M4Err M4SM_LoaderRun_MP4(M4ContextLoader *load)
{
u32 i, j, di, nbBifs, nb_samp, samp_done;
M4StreamContext *sc, *base_bifs;
ESDescriptor *esd;
LPODCODEC oddec;
LPBIFSDEC bdec;
M4Err e;
if (!load || !load->isom) return M4BadParam;
base_bifs = ChainGetEntry(load->ctx->streams, 0);
/*no scene info*/
if (!base_bifs) return M4OK;
nbBifs = 1;
e = M4OK;
bdec = BIFS_NewDecoder(load->scene_graph, 1);
oddec = OD_NewCodec(OD_READ);
esd = NULL;
/*load each stream*/
nb_samp = 0;
for (i=0; i<M4_GetTrackCount(load->isom); i++) {
u32 type = M4_GetMediaType(load->isom, i+1);
switch (type) {
case M4_BIFSMediaType:
case M4_ODMediaType:
nb_samp += M4_GetSampleCount(load->isom, i+1);
break;
default:
break;
}
}
samp_done = 1;
for (i=0; i<M4_GetTrackCount(load->isom); i++) {
u32 type = M4_GetMediaType(load->isom, i+1);
switch (type) {
case M4_BIFSMediaType:
break;
case M4_ODMediaType:
break;
default:
continue;
}
esd = M4_GetStreamDescriptor(load->isom, i+1, 1);
if (!esd) continue;
if (base_bifs->ESID!=esd->ESID) {
sc = M4SM_NewStream(load->ctx, esd->ESID, esd->decoderConfig->streamType, esd->decoderConfig->objectTypeIndication);
sc->streamType = esd->decoderConfig->streamType;
sc->ESID = esd->ESID;
sc->objectType = esd->decoderConfig->objectTypeIndication;
sc->timeScale = M4_GetMediaTimeScale(load->isom, i+1);
j=0;
} else {
j=1;
sc = base_bifs;
}
/*we still need to reconfig the BIFS*/
if (esd->decoderConfig->streamType==M4ST_SCENE) {
if (!esd->dependsOnESID && nbBifs && !j)
mp4_report(load, M4OK, "Warning: several BIFS namespaces used or improper BIFS dependencies in file - import may be incorrect");
e = BIFS_ConfigureStream(bdec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication);
if (e) goto exit;
nbBifs++;
}
/*dump all AUs*/
for (; j<M4_GetSampleCount(load->isom, i+1); j++) {
M4AUContext *au;
M4Sample *samp = M4_GetSample(load->isom, i+1, j+1, &di);
if (!samp) {
mp4_report(load, M4_GetLastError(load->isom), "Unable to fetch sample %d from track ID %d - aborting track import", j+1, M4_GetTrackID(load->isom, i+1));
break;
// e = M4_GetLastError(load->isom);
// goto exit;
}
au = M4SM_NewAU(sc, samp->DTS, ((Double)samp->DTS) / sc->timeScale, samp->IsRAP);
if (esd->decoderConfig->streamType==M4ST_SCENE) {
e = BIFS_DecodeAUMemory(bdec, esd->ESID, samp->data, samp->dataLength, au->commands);
} else {
e = OD_SetBuffer(oddec, samp->data, samp->dataLength);
if (!e) e = OD_DecodeAU(oddec);
if (!e) {
while (1) {
ODCommand *odc = OD_GetCommand(oddec);
if (!odc) break;
/*update ESDs if any*/
UpdateODCommand(load->isom, odc);
ChainAddEntry(au->commands, odc);
}
}
}
M4_DeleteSample(&samp);
if (e) goto exit;
samp_done++;
if (load->OnProgress) load->OnProgress(load->cbk, samp_done, nb_samp);
}
OD_DeleteDescriptor((Descriptor **) &esd);
}
exit:
BIFS_DeleteDecoder(bdec);
OD_DeleteCodec(oddec);
if (esd) OD_DeleteDescriptor((Descriptor **) &esd);
return e;
}
static GF_Err gf_sm_load_run_isom(GF_SceneLoader *load)
{
GF_Err e;
FILE *logs;
u32 i, j, di, nbBifs, nbLaser, nb_samp, samp_done, init_offset;
GF_StreamContext *sc;
GF_ESD *esd;
GF_ODCodec *od_dec;
#ifndef GPAC_DISABLE_BIFS
GF_BifsDecoder *bifs_dec;
#endif
#ifndef GPAC_DISABLE_LASER
GF_LASeRCodec *lsr_dec;
#endif
if (!load || !load->isom) return GF_BAD_PARAM;
nbBifs = nbLaser = 0;
e = GF_OK;
#ifndef GPAC_DISABLE_BIFS
bifs_dec = gf_bifs_decoder_new(load->scene_graph, 1);
gf_bifs_decoder_set_extraction_path(bifs_dec, load->localPath, load->fileName);
#endif
od_dec = gf_odf_codec_new();
logs = NULL;
#ifndef GPAC_DISABLE_LASER
lsr_dec = gf_laser_decoder_new(load->scene_graph);
#endif
esd = NULL;
/*load each stream*/
nb_samp = 0;
for (i=0; i<gf_isom_get_track_count(load->isom); i++) {
u32 type = gf_isom_get_media_type(load->isom, i+1);
switch (type) {
case GF_ISOM_MEDIA_SCENE:
case GF_ISOM_MEDIA_OD:
nb_samp += gf_isom_get_sample_count(load->isom, i+1);
break;
default:
break;
}
}
samp_done = 1;
gf_isom_text_set_streaming_mode(load->isom, 1);
for (i=0; i<gf_isom_get_track_count(load->isom); i++) {
