READ);
svgin->file_size = gf_bs_read_u32(bs);
svgin->file_pos = 0;
gf_bs_del(bs);
svgin->file_name = (char *) gf_malloc(sizeof(char)*(1 + esd->decoderConfig->decoderSpecificInfo->dataLength - sizeof(u32)) );
memcpy(svgin->file_name, esd->decoderConfig->decoderSpecificInfo->data + sizeof(u32), esd->decoderConfig->decoderSpecificInfo->dataLength - sizeof(u32) );
svgin->file_name[esd->decoderConfig->decoderSpecificInfo->dataLength - sizeof(u32) ] = 0;
break;
}
svgin->oti = esd->decoderConfig->objectTypeIndication;
if (!esd->dependsOnESID) svgin->base_es_id = esd->ESID;
sOpt = gf_modules_get_option((GF_BaseInterface *)plug, "SAXLoader", "Progressive");
if (sOpt && !strcmp(sOpt, "yes")) {
svgin->sax_max_duration = 30;
sOpt = gf_modules_get_option((GF_BaseInterface *)plug, "SAXLoader", "MaxDuration");
if (sOpt) {
svgin->sax_max_duration = atoi(sOpt);
} else {
svgin->sax_max_duration = 30;
gf_modules_set_option((GF_BaseInterface *)plug, "SAXLoader", "MaxDuration", "30");
}
} else {
svgin->sax_max_duration = (u32) -1;
}
return GF_OK;
}
GF_ISMASample *gf_isom_ismacryp_sample_from_data(char *data, u32 dataLength, Bool use_selective_encryption, u8 KI_length, u8 IV_length)
{
GF_ISMASample *s;
GF_BitStream *bs;
/*empty text sample*/
if (!data || !dataLength) {
return gf_isom_ismacryp_new_sample();
}
s = gf_isom_ismacryp_new_sample();
/*empty sample*/
if (!data || !dataLength) return s;
bs = gf_bs_new(data, dataLength, GF_BITSTREAM_READ);
s->dataLength = dataLength;
s->IV_length = IV_length;
s->KI_length = KI_length;
if (use_selective_encryption) {
s->flags = GF_ISOM_ISMA_USE_SEL_ENC;
if (s->dataLength < 1) goto exit;
if (gf_bs_read_int(bs, 1)) s->flags |= GF_ISOM_ISMA_IS_ENCRYPTED;
gf_bs_read_int(bs, 7);
s->dataLength -= 1;
} else {
s->flags = GF_ISOM_ISMA_IS_ENCRYPTED;
}
if (s->flags & GF_ISOM_ISMA_IS_ENCRYPTED) {
if (IV_length != 0) {
if (s->dataLength < IV_length) goto exit;
s->IV = gf_bs_read_long_int(bs, 8*IV_length);
s->dataLength -= IV_length;
}
if (KI_length) {
if (s->dataLength < KI_length) goto exit;
s->key_indicator = (u8 *)malloc(KI_length);
gf_bs_read_data(bs, (char*)s->key_indicator, KI_length);
s->dataLength -= KI_length;
}
}
s->data = (char*)malloc(sizeof(char)*s->dataLength);
gf_bs_read_data(bs, s->data, s->dataLength);
gf_bs_del(bs);
return s;
exit:
gf_isom_ismacryp_delete_sample(s);
return NULL;
}
GF_EXPORT
void gf_sl_depacketize (GF_SLConfig *slConfig, GF_SLHeader *Header, char *PDU, u32 PDULength, u32 *HeaderLen)
{
GF_BitStream *bs;
*HeaderLen = 0;
if (!Header) return;
//reset the input header
memset(Header, 0, sizeof(GF_SLHeader));
bs = gf_bs_new(PDU, PDULength, GF_BITSTREAM_READ);
if (!bs) return;
if (slConfig->useAccessUnitStartFlag) Header->accessUnitStartFlag = gf_bs_read_int(bs, 1);
