static av_cold int decode_init(AVCodecContext *avctx)
{
DSDContext * s;
int i;
init_static_data();
s = av_malloc_array(sizeof(DSDContext), avctx->channels);
if (!s)
return AVERROR(ENOMEM);
for (i = 0; i < avctx->channels; i++) {
s[i].pos = 0;
memset(s[i].buf, 0x69, sizeof(s[i].buf));
/* 0x69 = 01101001
* This pattern "on repeat" makes a low energy 352.8 kHz tone
* and a high energy 1.0584 MHz tone which should be filtered
* out completely by any playback system --> silence
*/
}
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
avctx->priv_data = s;
return 0;
}
/* Called the first time stage->run() is invoked.
*/
static GLboolean
alloc_fog_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct fog_stage_data *store;
stage->privatePtr = malloc(sizeof(*store));
store = FOG_STAGE_DATA(stage);
if (!store)
return GL_FALSE;
_mesa_vector4f_alloc( &store->fogcoord, 0, tnl->vb.Size, 32 );
if (!inited)
init_static_data();
return GL_TRUE;
}
/* Called the first time stage->run() is invoked.
*/
static GLboolean alloc_fog_data( GLcontext *ctx,
struct gl_pipeline_stage *stage )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct fog_stage_data *store;
stage->privatePtr = MALLOC(sizeof(*store));
store = FOG_STAGE_DATA(stage);
if (!store)
return GL_FALSE;
_mesa_vector1f_alloc( &store->fogcoord, 0, tnl->vb.Size, 32 );
_mesa_vector1f_init( &store->input, 0, 0 );
if (!inited)
init_static_data();
/* Now run the stage.
*/
stage->run = run_fog_stage;
return stage->run( ctx, stage );
}
