av_log(avctx, AV_LOG_DEBUG, ".\n");
}
- av_assert0(pic->input_available && !pic->encode_issued);
+ av_assert0(!pic->encode_issued);
for (i = 0; i < pic->nb_refs; i++) {
av_assert0(pic->refs[i]);
- // If we are serialised then the references must have already
- // completed. If not, they must have been issued but need not
- // have completed yet.
- if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING)
- av_assert0(pic->refs[i]->encode_complete);
- else
- av_assert0(pic->refs[i]->encode_issued);
+ av_assert0(pic->refs[i]->encode_issued);
}
av_log(avctx, AV_LOG_DEBUG, "Input surface is %#x.\n", pic->input_surface);
pic->encode_issued = 1;
- if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING)
- return vaapi_encode_wait(avctx, pic);
- else
- return 0;
+ return 0;
fail_with_picture:
vaEndPicture(ctx->hwctx->display, ctx->va_context);
return 0;
}
-static VAAPIEncodePicture *vaapi_encode_alloc(void)
+static VAAPIEncodePicture *vaapi_encode_alloc(AVCodecContext *avctx)
{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodePicture *pic;
pic = av_mallocz(sizeof(*pic));
if (!pic)
return NULL;
+ if (ctx->codec->picture_priv_data_size > 0) {
+ pic->priv_data = av_mallocz(ctx->codec->picture_priv_data_size);
+ if (!pic->priv_data) {
+ av_freep(&pic);
+ return NULL;
+ }
+ }
+
pic->input_surface = VA_INVALID_ID;
pic->recon_surface = VA_INVALID_ID;
pic->output_buffer = VA_INVALID_ID;
return 0;
}
-static int vaapi_encode_step(AVCodecContext *avctx,
- VAAPIEncodePicture *target)
+static void vaapi_encode_add_ref(AVCodecContext *avctx,
+ VAAPIEncodePicture *pic,
+ VAAPIEncodePicture *target,
+ int is_ref, int in_dpb, int prev)
{
- VAAPIEncodeContext *ctx = avctx->priv_data;
- VAAPIEncodePicture *pic;
- int i, err;
-
- if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING ||
- ctx->issue_mode == ISSUE_MODE_MINIMISE_LATENCY) {
- // These two modes are equivalent, except that we wait for
- // immediate completion on each operation if serialised.
-
- if (!target) {
- // No target, nothing to do yet.
- return 0;
- }
-
- if (target->encode_complete) {
- // Already done.
- return 0;
- }
-
- pic = target;
- for (i = 0; i < pic->nb_refs; i++) {
- if (!pic->refs[i]->encode_complete) {
- err = vaapi_encode_step(avctx, pic->refs[i]);
- if (err < 0)
- return err;
- }
- }
+ int refs = 0;
- err = vaapi_encode_issue(avctx, pic);
- if (err < 0)
- return err;
-
- } else if (ctx->issue_mode == ISSUE_MODE_MAXIMISE_THROUGHPUT) {
- int activity;
-
- // Run through the list of all available pictures repeatedly
- // and issue the first one found which has all dependencies
- // available (including previously-issued but not necessarily
- // completed pictures).
- do {
- activity = 0;
- for (pic = ctx->pic_start; pic; pic = pic->next) {
- if (!pic->input_available || pic->encode_issued)
- continue;
- for (i = 0; i < pic->nb_refs; i++) {
- if (!pic->refs[i]->encode_issued)
- break;
- }
- if (i < pic->nb_refs)
- continue;
- err = vaapi_encode_issue(avctx, pic);
- if (err < 0)
- return err;
- activity = 1;
- // Start again from the beginning of the list,
- // because issuing this picture may have satisfied
- // forward dependencies of earlier ones.
- break;
- }
- } while(activity);
+ if (is_ref) {
+ av_assert0(pic != target);
+ av_assert0(pic->nb_refs < MAX_PICTURE_REFERENCES);
+ pic->refs[pic->nb_refs++] = target;
+ ++refs;
+ }
- // If we had a defined target for this step then it will
- // always have been issued by now.
- if (target) {
- av_assert0(target->encode_issued && "broken dependencies?");
- }
+ if (in_dpb) {
+ av_assert0(pic->nb_dpb_pics < MAX_DPB_SIZE);
+ pic->dpb[pic->nb_dpb_pics++] = target;
+ ++refs;
+ }
- } else {
- av_assert0(0);
+ if (prev) {
+ av_assert0(!pic->prev);
+ pic->prev = target;
+ ++refs;
}
- return 0;
+ target->ref_count[0] += refs;
+ target->ref_count[1] += refs;
}
-static int vaapi_encode_get_next(AVCodecContext *avctx,
- VAAPIEncodePicture **pic_out)
+static void vaapi_encode_remove_refs(AVCodecContext *avctx,
+ VAAPIEncodePicture *pic,
+ int level)
{
- VAAPIEncodeContext *ctx = avctx->priv_data;
- VAAPIEncodePicture *start, *end, *pic;
int i;
- for (pic = ctx->pic_start; pic; pic = pic->next) {
- if (pic->next)
- av_assert0(pic->display_order + 1 == pic->next->display_order);
- if (pic->display_order == ctx->input_order) {
- *pic_out = pic;
- return 0;
- }
+ if (pic->ref_removed[level])
+ return;
+
+ for (i = 0; i < pic->nb_refs; i++) {
+ av_assert0(pic->refs[i]);
+ --pic->refs[i]->ref_count[level];
+ av_assert0(pic->refs[i]->ref_count[level] >= 0);
}
- pic = vaapi_encode_alloc();
- if (!pic)
- return AVERROR(ENOMEM);
+ for (i = 0; i < pic->nb_dpb_pics; i++) {
+ av_assert0(pic->dpb[i]);
+ --pic->dpb[i]->ref_count[level];
+ av_assert0(pic->dpb[i]->ref_count[level] >= 0);
+ }
- if (ctx->input_order == 0 || ctx->force_idr ||
- ctx->gop_counter >= ctx->gop_size) {
- pic->type = PICTURE_TYPE_IDR;
- ctx->force_idr = 0;
- ctx->gop_counter = 1;
- ctx->p_counter = 0;
- } else if (ctx->p_counter >= ctx->p_per_i) {
- pic->type = PICTURE_TYPE_I;
- ++ctx->gop_counter;
- ctx->p_counter = 0;
- } else {
- pic->type = PICTURE_TYPE_P;
- pic->refs[0] = ctx->pic_end;
- pic->nb_refs = 1;
- ++ctx->gop_counter;
- ++ctx->p_counter;
+ av_assert0(pic->prev || pic->type == PICTURE_TYPE_IDR);
+ if (pic->prev) {
+ --pic->prev->ref_count[level];
+ av_assert0(pic->prev->ref_count[level] >= 0);
}
- start = end = pic;
- if (pic->type != PICTURE_TYPE_IDR) {
- // If that was not an IDR frame, add B-frames display-before and
- // encode-after it, but not exceeding the GOP size.
