/* GStreamer * Copyright (C) 2010 Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk> * Copyright (C) 2010 Nokia Corporation. All rights reserved. * Contact: Stefan Kost <stefan.kost@nokia.com> * * Tremor modifications <2006>: * Chris Lord, OpenedHand Ltd. <chris@openedhand.com>, http://www.o-hand.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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_VORBIS_DEC_LIB_H__ #define __GST_VORBIS_DEC_LIB_H__ #include <gst/gst.h> #include <gst/audio/audio.h> #ifndef TREMOR #define GST_VORBIS_DEC_DESCRIPTION "decode raw vorbis streams to float audio" #define GST_VORBIS_AUDIO_FORMAT GST_AUDIO_FORMAT_F32 #define GST_VORBIS_AUDIO_FORMAT_STR GST_AUDIO_NE (F32) #define GST_VORBIS_DEC_SRC_CAPS \ GST_STATIC_CAPS ("audio/x-raw, " \ "format = (string)" GST_VORBIS_AUDIO_FORMAT_STR ", " \ "rate = (int) [ 1, MAX ], " \ "channels = (int) [ 1, 256 ]") #define GST_VORBIS_DEC_DEFAULT_SAMPLE_WIDTH (32) #else /* TREMOR */ #define GST_VORBIS_DEC_DESCRIPTION "decode raw vorbis streams to integer audio" #define GST_VORBIS_AUDIO_FORMAT GST_AUDIO_FORMAT_S16 #define GST_VORBIS_AUDIO_FORMAT_STR GST_AUDIO_NE (S16) #define GST_VORBIS_DEC_SRC_CAPS \ GST_STATIC_CAPS ("audio/x-raw, " \ "format = (string) " GST_VORBIS_AUDIO_FORMAT_STR ", " \ "rate = (int) [ 1, MAX ], " \ "channels = (int) [ 1, 6 ]") #define GST_VORBIS_DEC_DEFAULT_SAMPLE_WIDTH (16) /* we need a different type name here */ #define GstVorbisDec GstIVorbisDec #define GstVorbisDecClass GstIVorbisDecClass #define gst_vorbis_dec_get_type gst_ivorbis_dec_get_type #define gst_vorbis_get_copy_sample_func gst_ivorbis_get_copy_sample_func #endif /* TREMOR */ #ifndef USE_TREMOLO #ifdef TREMOR #include <tremor/ivorbiscodec.h> typedef ogg_int32_t vorbis_sample_t; #else #include <vorbis/codec.h> typedef float vorbis_sample_t; #endif typedef ogg_packet ogg_packet_wrapper; static inline guint8 * gst_ogg_packet_data (ogg_packet * p) { return (guint8 *) p->packet; } static inline gint gst_ogg_packet_size (ogg_packet * p) { return p->bytes; } static inline void gst_ogg_packet_wrapper_map (ogg_packet * packet, GstBuffer * buffer, GstMapInfo *map) { gst_buffer_ref (buffer); gst_buffer_map (buffer, map, GST_MAP_READ); packet->packet = map->data; packet->bytes = map->size; } static inline void gst_ogg_packet_wrapper_unmap (ogg_packet * packet, GstBuffer * buffer, GstMapInfo *map) { gst_buffer_unmap (buffer, map); gst_buffer_unref (buffer); } static inline ogg_packet * gst_ogg_packet_from_wrapper (ogg_packet_wrapper * packet) { return packet; } #else /* USE_TREMOLO */ #include <Tremolo/ivorbiscodec.h> #include <Tremolo/codec_internal.h> typedef ogg_int16_t vorbis_sample_t; typedef struct _ogg_packet_wrapper ogg_packet_wrapper; struct _ogg_packet_wrapper { ogg_packet packet; ogg_reference ref; ogg_buffer buf; }; /* compensate minor variation */ #define vorbis_synthesis(a, b) vorbis_synthesis (a, b, 1) static inline guint8 * gst_ogg_packet_data (ogg_packet * p) { return (guint8 *) p->packet->buffer->data; } static inline gint gst_ogg_packet_size (ogg_packet * p) { return p->packet->buffer->size; } static inline void gst_ogg_packet_wrapper_map (ogg_packet_wrapper * packet, GstBuffer * buffer, GstMapInfo * map) { GstMapInfo info; ogg_reference *ref = &packet->ref; ogg_buffer *buf = &packet->buf; gsize size; gst_buffer_ref (buffer); gst_buffer_map (buffer, map, GST_MAP_READ); buf->data = map->data; buf->size = map->size; buf->refcount = 1; buf->ptr.owner = NULL; buf->ptr.next = NULL; ref->buffer = buf; ref->begin = 0; ref->length = buf->size; ref->next = NULL; packet->packet.packet = ref; packet->packet.bytes = ref->length; } static inline void gst_ogg_packet_wrapper_unmap (ogg_packet_wrapper * packet, GstBuffer * buffer, GstMapInfo * map) { ogg_reference *ref = &packet->ref; ogg_buffer *buf = &packet->buf; gst_buffer_unmap (buffer, map); gst_buffer_unref (buffer); } static inline ogg_packet * gst_ogg_packet_from_wrapper (ogg_packet_wrapper * packet) { return &(packet->packet); } #endif /* USE_TREMOLO */ typedef void (*CopySampleFunc)(vorbis_sample_t *out, vorbis_sample_t **in, guint samples, gint channels); CopySampleFunc gst_vorbis_get_copy_sample_func (gint channels); #endif /* __GST_VORBIS_DEC_LIB_H__ */