void krad_vpx_decoder_decode (krad_vpx_decoder_t *vpx,
void *buffer,
int len) {
if (vpx_codec_decode (&vpx->decoder, buffer, len, 0, 0)) {
printf ("Failed to decode %d byte frame: %s\n",
len, vpx_codec_error (&vpx->decoder));
}
if (vpx->width == 0) {
vpx_codec_get_stream_info (&vpx->decoder, &vpx->stream_info);
printf ("VPX Stream Info: W:%d H:%d KF:%d\n",
vpx->stream_info.w,
vpx->stream_info.h,
vpx->stream_info.is_kf);
vpx->width = vpx->stream_info.w;
vpx->height = vpx->stream_info.h;
}
vpx->iter = NULL;
vpx->img = vpx_codec_get_frame (&vpx->decoder, &vpx->iter);
}
void krad_vpx_decoder_decode (krad_vpx_decoder_t *kradvpx, void *buffer, int len) {
if (vpx_codec_decode(&kradvpx->decoder, buffer, len, 0, 0))
{
failfast ("Failed to decode %d byte frame: %s\n", len, vpx_codec_error(&kradvpx->decoder));
//exit(1);
}
vpx_codec_get_stream_info (&kradvpx->decoder, &kradvpx->stream_info);
//printf("VPX Stream Info: W:%d H:%d KF:%d\n", kradvpx->stream_info.w, kradvpx->stream_info.h,
// kradvpx->stream_info.is_kf);
if (kradvpx->width == 0) {
kradvpx->width = kradvpx->stream_info.w;
kradvpx->height = kradvpx->stream_info.h;
}
/*
if (kradvpx->img == NULL) {
kradvpx->width = kradvpx->stream_info.w;
kradvpx->height = kradvpx->stream_info.h;
if ((kradvpx->img = vpx_img_alloc(NULL, VPX_IMG_FMT_YV12, kradvpx->stream_info.w,
kradvpx->stream_info.h, 1)) == NULL) {
failfast ("Failed to allocate vpx image\n");
}
}
*/
kradvpx->iter = NULL;
kradvpx->img = vpx_codec_get_frame (&kradvpx->decoder, &kradvpx->iter);
}
int32_t kr_vpx_decode (krad_vpx_decoder_t *vpx,
kr_medium_t *medium,
kr_codeme_t *codeme) {
if (vpx_codec_decode (&vpx->decoder, codeme->data, codeme->sz, 0, 0)) {
printf ("Failed to decode %zu byte frame: %s\n",
codeme->sz, vpx_codec_error (&vpx->decoder));
}
if (vpx->width == 0) {
vpx_codec_get_stream_info (&vpx->decoder, &vpx->stream_info);
printk ("VPX Stream Info: W:%d H:%d KF:%d\n",
vpx->stream_info.w,
vpx->stream_info.h,
vpx->stream_info.is_kf);
vpx->width = vpx->stream_info.w;
vpx->height = vpx->stream_info.h;
}
vpx->iter = NULL;
vpx->img = vpx_codec_get_frame (&vpx->decoder, &vpx->iter);
if (vpx->img != NULL) {
medium->v.pps[0] = vpx->width;
medium->v.pps[1] = vpx->width/2;
medium->v.pps[2] = vpx->width/2;
//printf ("VPXDEC: s %u %u %u", vpx->img->stride[0], vpx->img->stride[1], vpx->img->stride[2]);
//memcpy (medium->data, vpx->img->img_data, vpx->img->stride[0] * vpx->height + (vpx->img->stride[1] * vpx->height * 2));
int r;
for (r = 0; r< vpx->height; r++) {
memcpy (medium->data + (r * vpx->width), vpx->img->planes[0] + (r * vpx->img->stride[0]), vpx->width);
}
for (r = 0; r< vpx->height/2; r++) {
memcpy (medium->data + (vpx->width * (vpx->height)) + (r * vpx->width/2), vpx->img->planes[1] + (r * vpx->img->stride[1]), vpx->width / 2);
}
for (r = 0; r< vpx->height/2; r++) {
memcpy (medium->data + (vpx->width * (vpx->height)) + ((vpx->width * (vpx->height))/4) + (r * vpx->width/2),
vpx->img->planes[2] + (r * vpx->img->stride[2]), vpx->width / 2);
}
//memcpy (medium->data + vpx->img->stride[0] * vpx->height, vpx->img->planes[1], vpx->img->stride[1] * vpx->height / 2);
//memcpy (medium->data + (vpx->img->stride[0] * vpx->height) + (vpx->img->stride[1] * (vpx->height /2)), vpx->img->planes[2], vpx->img->stride[2] * vpx->height / 2);
medium->v.ppx[0] = medium->data;
medium->v.ppx[1] = medium->data + vpx->width * (vpx->height);
medium->v.ppx[2] = medium->data + vpx->width * (vpx->height) + ((vpx->width * (vpx->height)) /4);
return 1;
}
return 0;
}