+ pic->ref_removed[level] = 1;
+}
- for (i = 0; i < ctx->b_per_p &&
- ctx->gop_counter < ctx->gop_size; i++) {
- pic = vaapi_encode_alloc();
- if (!pic)
- goto fail;
+static void vaapi_encode_set_b_pictures(AVCodecContext *avctx,
+ VAAPIEncodePicture *start,
+ VAAPIEncodePicture *end,
+ VAAPIEncodePicture *prev,
+ int current_depth,
+ VAAPIEncodePicture **last)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAAPIEncodePicture *pic, *next, *ref;
+ int i, len;
- pic->type = PICTURE_TYPE_B;
- pic->refs[0] = ctx->pic_end;
- pic->refs[1] = end;
- pic->nb_refs = 2;
+ av_assert0(start && end && start != end && start->next != end);
- pic->next = start;
- pic->display_order = ctx->input_order + ctx->b_per_p - i - 1;
- pic->encode_order = pic->display_order + 1;
- start = pic;
+ // If we are at the maximum depth then encode all pictures as
+ // non-referenced B-pictures. Also do this if there is exactly one
+ // picture left, since there will be nothing to reference it.
+ if (current_depth == ctx->max_b_depth || start->next->next == end) {
+ for (pic = start->next; pic; pic = pic->next) {
+ if (pic == end)
+ break;
+ pic->type = PICTURE_TYPE_B;
+ pic->b_depth = current_depth;
- ++ctx->gop_counter;
+ vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0);
+ vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0);
+ vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1);
+
+ for (ref = end->refs[1]; ref; ref = ref->refs[1])
+ vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0);
}
- }
+ *last = prev;
- if (ctx->input_order == 0) {
- pic->display_order = 0;
- pic->encode_order = 0;
+ } else {
+ // Split the current list at the midpoint with a referenced
+ // B-picture, then descend into each side separately.
+ len = 0;
+ for (pic = start->next; pic != end; pic = pic->next)
+ ++len;
+ for (pic = start->next, i = 1; 2 * i < len; pic = pic->next, i++);
- ctx->pic_start = ctx->pic_end = pic;
+ pic->type = PICTURE_TYPE_B;
+ pic->b_depth = current_depth;
- } else {
- for (i = 0, pic = start; pic; i++, pic = pic->next) {
- pic->display_order = ctx->input_order + i;
- if (end->type == PICTURE_TYPE_IDR)
- pic->encode_order = ctx->input_order + i;
- else if (pic == end)
- pic->encode_order = ctx->input_order;
- else
- pic->encode_order = ctx->input_order + i + 1;
- }
+ pic->is_reference = 1;
- av_assert0(ctx->pic_end);
- ctx->pic_end->next = start;
- ctx->pic_end = end;
- }
- *pic_out = start;
+ vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0);
+ vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0);
+ vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0);
+ vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1);
- av_log(avctx, AV_LOG_DEBUG, "Pictures:");
- for (pic = ctx->pic_start; pic; pic = pic->next) {
- av_log(avctx, AV_LOG_DEBUG, " %s (%"PRId64"/%"PRId64")",
- picture_type_name[pic->type],
- pic->display_order, pic->encode_order);
- }
- av_log(avctx, AV_LOG_DEBUG, "\n");
+ for (ref = end->refs[1]; ref; ref = ref->refs[1])
+ vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0);
- return 0;
+ if (i > 1)
+ vaapi_encode_set_b_pictures(avctx, start, pic, pic,
+ current_depth + 1, &next);
+ else
+ next = pic;
-fail:
- while (start) {
- pic = start->next;
- vaapi_encode_free(avctx, start);
- start = pic;
+ vaapi_encode_set_b_pictures(avctx, pic, end, next,
+ current_depth + 1, last);
}
- return AVERROR(ENOMEM);
}
-static int vaapi_encode_truncate_gop(AVCodecContext *avctx)
+static int vaapi_encode_pick_next(AVCodecContext *avctx,
+ VAAPIEncodePicture **pic_out)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
- VAAPIEncodePicture *pic, *last_pic, *next;
-
- av_assert0(!ctx->pic_start || ctx->pic_start->input_available);
+ VAAPIEncodePicture *pic = NULL, *next, *start;
+ int i, b_counter, closed_gop_end;
- // Find the last picture we actually have input for.
