static GF_Err OSVC_AttachStream(GF_BaseDecoder *ifcg, GF_ESD *esd)
{
u32 i, count;
s32 res;
OPENSVCFRAME Picture;
int Layer[4];
OSVCDec *ctx = (OSVCDec*) ifcg->privateStack;
/*todo: we should check base layer of this stream is indeed our base layer*/
if (!ctx->ES_ID) {
ctx->ES_ID = esd->ESID;
ctx->width = ctx->height = ctx->out_size = 0;
if (!esd->dependsOnESID) ctx->baseES_ID = esd->ESID;
}
if (esd->decoderConfig->decoderSpecificInfo && esd->decoderConfig->decoderSpecificInfo->data) {
GF_AVCConfig *cfg = gf_odf_avc_cfg_read(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength);
if (!cfg) return GF_NON_COMPLIANT_BITSTREAM;
if (!esd->dependsOnESID) {
ctx->nalu_size_length = cfg->nal_unit_size;
if (SVCDecoder_init(&ctx->codec) == SVC_STATUS_ERROR) return GF_IO_ERR;
}
/*decode all NALUs*/
count = gf_list_count(cfg->sequenceParameterSets);
SetCommandLayer(Layer, 255, 0, &res, 0);//bufindex can be reset without pb
for (i=0; i<count; i++) {
u32 w=0, h=0, sid;
s32 par_n=0, par_d=0;
GF_AVCConfigSlot *slc = gf_list_get(cfg->sequenceParameterSets, i);
#ifndef GPAC_DISABLE_AV_PARSERS
gf_avc_get_sps_info(slc->data, slc->size, &sid, &w, &h, &par_n, &par_d);
#endif
/*by default use the base layer*/
if (!i) {
if ((ctx->width<w) || (ctx->height<h)) {
ctx->width = w;
ctx->height = h;
if ( ((s32)par_n>0) && ((s32)par_d>0) )
ctx->pixel_ar = (par_n<<16) || par_d;
}
}
res = decodeNAL(ctx->codec, (unsigned char *) slc->data, slc->size, &Picture, Layer);
if (res<0) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[SVC Decoder] Error decoding SPS %d\n", res));
}
GF_LOG(GF_LOG_DEBUG, GF_LOG_CODEC, ("[SVC Decoder] Attach: SPS id=\"%d\" code=\"%d\" size=\"%d\"\n", slc->id, slc->data[0] & 0x1F, slc->size));
}
count = gf_list_count(cfg->pictureParameterSets);
for (i=0; i<count; i++) {
u32 sps_id, pps_id;
GF_AVCConfigSlot *slc = gf_list_get(cfg->pictureParameterSets, i);
gf_avc_get_pps_info(slc->data, slc->size, &pps_id, &sps_id);
res = decodeNAL(ctx->codec, (unsigned char *) slc->data, slc->size, &Picture, Layer);
if (res<0) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[SVC Decoder] Error decoding PPS %d\n", res));
}
GF_LOG(GF_LOG_DEBUG, GF_LOG_CODEC, ("[SVC Decoder] Attach: PPS id=\"%d\" code=\"%d\" size=\"%d\" sps_id=\"%d\"\n", pps_id, slc->data[0] & 0x1F, slc->size, sps_id));
}
ctx->state_found = 1;
gf_odf_avc_cfg_del(cfg);
} else {
if (ctx->nalu_size_length) {
return GF_NOT_SUPPORTED;
}
ctx->nalu_size_length = 0;
if (!esd->dependsOnESID) {
if (SVCDecoder_init(&ctx->codec) == SVC_STATUS_ERROR) return GF_IO_ERR;
}
ctx->pixel_ar = (1<<16) || 1;
}
ctx->stride = ctx->width + 32;
ctx->CurrentDqId = ctx->MaxDqId = 0;
ctx->out_size = ctx->stride * ctx->height * 3 / 2;
return GF_OK;
}
static GF_Err OSVC_AttachStream(GF_BaseDecoder *ifcg, GF_ESD *esd)
{
u32 i, count;
s32 res;
OPENSVCFRAME Picture;
int Layer[4];
OSVCDec *ctx = (OSVCDec*) ifcg->privateStack;
/*not supported in this version*/
if (esd->dependsOnESID) return GF_NOT_SUPPORTED;
ctx->ES_ID = esd->ESID;
ctx->width = ctx->height = ctx->out_size = 0;
if (esd->decoderConfig->decoderSpecificInfo && esd->decoderConfig->decoderSpecificInfo->data) {
GF_AVCConfig *cfg = gf_odf_avc_cfg_read(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength);
if (!cfg) return GF_NON_COMPLIANT_BITSTREAM;
ctx->nalu_size_length = cfg->nal_unit_size;
if (SVCDecoder_init(&ctx->codec) == SVC_STATUS_ERROR) return GF_IO_ERR;
/*decode all NALUs*/
count = gf_list_count(cfg->sequenceParameterSets);
SetCommandLayer(Layer, 255, 0, &i, 0);//bufindex can be reset without pb
for (i=0; i<count; i++) {
u32 w, h, par_n, par_d;
GF_AVCConfigSlot *slc = gf_list_get(cfg->sequenceParameterSets, i);
gf_avc_get_sps_info(slc->data, slc->size, &slc->id, &w, &h, &par_n, &par_d);
/*by default use the base layer*/
if (!i) {
if ((ctx->width<w) || (ctx->height<h)) {
ctx->width = w;
ctx->height = h;
if ( ((s32)par_n>0) && ((s32)par_d>0) )
ctx->pixel_ar = (par_n<<16) || par_d;
}
}
res = decodeNAL(ctx->codec, slc->data, slc->size, &Picture, Layer);
if (res<0) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[SVC Decoder] Error decoding SPS %d\n", res));
}
}
count = gf_list_count(cfg->pictureParameterSets);
for (i=0; i<count; i++) {
GF_AVCConfigSlot *slc = gf_list_get(cfg->pictureParameterSets, i);
res = decodeNAL(ctx->codec, slc->data, slc->size, &Picture, Layer);
if (res<0) {
GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[SVC Decoder] Error decoding PPS %d\n", res));
}
}
gf_odf_avc_cfg_del(cfg);
} else {
ctx->nalu_size_length = 0;
if (SVCDecoder_init(&ctx->codec) == SVC_STATUS_ERROR) return GF_IO_ERR;
}
ctx->stride = ctx->width + 32;
ctx->layer = 0;
ctx->CurrDqId = ctx->layer;
ctx->out_size = ctx->stride * ctx->height * 3 / 2;
return GF_OK;
}