static MXFEssenceWrapping mxf_up_get_track_wrapping (const MXFMetadataTimelineTrack * track) { guint i; g_return_val_if_fail (track != NULL, MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING); if (track->parent.descriptor == NULL) { GST_ERROR ("No descriptor found for this track"); return MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING; } for (i = 0; i < track->parent.n_descriptor; i++) { if (!track->parent.descriptor[i]) continue; if (!MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track-> parent.descriptor[i])) continue; switch (track->parent.descriptor[i]->essence_container.u[15]) { case 0x01: return MXF_ESSENCE_WRAPPING_FRAME_WRAPPING; break; case 0x02: return MXF_ESSENCE_WRAPPING_CLIP_WRAPPING; break; default: return MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING; break; } } return MXF_ESSENCE_WRAPPING_CUSTOM_WRAPPING; }
static GstCaps * mxf_vc3_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags, MXFEssenceElementHandleFunc * handler, gpointer * mapping_data) { MXFMetadataFileDescriptor *f = NULL; MXFMetadataGenericPictureEssenceDescriptor *p = NULL; guint i; GstCaps *caps = NULL; g_return_val_if_fail (track != NULL, NULL); if (track->parent.descriptor == NULL) { GST_ERROR ("No descriptor found for this track"); return NULL; } for (i = 0; i < track->parent.n_descriptor; i++) { if (!track->parent.descriptor[i]) continue; if (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track-> parent.descriptor[i])) { p = (MXFMetadataGenericPictureEssenceDescriptor *) track->parent. descriptor[i]; f = track->parent.descriptor[i]; break; } else if (MXF_IS_METADATA_FILE_DESCRIPTOR (track->parent.descriptor[i]) && !MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (track->parent.descriptor[i])) { f = track->parent.descriptor[i]; } } if (!f) { GST_ERROR ("No descriptor found for this track"); return NULL; } *handler = mxf_vc3_handle_essence_element; caps = gst_caps_new_empty_simple ("video/x-dnxhd"); if (p) { mxf_metadata_generic_picture_essence_descriptor_set_caps (p, caps); } else { GST_WARNING ("Only a generic file descriptor found"); } if (!*tags) *tags = gst_tag_list_new_empty (); gst_tag_list_add (*tags, GST_TAG_MERGE_APPEND, GST_TAG_VIDEO_CODEC, "VC-3 Video", NULL); return caps; }
static GstCaps * mxf_dv_dif_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags, MXFEssenceElementHandleFunc * handler, gpointer * mapping_data) { GstCaps *caps = NULL; guint i; MXFMetadataGenericPictureEssenceDescriptor *d = NULL; g_return_val_if_fail (track != NULL, NULL); if (track->parent.descriptor == NULL) { GST_ERROR ("No descriptor found for this track"); return NULL; } for (i = 0; i < track->parent.n_descriptor; i++) { if (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track-> parent.descriptor[i])) { d = MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track-> parent.descriptor[i]); break; } } *handler = mxf_dv_dif_handle_essence_element; /* SMPTE 383M 8 */ /* TODO: might be video or audio only, use values of the generic sound/picture * descriptor in the caps in that case */ GST_DEBUG ("Found DV-DIF stream"); caps = gst_caps_new_simple ("video/x-dv", "systemstream", G_TYPE_BOOLEAN, TRUE, NULL); if (d) mxf_metadata_generic_picture_essence_descriptor_set_caps (d, caps); if (!*tags) *tags = gst_tag_list_new_empty (); gst_tag_list_add (*tags, GST_TAG_MERGE_APPEND, GST_TAG_CODEC, "DV-DIF", NULL); return caps; }