+ // If there are any B-frames already queued, the next one to encode
+ // is the earliest not-yet-issued frame for which all references are
+ // available.
for (pic = ctx->pic_start; pic; pic = pic->next) {
- if (!pic->input_available)
+ if (pic->encode_issued)
+ continue;
+ if (pic->type != PICTURE_TYPE_B)
+ continue;
+ for (i = 0; i < pic->nb_refs; i++) {
+ if (!pic->refs[i]->encode_issued)
+ break;
+ }
+ if (i == pic->nb_refs)
break;
- last_pic = pic;
}
if (pic) {
- if (last_pic->type == PICTURE_TYPE_B) {
- // Some fixing up is required. Change the type of this
- // picture to P, then modify preceding B references which
- // point beyond it to point at it instead.
-
- last_pic->type = PICTURE_TYPE_P;
- last_pic->encode_order = last_pic->refs[1]->encode_order;
-
- for (pic = ctx->pic_start; pic != last_pic; pic = pic->next) {
- if (pic->type == PICTURE_TYPE_B &&
- pic->refs[1] == last_pic->refs[1])
- pic->refs[1] = last_pic;
- }
+ av_log(avctx, AV_LOG_DEBUG, "Pick B-picture at depth %d to "
+ "encode next.\n", pic->b_depth);
+ *pic_out = pic;
+ return 0;
+ }
- last_pic->nb_refs = 1;
- last_pic->refs[1] = NULL;
- } else {
- // We can use the current structure (no references point
- // beyond the end), but there are unused pics to discard.
+ // Find the B-per-Pth available picture to become the next picture
+ // on the top layer.
+ start = NULL;
+ b_counter = 0;
+ closed_gop_end = ctx->closed_gop ||
+ ctx->idr_counter == ctx->gop_per_idr;
+ for (pic = ctx->pic_start; pic; pic = next) {
+ next = pic->next;
+ if (pic->encode_issued) {
+ start = pic;
+ continue;
}
+ // If the next available picture is force-IDR, encode it to start
+ // a new GOP immediately.
+ if (pic->force_idr)
+ break;
+ if (b_counter == ctx->b_per_p)
+ break;
+ // If this picture ends a closed GOP or starts a new GOP then it
+ // needs to be in the top layer.
+ if (ctx->gop_counter + b_counter + closed_gop_end >= ctx->gop_size)
+ break;
+ // If the picture after this one is force-IDR, we need to encode
+ // this one in the top layer.
+ if (next && next->force_idr)
+ break;
+ ++b_counter;
+ }
- // Discard all following pics, they will never be used.
- for (pic = last_pic->next; pic; pic = next) {
- next = pic->next;
- vaapi_encode_free(avctx, pic);
- }
+ // At the end of the stream the last picture must be in the top layer.
+ if (!pic && ctx->end_of_stream) {
+ --b_counter;
+ pic = ctx->pic_end;
+ if (pic->encode_issued)
+ return AVERROR_EOF;
+ }
- last_pic->next = NULL;
- ctx->pic_end = last_pic;
+ if (!pic) {
+ av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - "
+ "need more input for reference pictures.\n");
+ return AVERROR(EAGAIN);
+ }
+ if (ctx->input_order <= ctx->decode_delay && !ctx->end_of_stream) {
+ av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - "
+ "need more input for timestamps.\n");
+ return AVERROR(EAGAIN);
+ }
+
+ if (pic->force_idr) {
+ av_log(avctx, AV_LOG_DEBUG, "Pick forced IDR-picture to "
+ "encode next.\n");
+ pic->type = PICTURE_TYPE_IDR;
+ ctx->idr_counter = 1;
+ ctx->gop_counter = 1;
+
+ } else if (ctx->gop_counter + b_counter >= ctx->gop_size) {
+ if (ctx->idr_counter == ctx->gop_per_idr) {
+ av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP IDR-picture to "
+ "encode next.\n");
+ pic->type = PICTURE_TYPE_IDR;
+ ctx->idr_counter = 1;
+ } else {
+ av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP I-picture to "
+ "encode next.\n");
+ pic->type = PICTURE_TYPE_I;
+ ++ctx->idr_counter;
+ }
+ ctx->gop_counter = 1;
} else {
- // Input is available for all pictures, so we don't need to
- // mangle anything.
+ if (ctx->gop_counter + b_counter + closed_gop_end == ctx->gop_size) {
+ av_log(avctx, AV_LOG_DEBUG, "Pick group-end P-picture to "
+ "encode next.\n");
+ } else {
+ av_log(avctx, AV_LOG_DEBUG, "Pick normal P-picture to "
+ "encode next.\n");
+ }
+ pic->type = PICTURE_TYPE_P;
+ av_assert0(start);
+ ctx->gop_counter += 1 + b_counter;
}
+ pic->is_reference = 1;
+ *pic_out = pic;
- av_log(avctx, AV_LOG_DEBUG, "Pictures ending truncated GOP:");
- for (pic = ctx->pic_start; pic; pic = pic->next) {
- av_log(avctx, AV_LOG_DEBUG, " %s (%"PRId64"/%"PRId64")",
- picture_type_name[pic->type],
- pic->display_order, pic->encode_order);
+ vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0);
+ if (pic->type != PICTURE_TYPE_IDR) {
+ vaapi_encode_add_ref(avctx, pic, start,
+ pic->type == PICTURE_TYPE_P,
+ b_counter > 0, 0);
+ vaapi_encode_add_ref(avctx, pic, ctx->next_prev, 0, 0, 1);
}
- av_log(avctx, AV_LOG_DEBUG, "\n");
+ if (ctx->next_prev)
+ --ctx->next_prev->ref_count[0];
+ if (b_counter > 0) {
+ vaapi_encode_set_b_pictures(avctx, start, pic, pic, 1,
+ &ctx->next_prev);
+ } else {
+ ctx->next_prev = pic;
+ }
+ ++ctx->next_prev->ref_count[0];
return 0;
}
static int vaapi_encode_clear_old(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
- VAAPIEncodePicture *pic, *old;
- int i;
+ VAAPIEncodePicture *pic, *prev, *next;
- while (ctx->pic_start != ctx->pic_end) {
- old = ctx->pic_start;
- if (old->encode_order > ctx->output_order)
- break;
+ av_assert0(ctx->pic_start);
- for (pic = old->next; pic; pic = pic->next) {
- if (pic->encode_complete)
- continue;
- for (i = 0; i < pic->nb_refs; i++) {
- if (pic->refs[i] == old) {
- // We still need this picture because it's referred to
- // directly by a later one, so it and all following
- // pictures have to stay.
