diff options
Diffstat (limited to 'libmpcodecs/ad_ra1428.c')
-rw-r--r-- | libmpcodecs/ad_ra1428.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/libmpcodecs/ad_ra1428.c b/libmpcodecs/ad_ra1428.c deleted file mode 100644 index 0c75c17e88..0000000000 --- a/libmpcodecs/ad_ra1428.c +++ /dev/null @@ -1,147 +0,0 @@ -// SAMPLE audio decoder - you can use this file as template when creating new codec! - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - -#include "config.h" -#include "ad_internal.h" - -static ad_info_t info = { - "RealAudio 1.0 and 2.0 native decoder", - "ra1428", - "Roberto Togni", - "http://www.honeypot.net/audio", - "Decoders taken from a public domain Amiga player" -}; - -LIBAD_EXTERN(ra1428) - -#include "native/common1428.h" - - - -static int preinit(sh_audio_t *sh) { - sh->samplerate=sh->wf->nSamplesPerSec; - sh->samplesize=sh->wf->wBitsPerSample/8; - sh->channels=sh->wf->nChannels; - sh->sample_format=AF_FORMAT_S16_LE; - - switch (sh->format) { - case mmioFOURCC('1','4','_','4'): - mp_msg(MSGT_DECAUDIO,MSGL_INFO,"[ra1428] RealAudio 1.0 (14_4)\n"); - sh->i_bps=1800; - break; - case mmioFOURCC('2','8','_','8'): - mp_msg(MSGT_DECAUDIO,MSGL_INFO,"[ra1428] RealAudio 2.0 (28_8)\n"); - sh->i_bps=1200; - break; - default: - mp_msg(MSGT_DECAUDIO,MSGL_ERR,"[ra1428] Unhandled format in preinit: %x\n", sh->format); - return 0; - } - - sh->audio_out_minsize=128000; // no idea how to get... :( - sh->audio_in_minsize=((short*)(sh->wf+1))[1]*sh->wf->nBlockAlign; - - return 1; // return values: 1=OK 0=ERROR -} - - - -static int init(sh_audio_t *sh) { - switch (sh->format) { - case mmioFOURCC('1','4','_','4'): - sh->context = init_144(); - break; - case mmioFOURCC('2','8','_','8'): - sh->context = init_288(); - break; - default: - mp_msg(MSGT_DECAUDIO,MSGL_ERR,"[ra1428] Unhandled format in init: %x\n", sh->format); - return 0; - } - - return 1; // return values: 1=OK 0=ERROR -} - - - -static void uninit(sh_audio_t *sh) { - switch (sh->format) { - case mmioFOURCC('1','4','_','4'): - free_144((Real_144*)sh->context); - break; - case mmioFOURCC('2','8','_','8'): - free_288((Real_288*)sh->context); - break; - default: - mp_msg(MSGT_DECAUDIO,MSGL_ERR,"[ra1428] Unhandled format in uninit: %x\n", sh->format); - return; - } -} - - - -static int decode_audio(sh_audio_t *sh,unsigned char *buf,int minlen,int maxlen) { - int w=sh->wf->nBlockAlign; - int h=((short*)(sh->wf+1))[1]; - int cfs=((short*)(sh->wf+1))[3]; - int i,j; - - if(sh->a_in_buffer_len<=0){ - switch (sh->format) { - case mmioFOURCC('1','4','_','4'): - demux_read_data(sh->ds, sh->a_in_buffer, sh->wf->nBlockAlign); - sh->a_in_buffer_size= - sh->a_in_buffer_len=sh->wf->nBlockAlign; - break; - case mmioFOURCC('2','8','_','8'): - for (j = 0; j < h; j++) - for (i = 0; i < h/2; i++) - demux_read_data(sh->ds, sh->a_in_buffer+i*2*w+j*cfs, cfs); - sh->a_in_buffer_size= - sh->a_in_buffer_len=sh->wf->nBlockAlign*h; - break; - default: - mp_msg(MSGT_DECAUDIO,MSGL_ERR,"[ra1428] Unhandled format in decode_audio: %x\n", sh->format); - return 0; - } - } - - switch (sh->format) { - case mmioFOURCC('1','4','_','4'): - decode_144((Real_144*)sh->context,sh->a_in_buffer+sh->a_in_buffer_size-sh->a_in_buffer_len,(signed short*)buf); - break; - case mmioFOURCC('2','8','_','8'): - decode_288((Real_288*)sh->context,sh->a_in_buffer+sh->a_in_buffer_size-sh->a_in_buffer_len,(signed short*)buf); - break; - default: - mp_msg(MSGT_DECAUDIO,MSGL_ERR,"[ra1428] Unhandled format in init: %x\n", sh->format); - return 0; - } - - sh->a_in_buffer_len-=cfs; - - return AUDIOBLOCK*2; // return value: number of _bytes_ written to output buffer, - // or -1 for EOF (or uncorrectable error) -} - -static int control(sh_audio_t *sh,int cmd,void* arg, ...){ - // various optional functions you MAY implement: - switch(cmd){ - case ADCTRL_RESYNC_STREAM: - // it is called once after seeking, to resync. - // Note: sh_audio->a_in_buffer_len=0; is done _before_ this call! -// ... - return CONTROL_TRUE; - case ADCTRL_SKIP_FRAME: - // it is called to skip (jump over) small amount (1/10 sec or 1 frame) - // of audio data - used to sync audio to video after seeking - // if you don't return CONTROL_TRUE, it will defaults to: - // ds_fill_buffer(sh_audio->ds); // skip 1 demux packet -// ... - return CONTROL_TRUE; - } - return CONTROL_UNKNOWN; -} |