mirror of
https://github.com/mpv-player/mpv
synced 2025-03-04 21:27:58 +00:00
a0cfaaf615
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2811 b3059339-0415-0410-9bf9-f77b7e298cf2
292 lines
8.3 KiB
C
292 lines
8.3 KiB
C
/*
|
|
TV subsystem for libMPDemux by Alex
|
|
|
|
API idea based on libvo2's
|
|
|
|
UNDER HEAVY DEVELOPEMENT, DO NOT USE! :)
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef USE_TV
|
|
#include "mp_msg.h"
|
|
#include "help_mp.h"
|
|
|
|
#include "stream.h"
|
|
#include "demuxer.h"
|
|
#include "stheader.h"
|
|
#include "tv.h"
|
|
|
|
/* some default values */
|
|
unsigned long tv_param_freq = 0;
|
|
char *tv_param_channel = "0";
|
|
char *tv_param_norm = "pal";
|
|
int tv_param_on = 0;
|
|
char *tv_param_device = NULL;
|
|
char *tv_param_driver = "dummy";
|
|
int tv_param_width = -1;
|
|
int tv_param_height = -1;
|
|
int tv_param_input = 0; /* used in v4l and bttv */
|
|
|
|
|
|
/* ================== DEMUX_TV ===================== */
|
|
/*
|
|
Return value:
|
|
0 = EOF(?) or no stream
|
|
1 = successfully read a packet
|
|
*/
|
|
/* fill demux->video and demux->audio */
|
|
int demux_tv_fill_buffer(demuxer_t *demux, tvi_handle_t *tvh)
|
|
{
|
|
int seq = tvh->seq++;
|
|
demux_stream_t *ds_video = NULL;
|
|
demux_packet_t *dp_video = NULL;
|
|
demux_stream_t *ds_audio = NULL;
|
|
demux_packet_t *dp_audio = NULL;
|
|
int len_video, len_audio;
|
|
|
|
printf("demux_tv_fill_buffer(sequence:%d) called!\n", seq);
|
|
|
|
demux->filepos = -1;
|
|
|
|
// seq++;
|
|
// tvh->seq++;
|
|
|
|
/* ================== ADD VIDEO PACKET =================== */
|
|
len_video = tvh->functions->get_video_framesize(tvh->priv);
|
|
ds_video = demux->video;
|
|
|
|
if (!ds_video->asf_packet)
|
|
{
|
|
/* create new packet */
|
|
dp_video = new_demux_packet(len_video);
|
|
// printf("new dp_video->buffer: %p (%d bytes)\n", dp_video, len_video);
|
|
tvh->functions->grab_video_frame(tvh->priv, dp_video->buffer, len_video);
|
|
dp_video->pos = demux->filepos;
|
|
ds_video->asf_packet = dp_video;
|
|
ds_video->asf_seq = seq;
|
|
}
|
|
else if (ds_video->asf_packet)
|
|
{
|
|
if (ds_video->asf_seq != seq)
|
|
{
|
|
/* close segment, finalize packet */
|
|
ds_add_packet(ds_video, ds_video->asf_packet);
|
|
ds_video->asf_packet = NULL;
|
|
}
|
|
else
|
|
{
|
|
/* append data to segment */
|
|
dp_video = ds_video->asf_packet;
|
|
dp_video->buffer = realloc(dp_video->buffer, dp_video->len+len_video);
|
|
// printf("dp_video->buffer: %p (%d bytes)\n", dp_video, dp_video->len+len_video);
|
|
tvh->functions->grab_video_frame(tvh->priv, dp_video->buffer+dp_video->len, len_video);
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG4, "video data appended %d+%d\n", dp_video->len, len_video);
|
|
dp_video->len += len_video;
|
|
}
|
|
}
|
|
|
|
|
|
/* ================== ADD AUDIO PACKET =================== */
|
|
if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) != TVI_CONTROL_TRUE)
|
|
return 1; /* no audio, only video */
|
|
|
|
len_audio = tvh->functions->get_audio_framesize(tvh->priv);
|
|
ds_audio = demux->audio;
|
|
|
|
if (!ds_audio->asf_packet)
|
|
{
|
|
dp_audio = new_demux_packet(len_audio);
|
|
tvh->functions->grab_audio_frame(tvh->priv, dp_audio->buffer, len_audio);
|
|
dp_audio->pos = demux->filepos;
|
|
ds_audio->asf_packet = dp_audio;
|
|
ds_audio->asf_seq = seq;
|
|
}
|
|
else if (ds_audio->asf_packet)
|
|
{
|
|
if (ds_audio->asf_seq != seq)
|
|
{
|
|
ds_add_packet(ds_audio, ds_audio->asf_packet);
|
|
ds_audio->asf_packet = NULL;
|
|
}
|
|
else
|
|
{
|
|
dp_audio = ds_audio->asf_packet;
|
|
dp_audio->buffer = realloc(dp_audio->buffer, dp_audio->len+len_audio);
|
|
tvh->functions->grab_audio_frame(tvh->priv, dp_audio->buffer+dp_audio->len, len_audio);
|
|
mp_dbg(MSGT_DEMUX,MSGL_DBG4, "audio data appended %d+%d\n", dp_audio->len, len_audio);
|
|
dp_audio->len += len_audio;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int demux_open_tv(demuxer_t *demuxer, tvi_handle_t *tvh)
|
|
{
|
|
sh_video_t *sh_video = NULL;
|
|
sh_audio_t *sh_audio = NULL;
|
|
tvi_functions_t *funcs = tvh->functions;
|
|
|
|
if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
|
|
{
|
|
printf("Error: no video input present!\n");
|
|
return;
|
|
}
|
|
|
|
sh_video = new_sh_video(demuxer, 0);
|
|
|
|
/* hack to use YUV 4:2:0 format ;) */
|
|
sh_video->format = IMGFMT_YV12;
|
|
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &sh_video->format);
|
|
|
|
/* get IMGFMT_ */