- return 0;
- }
- }
- }
+ // Remove direct references once each picture is complete.
+ for (pic = ctx->pic_start; pic; pic = pic->next) {
+ if (pic->encode_complete && pic->next)
+ vaapi_encode_remove_refs(avctx, pic, 0);
+ }
- pic = ctx->pic_start;
- ctx->pic_start = pic->next;
- vaapi_encode_free(avctx, pic);
+ // Remove indirect references once a picture has no direct references.
+ for (pic = ctx->pic_start; pic; pic = pic->next) {
+ if (pic->encode_complete && pic->ref_count[0] == 0)
+ vaapi_encode_remove_refs(avctx, pic, 1);
+ }
+
+ // Clear out all complete pictures with no remaining references.
+ prev = NULL;
+ for (pic = ctx->pic_start; pic; pic = next) {
+ next = pic->next;
+ if (pic->encode_complete && pic->ref_count[1] == 0) {
+ av_assert0(pic->ref_removed[0] && pic->ref_removed[1]);
+ if (prev)
+ prev->next = next;
+ else
+ ctx->pic_start = next;
+ vaapi_encode_free(avctx, pic);
+ } else {
+ prev = pic;
+ }
}
return 0;
}
-int ff_vaapi_encode2(AVCodecContext *avctx, AVPacket *pkt,
- const AVFrame *input_image, int *got_packet)
+int ff_vaapi_encode_send_frame(AVCodecContext *avctx, const AVFrame *frame)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodePicture *pic;
int err;
- if (input_image) {
- av_log(avctx, AV_LOG_DEBUG, "Encode frame: %ux%u (%"PRId64").\n",
- input_image->width, input_image->height, input_image->pts);
+ if (frame) {
+ av_log(avctx, AV_LOG_DEBUG, "Input frame: %ux%u (%"PRId64").\n",
+ frame->width, frame->height, frame->pts);
- if (input_image->pict_type == AV_PICTURE_TYPE_I) {
- err = vaapi_encode_truncate_gop(avctx);
- if (err < 0)
- goto fail;
- ctx->force_idr = 1;
- }
-
- err = vaapi_encode_get_next(avctx, &pic);
- if (err) {
- av_log(avctx, AV_LOG_ERROR, "Input setup failed: %d.\n", err);
- return err;
- }
+ pic = vaapi_encode_alloc(avctx);
+ if (!pic)
+ return AVERROR(ENOMEM);
pic->input_image = av_frame_alloc();
if (!pic->input_image) {
err = AVERROR(ENOMEM);
goto fail;
}
- err = av_frame_ref(pic->input_image, input_image);
+ err = av_frame_ref(pic->input_image, frame);
if (err < 0)
goto fail;
- pic->input_surface = (VASurfaceID)(uintptr_t)input_image->data[3];
- pic->pts = input_image->pts;
+
+ if (ctx->input_order == 0)
+ pic->force_idr = 1;
+
+ pic->input_surface = (VASurfaceID)(uintptr_t)frame->data[3];
+ pic->pts = frame->pts;
if (ctx->input_order == 0)
ctx->first_pts = pic->pts;
if (ctx->output_delay > 0)
ctx->ts_ring[ctx->input_order % (3 * ctx->output_delay)] = pic->pts;
- pic->input_available = 1;
+ pic->display_order = ctx->input_order;
+ ++ctx->input_order;
- } else {
- if (!ctx->end_of_stream) {
- err = vaapi_encode_truncate_gop(avctx);
- if (err < 0)
- goto fail;
- ctx->end_of_stream = 1;
+ if (ctx->pic_start) {
+ ctx->pic_end->next = pic;
+ ctx->pic_end = pic;
+ } else {
+ ctx->pic_start = pic;
+ ctx->pic_end = pic;
}
+
+ } else {
+ ctx->end_of_stream = 1;
+
+ // Fix timestamps if we hit end-of-stream before the initial decode
+ // delay has elapsed.
+ if (ctx->input_order < ctx->decode_delay)
+ ctx->dts_pts_diff = ctx->pic_end->pts - ctx->first_pts;
}
- ++ctx->input_order;
- ++ctx->output_order;
- av_assert0(ctx->output_order + ctx->output_delay + 1 == ctx->input_order);
+ return 0;
- for (pic = ctx->pic_start; pic; pic = pic->next)
- if (pic->encode_order == ctx->output_order)
- break;
+fail:
+ return err;
+}
- // pic can be null here if we don't have a specific target in this
- // iteration. We might still issue encodes if things can be overlapped,
- // even though we don't intend to output anything.