if (slConfig->useAccessUnitEndFlag) Header->accessUnitEndFlag = gf_bs_read_int(bs, 1);
if ( !slConfig->useAccessUnitStartFlag && !slConfig->useAccessUnitEndFlag) {
Header->accessUnitStartFlag = 1;
Header->accessUnitEndFlag = 1;
}
if (slConfig->OCRLength > 0) Header->OCRflag = gf_bs_read_int(bs, 1);
if (slConfig->useIdleFlag) Header->idleFlag = gf_bs_read_int(bs, 1);
if (slConfig->usePaddingFlag) {
Header->paddingFlag = gf_bs_read_int(bs, 1);
if (Header->paddingFlag) Header->paddingBits = gf_bs_read_int(bs, 3);
}
if (!Header->idleFlag && (!Header->paddingFlag || Header->paddingBits != 0)) {
if (slConfig->packetSeqNumLength > 0) Header->packetSequenceNumber = gf_bs_read_int(bs, slConfig->packetSeqNumLength);
if (slConfig->degradationPriorityLength > 0) {
Header->degradationPriorityFlag = gf_bs_read_int(bs, 1);
if (Header->degradationPriorityFlag) Header->degradationPriority = gf_bs_read_int(bs, slConfig->degradationPriorityLength);
}
if (Header->OCRflag) Header->objectClockReference = gf_bs_read_int(bs, slConfig->OCRLength);
if (Header->accessUnitStartFlag) {
if (slConfig->useRandomAccessPointFlag) Header->randomAccessPointFlag = gf_bs_read_int(bs, 1);
if (slConfig->AUSeqNumLength > 0) Header->AU_sequenceNumber = gf_bs_read_int(bs, slConfig->AUSeqNumLength);
if (slConfig->useTimestampsFlag) {
Header->decodingTimeStampFlag = gf_bs_read_int(bs, 1);
Header->compositionTimeStampFlag = gf_bs_read_int(bs, 1);
}
if (slConfig->instantBitrateLength > 0) Header->instantBitrateFlag = gf_bs_read_int(bs, 1);
if (Header->decodingTimeStampFlag) Header->decodingTimeStamp = gf_bs_read_long_int(bs, slConfig->timestampLength);
if (Header->compositionTimeStampFlag) Header->compositionTimeStamp = gf_bs_read_long_int(bs, slConfig->timestampLength);
if (slConfig->AULength > 0) Header->accessUnitLength = gf_bs_read_int(bs, slConfig->AULength);
if (Header->instantBitrateFlag) Header->instantBitrate = gf_bs_read_int(bs, slConfig->instantBitrateLength);
}
}
gf_bs_align(bs);
*HeaderLen = (u32) gf_bs_get_position(bs);
gf_bs_del(bs);
}
/*allocates and writes the SL-PDU (Header + PDU) given the SLConfig and the GF_SLHeader
for this PDU. AUs must be split in PDUs by another process if needed (packetizer).*/
GF_EXPORT
void gf_sl_packetize(GF_SLConfig* slConfig,
GF_SLHeader *Header,
char *PDU,
u32 size,
char **outPacket,
u32 *OutSize)
{
GF_BitStream *bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
*OutSize = 0;
if (!bs) return;
if (slConfig->useAccessUnitStartFlag) gf_bs_write_int(bs, Header->accessUnitStartFlag, 1);
if (slConfig->useAccessUnitEndFlag) gf_bs_write_int(bs, Header->accessUnitEndFlag, 1);
if (slConfig->OCRLength > 0) gf_bs_write_int(bs, Header->OCRflag, 1);
