VAStatus va_FoolMapBuffer(
VADisplay dpy,
VABufferID buf_id, /* in */
void **pbuf /* out */
)
{
unsigned int magic, buftype;
DPY2FOOLCTX_CHK(dpy);
magic = buf_id & FOOL_BUFID_MASK;
if (magic != FOOL_BUFID_MAGIC)
return 0; /* could be VAImageBufferType from vaDeriveImage */
buftype = buf_id & 0xff;
*pbuf = fool_ctx->fool_buf[buftype];
/* it is coded buffer, fill coded segment from file */
if (*pbuf && (buftype == VAEncCodedBufferType))
va_FoolFillCodedBuf(dpy, fool_ctx);
return 1; /* fool is valid */
}
VAStatus va_FoolMapBuffer(
VADisplay dpy,
VABufferID buf_id, /* in */
void **pbuf /* out */
)
{
unsigned int buftype = buf_id & 0xff;
unsigned int magic = buf_id & FOOL_BUFID_MASK;
DPY2INDEX(dpy);
if (magic != FOOL_BUFID_MAGIC || buftype >= VABufferTypeMax || !pbuf)
return 0;
/* buf_id is the buffer type */
*pbuf = fool_context[idx].fool_buf[buftype];
/* it is coded buffer, fill the fake segment buf from file */
if (*pbuf && (buftype == VAEncCodedBufferType))
va_FoolFillCodedBuf(idx);
return 1; /* don't call into driver */
}