+int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAAPIEncodePicture *pic;
+ int err;
- err = vaapi_encode_step(avctx, pic);
- if (err < 0) {
- av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
- goto fail;
+ if (!ctx->pic_start) {
+ if (ctx->end_of_stream)
+ return AVERROR_EOF;
+ else
+ return AVERROR(EAGAIN);
}
- if (!pic) {
- *got_packet = 0;
- } else {
- err = vaapi_encode_output(avctx, pic, pkt);
- if (err < 0) {
- av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err);
- goto fail;
- }
+ pic = NULL;
+ err = vaapi_encode_pick_next(avctx, &pic);
+ if (err < 0)
+ return err;
+ av_assert0(pic);
- if (ctx->output_delay == 0) {
- pkt->dts = pkt->pts;
- } else if (ctx->output_order < ctx->decode_delay) {
- if (ctx->ts_ring[ctx->output_order] < INT64_MIN + ctx->dts_pts_diff)
- pkt->dts = INT64_MIN;
- else
- pkt->dts = ctx->ts_ring[ctx->output_order] - ctx->dts_pts_diff;
- } else {
- pkt->dts = ctx->ts_ring[(ctx->output_order - ctx->decode_delay) %
- (3 * ctx->output_delay)];
- }
+ pic->encode_order = ctx->encode_order++;
- *got_packet = 1;
+ err = vaapi_encode_issue(avctx, pic);
+ if (err < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
+ return err;
}
- err = vaapi_encode_clear_old(avctx);
+ err = vaapi_encode_output(avctx, pic, pkt);
if (err < 0) {
- av_log(avctx, AV_LOG_ERROR, "List clearing failed: %d.\n", err);
- goto fail;
+ av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err);
+ return err;
+ }
+
+ if (ctx->output_delay == 0) {
+ pkt->dts = pkt->pts;
+ } else if (pic->encode_order < ctx->decode_delay) {
+ if (ctx->ts_ring[pic->encode_order] < INT64_MIN + ctx->dts_pts_diff)
+ pkt->dts = INT64_MIN;
+ else
+ pkt->dts = ctx->ts_ring[pic->encode_order] - ctx->dts_pts_diff;
+ } else {
+ pkt->dts = ctx->ts_ring[(pic->encode_order - ctx->decode_delay) %
+ (3 * ctx->output_delay)];
}
+ av_log(avctx, AV_LOG_DEBUG, "Output packet: pts %"PRId64" dts %"PRId64".\n",
+ pkt->pts, pkt->dts);
+
+ ctx->output_order = pic->encode_order;
+ vaapi_encode_clear_old(avctx);
return 0;
+}
-fail:
- // Unclear what to clean up on failure. There are probably some things we
- // could do usefully clean up here, but for now just leave them for uninit()
- // to do instead.
- return err;
+int ff_vaapi_encode2(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *input_image, int *got_packet)
+{
+ return AVERROR(ENOSYS);
}
static av_cold void vaapi_encode_add_global_param(AVCodecContext *avctx,
break;
}
if (j >= n) {
- av_log(avctx, AV_LOG_VERBOSE, "Matching profile %d is "
- "not supported by driver.\n", profile->va_profile);
+ av_log(avctx, AV_LOG_VERBOSE, "Compatible profile %s (%d) "
+ "is not supported by driver.\n", profile_string,
+ profile->va_profile);
continue;
}
return err;
}
+static const VAAPIEncodeRCMode vaapi_encode_rc_modes[] = {
+ // Bitrate Quality
+ // | Maxrate | HRD/VBV
+ { 0 }, // | | | |
+ { RC_MODE_CQP, "CQP", 1, VA_RC_CQP, 0, 0, 1, 0 },
+ { RC_MODE_CBR, "CBR", 1, VA_RC_CBR, 1, 0, 0, 1 },
+ { RC_MODE_VBR, "VBR", 1, VA_RC_VBR, 1, 1, 0, 1 },
+#if VA_CHECK_VERSION(1, 1, 0)
+ { RC_MODE_ICQ, "ICQ", 1, VA_RC_ICQ, 0, 0, 1, 0 },
+#else
+ { RC_MODE_ICQ, "ICQ", 0 },
+#endif
+#if VA_CHECK_VERSION(1, 3, 0)
+ { RC_MODE_QVBR, "QVBR", 1, VA_RC_QVBR, 1, 1, 1, 1 },
+ { RC_MODE_AVBR, "AVBR", 0, VA_RC_AVBR, 1, 0, 0, 0 },
+#else
+ { RC_MODE_QVBR, "QVBR", 0 },
+ { RC_MODE_AVBR, "AVBR", 0 },
+#endif
+};
+
static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
+ uint32_t supported_va_rc_modes;
+ const VAAPIEncodeRCMode *rc_mode;
int64_t rc_bits_per_second;
int rc_target_percentage;
int rc_window_size;
+ int rc_quality;
int64_t hrd_buffer_size;
int64_t hrd_initial_buffer_fullness;
int fr_num, fr_den;
VAConfigAttrib rc_attr = { VAConfigAttribRateControl };
VAStatus vas;
+ char supported_rc_modes_string[64];
vas = vaGetConfigAttributes(ctx->hwctx->display,
ctx->va_profile, ctx->va_entrypoint,
"config attribute: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR_EXTERNAL;
}
-
if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any "
- "supported rate control modes: assuming constant-quality.\n");
- ctx->va_rc_mode = VA_RC_CQP;
- return 0;
- }
- if (avctx->flags & AV_CODEC_FLAG_QSCALE ||
- avctx->bit_rate <= 0) {
- if (rc_attr.value & VA_RC_CQP) {
- av_log(avctx, AV_LOG_VERBOSE, "Using constant-quality mode.\n");
- ctx->va_rc_mode = VA_RC_CQP;
- if (avctx->bit_rate > 0 || avctx->rc_max_rate > 0) {
- av_log(avctx, AV_LOG_WARNING, "Bitrate target parameters "
- "ignored in constant-quality mode.\n");
+ "supported rate control modes: assuming CQP only.\n");
+ supported_va_rc_modes = VA_RC_CQP;
+ strcpy(supported_rc_modes_string, "unknown");
+ } else {
+ char *str = supported_rc_modes_string;
+ size_t len = sizeof(supported_rc_modes_string);
+ int i, first = 1, res;
+
+ supported_va_rc_modes = rc_attr.value;
+ for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rc_modes); i++) {
+ rc_mode = &vaapi_encode_rc_modes[i];
+ if (supported_va_rc_modes & rc_mode->va_mode) {
+ res = snprintf(str, len, "%s%s",
+ first ? "" : ", ", rc_mode->name);
+ first = 0;
+ if (res < 0) {
+ *str = 0;
+ break;
+ }
+ len -= res;
+ str += res;
+ if (len == 0)
+ break;
}
- return 0;
- } else {
- av_log(avctx, AV_LOG_ERROR, "Driver does not support "
- "constant-quality mode (%#x).\n", rc_attr.value);
- return AVERROR(EINVAL);
}
- }
- if (!(rc_attr.value & (VA_RC_CBR | VA_RC_VBR))) {
- av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
- "bitrate-targetted rate control modes.\n");
- return AVERROR(EINVAL);
+ av_log(avctx, AV_LOG_DEBUG, "Driver supports RC modes %s.\n",
+ supported_rc_modes_string);
+ }
+
+ // Rate control mode selection:
+ // * If the user has set a mode explicitly with the rc_mode option,
+ // use it and fail if it is not available.