if (slConfig->useIdleFlag) gf_bs_write_int(bs, Header->idleFlag, 1);
if (slConfig->usePaddingFlag) {
gf_bs_write_int(bs, Header->paddingFlag, 1);
if (Header->paddingFlag) gf_bs_write_int(bs, Header->paddingBits, 3);
}
if (! Header->idleFlag && (! Header->paddingFlag || Header->paddingBits != 0)) {
if (slConfig->packetSeqNumLength > 0) gf_bs_write_int(bs, Header->packetSequenceNumber, slConfig->packetSeqNumLength);
if (slConfig->degradationPriorityLength > 0) {
gf_bs_write_int(bs, Header->degradationPriorityFlag, 1);
if (Header->degradationPriorityFlag) gf_bs_write_int(bs, Header->degradationPriority, slConfig->degradationPriorityLength);
}
if (Header->OCRflag) gf_bs_write_long_int(bs, Header->objectClockReference, slConfig->OCRLength);
if (Header->accessUnitStartFlag) {
if (slConfig->useRandomAccessPointFlag) gf_bs_write_int(bs, Header->randomAccessPointFlag, 1);
if (slConfig->AUSeqNumLength > 0) gf_bs_write_int(bs, Header->AU_sequenceNumber, slConfig->AUSeqNumLength);
if (slConfig->useTimestampsFlag) {
gf_bs_write_int(bs, Header->decodingTimeStampFlag, 1);
gf_bs_write_int(bs, Header->compositionTimeStampFlag, 1);
}
if (slConfig->instantBitrateLength > 0) gf_bs_write_int(bs, Header->instantBitrateFlag, 1);
if (Header->decodingTimeStampFlag) gf_bs_write_long_int(bs, Header->decodingTimeStamp, slConfig->timestampLength);
if (Header->compositionTimeStampFlag) gf_bs_write_long_int(bs, Header->compositionTimeStamp, slConfig->timestampLength);
if (slConfig->AULength > 0) gf_bs_write_int(bs, Header->accessUnitLength, slConfig->AULength);
if (Header->instantBitrateFlag) gf_bs_write_int(bs, Header->instantBitrate, slConfig->instantBitrateLength);
}
}
//done with the Header, Alin
gf_bs_align(bs);
//write the PDU - already byte aligned with stuffing (paddingBits in SL Header)
gf_bs_write_data(bs, PDU, size);
gf_bs_align(bs);
gf_bs_get_content(bs, outPacket, OutSize);
gf_bs_del(bs);
}
GF_EXPORT
GF_Err gf_odf_hevc_cfg_write(GF_HEVCConfig *cfg, char **outData, u32 *outSize)
{
GF_Err e;
GF_BitStream *bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
*outSize = 0;
*outData = NULL;
e = gf_odf_hevc_cfg_write_bs(cfg, bs);
if (e==GF_OK)
gf_bs_get_content(bs, outData, outSize);
gf_bs_del(bs);
return e;
}
GF_EXPORT
GF_List *gf_webvtt_parse_cues_from_data(const char *data, u32 dataLength, u64 start)
{
GF_List *cues;
GF_WebVTTCue *cue;
GF_VTTCueBox *cuebox;
GF_BitStream *bs;
char *pre_text;
cue = NULL;
pre_text = NULL;
cues = gf_list_new();
bs = gf_bs_new(data, dataLength, GF_BITSTREAM_READ);
while(gf_bs_available(bs))
{
GF_Err e;
GF_Box *box;
e = gf_isom_parse_box(&box, bs);
if (e) return NULL;
if (box->type == GF_ISOM_BOX_TYPE_VTCU) {
cuebox = (GF_VTTCueBox *)box;
cue = gf_webvtt_cue_new();