static gboolean mxf_is_vc3_essence_track (const MXFMetadataTimelineTrack * track) { guint i; g_return_val_if_fail (track != NULL, FALSE); if (track->parent.descriptor == NULL) return FALSE; for (i = 0; i < track->parent.n_descriptor; i++) { MXFMetadataFileDescriptor *d = track->parent.descriptor[i]; MXFUL *key; if (!d) continue; key = &d->essence_container; /* SMPTE S2019-4 7 */ if (mxf_is_generic_container_essence_container_label (key) && key->u[12] == 0x02 && key->u[13] == 0x11 && (key->u[14] == 0x01 || key->u[14] == 0x02)) { return TRUE; } else if (mxf_is_avid_essence_container_label (key)) { MXFMetadataGenericPictureEssenceDescriptor *p; if (!MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (d)) return FALSE; p = MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (d); key = &p->picture_essence_coding; if (mxf_ul_is_subclass (&picture_essence_coding_vc3_avid, key)) return TRUE; } } return FALSE; }
static GstCaps * mxf_jpeg2000_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags, MXFEssenceElementHandleFunc * handler, gpointer * mapping_data) { MXFMetadataFileDescriptor *f = NULL; MXFMetadataGenericPictureEssenceDescriptor *p = NULL; guint i; GstCaps *caps = NULL; guint32 fourcc; g_return_val_if_fail (track != NULL, NULL); if (track->parent.descriptor == NULL) { GST_ERROR ("No descriptor found for this track"); return NULL; } for (i = 0; i < track->parent.n_descriptor; i++) { if (!track->parent.descriptor[i]) continue; if (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track->parent. descriptor[i])) { p = (MXFMetadataGenericPictureEssenceDescriptor *) track-> parent.descriptor[i]; f = track->parent.descriptor[i]; break; } else if (MXF_IS_METADATA_FILE_DESCRIPTOR (track->parent.descriptor[i]) && !MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (track->parent.descriptor[i])) { f = track->parent.descriptor[i]; } } if (!f) { GST_ERROR ("No descriptor found for this track"); return NULL; } fourcc = GST_MAKE_FOURCC ('s', 'R', 'G', 'B'); if (p && MXF_IS_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR (p)) { fourcc = GST_MAKE_FOURCC ('s', 'Y', 'U', 'V'); } else if (p && MXF_IS_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (p)) { MXFMetadataRGBAPictureEssenceDescriptor *r = (MXFMetadataRGBAPictureEssenceDescriptor *) p; gboolean rgb = TRUE; gboolean xyz = TRUE; gboolean yuv = TRUE; guint i; if (r->pixel_layout) { for (i = 0; i < r->n_pixel_layout; i++) { guint8 c = r->pixel_layout[2 * i]; switch (c) { case 'R': case 'r': case 'G': case 'g': case 'B': case 'b': xyz = yuv = FALSE; break; case 'Y': case 'y': rgb = FALSE; break; case 'U': case 'u': case 'V': case 'v': xyz = rgb = FALSE; break; case 'X': case 'x': case 'Z': case 'z': rgb = yuv = FALSE; break; default: break; } } if (rgb) { fourcc = GST_MAKE_FOURCC ('s', 'R', 'G', 'B'); } else if (yuv) { fourcc = GST_MAKE_FOURCC ('s', 'Y', 'U', 'V'); } else if (xyz) { GST_ERROR ("JPEG2000 with XYZ colorspace not supported yet"); return NULL; } } } *handler = mxf_jpeg2000_handle_essence_element; /* TODO: What about other field values? */ caps = gst_caps_new_simple ("image/x-jpc", "fields", G_TYPE_INT, 1, "fourcc", GST_TYPE_FOURCC, fourcc, NULL); if (p) { mxf_metadata_generic_picture_essence_descriptor_set_caps (p, caps); } else { GST_WARNING ("Only a generic file descriptor found"); } if (!*tags) *tags = gst_tag_list_new (); gst_tag_list_add (*tags, GST_TAG_MERGE_APPEND, GST_TAG_VIDEO_CODEC, "JPEG 2000", NULL); return caps; }