u32 type = gf_isom_get_media_type(load->isom, i+1);
switch (type) {
case GF_ISOM_MEDIA_SCENE:
case GF_ISOM_MEDIA_OD:
break;
default:
continue;
}
esd = gf_isom_get_esd(load->isom, i+1, 1);
if (!esd) continue;
if ((esd->decoderConfig->objectTypeIndication == GPAC_OTI_SCENE_AFX) ||
(esd->decoderConfig->objectTypeIndication == GPAC_OTI_SCENE_SYNTHESIZED_TEXTURE)
) {
nb_samp += gf_isom_get_sample_count(load->isom, i+1);
continue;
}
sc = gf_sm_stream_new(load->ctx, esd->ESID, esd->decoderConfig->streamType, esd->decoderConfig->objectTypeIndication);
sc->streamType = esd->decoderConfig->streamType;
sc->ESID = esd->ESID;
sc->objectType = esd->decoderConfig->objectTypeIndication;
sc->timeScale = gf_isom_get_media_timescale(load->isom, i+1);
/*we still need to reconfig the BIFS*/
if (esd->decoderConfig->streamType==GF_STREAM_SCENE) {
#ifndef GPAC_DISABLE_BIFS
/*BIFS*/
if (esd->decoderConfig->objectTypeIndication<=2) {
if (!esd->dependsOnESID && nbBifs && !i)
mp4_report(load, GF_OK, "several scene namespaces used or improper scene dependencies in file - import may be incorrect");
if (!esd->decoderConfig->decoderSpecificInfo) {
/* Hack for T-DMB non compliant streams */
e = gf_bifs_decoder_configure_stream(bifs_dec, esd->ESID, NULL, 0, esd->decoderConfig->objectTypeIndication);
} else {
e = gf_bifs_decoder_configure_stream(bifs_dec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication);
}
if (e) goto exit;
nbBifs++;
}
#endif
#ifndef GPAC_DISABLE_LASER
/*LASER*/
if (esd->decoderConfig->objectTypeIndication==0x09) {
if (!esd->dependsOnESID && nbBifs && !i)
mp4_report(load, GF_OK, "several scene namespaces used or improper scene dependencies in file - import may be incorrect");
e = gf_laser_decoder_configure_stream(lsr_dec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength);
if (e) goto exit;
nbLaser++;
}
#endif
}
init_offset = 0;
/*dump all AUs*/
for (j=0; j<gf_isom_get_sample_count(load->isom, i+1); j++) {
GF_AUContext *au;
GF_ISOSample *samp = gf_isom_get_sample(load->isom, i+1, j+1, &di);
if (!samp) {
mp4_report(load, gf_isom_last_error(load->isom), "Unable to fetch sample %d from track ID %d - aborting track import", j+1, gf_isom_get_track_id(load->isom, i+1));
break;
}
/*check if track has initial offset*/
if (!j && gf_isom_get_edit_segment_count(load->isom, i+1)) {
u64 EditTime, dur, mtime;
u8 mode;
gf_isom_get_edit_segment(load->isom, i+1, 1, &EditTime, &dur, &mtime, &mode);
if (mode==GF_ISOM_EDIT_EMPTY) {
init_offset = (u32) (dur * sc->timeScale / gf_isom_get_timescale(load->isom) );
}
}
samp->DTS += init_offset;
au = gf_sm_stream_au_new(sc, samp->DTS, ((Double)(s64) samp->DTS) / sc->timeScale, (samp->IsRAP==RAP) ? 1 : 0);
if (esd->decoderConfig->streamType==GF_STREAM_SCENE) {
#ifndef GPAC_DISABLE_BIFS
if (esd->decoderConfig->objectTypeIndication<=2)
e = gf_bifs_decode_command_list(bifs_dec, esd->ESID, samp->data, samp->dataLength, au->commands);
#endif
#ifndef GPAC_DISABLE_LASER
if (esd->decoderConfig->objectTypeIndication==0x09)
e = gf_laser_decode_command_list(lsr_dec, esd->ESID, samp->data, samp->dataLength, au->commands);
#endif
} else {
e = gf_odf_codec_set_au(od_dec, samp->data, samp->dataLength);
if (!e) e = gf_odf_codec_decode(od_dec);
if (!e) {
while (1) {
GF_ODCom *odc = gf_odf_codec_get_com(od_dec);
if (!odc) break;
/*update ESDs if any*/
UpdateODCommand(load->isom, odc);
gf_list_add(au->commands, odc);
}
}
}
gf_isom_sample_del(&samp);
if (e) {
mp4_report(load, gf_isom_last_error(load->isom), "decoding sample %d from track ID %d failed", j+1, gf_isom_get_track_id(load->isom, i+1));
goto exit;
}
samp_done++;
gf_set_progress("MP4 Loading", samp_done, nb_samp);
}
gf_odf_desc_del((GF_Descriptor *) esd);
esd = NULL;
}
gf_isom_text_set_streaming_mode(load->isom, 0);
exit:
#ifndef GPAC_DISABLE_BIFS
gf_bifs_decoder_del(bifs_dec);
#endif
gf_odf_codec_del(od_dec);
#ifndef GPAC_DISABLE_LASER
gf_laser_decoder_del(lsr_dec);
#endif
if (esd) gf_odf_desc_del((GF_Descriptor *) esd);
if (logs) gf_fclose(logs);
return e;
}
