void AVC_RewriteESDescriptor(GF_MPEGVisualSampleEntryBox *avc)
{
GF_AVCConfig *avcc, *svcc;
if (avc->emul_esd) gf_odf_desc_del((GF_Descriptor *)avc->emul_esd);
avc->emul_esd = gf_odf_desc_esd_new(2);
avc->emul_esd->decoderConfig->streamType = GF_STREAM_VISUAL;
/*AVC OTI is 0x21, AVC parameter set stream OTI (not supported in gpac) is 0x22*/
avc->emul_esd->decoderConfig->objectTypeIndication = GPAC_OTI_VIDEO_AVC;
if (avc->bitrate) {
avc->emul_esd->decoderConfig->bufferSizeDB = avc->bitrate->bufferSizeDB;
avc->emul_esd->decoderConfig->avgBitrate = avc->bitrate->avgBitrate;
avc->emul_esd->decoderConfig->maxBitrate = avc->bitrate->maxBitrate;
}
if (avc->descr) {
u32 i=0;
GF_Descriptor *desc,*clone;
i=0;
while ((desc = (GF_Descriptor *)gf_list_enum(avc->descr->descriptors, &i))) {
clone = NULL;
gf_odf_desc_copy(desc, &clone);
if (gf_odf_desc_add_desc((GF_Descriptor *)avc->emul_esd, clone) != GF_OK)
gf_odf_desc_del(clone);
}
}
if (avc->avc_config) {
avcc = avc->avc_config->config ? AVC_DuplicateConfig(avc->avc_config->config) : NULL;
/*merge SVC config*/
if (avc->svc_config) {
svcc = AVC_DuplicateConfig(avc->svc_config->config);
while (gf_list_count(svcc->sequenceParameterSets)) {
GF_AVCConfigSlot *p = (GF_AVCConfigSlot*)gf_list_get(svcc->sequenceParameterSets, 0);
gf_list_rem(svcc->sequenceParameterSets, 0);
gf_list_add(avcc->sequenceParameterSets, p);
}
while (gf_list_count(svcc->pictureParameterSets)) {
GF_AVCConfigSlot *p = (GF_AVCConfigSlot*)gf_list_get(svcc->pictureParameterSets, 0);
gf_list_rem(svcc->pictureParameterSets, 0);
gf_list_add(avcc->pictureParameterSets, p);
}
gf_odf_avc_cfg_del(svcc);
}
if (avcc) {
gf_odf_avc_cfg_write(avcc, &avc->emul_esd->decoderConfig->decoderSpecificInfo->data, &avc->emul_esd->decoderConfig->decoderSpecificInfo->dataLength);
gf_odf_avc_cfg_del(avcc);
}
} else if (avc->svc_config) {
svcc = AVC_DuplicateConfig(avc->svc_config->config);
gf_odf_avc_cfg_write(svcc, &avc->emul_esd->decoderConfig->decoderSpecificInfo->data, &avc->emul_esd->decoderConfig->decoderSpecificInfo->dataLength);
gf_odf_avc_cfg_del(svcc);
}
}
void AVC_RewriteESDescriptor(GF_MPEGVisualSampleEntryBox *avc)
{
if (avc->emul_esd) gf_odf_desc_del((GF_Descriptor *)avc->emul_esd);
avc->emul_esd = gf_odf_desc_esd_new(2);
avc->emul_esd->decoderConfig->streamType = GF_STREAM_VISUAL;
/*AVC OTI is 0x21, AVC parameter set stream OTI (not supported in gpac) is 0x22*/
avc->emul_esd->decoderConfig->objectTypeIndication = 0x21;
if (avc->bitrate) {
avc->emul_esd->decoderConfig->bufferSizeDB = avc->bitrate->bufferSizeDB;
avc->emul_esd->decoderConfig->avgBitrate = avc->bitrate->avgBitrate;
avc->emul_esd->decoderConfig->maxBitrate = avc->bitrate->maxBitrate;
}
if (avc->descr) {
u32 i=0;
GF_Descriptor *desc,*clone;
i=0;
