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Diffstat (limited to 'gst/audioparsers/gstaacparse.h')
| -rw-r--r-- | gst/audioparsers/gstaacparse.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/gst/audioparsers/gstaacparse.h b/gst/audioparsers/gstaacparse.h new file mode 100644 index 0000000..21949a3 --- /dev/null +++ b/gst/audioparsers/gstaacparse.h @@ -0,0 +1,124 @@ +/* GStreamer AAC parser + * Copyright (C) 2008 Nokia Corporation. All rights reserved. + * + * Contact: Stefan Kost <stefan.kost@nokia.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_AAC_PARSE_H__ +#define __GST_AAC_PARSE_H__ + +#include <gst/gst.h> +#include <gst/base/gstbaseparse.h> + +G_BEGIN_DECLS + +#define GST_TYPE_AAC_PARSE \ + (gst_aac_parse_get_type()) +#define GST_AAC_PARSE(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AAC_PARSE, GstAacParse)) +#define GST_AAC_PARSE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AAC_PARSE, GstAacParseClass)) +#define GST_IS_AAC_PARSE(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AAC_PARSE)) +#define GST_IS_AAC_PARSE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AAC_PARSE)) + +typedef enum +{ + DECAAC_RET_SUCCESS = 0, + DECAAC_RET_ERR_NOT_SUFF_MEM = -2, + DECAAC_RET_ERR_NOT_SUPPORT = -3, + DECAAC_RET_ERR_INVALID_ARG = -4, + DECAAC_RET_ERR_INVALID_BS = -5, + DECAAC_RET_ERR_NOT_EXPECTED = -8, + DECAAC_RET_ERR_NOT_SUFF_BS = -9, + DECAAC_RET_ERR_BAD_CRC = -10, + DECAAC_RET_ERR_INVALID_HCB = -11, + DECAAC_RET_ERR_UNKNOWN = -0xFF, +} eDECAACRET; + +/** + * GstAacHeaderType: + * @DSPAAC_HEADER_NOT_PARSED: Header not parsed yet. + * @DSPAAC_HEADER_UNKNOWN: Unknown (not recognized) header. + * @DSPAAC_HEADER_ADIF: ADIF header found. + * @DSPAAC_HEADER_ADTS: ADTS header found. + * @DSPAAC_HEADER_NONE: Raw stream, no header. + * + * Type header enumeration set in #header_type. + */ +typedef enum { + DSPAAC_HEADER_NOT_PARSED, + DSPAAC_HEADER_UNKNOWN, + DSPAAC_HEADER_ADIF, + DSPAAC_HEADER_ADTS, + DSPAAC_HEADER_NONE +} GstAacHeaderType; + + +typedef struct _GstAacParse GstAacParse; +typedef struct _GstAacParseClass GstAacParseClass; + +/** + * GstAacParse: + * + * The opaque GstAacParse data structure. + */ +struct _GstAacParse { + GstBaseParse element; + + /* Stream type -related info */ + gint object_type; + gint bitrate; + gint sample_rate; + gint channels; + gint mpegversion; + gint frame_samples; + +#ifdef GST_EXT_AACPARSER_MODIFICATION + gboolean first_frame; /* estimate duration once at the first time */ + + guint hdr_bitrate; /* added - estimated bitrate (bps) */ + guint spf; /* added - samples per frame = frame_samples */ + guint frame_duration; /* added - duration per frame (msec) */ + guint frame_per_sec; /* added - frames per second (ea) */ + guint bitstream_type; /* added- bitstream type - constant or variable */ //evil + guint adif_header_length; + guint num_program_config_elements; + guint read_bytes; + gint64 file_size; + guint frame_byte; +#endif + GstAacHeaderType header_type; +}; + +/** + * GstAacParseClass: + * @parent_class: Element parent class. + * + * The opaque GstAacParseClass data structure. + */ +struct _GstAacParseClass { + GstBaseParseClass parent_class; +}; + +GType gst_aac_parse_get_type (void); + +G_END_DECLS + +#endif /* __GST_AAC_PARSE_H__ */ |