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raze-gles/polymer/eduke32/source/animvpx.c

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/* ANM file replacement with VP8 video */
#ifdef USE_LIBVPX
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
#include <stdint.h>
#include "compat.h"
#include "baselayer.h"
#include "build.h"
#include "glbuild.h"
#include "duke3d.h"
#include "game.h" // kopen4loadfrommod
#undef UNUSED
#define VPX_CODEC_DISABLE_COMPAT 1
#include <vpx/vpx_decoder.h>
#include <vpx/vp8dx.h>
#include "animvpx.h"
const char *animvpx_read_ivf_header_errmsg[] = {
"All OK",
"couldn't read 32-byte IVF header",
"magic mismatch, not an IVF file",
"unrecognized IVF version, expected 0",
"only VP8 video stream supported",
"invalid framerate numerator or denominator after correction, must not be 0",
};
EDUKE32_STATIC_ASSERT(sizeof(animvpx_ivf_header_t) == 32);
int32_t animvpx_read_ivf_header(int32_t inhandle, animvpx_ivf_header_t *hdr)
{
int32_t err;
if (kread(inhandle, hdr, sizeof(animvpx_ivf_header_t)) != sizeof(animvpx_ivf_header_t))
return 1; // "couldn't read header"
err = animvpx_check_header(hdr);
if (err)
return err;
hdr->hdrlen = B_LITTLE16(hdr->hdrlen);
hdr->width = B_LITTLE16(hdr->width);
hdr->height = B_LITTLE16(hdr->height);
hdr->fpsnumer = B_LITTLE16(hdr->fpsnumer);
hdr->fpsdenom = B_LITTLE16(hdr->fpsdenom);
hdr->numframes = B_LITTLE32(hdr->numframes);
// the rest is based on vpxdec.c --> file_is_ivf()
if (hdr->fpsnumer < 1000)
{
// NOTE: We got rid of the 1/(2*fps) correction from libvpx's vpxdec.c,
// users are encouraged to use the "ivfrate" utility from the source/
// directory instead.
if (hdr->fpsdenom==0 || hdr->fpsnumer==0)
return 5; // "invalid framerate numerator or denominator"
initprintf("animvpx: rate is %d frames / %d seconds (%.03f fps).\n",
hdr->fpsnumer, hdr->fpsdenom, (double)hdr->fpsnumer/hdr->fpsdenom);
}
else
{
double fps = (hdr->fpsdenom==0) ? 0.0 : (double)hdr->fpsnumer/hdr->fpsdenom;
initprintf("animvpx: set rate to 30 fps (header says %d frames / %d seconds = %.03f fps).\n",
hdr->fpsnumer, hdr->fpsdenom, fps);
/* Don't know FPS for sure, and don't have readahead code
* (yet?), so just default to 30fps.
*/
hdr->fpsnumer = 30;
hdr->fpsdenom = 1;
}
return 0;
}
////////// CODEC STUFF //////////
static void get_codec_error(animvpx_codec_ctx *codec)
{
codec->errmsg_detail = vpx_codec_error_detail(&codec->codec);
codec->errmsg = vpx_codec_error(&codec->codec);
}
// no checks for double-init!
int32_t animvpx_init_codec(const animvpx_ivf_header_t *info, int32_t inhandle, animvpx_codec_ctx *codec)
{
vpx_codec_dec_cfg_t cfg;
cfg.threads = 1;
cfg.w = info->width;
cfg.h = info->height;
codec->width = info->width;
codec->height = info->height;
//
codec->inhandle = inhandle;
codec->pic = (uint8_t *)Bcalloc(info->width*info->height,4);
codec->compbuflen = codec->compbufallocsiz = 0;
codec->compbuf = NULL;
codec->iter = NULL;
if (codec->pic == NULL)
{
codec->initstate = -1;
return 1;
}
if (vpx_codec_dec_init(&codec->codec, &vpx_codec_vp8_dx_algo, &cfg, 0))
{
get_codec_error(codec);
codec->initstate = -1;
return 1;
}
codec->initstate = 1;
codec->decstate = 0;
codec->errmsg_detail = codec->errmsg = NULL;
codec->numframes = 0;