if (pre_text) {
gf_webvtt_cue_add_property(cue, WEBVTT_PRECUE_TEXT, pre_text, (u32) strlen(pre_text));
gf_free(pre_text);
pre_text = NULL;
}
gf_list_add(cues, cue);
gf_webvtt_timestamp_set(&cue->start, start);
if (cuebox->id) {
gf_webvtt_cue_add_property(cue, WEBVTT_ID, cuebox->id->string, (u32) strlen(cuebox->id->string));
}
if (cuebox->settings) {
gf_webvtt_cue_add_property(cue, WEBVTT_SETTINGS, cuebox->settings->string, (u32) strlen(cuebox->settings->string));
}
if (cuebox->payload) {
gf_webvtt_cue_add_property(cue, WEBVTT_PAYLOAD, cuebox->payload->string, (u32) strlen(cuebox->payload->string));
}
} else if (box->type == GF_ISOM_BOX_TYPE_VTTA) {
GF_StringBox *sbox = (GF_StringBox *)box;
if (cue) {
gf_webvtt_cue_add_property(cue, WEBVTT_POSTCUE_TEXT, sbox->string, (u32) strlen(sbox->string));
} else {
pre_text = gf_strdup(sbox->string);
}
}
gf_isom_box_del(box);
}
gf_bs_del(bs);
return cues;
}
GF_TextSample *gf_isom_parse_texte_sample_from_data(char *data, u32 dataLength)
{
GF_TextSample *s;
GF_BitStream *bs;
/*empty text sample*/
if (!data || !dataLength) {
return gf_isom_new_text_sample();
}
bs = gf_bs_new(data, dataLength, GF_BITSTREAM_READ);
s = gf_isom_parse_texte_sample(bs);
gf_bs_del(bs);
return s;
}
/*special function for authoring - convert DSI to LASERConfig*/
GF_EXPORT
GF_Err gf_odf_get_laser_config(GF_DefaultDescriptor *dsi, GF_LASERConfig *cfg)
{
u32 to_skip;
GF_BitStream *bs;
if (!cfg) return GF_BAD_PARAM;
memset(cfg, 0, sizeof(GF_LASERConfig));
if (!dsi || !dsi->data || !dsi->dataLength || !cfg) return GF_BAD_PARAM;
bs = gf_bs_new(dsi->data, dsi->dataLength, GF_BITSTREAM_READ);
memset(cfg, 0, sizeof(GF_LASERConfig));
cfg->tag = GF_ODF_LASER_CFG_TAG;
cfg->profile = gf_bs_read_int(bs, 8);
cfg->level = gf_bs_read_int(bs, 8);
/*cfg->reserved = */gf_bs_read_int(bs, 3);
cfg->pointsCodec = gf_bs_read_int(bs, 2);
cfg->pathComponents = gf_bs_read_int(bs, 4);
cfg->fullRequestHost = gf_bs_read_int(bs, 1);
if (gf_bs_read_int(bs, 1)) cfg->time_resolution = gf_bs_read_int(bs, 16);
else cfg->time_resolution = 1000;
cfg->colorComponentBits = 1 + gf_bs_read_int(bs, 4);
cfg->resolution = gf_bs_read_int(bs, 4);
if (cfg->resolution>7) cfg->resolution -= 16;
cfg->coord_bits = gf_bs_read_int(bs, 5);
cfg->scale_bits_minus_coord_bits = gf_bs_read_int(bs, 4);
cfg->newSceneIndicator = gf_bs_read_int(bs, 1);
/*reserved2*/ gf_bs_read_int(bs, 3);
cfg->extensionIDBits = gf_bs_read_int(bs, 4);
/*hasExtConfig - we just ignore it*/
if (gf_bs_read_int(bs, 1)) {
to_skip = gf_bs_read_vluimsbf5(bs);
while (to_skip) {
gf_bs_read_int(bs, 8);
to_skip--;
}
}
/*hasExtension - we just ignore it*/
if (gf_bs_read_int(bs, 1)) {
to_skip = gf_bs_read_vluimsbf5(bs);
while (to_skip) {
gf_bs_read_int(bs, 8);