while ((desc = (GF_Descriptor *)gf_list_enum(avc->descr->descriptors, &i))) {
clone = NULL;
gf_odf_desc_copy(desc, &clone);
if (gf_odf_desc_add_desc((GF_Descriptor *)avc->emul_esd, clone) != GF_OK)
gf_odf_desc_del(clone);
}
}
if (avc->avc_config && avc->avc_config->config) {
gf_odf_avc_cfg_write(avc->avc_config->config, &avc->emul_esd->decoderConfig->decoderSpecificInfo->data, &avc->emul_esd->decoderConfig->decoderSpecificInfo->dataLength);
}
}
void isor_declare_objects(ISOMReader *read)
{
GF_ObjectDescriptor *od;
GF_ESD *esd;
const char *tag;
u32 i, count, ocr_es_id, tlen, base_track, j, track_id;
Bool highest_stream;
char *opt;
Bool add_ps_lower = GF_TRUE;
ocr_es_id = 0;
opt = (char*) gf_modules_get_option((GF_BaseInterface *)read->input, "ISOReader", "DeclareScalableXPS");
if (!opt) {
gf_modules_set_option((GF_BaseInterface *)read->input, "ISOReader", "DeclareScalableXPS", "yes");
} else if (!strcmp(opt, "no")) {
add_ps_lower = GF_FALSE;
}
/*TODO check for alternate tracks*/
count = gf_isom_get_track_count(read->mov);
for (i=0; i<count; i++) {
if (!gf_isom_is_track_enabled(read->mov, i+1)) continue;
switch (gf_isom_get_media_type(read->mov, i+1)) {
case GF_ISOM_MEDIA_AUDIO:
case GF_ISOM_MEDIA_VISUAL:
case GF_ISOM_MEDIA_TEXT:
case GF_ISOM_MEDIA_SUBT:
case GF_ISOM_MEDIA_SCENE:
case GF_ISOM_MEDIA_SUBPIC:
break;
default:
continue;
}
/*we declare only the highest video track (i.e the track we play)*/
highest_stream = GF_TRUE;
track_id = gf_isom_get_track_id(read->mov, i+1);
for (j = 0; j < count; j++) {
if (gf_isom_has_track_reference(read->mov, j+1, GF_ISOM_REF_SCAL, track_id) > 0) {
highest_stream = GF_FALSE;
break;
}
}
if ((gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_VISUAL) && !highest_stream)
continue;
esd = gf_media_map_esd(read->mov, i+1);
if (esd) {
gf_isom_get_reference(read->mov, i+1, GF_ISOM_REF_BASE, 1, &base_track);
esd->has_ref_base = base_track ? GF_TRUE : GF_FALSE;
/*FIXME: if we declare only SPS/PPS of the highest layer, we have a problem in decoding even though we have all SPS/PPS inband (OpenSVC bug ?)*/
/*so we add by default the SPS/PPS of the lower layers to this esd*/
if (esd->has_ref_base && add_ps_lower) {
u32 count, refIndex, ref_track, num_sps, num_pps, t;
GF_AVCConfig *cfg = gf_odf_avc_cfg_read(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength);
GF_AVCConfig *avccfg, *svccfg;
count = gf_isom_get_reference_count(read->mov, i+1, GF_ISOM_REF_SCAL);
for (refIndex = count; refIndex != 0; refIndex--) {
gf_isom_get_reference(read->mov, i+1, GF_ISOM_REF_SCAL, refIndex, &ref_track);
avccfg = gf_isom_avc_config_get(read->mov, ref_track, 1);
svccfg = gf_isom_svc_config_get(read->mov, ref_track, 1);
if (avccfg) {
num_sps = gf_list_count(avccfg->sequenceParameterSets);
for (t = 0; t < num_sps; t++) {