+ // * If an explicit QP option has been set, use CQP.
+ // * If the codec is CQ-only, use CQP.
+ // * If the QSCALE avcodec option is set, use CQP.
+ // * If bitrate and quality are both set, try QVBR.
+ // * If quality is set, try ICQ, then CQP.
+ // * If bitrate and maxrate are set and have the same value, try CBR.
+ // * If a bitrate is set, try AVBR, then VBR, then CBR.
+ // * If no bitrate is set, try ICQ, then CQP.
+
+#define TRY_RC_MODE(mode, fail) do { \
+ rc_mode = &vaapi_encode_rc_modes[mode]; \
+ if (!(rc_mode->va_mode & supported_va_rc_modes)) { \
+ if (fail) { \
+ av_log(avctx, AV_LOG_ERROR, "Driver does not support %s " \
+ "RC mode (supported modes: %s).\n", rc_mode->name, \
+ supported_rc_modes_string); \
+ return AVERROR(EINVAL); \
+ } \
+ av_log(avctx, AV_LOG_DEBUG, "Driver does not support %s " \
+ "RC mode.\n", rc_mode->name); \
+ rc_mode = NULL; \
+ } else { \
+ goto rc_mode_found; \
+ } \
+ } while (0)
+
+ if (ctx->explicit_rc_mode)
+ TRY_RC_MODE(ctx->explicit_rc_mode, 1);
+
+ if (ctx->explicit_qp)
+ TRY_RC_MODE(RC_MODE_CQP, 1);
+
+ if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY)
+ TRY_RC_MODE(RC_MODE_CQP, 1);
+
+ if (avctx->flags & AV_CODEC_FLAG_QSCALE)
+ TRY_RC_MODE(RC_MODE_CQP, 1);
+
+ if (avctx->bit_rate > 0 && avctx->global_quality > 0)
+ TRY_RC_MODE(RC_MODE_QVBR, 0);
+
+ if (avctx->global_quality > 0) {
+ TRY_RC_MODE(RC_MODE_ICQ, 0);
+ TRY_RC_MODE(RC_MODE_CQP, 0);
+ }
+
+ if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate)
+ TRY_RC_MODE(RC_MODE_CBR, 0);
+
+ if (avctx->bit_rate > 0) {
+ TRY_RC_MODE(RC_MODE_AVBR, 0);
+ TRY_RC_MODE(RC_MODE_VBR, 0);
+ TRY_RC_MODE(RC_MODE_CBR, 0);
+ } else {
+ TRY_RC_MODE(RC_MODE_ICQ, 0);
+ TRY_RC_MODE(RC_MODE_CQP, 0);
}
- if (avctx->rc_buffer_size)
- hrd_buffer_size = avctx->rc_buffer_size;
- else if (avctx->rc_max_rate > 0)
- hrd_buffer_size = avctx->rc_max_rate;
- else
- hrd_buffer_size = avctx->bit_rate;
- if (avctx->rc_initial_buffer_occupancy) {
- if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
- av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
- "must have initial buffer size (%d) < "
- "buffer size (%"PRId64").\n",
- avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
+ av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
+ "RC mode compatible with selected options "
+ "(supported modes: %s).\n", supported_rc_modes_string);
+ return AVERROR(EINVAL);
+
+rc_mode_found:
+ if (rc_mode->bitrate) {
+ if (avctx->bit_rate <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "Bitrate must be set for %s "
+ "RC mode.\n", rc_mode->name);
return AVERROR(EINVAL);
}
- hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
- } else {
- hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
- }
- if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {
- av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: must have "
- "bitrate (%"PRId64") <= maxrate (%"PRId64").\n",
- avctx->bit_rate, avctx->rc_max_rate);
- return AVERROR(EINVAL);
- }
+ if (rc_mode->mode == RC_MODE_AVBR) {
+ // For maximum confusion AVBR is hacked into the existing API
+ // by overloading some of the fields with completely different
+ // meanings.
- if (avctx->rc_max_rate > avctx->bit_rate) {
- if (!(rc_attr.value & VA_RC_VBR)) {
- av_log(avctx, AV_LOG_WARNING, "Driver does not support "
- "VBR mode (%#x), using CBR mode instead.\n",
- rc_attr.value);
- ctx->va_rc_mode = VA_RC_CBR;
+ // Target percentage does not apply in AVBR mode.
+ rc_bits_per_second = avctx->bit_rate;
- rc_bits_per_second = avctx->bit_rate;
+ // Accuracy tolerance range for meeting the specified target
+ // bitrate. It's very unclear how this is actually intended
+ // to work - since we do want to get the specified bitrate,
+ // set the accuracy to 100% for now.
rc_target_percentage = 100;
- } else {
- ctx->va_rc_mode = VA_RC_VBR;
-
- rc_bits_per_second = avctx->rc_max_rate;
- rc_target_percentage = (avctx->bit_rate * 100) /
- avctx->rc_max_rate;
- }
- } else if (avctx->rc_max_rate == avctx->bit_rate) {
- if (!(rc_attr.value & VA_RC_CBR)) {
- av_log(avctx, AV_LOG_WARNING, "Driver does not support "
- "CBR mode (%#x), using VBR mode instead.\n",
- rc_attr.value);
- ctx->va_rc_mode = VA_RC_VBR;
+ // Convergence period in frames. The GOP size reflects the
+ // user's intended block size for cutting, so reusing that
+ // as the convergence period seems a reasonable default.