to_skip--;
}
}
gf_bs_del(bs);
return GF_OK;
}
static void VTT_ReadConfigFromDSI(VTTDec *vttdec, GF_DefaultDescriptor *dsi)
{
GF_BitStream *bs;
u32 entry_type;
bs = gf_bs_new(dsi->data, dsi->dataLength, GF_BITSTREAM_READ);
entry_type = gf_bs_read_u32(bs);
if (entry_type == GF_ISOM_BOX_TYPE_WVTT) {
GF_Box *b;
gf_isom_parse_box(&b, bs);
vttdec->config = ((GF_StringBox *)b)->string;
((GF_StringBox *)b)->string = NULL;
gf_isom_box_del(b);
}
gf_bs_del(bs);
}
GF_EXPORT
GF_Err gf_odf_codec_set_au(GF_ODCodec *codec, const char *au, u32 au_length)
{
if (!codec) return GF_BAD_PARAM;
if (!au || !au_length) return GF_OK;
//if the command list is not empty, this is an error
if (gf_list_count(codec->CommandList)) return GF_BAD_PARAM;
//the bitStream should not be here
if (codec->bs) return GF_BAD_PARAM;
codec->bs = gf_bs_new(au, (u64)au_length, (unsigned char)GF_BITSTREAM_READ);
if (!codec->bs) return GF_OUT_OF_MEM;
return GF_OK;
}
GF_Err gf_isom_track_cenc_add_sample_info(GF_ISOFile *the_file, u32 trackNumber, u32 container_type, u8 IV_size, char *buf, u32 len)
{
u32 i;
GF_SampleEncryptionBox *senc;
GF_CENCSampleAuxInfo *sai;
GF_SampleTableBox *stbl;
GF_TrackBox *trak = gf_isom_get_track_from_file(the_file, trackNumber);
if (!trak) return GF_BAD_PARAM;
stbl = trak->Media->information->sampleTable;
if (!stbl) return GF_BAD_PARAM;
switch (container_type) {
case GF_ISOM_BOX_UUID_PSEC:
senc = (GF_SampleEncryptionBox *) stbl->piff_psec;
break;
case GF_ISOM_BOX_TYPE_SENC:
senc = (GF_SampleEncryptionBox *)stbl->senc;
break;
default:
return GF_NOT_SUPPORTED;
}
sai = (GF_CENCSampleAuxInfo *)gf_malloc(sizeof(GF_CENCSampleAuxInfo));
if (!sai) return GF_OUT_OF_MEM;
memset(sai, 0, sizeof(GF_CENCSampleAuxInfo));
if (len) {
GF_BitStream *bs = gf_bs_new(buf, len, GF_BITSTREAM_READ);
sai->IV_size = IV_size;
gf_bs_read_data(bs, (char *)sai->IV, IV_size);
sai->subsample_count = gf_bs_read_u16(bs);
if (sai->subsample_count) senc->flags = 0x00000002;
sai->subsamples = (GF_CENCSubSampleEntry *)gf_malloc(sai->subsample_count*sizeof(GF_CENCSubSampleEntry));
for (i = 0; i < sai->subsample_count; i++) {
sai->subsamples[i].bytes_clear_data = gf_bs_read_u16(bs);
sai->subsamples[i].bytes_encrypted_data = gf_bs_read_u32(bs);
}
gf_bs_del(bs);
}
gf_list_add(senc->samp_aux_info, sai);
#ifndef GPAC_DISABLE_ISOM_FRAGMENTS
gf_isom_cenc_set_saiz_saio(senc, stbl, NULL, len);
#endif
return GF_OK;
}
/*Dummy input just send a file name, no multitrack to handle so we don't need to check sub_url nor expected type*/
static GF_Descriptor *DC_GetServiceDesc(GF_InputService *plug, u32 expect_type, const char *sub_url)
{
u32 size = 0;
char *uri;
GF_ESD *esd;
GF_BitStream *bs;
DCReader *read = (DCReader *) plug->priv;
