diff options
Diffstat (limited to 'demux/demux_rawaudio.c')
-rw-r--r-- | demux/demux_rawaudio.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/demux/demux_rawaudio.c b/demux/demux_rawaudio.c deleted file mode 100644 index 54e7b1b939..0000000000 --- a/demux/demux_rawaudio.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> -#include <string.h> - -#include "core/m_option.h" - -#include "stream/stream.h" -#include "demux.h" -#include "stheader.h" -#include "audio/format.h" - - -static struct mp_chmap channels = MP_CHMAP_INIT_STEREO; -static int samplerate = 44100; -static int format = AF_FORMAT_S16_NE; - -const m_option_t demux_rawaudio_opts[] = { - { "channels", &channels, &m_option_type_chmap, CONF_MIN, 1 }, - { "rate", &samplerate, CONF_TYPE_INT,CONF_RANGE,1000,8*48000, NULL }, - { "format", &format, CONF_TYPE_AFMT, 0, 0, 0, NULL }, - {NULL, NULL, 0, 0, 0, 0, NULL} -}; - - -static int demux_rawaudio_open(demuxer_t* demuxer, enum demux_check check) -{ - struct sh_stream *sh; - sh_audio_t* sh_audio; - WAVEFORMATEX* w; - - if (check != DEMUX_CHECK_REQUEST && check != DEMUX_CHECK_FORCE) - return -1; - - if ((format & AF_FORMAT_SPECIAL_MASK) != 0) - return -1; - - sh = new_sh_stream(demuxer, STREAM_AUDIO); - sh_audio = sh->audio; - sh_audio->gsh->codec = "mp-pcm"; - sh_audio->format = format; - sh_audio->wf = w = malloc(sizeof(*w)); - w->wFormatTag = 0; - sh_audio->channels = channels; - w->nChannels = sh_audio->channels.num; - w->nSamplesPerSec = sh_audio->samplerate = samplerate; - int samplesize = (af_fmt2bits(format) + 7) / 8; - w->nAvgBytesPerSec = samplerate * samplesize * w->nChannels; - w->nBlockAlign = w->nChannels * samplesize; - w->wBitsPerSample = 8 * samplesize; - w->cbSize = 0; - - demuxer->movi_start = demuxer->stream->start_pos; - demuxer->movi_end = demuxer->stream->end_pos; - - return 0; -} - -static int demux_rawaudio_fill_buffer(demuxer_t* demuxer) -{ - sh_audio_t* sh_audio = demuxer->streams[0]->audio; - int l = sh_audio->wf->nAvgBytesPerSec; - int64_t spos = stream_tell(demuxer->stream); - demux_packet_t* dp; - - if(demuxer->stream->eof) - return 0; - - dp = new_demux_packet(l); - dp->pts = (spos - demuxer->movi_start) / (float)(sh_audio->wf->nAvgBytesPerSec); - dp->pos = (spos - demuxer->movi_start); - - l = stream_read(demuxer->stream,dp->buffer,l); - resize_demux_packet(dp, l); - demuxer_add_packet(demuxer, demuxer->streams[0], dp); - - return 1; -} - -static void demux_rawaudio_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags){ - stream_t* s = demuxer->stream; - sh_audio_t* sh_audio = demuxer->streams[0]->audio; - int64_t base,pos; - - base = (flags & SEEK_ABSOLUTE) ? demuxer->movi_start : stream_tell(s); - if(flags & SEEK_FACTOR) - pos = base + ((demuxer->movi_end - demuxer->movi_start)*rel_seek_secs); - else - pos = base + (rel_seek_secs*sh_audio->i_bps); - - pos -= (pos % (sh_audio->channels.num * sh_audio->samplesize) ); - stream_seek(s,pos); -// printf("demux_rawaudio: streamtell=%d\n",(int)stream_tell(demuxer->stream)); -} - -const demuxer_desc_t demuxer_desc_rawaudio = { - .name = "rawaudio", - .desc = "Uncompressed audio", - .fill_buffer = demux_rawaudio_fill_buffer, - .open = demux_rawaudio_open, - .seek = demux_rawaudio_seek, -}; |