Bmemset(codec->sumtimes, 0, sizeof(codec->sumtimes));
Bmemset(codec->maxtimes, 0, sizeof(codec->maxtimes));
return 0;
}
int32_t animvpx_uninit_codec(animvpx_codec_ctx *codec)
{
if (codec->initstate <= 0)
return 2;
DO_FREE_AND_NULL(codec->pic);
if (vpx_codec_destroy(&codec->codec))
{
get_codec_error(codec);
codec->initstate = -2;
return 1;
}
codec->initstate = 0;
return 0;
}
////////// FRAME RETRIEVAL //////////
// read one IVF/VP8 frame, which may code multiple "picture-frames"
static int32_t animvpx_read_frame(int32_t inhandle, uint8_t **bufptr, uint32_t *bufsizptr, uint32_t *bufallocsizptr)
{
#pragma pack(push,1)
struct { uint32_t framesiz; uint64_t timestamp; } hdr;
#pragma pack(pop)
if (kread(inhandle, &hdr, sizeof(hdr)) != sizeof(hdr))
return 1;
if (hdr.framesiz == 0)
return 6; // must be 6, see animvpx_nextpic_errmsg[]
// OSD_Printf("frame size: %u\n", hdr.framesiz);
if (!*bufptr)
{
*bufptr = (uint8_t *)Bmalloc(hdr.framesiz);
if (!*bufptr)
return 2;
*bufallocsizptr = hdr.framesiz;
}
else if (*bufallocsizptr < hdr.framesiz)
{
*bufptr = (uint8_t *)Brealloc(*bufptr, hdr.framesiz);
if (!*bufptr)
return 2;
*bufallocsizptr = hdr.framesiz;
}
*bufsizptr = hdr.framesiz;
if (kread(inhandle, *bufptr, hdr.framesiz) != (signed)hdr.framesiz)
return 3;
return 0;
}
const char *animvpx_nextpic_errmsg[] = {
"All OK",
"INTERNAL ERROR, animvpx_codec_ctx not initalized!",
"OUT OF MEMORY",
"couldn't read whole frame",
"decoder error, couldn't decode frame",
"picture dimension mismatch",
"INTERNAL ERROR: read 0 frame length",
"Failed getting corruption status (VP8D_GET_FRAME_CORRUPTED)"
};
// retrieves one picture-frame from the stream
// pic format: lines of [Y U V 0] pixels
// *picptr==NULL means EOF has been reached
#ifdef DEBUGGINGAIDS
ATTRIBUTE_OPTIMIZE("O1")
#else
ATTRIBUTE_OPTIMIZE("O3")
#endif
int32_t animvpx_nextpic(animvpx_codec_ctx *codec, uint8_t **picptr)
{
int32_t ret, corrupted;
vpx_image_t *img;
int32_t t[3];
if (codec->initstate <= 0) // not inited or error
return 1;
t[0] = getticks();
if (codec->decstate == 0) // first time / begin
{
read_ivf_frame:
corrupted = 0;
ret = animvpx_read_frame(codec->inhandle, &codec->compbuf, &codec->compbuflen,
&codec->compbufallocsiz);
if (ret == 1)
{
// reached EOF
*picptr = NULL;
codec->decstate = 2;
return 0;
}
else if (ret == 2 || ret == 3 || ret == 6)
{
*picptr = NULL;
codec->decstate = -1;
return ret;
}
// ^^^ keep in sync with all animvpx_read_frame() errors!
// codec->compbuf now contains one IVF/VP8 frame
codec->decstate = 1;
// decode it!
if (vpx_codec_decode(&codec->codec, codec->compbuf, codec->compbuflen, NULL, 0))
{
get_codec_error(codec);
codec->decstate = -2;
return 4;
}
// Compilation fix for Debian 6.0 (squeeze), which doesn't have
// VP8D_GET_FRAME_CORRUPTED.
// LibVPX doesn't seem to have a version #define, so we use the
// following one to determine conditional compilation.
#ifdef VPX_CODEC_CAP_ERROR_CONCEALMENT
if (vpx_codec_control(&codec->codec, VP8D_GET_FRAME_CORRUPTED, &corrupted))
{
get_codec_error(codec);
codec->decstate = -2;
return 7;
}
#endif
if (corrupted)
OSD_Printf("warning: corrupted frame!\n");
}
img = vpx_codec_get_frame(&codec->codec, &codec->iter);
if (img == NULL)
{
codec->iter = NULL; // !