GF_InitialObjectDescriptor *iod = (GF_InitialObjectDescriptor *) gf_odf_desc_new(GF_ODF_IOD_TAG);
iod->scene_profileAndLevel = 1;
iod->graphics_profileAndLevel = 1;
iod->OD_profileAndLevel = 1;
iod->audio_profileAndLevel = 0xFE;
iod->visual_profileAndLevel = 0xFE;
iod->objectDescriptorID = 1;
if (read->is_views_url) {
iod->URLString = gf_strdup(read->url);
return (GF_Descriptor *)iod;
}
esd = gf_odf_desc_esd_new(0);
esd->slConfig->timestampResolution = 1000;
esd->slConfig->useTimestampsFlag = 1;
esd->ESID = 0xFFFE;
esd->decoderConfig->streamType = GF_STREAM_PRIVATE_SCENE;
esd->decoderConfig->objectTypeIndication = read->oti;
if (read->dnload) {
uri = (char *) gf_dm_sess_get_cache_name(read->dnload);
gf_dm_sess_get_stats(read->dnload, NULL, NULL, &size, NULL, NULL, NULL);
} else {
FILE *f = gf_fopen(read->url, "rt");
gf_fseek(f, 0, SEEK_END);
size = (u32) gf_ftell(f);
gf_fclose(f);
uri = read->url;
}
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
gf_bs_write_u32(bs, size);
gf_bs_write_data(bs, uri, (u32) strlen(uri));
gf_bs_get_content(bs, &esd->decoderConfig->decoderSpecificInfo->data, &esd->decoderConfig->decoderSpecificInfo->dataLength);
gf_bs_del(bs);
gf_list_add(iod->ESDescriptors, esd);
return (GF_Descriptor *)iod;
}
//stores the hint sample in the file
//set IsRandomAccessPoint if you want to indicate that this is a random access point
//in the stream
GF_Err gf_isom_end_hint_sample(GF_ISOFile *the_file, u32 trackNumber, u8 IsRandomAccessPoint)
{
GF_TrackBox *trak;
GF_HintSampleEntryBox *entry;
u32 dataRefIndex;
GF_Err e;
GF_BitStream *bs;
GF_ISOSample *samp;
trak = gf_isom_get_track_from_file(the_file, trackNumber);
if (!trak || !IsHintTrack(trak)) return GF_BAD_PARAM;
e = Media_GetSampleDesc(trak->Media, trak->Media->information->sampleTable->currentEntryIndex, (GF_SampleEntryBox **) &entry, &dataRefIndex);
if (e) return e;
if (!entry->hint_sample) return GF_BAD_PARAM;
//first of all, we need to adjust the offset for data referenced IN THIS hint sample
//and get some PckSize
e = AdjustHintInfo(entry, trak->Media->information->sampleTable->SampleSize->sampleCount + 1);
if (e) return e;
//ok, let's write the sample
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
e = gf_isom_hint_sample_write(entry->hint_sample, bs);
if (e) {
gf_bs_del(bs);
return e;
}
samp = gf_isom_sample_new();
samp->CTS_Offset = 0;
samp->IsRAP = IsRandomAccessPoint;
samp->DTS = entry->hint_sample->TransmissionTime;
//get the sample
gf_bs_get_content(bs, &samp->data, &samp->dataLength);
gf_bs_del(bs);
//finally add the sample
e = gf_isom_add_sample(the_file, trackNumber, trak->Media->information->sampleTable->currentEntryIndex, samp);
gf_isom_sample_del(&samp);
//and delete the sample in our entry ...