+ rc_window_size = avctx->gop_size > 0 ? avctx->gop_size : 60;
+
+ } else if (rc_mode->maxrate) {
+ if (avctx->rc_max_rate > 0) {
+ if (avctx->rc_max_rate < avctx->bit_rate) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: "
+ "bitrate (%"PRId64") must not be greater than "
+ "maxrate (%"PRId64").\n", avctx->bit_rate,
+ avctx->rc_max_rate);
+ return AVERROR(EINVAL);
+ }
+ rc_bits_per_second = avctx->rc_max_rate;
+ rc_target_percentage = (avctx->bit_rate * 100) /
+ avctx->rc_max_rate;
+ } else {
+ // We only have a target bitrate, but this mode requires
+ // that a maximum rate be supplied as well. Since the
+ // user does not want this to be a constraint, arbitrarily
+ // pick a maximum rate of double the target rate.
+ rc_bits_per_second = 2 * avctx->bit_rate;
+ rc_target_percentage = 50;
+ }
} else {
- ctx->va_rc_mode = VA_RC_CBR;
+ if (avctx->rc_max_rate > avctx->bit_rate) {
+ av_log(avctx, AV_LOG_WARNING, "Max bitrate is ignored "
+ "in %s RC mode.\n", rc_mode->name);
+ }
+ rc_bits_per_second = avctx->bit_rate;
+ rc_target_percentage = 100;
}
-
- rc_bits_per_second = avctx->bit_rate;
+ } else {
+ rc_bits_per_second = 0;
rc_target_percentage = 100;
+ }
+ if (rc_mode->quality) {
+ if (ctx->explicit_qp) {
+ rc_quality = ctx->explicit_qp;
+ } else if (avctx->global_quality > 0) {
+ rc_quality = avctx->global_quality;
+ } else {
+ rc_quality = ctx->codec->default_quality;
+ av_log(avctx, AV_LOG_WARNING, "No quality level set; "
+ "using default (%d).\n", rc_quality);
+ }
} else {
- if (rc_attr.value & VA_RC_VBR) {
- ctx->va_rc_mode = VA_RC_VBR;
-
- // We only have a target bitrate, but VAAPI requires that a
- // maximum rate be supplied as well. Since the user has
- // offered no particular constraint, arbitrarily pick a
- // maximum rate of double the target rate.
- rc_bits_per_second = 2 * avctx->bit_rate;
- rc_target_percentage = 50;
+ rc_quality = 0;
+ }
+
+ if (rc_mode->hrd) {
+ if (avctx->rc_buffer_size)
+ hrd_buffer_size = avctx->rc_buffer_size;
+ else if (avctx->rc_max_rate > 0)
+ hrd_buffer_size = avctx->rc_max_rate;
+ else
+ hrd_buffer_size = avctx->bit_rate;
+ if (avctx->rc_initial_buffer_occupancy) {
+ if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
+ "must have initial buffer size (%d) <= "
+ "buffer size (%"PRId64").\n",
+ avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
+ return AVERROR(EINVAL);
+ }
+ hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
} else {
- ctx->va_rc_mode = VA_RC_CBR;
+ hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
+ }
- rc_bits_per_second = avctx->bit_rate;
- rc_target_percentage = 100;
+ rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
+ } else {
+ if (avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
+ av_log(avctx, AV_LOG_WARNING, "Buffering settings are ignored "
+ "in %s RC mode.\n", rc_mode->name);
}
- }
- rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
+ hrd_buffer_size = 0;
+ hrd_initial_buffer_fullness = 0;
- av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s, %d%% of %"PRId64" bps "
- "over %d ms.\n", ctx->va_rc_mode == VA_RC_VBR ? "VBR" : "CBR",
- rc_target_percentage, rc_bits_per_second, rc_window_size);
- av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
- "initial fullness %"PRId64" bits.\n",
- hrd_buffer_size, hrd_initial_buffer_fullness);
+ if (rc_mode->mode != RC_MODE_AVBR) {
+ // Already set (with completely different meaning) for AVBR.
+ rc_window_size = 1000;
+ }
+ }
if (rc_bits_per_second > UINT32_MAX ||
hrd_buffer_size > UINT32_MAX ||
return AVERROR(EINVAL);
}
+ ctx->rc_mode = rc_mode;
+ ctx->rc_quality = rc_quality;
+ ctx->va_rc_mode = rc_mode->va_mode;
ctx->va_bit_rate = rc_bits_per_second;
- ctx->config_attributes[ctx->nb_config_attributes++] =
- (VAConfigAttrib) {
- .type = VAConfigAttribRateControl,
- .value = ctx->va_rc_mode,
- };
+ av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name);
+ if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
+ // This driver does not want the RC mode attribute to be set.
