mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 16:33:02 +00:00
463845e0db
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5604 b3059339-0415-0410-9bf9-f77b7e298cf2
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "config.h"
|
|
#include "ad_internal.h"
|
|
#include "roqav.h"
|
|
|
|
static ad_info_t info =
|
|
{
|
|
"Id RoQ File Audio Decoder",
|
|
"roqaudio",
|
|
AFM_ROQAUDIO,
|
|
"Nick Kurshev",
|
|
"Mike Melanson"
|
|
"RoQA is an internal MPlayer FOURCC"
|
|
};
|
|
|
|
LIBAD_EXTERN(roqaudio)
|
|
|
|
static int preinit(sh_audio_t *sh_audio)
|
|
{
|
|
// minsize was stored in wf->nBlockAlign by the RoQ demuxer
|
|
sh_audio->audio_out_minsize=sh_audio->wf->nBlockAlign;
|
|
sh_audio->audio_in_minsize=sh_audio->audio_out_minsize / 2; // FIXME?
|
|
sh_audio->context = roq_decode_audio_init();
|
|
return 1;
|
|
}
|
|
|
|
static int init(sh_audio_t *sh_audio)
|
|
{
|
|
sh_audio->channels=sh_audio->wf->nChannels;
|
|
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
|
|
sh_audio->i_bps = 44100;
|
|
return 1;
|
|
}
|
|
|
|
static void uninit(sh_audio_t *sh_audio)
|
|
{
|
|
}
|
|
|
|
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
|
|
{
|
|
// TODO!!!
|
|
return CONTROL_UNKNOWN;
|
|
}
|
|
|
|
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
|
|
{
|
|
unsigned char header_data[6];
|
|
int read_len;
|
|
|
|
/* figure out how much data to read */
|
|
if (demux_read_data(sh_audio->ds, header_data, 6) != 6) return -1; /* EOF */
|
|
read_len = (header_data[5] << 24) | (header_data[4] << 16) |
|
|
(header_data[3] << 8) | header_data[2];
|
|
read_len += 2; /* 16-bit arguments */
|
|
if (demux_read_data(sh_audio->ds, sh_audio->a_in_buffer, read_len) !=
|
|
read_len) return -1;
|
|
return 2 * roq_decode_audio((unsigned short *)buf, sh_audio->a_in_buffer,
|
|
read_len, sh_audio->channels, sh_audio->context);
|
|
}
|