GF_AVCConfigSlot *slc = gf_list_get(avccfg->sequenceParameterSets, t);
GF_AVCConfigSlot *sl = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot));
sl->id = slc->id;
sl->size = slc->size;
sl->data = (char*)gf_malloc(sizeof(char)*sl->size);
memcpy(sl->data, slc->data, sizeof(char)*sl->size);
gf_list_insert(cfg->sequenceParameterSets, sl, 0);
}
num_pps = gf_list_count(avccfg->pictureParameterSets);
for (t = 0; t < num_sps; t++) {
GF_AVCConfigSlot *slc = gf_list_get(avccfg->pictureParameterSets, t);
GF_AVCConfigSlot *sl = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot));
sl->id = slc->id;
sl->size = slc->size;
sl->data = (char*)gf_malloc(sizeof(char)*sl->size);
memcpy(sl->data, slc->data, sizeof(char)*sl->size);
gf_list_insert(cfg->pictureParameterSets, sl, 0);
}
gf_odf_avc_cfg_del(avccfg);
}
if (svccfg) {
num_sps = gf_list_count(svccfg->sequenceParameterSets);
for (t = 0; t < num_sps; t++) {
GF_AVCConfigSlot *slc = gf_list_get(svccfg->sequenceParameterSets, t);
GF_AVCConfigSlot *sl = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot));
sl->id = slc->id;
sl->size = slc->size;
sl->data = (char*)gf_malloc(sizeof(char)*sl->size);
memcpy(sl->data, slc->data, sizeof(char)*sl->size);
gf_list_insert(cfg->sequenceParameterSets, sl, 0);
}
num_pps = gf_list_count(svccfg->pictureParameterSets);
for (t = 0; t < num_pps; t++) {
GF_AVCConfigSlot *slc = gf_list_get(svccfg->pictureParameterSets, t);
GF_AVCConfigSlot *sl = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot));
sl->id = slc->id;
sl->size = slc->size;
sl->data = (char*)gf_malloc(sizeof(char)*sl->size);
memcpy(sl->data, slc->data, sizeof(char)*sl->size);
gf_list_insert(cfg->pictureParameterSets, sl, 0);
}
gf_odf_avc_cfg_del(svccfg);
}
}
if (esd->decoderConfig->decoderSpecificInfo->data) gf_free(esd->decoderConfig->decoderSpecificInfo->data);
gf_odf_avc_cfg_write(cfg, &esd->decoderConfig->decoderSpecificInfo->data, &esd->decoderConfig->decoderSpecificInfo->dataLength);
gf_odf_avc_cfg_del(cfg);
}
od = (GF_ObjectDescriptor *) gf_odf_desc_new(GF_ODF_OD_TAG);
od->service_ifce = read->input;
od->objectDescriptorID = 0;
if (!ocr_es_id) ocr_es_id = esd->ESID;
esd->OCRESID = ocr_es_id;
gf_list_add(od->ESDescriptors, esd);
if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) {
send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, (GF_Descriptor*)od, NULL);
} else {
gf_term_add_media(read->service, (GF_Descriptor*)od, GF_TRUE);
}
}
}
/*if cover art, extract it in cache*/
if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COVER_ART, &tag, &tlen)==GF_OK) {
const char *cdir = gf_modules_get_option((GF_BaseInterface *)gf_term_get_service_interface(read->service), "General", "CacheDirectory");
if (cdir) {
char szName[GF_MAX_PATH];
const char *sep;
FILE *t;
sep = strrchr(gf_isom_get_filename(read->mov), '\\');