+ } else {
+ ctx->config_attributes[ctx->nb_config_attributes++] =
+ (VAConfigAttrib) {
+ .type = VAConfigAttribRateControl,
+ .value = ctx->va_rc_mode,
+ };
+ }
+
+ if (rc_mode->quality)
+ av_log(avctx, AV_LOG_VERBOSE, "RC quality: %d.\n", rc_quality);
+
+ if (rc_mode->va_mode != VA_RC_CQP) {
+ if (rc_mode->mode == RC_MODE_AVBR) {
+ av_log(avctx, AV_LOG_VERBOSE, "RC target: %"PRId64" bps "
+ "converging in %d frames with %d%% accuracy.\n",
+ rc_bits_per_second, rc_window_size,
+ rc_target_percentage);
+ } else if (rc_mode->bitrate) {
+ av_log(avctx, AV_LOG_VERBOSE, "RC target: %d%% of "
+ "%"PRId64" bps over %d ms.\n", rc_target_percentage,
+ rc_bits_per_second, rc_window_size);
+ }
- ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
- ctx->rc_params.rc = (VAEncMiscParameterRateControl) {
- .bits_per_second = rc_bits_per_second,
- .target_percentage = rc_target_percentage,
- .window_size = rc_window_size,
- .initial_qp = 0,
- .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
- .basic_unit_size = 0,
+ ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
+ ctx->rc_params.rc = (VAEncMiscParameterRateControl) {
+ .bits_per_second = rc_bits_per_second,
+ .target_percentage = rc_target_percentage,
+ .window_size = rc_window_size,
+ .initial_qp = 0,
+ .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
+ .basic_unit_size = 0,
#if VA_CHECK_VERSION(1, 1, 0)
- .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
+ .ICQ_quality_factor = av_clip(rc_quality, 1, 51),
+ .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
#endif
- };
- vaapi_encode_add_global_param(avctx, &ctx->rc_params.misc,
- sizeof(ctx->rc_params));
+#if VA_CHECK_VERSION(1, 3, 0)
+ .quality_factor = rc_quality,
+#endif
+ };
+ vaapi_encode_add_global_param(avctx, &ctx->rc_params.misc,
+ sizeof(ctx->rc_params));
+ }
- ctx->hrd_params.misc.type = VAEncMiscParameterTypeHRD;
- ctx->hrd_params.hrd = (VAEncMiscParameterHRD) {
- .initial_buffer_fullness = hrd_initial_buffer_fullness,
- .buffer_size = hrd_buffer_size,
- };
- vaapi_encode_add_global_param(avctx, &ctx->hrd_params.misc,
- sizeof(ctx->hrd_params));
+ if (rc_mode->hrd) {
+ av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
+ "initial fullness %"PRId64" bits.\n",
+ hrd_buffer_size, hrd_initial_buffer_fullness);
+
+ ctx->hrd_params.misc.type = VAEncMiscParameterTypeHRD;
+ ctx->hrd_params.hrd = (VAEncMiscParameterHRD) {
+ .initial_buffer_fullness = hrd_initial_buffer_fullness,
+ .buffer_size = hrd_buffer_size,
+ };
+ vaapi_encode_add_global_param(avctx, &ctx->hrd_params.misc,
+ sizeof(ctx->hrd_params));
+ }
if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
av_reduce(&fr_num, &fr_den,
av_reduce(&fr_num, &fr_den,
avctx->time_base.den, avctx->time_base.num, 65535);
+ av_log(avctx, AV_LOG_VERBOSE, "RC framerate: %d/%d (%.2f fps).\n",
+ fr_num, fr_den, (double)fr_num / fr_den);
+
ctx->fr_params.misc.type = VAEncMiscParameterTypeFrameRate;
ctx->fr_params.fr.framerate = (unsigned int)fr_den << 16 | fr_num;
ref_l1 = attr.value >> 16 & 0xffff;
}
- if (avctx->gop_size <= 1) {
+ if (ctx->codec->flags & FLAG_INTRA_ONLY ||
+ avctx->gop_size <= 1) {
av_log(avctx, AV_LOG_VERBOSE, "Using intra frames only.\n");
ctx->gop_size = 1;
} else if (ref_l0 < 1) {
av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
"reference frames.\n");
return AVERROR(EINVAL);
- } else if (ref_l1 < 1 || avctx->max_b_frames < 1) {
+ } else if (!(ctx->codec->flags & FLAG_B_PICTURES) ||
+ ref_l1 < 1 || avctx->max_b_frames < 1) {
av_log(avctx, AV_LOG_VERBOSE, "Using intra and P-frames "
"(supported references: %d / %d).\n", ref_l0, ref_l1);
ctx->gop_size = avctx->gop_size;
ctx->gop_size = avctx->gop_size;
ctx->p_per_i = INT_MAX;
ctx->b_per_p = avctx->max_b_frames;
+ if (ctx->codec->flags & FLAG_B_PICTURE_REFERENCES) {
+ ctx->max_b_depth = FFMIN(ctx->desired_b_depth,
+ av_log2(ctx->b_per_p) + 1);
+ } else {
+ ctx->max_b_depth = 1;
+ }
+ }
+
+ if (ctx->codec->flags & FLAG_NON_IDR_KEY_PICTURES) {
+ ctx->closed_gop = !!(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
+ ctx->gop_per_idr = ctx->idr_interval + 1;
+ } else {
+ ctx->closed_gop = 1;
+ ctx->gop_per_idr = 1;
}
return 0;
ctx->recon_frames->sw_format = recon_format;
ctx->recon_frames->width = ctx->surface_width;
ctx->recon_frames->height = ctx->surface_height;
- // At most three IDR/I/P frames and two runs of B frames can be in
- // flight at any one time.
- ctx->recon_frames->initial_pool_size = 3 + 2 * ctx->b_per_p;
err = av_hwframe_ctx_init(ctx->recon_frames_ref);
if (err < 0) {
goto fail;
}
- ctx->input_order = 0;
ctx->output_delay = ctx->b_per_p;
- ctx->decode_delay = 1;
- ctx->output_order = - ctx->output_delay - 1;
+ ctx->decode_delay = ctx->max_b_depth;
if (ctx->codec->sequence_params_size > 0) {
ctx->codec_sequence_params =
}
}
- // This should be configurable somehow. (Needs testing on a machine
- // where it actually overlaps properly, though.)
- ctx->issue_mode = ISSUE_MODE_MAXIMISE_THROUGHPUT;
-
if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
ctx->codec->write_sequence_header &&
avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {