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generic/cVideo: implement setAspectRatio / setVideoSystem

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This commit is contained in:
Stefan Seyfried
2013-05-05 18:45:05 +02:00
parent 7c00b1d46b
commit 4cb2f75305
2 changed files with 63 additions and 3 deletions
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60
generic-pc/video.cpp
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@@ -40,17 +40,28 @@ extern "C" {
#include "video_lib.h"
#include "dmx_lib.h"
#include "glfb.h"
#include "lt_debug.h"
#define lt_debug(args...) _lt_debug(TRIPLE_DEBUG_VIDEO, this, args)
#define lt_info(args...) _lt_info(TRIPLE_DEBUG_VIDEO, this, args)
cVideo *videoDecoder = NULL;
extern cDemux *videoDemux;
extern GLFramebuffer *glfb;
int system_rev = 0;
static uint8_t *dmxbuf;
static int bufpos;
static const AVRational aspect_ratios[6] = {
{ 1, 1 },
{ 4, 3 },
{ 14, 9 },
{ 16, 9 },
{ 20, 9 },
{ -1,-1 }
};
cVideo::cVideo(int, void *, void *)
{
lt_debug("%s\n", __func__);
@@ -63,6 +74,8 @@ cVideo::cVideo(int, void *, void *)
buf_num = 0;
buf_in = 0;
buf_out = 0;
display_aspect = DISPLAY_AR_16_9;
display_crop = DISPLAY_AR_MODE_LETTERBOX;
v_format = VIDEO_FORMAT_MPEG2;
}
@@ -73,8 +86,15 @@ cVideo::~cVideo(void)
videoDecoder = NULL;
}
int cVideo::setAspectRatio(int, int)
int cVideo::setAspectRatio(int vformat, int cropping)
{
lt_info("%s(%d, %d)\n", __func__, vformat, cropping);
if (vformat >= 0)
display_aspect = (DISPLAY_AR) vformat;
if (cropping >= 0)
display_crop = (DISPLAY_AR_MODE) cropping;
if (display_aspect < DISPLAY_AR_RAW) /* don't know what to do with this */
glfb->setOutputFormat(aspect_ratios[display_aspect], output_h, display_crop);
return 0;
}
@@ -137,8 +157,43 @@ int cVideo::setBlank(int)
return 1;
}
int cVideo::SetVideoSystem(int, bool)
int cVideo::SetVideoSystem(int system, bool)
{
int h;
switch(system)
{
case VIDEO_STD_NTSC:
case VIDEO_STD_480P:
h = 480;
break;
case VIDEO_STD_1080I60:
case VIDEO_STD_1080I50:
case VIDEO_STD_1080P30:
case VIDEO_STD_1080P24:
case VIDEO_STD_1080P25:
case VIDEO_STD_1080P50:
h = 1080;
break;
case VIDEO_STD_720P50:
case VIDEO_STD_720P60:
h = 720;
break;
case VIDEO_STD_AUTO:
lt_info("%s: VIDEO_STD_AUTO not implemented\n", __func__);
// fallthrough
case VIDEO_STD_SECAM:
case VIDEO_STD_PAL:
case VIDEO_STD_576P:
h = 576;
break;
default:
lt_info("%s: unhandled value %d\n", __func__, system);
return 0;
}
v_std = (VIDEO_STD) system;
output_h = h;
if (display_aspect < DISPLAY_AR_RAW) /* don't know what to do with this */
glfb->setOutputFormat(aspect_ratios[display_aspect], output_h, display_crop);
return 0;
}
@@ -334,7 +389,6 @@ void cVideo::run(void)
sws_scale(convert, frame->data, frame->linesize, 0, c->height,
rgbframe->data, rgbframe->linesize);
sws_freeContext(convert);
// TODO: locking needed!
if (dec_w != c->width || dec_h != c->height) {
lt_info("%s: pic changed %dx%d -> %dx%d\n", __func__,
dec_w, dec_h, c->width, c->height);

6
generic-pc/video_lib.h
View File

@@ -6,7 +6,9 @@
#include <vector>
#include <linux/dvb/video.h>
#include "../common/cs_types.h"
extern "C" {
#include <libavutil/rational.h>
}
typedef enum {
ANALOG_SD_RGB_CINCH = 0x00,
@@ -197,7 +199,11 @@ class cVideo : public OpenThreads::Thread
bool w_h_changed;
bool thread_running;
VIDEO_FORMAT v_format;
VIDEO_STD v_std;
OpenThreads::Mutex buf_m;
DISPLAY_AR display_aspect;
DISPLAY_AR_MODE display_crop;
int output_h;
};
#endif