mpegaudiodec_float.c
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1 /*
2  * Float MPEG Audio decoder
3  * Copyright (c) 2010 Michael Niedermayer
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #define CONFIG_FLOAT 1
23 #include "mpegaudiodec.c"
24 
25 #if CONFIG_MP1FLOAT_DECODER
26 AVCodec ff_mp1float_decoder = {
27  .name = "mp1float",
28  .type = AVMEDIA_TYPE_AUDIO,
29  .id = AV_CODEC_ID_MP1,
30  .priv_data_size = sizeof(MPADecodeContext),
31  .init = decode_init,
33  .capabilities = CODEC_CAP_DR1,
34  .flush = flush,
35  .long_name = NULL_IF_CONFIG_SMALL("MP1 (MPEG audio layer 1)"),
36  .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
39 };
40 #endif
41 #if CONFIG_MP2FLOAT_DECODER
42 AVCodec ff_mp2float_decoder = {
43  .name = "mp2float",
44  .type = AVMEDIA_TYPE_AUDIO,
45  .id = AV_CODEC_ID_MP2,
46  .priv_data_size = sizeof(MPADecodeContext),
47  .init = decode_init,
49  .capabilities = CODEC_CAP_DR1,
50  .flush = flush,
51  .long_name = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
52  .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
55 };
56 #endif
57 #if CONFIG_MP3FLOAT_DECODER
58 AVCodec ff_mp3float_decoder = {
59  .name = "mp3float",
60  .type = AVMEDIA_TYPE_AUDIO,
61  .id = AV_CODEC_ID_MP3,
62  .priv_data_size = sizeof(MPADecodeContext),
63  .init = decode_init,
65  .capabilities = CODEC_CAP_DR1,
66  .flush = flush,
67  .long_name = NULL_IF_CONFIG_SMALL("MP3 (MPEG audio layer 3)"),
68  .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
71 };
72 #endif
73 #if CONFIG_MP3ADUFLOAT_DECODER
74 AVCodec ff_mp3adufloat_decoder = {
75  .name = "mp3adufloat",
76  .type = AVMEDIA_TYPE_AUDIO,
77  .id = AV_CODEC_ID_MP3ADU,
78  .priv_data_size = sizeof(MPADecodeContext),
79  .init = decode_init,
80  .decode = decode_frame_adu,
81  .capabilities = CODEC_CAP_DR1,
82  .flush = flush,
83  .long_name = NULL_IF_CONFIG_SMALL("ADU (Application Data Unit) MP3 (MPEG audio layer 3)"),
84  .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
87 };
88 #endif
89 #if CONFIG_MP3ON4FLOAT_DECODER
90 AVCodec ff_mp3on4float_decoder = {
91  .name = "mp3on4float",
92  .type = AVMEDIA_TYPE_AUDIO,
93  .id = AV_CODEC_ID_MP3ON4,
94  .priv_data_size = sizeof(MP3On4DecodeContext),
95  .init = decode_init_mp3on4,
96  .close = decode_close_mp3on4,
97  .decode = decode_frame_mp3on4,
98  .capabilities = CODEC_CAP_DR1,
99  .flush = flush_mp3on4,
100  .long_name = NULL_IF_CONFIG_SMALL("MP3onMP4"),
101  .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
103 };
104 #endif
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
struct MPADecodeContext MPADecodeContext
MPEG Audio decoder.
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
static av_cold int decode_init(AVCodecContext *avctx)
float, planar
Definition: samplefmt.h:60
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
preferred ID for decoding MPEG audio layer 1, 2 or 3
const char * name
Name of the codec implementation.
static void flush(AVCodecContext *avctx)
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:375
AVSampleFormat
Audio Sample Formats.
Definition: samplefmt.h:49
static int decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: crystalhd.c:868