static int lavc_va_GetFrame(struct AVCodecContext *ctx, AVFrame *frame,
int flags)
{
decoder_t *dec = ctx->opaque;
decoder_sys_t *sys = dec->p_sys;
vlc_va_t *va = sys->p_va;
if (vlc_va_Setup(va, &ctx->hwaccel_context, &dec->fmt_out.video.i_chroma,
ctx->coded_width, ctx->coded_height))
{
msg_Err(dec, "hardware acceleration setup failed");
return -1;
}
if (vlc_va_Get(va, &frame->opaque, &frame->data[0]))
{
msg_Err(dec, "hardware acceleration picture allocation failed");
return -1;
}
/* data[0] must be non-NULL for libavcodec internal checks.
* data[3] actually contains the format-specific surface handle. */
frame->data[3] = frame->data[0];
frame->buf[0] = av_buffer_create(frame->data[0], 0, va->release,
frame->opaque, 0);
if (unlikely(frame->buf[0] == NULL))
{
vlc_va_Release(va, frame->opaque, frame->data[0]);
return -1;
}
assert(frame->data[0] != NULL);
(void) flags;
return 0;
}
static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *p_context,
AVFrame *p_ff_pic )
{
decoder_t *p_dec = (decoder_t *)p_context->opaque;
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_sys->p_va )
{
vlc_va_Release( p_sys->p_va, p_ff_pic );
}
else if( !p_ff_pic->opaque )
{
/* We can end up here without the AVFrame being allocated by
* avcodec_default_get_buffer() if VA is used and the frame is
* released when the decoder is closed
*/
if( p_ff_pic->type == FF_BUFFER_TYPE_INTERNAL )
avcodec_default_release_buffer( p_context, p_ff_pic );
}
else
{
picture_t *p_pic = (picture_t*)p_ff_pic->opaque;
decoder_UnlinkPicture( p_dec, p_pic );
}
for( int i = 0; i < 4; i++ )
p_ff_pic->data[i] = NULL;
}