if (!sep) sep = strrchr(gf_isom_get_filename(read->mov), '/');
if (!sep) sep = gf_isom_get_filename(read->mov);
if ((cdir[strlen(cdir)-1] != '\\') && (cdir[strlen(cdir)-1] != '/')) {
sprintf(szName, "%s/%s_cover.%s", cdir, sep, (tlen & 0x80000000) ? "png" : "jpg");
} else {
sprintf(szName, "%s%s_cover.%s", cdir, sep, (tlen & 0x80000000) ? "png" : "jpg");
}
t = gf_f64_open(szName, "wb");
if (t) {
Bool isom_contains_video = GF_FALSE;
/*write cover data*/
assert(!(tlen & 0x80000000));
gf_fwrite(tag, tlen & 0x7FFFFFFF, 1, t);
fclose(t);
/*don't display cover art when video is present*/
for (i=0; i<gf_isom_get_track_count(read->mov); i++) {
if (!gf_isom_is_track_enabled(read->mov, i+1))
continue;
if (gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_VISUAL) {
isom_contains_video = GF_TRUE;
break;
}
}
if (!isom_contains_video) {
od = (GF_ObjectDescriptor *) gf_odf_desc_new(GF_ODF_OD_TAG);
od->service_ifce = read->input;
od->objectDescriptorID = GF_MEDIA_EXTERNAL_ID;
od->URLString = gf_strdup(szName);
if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) {
send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, (GF_Descriptor*)od, NULL);
} else {
gf_term_add_media(read->service, (GF_Descriptor*)od, GF_TRUE);
}
}
}
}
}
if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) {
send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, NULL, NULL);
} else {
gf_term_add_media(read->service, NULL, GF_FALSE);
}
}
static GF_Err VTBDec_InitDecoder(VTBDec *ctx, Bool force_dsi_rewrite)
{
CFMutableDictionaryRef dec_dsi, dec_type;
CFMutableDictionaryRef dsi;
VTDecompressionOutputCallbackRecord cbacks;
CFDictionaryRef buffer_attribs;
OSStatus status;
OSType kColorSpace;
CFDataRef data = NULL;
char *dsi_data=NULL;
u32 dsi_data_size=0;
dec_dsi = CFDictionaryCreateMutable(kCFAllocatorDefault, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
kColorSpace = kCVPixelFormatType_420YpCbCr8Planar;
ctx->pix_fmt = GF_PIXEL_YV12;
switch (ctx->esd->decoderConfig->objectTypeIndication) {
case GPAC_OTI_VIDEO_AVC :
if (ctx->sps && ctx->pps) {
AVCState avc;
s32 idx;
memset(&avc, 0, sizeof(AVCState));
avc.sps_active_idx = -1;
idx = gf_media_avc_read_sps(ctx->sps, ctx->sps_size, &avc, 0, NULL);
ctx->vtb_type = kCMVideoCodecType_H264;
assert(ctx->sps);
ctx->width = avc.sps[idx].width;
ctx->height = avc.sps[idx].height;
if (avc.sps[idx].vui.par_num && avc.sps[idx].vui.par_den) {
ctx->pixel_ar = avc.sps[idx].vui.par_num;
ctx->pixel_ar <<= 16;
ctx->pixel_ar |= avc.sps[idx].vui.par_den;
}
ctx->chroma_format = avc.sps[idx].chroma_format;
ctx->luma_bit_depth = 8 + avc.sps[idx].luma_bit_depth_m8;
ctx->chroma_bit_depth = 8 + avc.sps[idx].chroma_bit_depth_m8;
switch (ctx->chroma_format) {
case 2:
//422 decoding doesn't seem supported ...