gf_isom_hint_sample_del(entry->hint_sample);
entry->hint_sample = NULL;
return e;
}
GF_EXPORT
GF_Err gf_bifs_decode_command_list(GF_BifsDecoder *codec, u16 ESID, char *data, u32 data_length, GF_List *com_list)
{
GF_BitStream *bs;
GF_Err e;
if (!codec || !data || !codec->dec_memory_mode || !com_list) return GF_BAD_PARAM;
codec->info = gf_bifs_dec_get_stream(codec, ESID);
if (!codec->info) return GF_BAD_PARAM;
if (codec->info->config.elementaryMasks ) return GF_NOT_SUPPORTED;
/*root parse (not conditionals)*/
assert(codec->scenegraph);
/*setup current scene graph*/
codec->current_graph = codec->scenegraph;
codec->ActiveQP = (M_QuantizationParameter*) codec->scenegraph->global_qp;
bs = gf_bs_new(data, data_length, GF_BITSTREAM_READ);
gf_bs_set_eos_callback(bs, BM_EndOfStream, codec);
e = BM_ParseCommand(codec, bs, com_list);
gf_bs_del(bs);
/*decode conditionals / input sensors*/
if (!e) {
gf_bifs_flush_command_list(codec);
}
/*if err or not reset conditionals*/
while (gf_list_count(codec->command_buffers)) {
CommandBufferItem *cbi = (CommandBufferItem *)gf_list_get(codec->command_buffers, 0);
gf_free(cbi);
gf_list_rem(codec->command_buffers, 0);
}
/*reset current config*/
codec->info = NULL;
codec->current_graph = NULL;
// gf_mx_v(codec->mx);
return e;
}
GF_Err MCDec_InitMpeg4Decoder(MCDec *ctx)
{
char *dsi_data = NULL;
u32 dsi_data_size = 0;
if (!ctx->esd->decoderConfig->decoderSpecificInfo) {
ctx->esd->decoderConfig->decoderSpecificInfo = (GF_DefaultDescriptor *) gf_odf_desc_new(GF_ODF_DSI_TAG);
}
if (ctx->esd->decoderConfig->decoderSpecificInfo->data) {
GF_M4VDecSpecInfo vcfg;
GF_BitStream *bs;
gf_m4v_get_config(ctx->esd->decoderConfig->decoderSpecificInfo->data, ctx->esd->decoderConfig->decoderSpecificInfo->dataLength, &vcfg);
ctx->width = vcfg.width;
ctx->height = vcfg.height;
if (ctx->esd->slConfig) {
ctx->esd->slConfig->predefined = 2;
}
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
gf_bs_write_u32(bs, 0);
gf_odf_desc_write_bs((GF_Descriptor *) ctx->esd, bs);
gf_bs_get_content(bs, &dsi_data, &dsi_data_size);
gf_bs_del(bs);
ctx->mime = "video/mp4v-es";
char *esds = (char *)malloc(dsi_data_size);
memcpy(esds, dsi_data, dsi_data_size);
esds[0] = 0x00;
esds[1] = 0x00;
esds[2] = 0x00;
esds[3] = 0x01;
AMediaFormat_setBuffer(ctx->format, "csd-0", esds, dsi_data_size);
gf_free(dsi_data);
return GF_OK;
}
return GF_NOT_SUPPORTED;
}
GF_EXPORT
GF_Err gf_odf_desc_write(GF_Descriptor *desc, char **outEncDesc, u32 *outSize)
{
GF_Err e;
GF_BitStream *bs;
if (!desc || !outEncDesc || !outSize) return GF_BAD_PARAM;
*outEncDesc = NULL;
*outSize = 0;
bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
if (!bs) return GF_OUT_OF_MEM;
e = gf_odf_desc_write_bs(desc, bs);
//then get the content from our bitstream
gf_bs_get_content(bs, outEncDesc, outSize);
gf_bs_del(bs);
return e;
}
GF_Err gf_webvtt_dump_header_boxed(FILE *dump, const char *data, u32 dataLength, u32 *dumpedLength)
{
GF_Err e;