goto read_ivf_frame;
}
if (img->d_w != codec->width || img->d_h != codec->height)
{
codec->decstate = -1;
return 5;
}
t[1] = getticks();
uint8_t *const dstpic = codec->pic;
uint8_t const *const yplane = img->planes[VPX_PLANE_Y];
uint8_t const *const uplane = img->planes[VPX_PLANE_U];
uint8_t const *const vplane = img->planes[VPX_PLANE_V];
const int32_t ystride = img->stride[VPX_PLANE_Y];
const int32_t ustride = img->stride[VPX_PLANE_U];
const int32_t vstride = img->stride[VPX_PLANE_V];
if (glinfo.glsl) /*** 3 planes --> packed conversion ***/
{
vec2u_t const dim = { img->d_w, img->d_h };
for (unsigned int y = 0; y < dim.y; y += 2)
{
unsigned int const y1 = y + 1;
unsigned int const wy = dim.x * y;
unsigned int const wy1 = dim.x * y1;
for (unsigned int x = 0; x < dim.x; x += 2)
{
uint8_t u = uplane[ustride * (y >> 1) + (x >> 1)];
uint8_t v = vplane[vstride * (y >> 1) + (x >> 1)];
dstpic[(wy + x) << 2] = yplane[ystride * y + x];
dstpic[(wy + x + 1) << 2] = yplane[ystride * y + x + 1];
dstpic[(wy1 + x) << 2] = yplane[ystride * y1 + x];
dstpic[(wy1 + x + 1) << 2] = yplane[ystride * y1 + x + 1];
dstpic[((wy + x) << 2) + 1] = u;
dstpic[((wy + x + 1) << 2) + 1] = u;
dstpic[((wy1 + x) << 2) + 1] = u;
dstpic[((wy1 + x + 1) << 2) + 1] = u;
dstpic[((wy + x) << 2) + 2] = v;
dstpic[((wy + x + 1) << 2) + 2] = v;
dstpic[((wy1 + x) << 2) + 2] = v;
dstpic[((wy1 + x + 1) << 2) + 2] = v;
}
}
}
else /*** 3 planes --> packed conversion (RGB) ***/
{
int i = 0;
for (unsigned int imgY = 0; imgY < img->d_h; imgY++)
{
for (unsigned int imgX = 0; imgX < img->d_w; imgX++)
{
uint8_t const y = yplane[imgY * ystride + imgX];
uint8_t const u = uplane[(imgY >> 1) * ustride + (imgX >> 1)];
uint8_t const v = vplane[(imgY >> 1) * vstride + (imgX >> 1)];
int const c = y - 16;
int const d = (u + -128);
int const e = (v + -128);
int const c298 = c * 298;
dstpic[i + 0] = (uint8_t)clamp((c298 + 409 * e - -128) >> 8, 0, 255);
dstpic[i + 1] = (uint8_t)clamp((c298 - 100 * d - 208 * e - -128) >> 8, 0, 255);
dstpic[i + 2] = (uint8_t)clamp((c298 + 516 * d - -128) >> 8, 0, 255);
i += 3;
}
}
}
t[2] = getticks();
codec->sumtimes[0] += t[1]-t[0];
codec->sumtimes[1] += t[2]-t[1];
codec->maxtimes[0] = max(codec->maxtimes[0], t[1]-t[0]);
codec->maxtimes[1] = max(codec->maxtimes[0], t[2]-t[1]);
*picptr = codec->pic;
return 0;
}
/////////////// DRAWING! ///////////////
static GLuint texname = 0;
static int32_t texuploaded;
#ifdef USE_GLEXT
// YUV->RGB conversion fragment shader adapted from
// http://www.fourcc.org/fccyvrgb.php: "Want some sample code?"
// direct link: http://www.fourcc.org/source/YUV420P-OpenGL-GLSLang.c
static const char *fragprog_src =
"#version 120\n"
"uniform sampler2D tex;\n"
"void main(void) {\n"
" float r,g,b,y,u,v;\n"
" vec3 yuv;\n"
" yuv = texture2D(tex, gl_TexCoord[0].st).rgb;\n"
" y = yuv.r;\n"
" u = yuv.g;\n"
" v = yuv.b;\n"
" y = 1.1643*(y-0.0625);\n"
" u = u-0.5;\n"
" v = v-0.5;\n"
" r = y + 1.5958*v;\n"
" g = y - 0.39173*u - 0.81290*v;\n"
" b = y + 2.017*u;\n"
" gl_FragColor = vec4(r,g,b,1.0);\n"
"}\n";
#endif
void animvpx_setup_glstate(void)
{
#ifdef USE_GLEXT
if (glinfo.glsl)
{
GLint gli;
GLhandleARB FSHandle, PHandle;
static char logbuf[512];
// first, compile the fragment shader
/* Set up program objects. */
PHandle = bglCreateProgramObjectARB();
FSHandle = bglCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB);
/* Compile the shader. */
bglShaderSourceARB(FSHandle, 1, (const GLcharARB **)&fragprog_src, NULL);
bglCompileShaderARB(FSHandle);
/* Print the compilation log. */