if (ctx->luma_bit_depth>8) {
kColorSpace = kCVPixelFormatType_422YpCbCr10;
ctx->pix_fmt = GF_PIXEL_YUV422_10;
} else {
kColorSpace = kCVPixelFormatType_422YpCbCr8;
ctx->pix_fmt = GF_PIXEL_YUV422;
}
break;
case 3:
if (ctx->luma_bit_depth>8) {
kColorSpace = kCVPixelFormatType_444YpCbCr10;
ctx->pix_fmt = GF_PIXEL_YUV444_10;
} else {
kColorSpace = kCVPixelFormatType_444YpCbCr8;
ctx->pix_fmt = GF_PIXEL_YUV444;
}
break;
default:
if (ctx->luma_bit_depth>8) {
kColorSpace = kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange;
ctx->pix_fmt = GF_PIXEL_YV12_10;
}
break;
}
if (!ctx->esd->decoderConfig->decoderSpecificInfo || force_dsi_rewrite || !ctx->esd->decoderConfig->decoderSpecificInfo->data) {
GF_AVCConfigSlot *slc_s, *slc_p;
GF_AVCConfig *cfg = gf_odf_avc_cfg_new();
cfg->configurationVersion = 1;
cfg->profile_compatibility = avc.sps[idx].prof_compat;
cfg->AVCProfileIndication = avc.sps[idx].profile_idc;
cfg->AVCLevelIndication = avc.sps[idx].level_idc;
cfg->chroma_format = avc.sps[idx].chroma_format;
cfg->luma_bit_depth = 8 + avc.sps[idx].luma_bit_depth_m8;
cfg->chroma_bit_depth = 8 + avc.sps[idx].chroma_bit_depth_m8;
cfg->nal_unit_size = 4;
GF_SAFEALLOC(slc_s, GF_AVCConfigSlot);
slc_s->data = ctx->sps;
slc_s->size = ctx->sps_size;
gf_list_add(cfg->sequenceParameterSets, slc_s);
GF_SAFEALLOC(slc_p, GF_AVCConfigSlot);
slc_p->data = ctx->pps;
slc_p->size = ctx->pps_size;
gf_list_add(cfg->pictureParameterSets , slc_p);
gf_odf_avc_cfg_write(cfg, &dsi_data, &dsi_data_size);
slc_s->data = slc_p->data = NULL;
gf_odf_avc_cfg_del((cfg));
} else {
dsi_data = ctx->esd->decoderConfig->decoderSpecificInfo->data;
dsi_data_size = ctx->esd->decoderConfig->decoderSpecificInfo->dataLength;
}
dsi = CFDictionaryCreateMutable(kCFAllocatorDefault, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
data = CFDataCreate(kCFAllocatorDefault, dsi_data, dsi_data_size);
if (data) {
CFDictionarySetValue(dsi, CFSTR("avcC"), data);
CFDictionarySetValue(dec_dsi, kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms, dsi);
CFRelease(data);
}
CFRelease(dsi);
if (!ctx->esd->decoderConfig->decoderSpecificInfo || !ctx->esd->decoderConfig->decoderSpecificInfo->data) {
gf_free(ctx->sps);
ctx->sps = NULL;
gf_free(ctx->pps);
ctx->pps = NULL;
gf_free(dsi_data);
}
}
break;
case GPAC_OTI_VIDEO_MPEG2_SIMPLE:
case GPAC_OTI_VIDEO_MPEG2_MAIN:
case GPAC_OTI_VIDEO_MPEG2_SNR:
case GPAC_OTI_VIDEO_MPEG2_SPATIAL:
case GPAC_OTI_VIDEO_MPEG2_HIGH:
case GPAC_OTI_VIDEO_MPEG2_422:
ctx->vtb_type = kCMVideoCodecType_MPEG2Video;
if (!ctx->width || !ctx->height) {
ctx->init_mpeg12 = GF_TRUE;
return GF_OK;
}
ctx->init_mpeg12 = GF_FALSE;
break;
case GPAC_OTI_VIDEO_MPEG1:
ctx->vtb_type = kCMVideoCodecType_MPEG1Video;
if (!ctx->width || !ctx->height) {
ctx->init_mpeg12 = GF_TRUE;
return GF_OK;
}
ctx->init_mpeg12 = GF_FALSE;
break;
case GPAC_OTI_VIDEO_MPEG4_PART2 :
{
Bool reset_dsi = GF_FALSE;
ctx->vtb_type = kCMVideoCodecType_MPEG4Video;
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) {
reset_dsi = GF_TRUE;
ctx->esd->decoderConfig->decoderSpecificInfo->data = ctx->vosh;
ctx->esd->decoderConfig->decoderSpecificInfo->dataLength = ctx->vosh_size;
