mirrors/libstb-hal
1
0
Fork 0
mirror of https://github.com/tuxbox-neutrino/libstb-hal.git synced 2025-08-27 07:23:11 +02:00
Code Issues Packages Projects Releases Wiki Activity

generic-pc: add alternative clutter based framebuffer

Browse Source 
Add a framebuffer implementation based on clutter instead of "raw"
OpenGL. The performance is slightly worse, but it might bring some
platform abstraction and other benefits for the future.
This commit is contained in:
Stefan Seyfried
2016-10-30 13:08:34 +01:00
committed by Thilo Graf
parent 9a5bc535b4
commit c8c7f0c45f
6 changed files with 553 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
generic-pc/video.cpp
View File

@@ -23,6 +23,7 @@
* TODO: buffer handling surely needs some locking...
*/
#include "config.h"
#include <unistd.h>
#include <cstring>
#include <cstdio>
@@ -39,6 +40,13 @@ extern "C" {
/* my own buf 256k */
#define DMX_BUF_SZ 0x20000
#if USE_OPENGL
#define VDEC_PIXFMT AV_PIX_FMT_RGB32
#endif
#if USE_CLUTTER
#define VDEC_PIXFMT AV_PIX_FMT_BGR24
#endif
#include "video_lib.h"
#include "dmx_hal.h"
#include "glfb.h"
@@ -294,9 +302,9 @@ void cVideo::ShowPicture(const char *fname)
if (avpkt.size > len)
lt_info("%s: WARN: pkt->size %d != len %d\n", __func__, avpkt.size, len);
if (got_frame) {
unsigned int need = av_image_get_buffer_size(AV_PIX_FMT_RGB32, c->width, c->height, 1);
unsigned int need = av_image_get_buffer_size(VDEC_PIXFMT, c->width, c->height, 1);
struct SwsContext *convert = sws_getContext(c->width, c->height, c->pix_fmt,
c->width, c->height, AV_PIX_FMT_RGB32,
c->width, c->height, VDEC_PIXFMT,
SWS_BICUBIC, 0, 0, 0);
if (!convert)
lt_info("%s: ERROR setting up SWS context\n", __func__);
@@ -305,7 +313,7 @@ void cVideo::ShowPicture(const char *fname)
SWFramebuffer *f = &buffers[buf_in];
if (f->size() < need)
f->resize(need);
av_image_fill_arrays(rgbframe->data, rgbframe->linesize, &(*f)[0], AV_PIX_FMT_RGB32,
av_image_fill_arrays(rgbframe->data, rgbframe->linesize, &(*f)[0], VDEC_PIXFMT,
c->width, c->height, 1);
sws_scale(convert, frame->data, frame->linesize, 0, c->height,
rgbframe->data, rgbframe->linesize);
@@ -538,10 +546,10 @@ void cVideo::run(void)
lt_info("%s: WARN: pkt->size %d != len %d\n", __func__, avpkt.size, len);
still_m.lock();
if (got_frame && ! stillpicture) {
unsigned int need = av_image_get_buffer_size(AV_PIX_FMT_RGB32, c->width, c->height, 1);
unsigned int need = av_image_get_buffer_size(VDEC_PIXFMT, c->width, c->height, 1);
convert = sws_getCachedContext(convert,
c->width, c->height, c->pix_fmt,
c->width, c->height, AV_PIX_FMT_RGB32,
c->width, c->height, VDEC_PIXFMT,
SWS_BICUBIC, 0, 0, 0);
if (!convert)
lt_info("%s: ERROR setting up SWS context\n", __func__);
@@ -550,7 +558,7 @@ void cVideo::run(void)
SWFramebuffer *f = &buffers[buf_in];
if (f->size() < need)
f->resize(need);
av_image_fill_arrays(rgbframe->data, rgbframe->linesize, &(*f)[0], AV_PIX_FMT_RGB32,
av_image_fill_arrays(rgbframe->data, rgbframe->linesize, &(*f)[0], VDEC_PIXFMT,
c->width, c->height, 1);
sws_scale(convert, frame->data, frame->linesize, 0, c->height,
rgbframe->data, rgbframe->linesize);