GF_Box *box;
GF_StringBox *config;
GF_BitStream *bs;
*dumpedLength = 0;
bs = gf_bs_new(data, dataLength, GF_BITSTREAM_READ);
e = gf_isom_parse_box(&box, bs);
if (!box || (box->type != GF_ISOM_BOX_TYPE_VTTC)) return GF_BAD_PARAM;
config = (GF_StringBox *)box;
if (config->string) {
fprintf(dump, "%s", config->string);
*dumpedLength = (u32)strlen(config->string)+1;
}
gf_bs_del(bs);
gf_isom_box_del(box);
return e;
}
GF_Err gf_webvtt_dump_iso_sample(FILE *dump, u32 timescale, GF_ISOSample *iso_sample, Bool box_mode)
{
GF_Err e;
GF_BitStream *bs;
if (box_mode) {
fprintf(dump, "<WebVTTSample decodingTimeStamp=\""LLU"\" compositionTimeStamp=\""LLD"\" RAP=\"%d\" dataLength=\"%d\" >\n", iso_sample->DTS, (s64)iso_sample->DTS + iso_sample->CTS_Offset, iso_sample->IsRAP, iso_sample->dataLength);
}
bs = gf_bs_new(iso_sample->data, iso_sample->dataLength, GF_BITSTREAM_READ);
while(gf_bs_available(bs))
{
GF_Box *box;
GF_WebVTTTimestamp ts;
e = gf_isom_box_parse(&box, bs);
if (e) return e;
if (box_mode) {
gf_isom_box_dump(box, dump);
} else if (box->type == GF_ISOM_BOX_TYPE_VTCC_CUE) {
GF_VTTCueBox *cuebox = (GF_VTTCueBox *)box;
if (cuebox->id) fprintf(dump, "%s", cuebox->id->string);
gf_webvtt_timestamp_set(&ts, (iso_sample->DTS * 1000) / timescale);
gf_webvtt_timestamp_dump(&ts, dump, GF_FALSE);
fprintf(dump, " --> NEXT");
if (cuebox->settings) fprintf(dump, " %s", cuebox->settings->string);
fprintf(dump, "\n");
if (cuebox->payload) fprintf(dump, "%s", cuebox->payload->string);
fprintf(dump, "\n");
} else if (box->type == GF_ISOM_BOX_TYPE_VTTE) {
gf_webvtt_timestamp_set(&ts, (iso_sample->DTS * 1000) / timescale);
gf_webvtt_timestamp_dump(&ts, dump, GF_FALSE);
fprintf(dump, " --> NEXT\n\n");
} else if (box->type == GF_ISOM_BOX_TYPE_VTTA) {
fprintf(dump, "%s\n\n", ((GF_StringBox *)box)->string);
}
gf_isom_box_del(box);
}
gf_bs_del(bs);
if (box_mode) {
fprintf(dump, "</WebVTTSample>\n");
}
return GF_OK;
}
GF_EXPORT
GF_Err gf_odf_codec_encode(GF_ODCodec *codec, u32 cleanup_type)
{
GF_ODCom *com;
GF_Err e = GF_OK;
u32 i;
if (!codec) return GF_BAD_PARAM;
//check our bitstream: if existing, this means the previous encoded AU was not retrieved
//we DON'T allow that
if (codec->bs) return GF_BAD_PARAM;
codec->bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
if (!codec->bs) return GF_OUT_OF_MEM;
/*encode each command*/
i = 0;
while ((com = (GF_ODCom *)gf_list_enum(codec->CommandList, &i))) {
e = gf_odf_write_command(codec->bs, com);
if (e) goto err_exit;
//don't forget OD Commands are aligned...
gf_bs_align(codec->bs);
}
//if an error occurs, delete the GF_BitStream and empty the codec
err_exit:
if (e) {
gf_bs_del(codec->bs);
codec->bs = NULL;
}
if (cleanup_type == 1) {
while (gf_list_count(codec->CommandList)) {
com = (GF_ODCom *)gf_list_get(codec->CommandList, 0);
gf_odf_delete_command(com);
gf_list_rem(codec->CommandList, 0);
}
}
if (cleanup_type == 0) {
gf_list_reset(codec->CommandList);
}
return e;
}
