2011-02-25 12:35:14 +05:30
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#ifndef fooformathfoo
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#define fooformathfoo
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/***
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This file is part of PulseAudio.
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Copyright 2011 Intel Corporation
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Copyright 2011 Collabora Multimedia
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Copyright 2011 Arun Raghavan <arun.raghavan@collabora.co.uk>
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#include <pulse/cdecl.h>
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#include <pulse/proplist.h>
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PA_C_DECL_BEGIN
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/**< Represents the type of encoding used in a stream or accepted by a sink. \since 1.0 */
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typedef enum pa_encoding {
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PA_ENCODING_ANY,
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/**< Any encoding format, PCM or compressed */
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PA_ENCODING_PCM,
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/**< Any PCM format */
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PA_ENCODING_AC3_IEC61937,
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/**< AC3 data encapsulated in IEC 61937 header/padding */
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PA_ENCODING_EAC3_IEC61937,
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/**< EAC3 data encapsulated in IEC 61937 header/padding */
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PA_ENCODING_MPEG_IEC61937,
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/**< MPEG-1 or MPEG-2 (Part 3, not AAC) data encapsulated in IEC 61937 header/padding */
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PA_ENCODING_MAX,
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/**< Valid encoding types must be less than this value */
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PA_ENCODING_INVALID = -1,
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/**< Represents an invalid encoding */
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} pa_encoding_t;
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/**< Represents the format of data provided in a stream or processed by a sink. \since 1.0 */
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typedef struct pa_format_info {
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pa_encoding_t encoding;
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/**< The encoding used for the format */
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pa_proplist *plist;
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/**< Additional encoding-specific properties such as sample rate, bitrate, etc. */
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} pa_format_info;
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/**< Allocates a new \a pa_format_info structure. Clients must initialise at least the encoding field themselves. */
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pa_format_info* pa_format_info_new(void);
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/**< Returns a new \a pa_format_info struct and representing the same format as \a src */
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pa_format_info* pa_format_info_copy(const pa_format_info *src);
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/**< Frees a \a pa_format_info structure */
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void pa_format_info_free(pa_format_info *f);
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/** Returns non-zero when the format info structure is valid */
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int pa_format_info_valid(pa_format_info *f);
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2011-03-01 16:34:06 +05:30
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/** Returns non-zero when the format info structure represents a PCM (i.e. uncompressed data) format */
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int pa_format_info_is_pcm(pa_format_info *f);
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2011-02-25 12:35:14 +05:30
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PA_C_DECL_END
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#endif
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