static int ffmpeg_get_va_buffer(struct AVCodecContext *c, AVFrame *ff)//vlc_va_t *external, AVFrame *ff)
{
VideoDecoderFFmpegHWPrivate *va = (VideoDecoderFFmpegHWPrivate*)c->opaque;
//ff->reordered_opaque = c->reordered_opaque; //TODO: dxva?
ff->opaque = 0;
#if !AV_MODULE_CHECK(LIBAVCODEC, 54, 34, 0, 79, 101)
ff->pkt_pts = c->pkt ? c->pkt->pts : AV_NOPTS_VALUE;
#endif
#if LIBAVCODEC_VERSION_MAJOR < 54
ff->age = 256*256*256*64;
#endif
/* hwaccel_context is not present in old ffmpeg version */
// not coded_width. assume coded_width is 6 aligned of width. ??
if (!va->setup(c)) {
qWarning("va Setup failed");
return -1;
}
if (!va->getBuffer(&ff->opaque, &ff->data[0]))
return -1;
//ffmpeg_va_GetFrameBuf
ff->data[3] = ff->data[0];
ff->type = FF_BUFFER_TYPE_USER;
return 0;
}
static int ffmpeg_get_va_buffer2(struct AVCodecContext *ctx, AVFrame *frame, int flags)
{
Q_UNUSED(flags);
for (unsigned i = 0; i < AV_NUM_DATA_POINTERS; i++) {
frame->data[i] = NULL;
frame->linesize[i] = 0;
frame->buf[i] = NULL;
}
//frame->reordered_opaque = ctx->reordered_opaque; //?? xbmc
VideoDecoderFFmpegHWPrivate *va = (VideoDecoderFFmpegHWPrivate*)ctx->opaque;
/* hwaccel_context is not present in old ffmpeg version */
// not coded_width. assume coded_width is 6 aligned of width. ??
if (!va->setup(ctx)) {
qWarning("va Setup failed");
return -1;
}
if (!va->getBuffer(&frame->opaque, &frame->data[0])) {
qWarning("va->getBuffer failed");
return -1;
}
ffmpeg_va_ref_t *ref = new ffmpeg_va_ref_t;
ref->va = va;
ref->opaque = frame->opaque;
/* 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, ffmpeg_release_va_buffer2, ref, 0);
if (Q_UNLIKELY(!frame->buf[0])) {
ffmpeg_release_va_buffer2(ref, frame->data[0]);
return -1;
}
Q_ASSERT(frame->data[0] != NULL); // FIXME: VDA may crash in debug mode
return 0;
}
static void ffmpeg_release_va_buffer(struct AVCodecContext *c, AVFrame *ff)
{
VideoDecoderFFmpegHWPrivate *va = (VideoDecoderFFmpegHWPrivate*)c->opaque;
va->releaseBuffer(ff->opaque, ff->data[0]);
memset(ff->data, 0, sizeof(ff->data));
memset(ff->linesize, 0, sizeof(ff->linesize));
}
static int ffmpeg_get_va_buffer2(struct AVCodecContext *ctx, AVFrame *frame, int flags)
{
Q_UNUSED(flags);
for (unsigned i = 0; i < AV_NUM_DATA_POINTERS; i++) {
frame->data[i] = NULL;
frame->linesize[i] = 0;
frame->buf[i] = NULL;
}
//frame->reordered_opaque = ctx->reordered_opaque; //?? xbmc
// va must be available here
VideoDecoderFFmpegHWPrivate *va = (VideoDecoderFFmpegHWPrivate*)ctx->opaque;
if (!va->getBuffer(&frame->opaque, &frame->data[0])) {
qWarning("va->getBuffer failed");
return -1;
}
ffmpeg_va_ref_t *ref = new ffmpeg_va_ref_t;
ref->va = va;
ref->opaque = frame->opaque;
/* 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, ffmpeg_release_va_buffer2, ref, 0);
if (Q_UNLIKELY(!frame->buf[0])) {
ffmpeg_release_va_buffer2(ref, frame->data[0]);
return -1;
}
Q_ASSERT(frame->data[0] != NULL);
return 0;
}
static AVPixelFormat ffmpeg_get_va_format(struct AVCodecContext *c, const AVPixelFormat * ff)
{
VideoDecoderFFmpegHWPrivate *va = (VideoDecoderFFmpegHWPrivate*)c->opaque;
return va->getFormat(c, ff);
}