|
|
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
|
|
// if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
|
|
sh_video->format = 0x0;
|
|
|
|
/* set FPS and FRAMETIME */
|
|
if(!sh_video->fps)
|
|
{
|
|
if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &sh_video->fps) != TVI_CONTROL_TRUE)
|
|
sh_video->fps = 24.0f;
|
|
}
|
|
sh_video->frametime = 1.0f/sh_video->fps;
|
|
|
|
/* set width */
|
|
if (tv_param_width != -1)
|
|
{
|
|
if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tv_param_width) == TVI_CONTROL_TRUE)
|
|
{
|
|
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tv_param_width);
|
|
sh_video->disp_w = tv_param_width;
|
|
}
|
|
else
|
|
{
|
|
printf("Unable set requested width: %d\n", tv_param_width);
|
|
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
|
|
tv_param_width = sh_video->disp_w;
|
|
}
|
|
}
|
|
else
|
|
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
|
|
|
|
/* set height */
|
|
if (tv_param_height != -1)
|
|
{
|
|
if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tv_param_height) == TVI_CONTROL_TRUE)
|
|
{
|
|
funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tv_param_height);
|
|
sh_video->disp_h = tv_param_height;
|
|
}
|
|
else
|
|
{
|
|
printf("Unable set requested height: %d\n", tv_param_height);
|
|
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
|
|
tv_param_height = sh_video->disp_h;
|
|
}
|
|
}
|
|
else
|
|
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
|
|
|
|
printf("Output size: %dx%d\n", sh_video->disp_w, sh_video->disp_h);
|
|
|
|
demuxer->video->sh = sh_video;
|
|
sh_video->ds = demuxer->video;
|
|
demuxer->video->id = 0;
|
|
|
|
/* here comes audio init */
|
|
if (funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
|
|
{
|
|
int audio_format;
|
|
|
|
sh_audio = new_sh_audio(demuxer, 0);
|
|
|
|
sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
|
|
memset(sh_audio->wf, 0, sizeof(WAVEFORMATEX));
|
|
|
|
/* yeah, audio is present */
|
|
if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
|
|
goto no_audio;
|
|
switch(audio_format)
|
|
{
|
|
case AFMT_U8:
|
|
case AFMT_S8:
|
|
case AFMT_U16_LE:
|
|
case AFMT_U16_BE:
|
|
case AFMT_S16_LE:
|
|
case AFMT_S16_BE:
|
|
case AFMT_S32_LE:
|
|
case AFMT_S32_BE:
|
|
sh_audio->format = 0x1; /* PCM */
|
|
break;
|
|
case AFMT_IMA_ADPCM:
|
|
case AFMT_MU_LAW:
|
|
case AFMT_A_LAW:
|
|
case AFMT_MPEG:
|
|
case AFMT_AC3:
|
|
default:
|
|
printf("%s unsupported!\n", audio_out_format_name(audio_format));
|
|
goto no_audio;
|
|
}
|
|
|
|
funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS, &sh_audio->wf->nChannels);
|
|
funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE, &sh_audio->wf->nSamplesPerSec);
|
|
funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE, &sh_audio->wf->nAvgBytesPerSec);
|
|
|
|
demuxer->audio->sh = sh_audio;
|
|
sh_audio->ds = demuxer->audio;
|
|
demuxer->audio->id = 0;
|
|
}
|
|
no_audio:
|
|
|
|
/* set some params got from cmdline */
|
|
funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tv_param_input);
|
|
|
|
/* set freq in MHz - change this to float ! */
|
|
funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &tv_param_freq);
|
|
|
|
funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &tv_param_freq);
|
|
printf("freq: %lu\n", tv_param_freq);
|
|
|
|
/* also start device! */
|
|
funcs->start(tvh->priv);
|
|
}
|
|
|
|
/* ================== STREAM_TV ===================== */
|
|
tvi_handle_t *tv_begin(void)
|
|
{
|
|
if (!strcmp(tv_param_driver, "dummy"))
|
|
return (tvi_handle_t *)tvi_init_dummy(tv_param_device);
|
|
if (!strcmp(tv_param_driver, "v4l"))
|
|
return (tvi_handle_t *)tvi_init_v4l(tv_param_device);
|
|
|
|
mp_msg(MSGT_TV, MSGL_ERR, "No such driver: %s\n", tv_param_driver);
|
|
return(NULL);
|
|
}
|
|
|
|
int tv_init(tvi_handle_t *tvh)
|
|
{
|
|
tvi_param_t *params;
|
|
|
|
printf("Selected driver: %s\n", tvh->info->short_name);
|
|
printf(" name: %s\n", tvh->info->name);
|
|
printf(" author: %s\n", tvh->info->author);
|
|
if (tvh->info->comment)
|
|
printf(" comment: %s\n", tvh->info->comment);
|
|
|
|
params = malloc(sizeof(tvi_param_t)*2);
|
|
params[0].opt = malloc(strlen("input"));
|
|
sprintf((char *)params[0].opt, "input");
|
|
params[0].value = malloc(sizeof(int));
|
|
(int)*(void **)params[0].value = tv_param_input;
|
|
params[1].opt = params[1].value = NULL;
|
|
|
|
return tvh->functions->init(tvh->priv, params);
|
|
}
|
|
#endif /* USE_TV */
|