3 * Copyright (c) 2002 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
26 #define RAW_SAMPLES 1024
28 static int raw_read_packet(AVFormatContext *s, AVPacket *pkt)
31 // AVStream *st = s->streams[0];
33 size= RAW_SAMPLES*s->streams[0]->codec->block_align;
35 ret= av_get_packet(s->pb, pkt, size);
37 pkt->stream_index = 0;
41 bps= av_get_bits_per_sample(s->streams[0]->codec->codec_id);
42 assert(bps); // if false there IS a bug elsewhere (NOT in this function)
44 pkt->pts= pkt->pos*8 / (bps * s->streams[0]->codec->channels);
49 #define PCMDEF(name, long_name, ext, codec) \
50 AVInputFormat pcm_ ## name ## _demuxer = {\
52 NULL_IF_CONFIG_SMALL(long_name),\
59 .flags= AVFMT_GENERIC_INDEX,\
64 PCMDEF(f64be, "PCM 64 bit floating-point big-endian format",
65 NULL, CODEC_ID_PCM_F64BE)
67 PCMDEF(f64le, "PCM 64 bit floating-point little-endian format",
68 NULL, CODEC_ID_PCM_F64LE)
70 PCMDEF(f32be, "PCM 32 bit floating-point big-endian format",
71 NULL, CODEC_ID_PCM_F32BE)
73 PCMDEF(f32le, "PCM 32 bit floating-point little-endian format",
74 NULL, CODEC_ID_PCM_F32LE)
76 PCMDEF(s32be, "PCM signed 32 bit big-endian format",
77 NULL, CODEC_ID_PCM_S32BE)
79 PCMDEF(s32le, "PCM signed 32 bit little-endian format",
80 NULL, CODEC_ID_PCM_S32LE)
82 PCMDEF(s24be, "PCM signed 24 bit big-endian format",
83 NULL, CODEC_ID_PCM_S24BE)
85 PCMDEF(s24le, "PCM signed 24 bit little-endian format",
86 NULL, CODEC_ID_PCM_S24LE)
88 PCMDEF(s16be, "PCM signed 16 bit big-endian format",
89 AV_NE("sw", NULL), CODEC_ID_PCM_S16BE)
91 PCMDEF(s16le, "PCM signed 16 bit little-endian format",
92 AV_NE(NULL, "sw"), CODEC_ID_PCM_S16LE)
94 PCMDEF(s8, "PCM signed 8 bit format",
95 "sb", CODEC_ID_PCM_S8)
97 PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
98 NULL, CODEC_ID_PCM_U32BE)
100 PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
101 NULL, CODEC_ID_PCM_U32LE)
103 PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
104 NULL, CODEC_ID_PCM_U24BE)
106 PCMDEF(u24le, "PCM unsigned 24 bit little-endian format",
107 NULL, CODEC_ID_PCM_U24LE)
109 PCMDEF(u16be, "PCM unsigned 16 bit big-endian format",
110 AV_NE("uw", NULL), CODEC_ID_PCM_U16BE)
112 PCMDEF(u16le, "PCM unsigned 16 bit little-endian format",
113 AV_NE(NULL, "uw"), CODEC_ID_PCM_U16LE)
115 PCMDEF(u8, "PCM unsigned 8 bit format",
116 "ub", CODEC_ID_PCM_U8)
118 PCMDEF(alaw, "PCM A-law format",
119 "al", CODEC_ID_PCM_ALAW)
121 PCMDEF(mulaw, "PCM mu-law format",
122 "ul", CODEC_ID_PCM_MULAW)