bglGetObjectParameterivARB(FSHandle, GL_OBJECT_COMPILE_STATUS_ARB, &gli);
bglGetInfoLogARB(FSHandle, sizeof(logbuf), NULL, logbuf);
if (logbuf[0])
OSD_Printf("animvpx compile log: %s\n", logbuf);
/* Create a complete program object. */
bglAttachObjectARB(PHandle, FSHandle);
bglLinkProgramARB(PHandle);
/* And print the link log. */
bglGetInfoLogARB(PHandle, sizeof(logbuf), NULL, logbuf);
if (logbuf[0])
OSD_Printf("animvpx link log: %s\n", logbuf);
/* Finally, use the program. */
bglUseProgramObjectARB(PHandle);
}
#endif
////////// GL STATE //////////
//Force fullscreen (glox1=-1 forces it to restore afterwards)
bglViewport(0,0,xdim,ydim); glox1 = -1;
bglMatrixMode(GL_MODELVIEW);
bglLoadIdentity();
bglMatrixMode(GL_PROJECTION);
bglLoadIdentity();
bglMatrixMode(GL_TEXTURE);
bglLoadIdentity();
// bglPushAttrib(GL_ENABLE_BIT);
bglDisable(GL_ALPHA_TEST);
bglDisable(GL_DEPTH_TEST);
bglDisable(GL_BLEND);
bglDisable(GL_CULL_FACE);
bglEnable(GL_TEXTURE_2D);
#ifdef USE_GLEXT
bglActiveTextureARB(GL_TEXTURE0_ARB);
#endif
bglGenTextures(1, &texname);
bglBindTexture(GL_TEXTURE_2D, texname);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, glinfo.clamptoedge?GL_CLAMP_TO_EDGE:GL_CLAMP);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, glinfo.clamptoedge?GL_CLAMP_TO_EDGE:GL_CLAMP);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
bglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
texuploaded = 0;
////////////////////
bglClearColor(0.0,0.0,0.0,1.0);
bglClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
}
void animvpx_restore_glstate(void)
{
#ifdef USE_GLEXT
if (glinfo.glsl)
bglUseProgramObjectARB(0);
#endif
// bglPopAttrib();
bglDeleteTextures(1, &texname);
texname = 0;
texuploaded = 0;
}
int32_t animvpx_render_frame(animvpx_codec_ctx *codec)
{
int32_t t = getticks();
if (codec->initstate <= 0) // not inited or error
return 1;
if (codec->pic == NULL)
return 2; // shouldn't happen
int fmt = glinfo.glsl ? GL_RGBA : GL_RGB;
if (!texuploaded)
{
bglTexImage2D(GL_TEXTURE_2D, 0, fmt, codec->width,codec->height,
0, fmt, GL_UNSIGNED_BYTE, codec->pic);
if (bglGetError() != GL_NO_ERROR) return 1;
texuploaded = 1;
}
else
{
bglTexSubImage2D(GL_TEXTURE_2D, 0, 0,0, codec->width,codec->height,
fmt, GL_UNSIGNED_BYTE, codec->pic);
if (bglGetError() != GL_NO_ERROR) return 1;
}
float vid_wbyh = ((float)codec->width)/codec->height;
float scr_wbyh = ((float)xdim)/ydim;
float x=1.0, y=1.0;
#if 1
// aspect correction by pillarboxing/letterboxing
// TODO: fullscreen? can't assume square pixels there
if (vid_wbyh != scr_wbyh)
{
if (vid_wbyh < scr_wbyh)
x = vid_wbyh/scr_wbyh;
else
y = scr_wbyh/vid_wbyh;
}
#endif
bglBegin(GL_QUADS);
if (!glinfo.glsl)
bglColor3f(1.0, 1.0, 1.0);
bglTexCoord2f(0.0,1.0);
bglVertex3f(-x, -y, 0.0);
bglTexCoord2f(0.0,0.0);
bglVertex3f(-x, y, 0.0);
bglTexCoord2f(1.0,0.0);
bglVertex3f(x, y, 0.0);
bglTexCoord2f(1.0,1.0);
bglVertex3f(x, -y, 0.0);
bglEnd();
t = getticks()-t;
codec->sumtimes[2] += t;
codec->maxtimes[2] = max(codec->maxtimes[2], t);
codec->numframes++;
return 0;
}
void animvpx_print_stats(const animvpx_codec_ctx *codec)
{
if (codec->numframes != 0)
{
const int32_t *s = codec->sumtimes;
const int32_t *m = codec->maxtimes;
int32_t n = codec->numframes;
if (glinfo.glsl)
initprintf("animvpx: GLSL mode\n");
initprintf("VP8 timing stats (mean, max) [ms] for %d frames:\n"
" read and decode frame: %.02f, %d\n"
" 3 planes -> packed conversion: %.02f, %d\n"
" upload and display: %.02f, %d\n",
n, (double)s[0]/n, m[0], (double)s[1]/n, m[1], (double)s[2]/n, m[2]);
}
}
#endif
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