}
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);
dsi = CFDictionaryCreateMutable(kCFAllocatorDefault, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
data = CFDataCreate(kCFAllocatorDefault, dsi_data, dsi_data_size);
gf_free(dsi_data);
if (data) {
CFDictionarySetValue(dsi, CFSTR("esds"), data);
CFDictionarySetValue(dec_dsi, kCMFormatDescriptionExtension_SampleDescriptionExtensionAtoms, dsi);
CFRelease(data);
}
CFRelease(dsi);
if (reset_dsi) {
ctx->esd->decoderConfig->decoderSpecificInfo->data = NULL;
ctx->esd->decoderConfig->decoderSpecificInfo->dataLength = 0;
}
ctx->skip_mpeg4_vosh = GF_FALSE;
} else {
ctx->skip_mpeg4_vosh = GF_TRUE;
return GF_OK;
}
break;
}
case GPAC_OTI_MEDIA_GENERIC:
if (ctx->esd->decoderConfig->decoderSpecificInfo && ctx->esd->decoderConfig->decoderSpecificInfo->dataLength) {
char *dsi = ctx->esd->decoderConfig->decoderSpecificInfo->data;
if (ctx->esd->decoderConfig->decoderSpecificInfo->dataLength<8) return GF_NON_COMPLIANT_BITSTREAM;
if (strnicmp(dsi, "s263", 4)) return GF_NOT_SUPPORTED;
ctx->width = ((u8) dsi[4]); ctx->width<<=8; ctx->width |= ((u8) dsi[5]);
ctx->height = ((u8) dsi[6]); ctx->height<<=8; ctx->height |= ((u8) dsi[7]);
ctx->vtb_type = kCMVideoCodecType_H263;
}
break;
default :
return GF_NOT_SUPPORTED;
}
if (! ctx->width || !ctx->height) return GF_NOT_SUPPORTED;
status = CMVideoFormatDescriptionCreate(kCFAllocatorDefault, ctx->vtb_type, ctx->width, ctx->height, dec_dsi, &ctx->fmt_desc);
if (!ctx->fmt_desc) {
if (dec_dsi) CFRelease(dec_dsi);
return GF_NON_COMPLIANT_BITSTREAM;
}
buffer_attribs = VTBDec_CreateBufferAttributes(ctx->width, ctx->height, kColorSpace);
cbacks.decompressionOutputCallback = VTBDec_on_frame;
cbacks.decompressionOutputRefCon = ctx;
dec_type = CFDictionaryCreateMutable(kCFAllocatorDefault, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFDictionarySetValue(dec_type, kVTVideoDecoderSpecification_RequireHardwareAcceleratedVideoDecoder, kCFBooleanTrue);
ctx->is_hardware = GF_TRUE;
status = VTDecompressionSessionCreate(NULL, ctx->fmt_desc, dec_type, NULL, &cbacks, &ctx->vtb_session);
//if HW decoder not available, try soft one
if (status) {
status = VTDecompressionSessionCreate(NULL, ctx->fmt_desc, NULL, buffer_attribs, &cbacks, &ctx->vtb_session);
ctx->is_hardware = GF_FALSE;
}
if (dec_dsi)
CFRelease(dec_dsi);
if (dec_type)
CFRelease(dec_type);
if (buffer_attribs)
CFRelease(buffer_attribs);
switch (status) {
case kVTVideoDecoderNotAvailableNowErr:
case kVTVideoDecoderUnsupportedDataFormatErr:
return GF_NOT_SUPPORTED;
case kVTVideoDecoderMalfunctionErr:
return GF_IO_ERR;
case kVTVideoDecoderBadDataErr :
return GF_BAD_PARAM;
case kVTPixelTransferNotSupportedErr:
case kVTCouldNotFindVideoDecoderErr:
return GF_NOT_SUPPORTED;
case 0:
break;
default:
return GF_SERVICE_ERROR;
}
//good to go !
if (ctx->pix_fmt == GF_PIXEL_YUV422) {
ctx->out_size = ctx->width*ctx->height*2;
} else if (ctx->pix_fmt == GF_PIXEL_YUV444) {
ctx->out_size = ctx->width*ctx->height*3;
} else {
// (ctx->pix_fmt == GF_PIXEL_YV12)
ctx->out_size = ctx->width*ctx->height*3/2;
}
if (ctx->luma_bit_depth>8) {
ctx->out_size *= 2;
}
return GF_OK;
}
