#include "libavutil/avassert.h"
#include "libavutil/common.h"
+#include "libavutil/internal.h"
#include "libavutil/log.h"
#include "libavutil/pixdesc.h"
#include "vaapi_encode.h"
+#include "encode.h"
#include "avcodec.h"
+const AVCodecHWConfigInternal *const ff_vaapi_encode_hw_configs[] = {
+ HW_CONFIG_ENCODER_FRAMES(VAAPI, VAAPI),
+ NULL,
+};
+
static const char * const picture_type_name[] = { "IDR", "I", "P", "B" };
static int vaapi_encode_make_packed_header(AVCodecContext *avctx,
return 0;
}
+static int vaapi_encode_make_misc_param_buffer(AVCodecContext *avctx,
+ VAAPIEncodePicture *pic,
+ int type,
+ const void *data, size_t len)
+{
+ // Construct the buffer on the stack - 1KB is much larger than any
+ // current misc parameter buffer type (the largest is EncQuality at
+ // 224 bytes).
+ uint8_t buffer[1024];
+ VAEncMiscParameterBuffer header = {
+ .type = type,
+ };
+ size_t buffer_size = sizeof(header) + len;
+ av_assert0(buffer_size <= sizeof(buffer));
+
+ memcpy(buffer, &header, sizeof(header));
+ memcpy(buffer + sizeof(header), data, len);
+
+ return vaapi_encode_make_param_buffer(avctx, pic,
+ VAEncMiscParameterBufferType,
+ buffer, buffer_size);
+}
+
static int vaapi_encode_wait(AVCodecContext *avctx,
VAAPIEncodePicture *pic)
{
return 0;
}
+static int vaapi_encode_make_row_slice(AVCodecContext *avctx,
+ VAAPIEncodePicture *pic)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAAPIEncodeSlice *slice;
+ int i, rounding;
+
+ for (i = 0; i < pic->nb_slices; i++)
+ pic->slices[i].row_size = ctx->slice_size;
+
+ rounding = ctx->slice_block_rows - ctx->nb_slices * ctx->slice_size;
+ if (rounding > 0) {
+ // Place rounding error at top and bottom of frame.
+ av_assert0(rounding < pic->nb_slices);
+ // Some Intel drivers contain a bug where the encoder will fail
+ // if the last slice is smaller than the one before it. Since
+ // that's straightforward to avoid here, just do so.
+ if (rounding <= 2) {
+ for (i = 0; i < rounding; i++)
+ ++pic->slices[i].row_size;
+ } else {
+ for (i = 0; i < (rounding + 1) / 2; i++)
+ ++pic->slices[pic->nb_slices - i - 1].row_size;
+ for (i = 0; i < rounding / 2; i++)
+ ++pic->slices[i].row_size;
+ }
+ } else if (rounding < 0) {
+ // Remove rounding error from last slice only.
+ av_assert0(rounding < ctx->slice_size);
+ pic->slices[pic->nb_slices - 1].row_size += rounding;
+ }
+
+ for (i = 0; i < pic->nb_slices; i++) {
+ slice = &pic->slices[i];
+ slice->index = i;
+ if (i == 0) {
+ slice->row_start = 0;
+ slice->block_start = 0;
+ } else {
+ const VAAPIEncodeSlice *prev = &pic->slices[i - 1];
+ slice->row_start = prev->row_start + prev->row_size;
+ slice->block_start = prev->block_start + prev->block_size;
+ }
+ slice->block_size = slice->row_size * ctx->slice_block_cols;
+
+ av_log(avctx, AV_LOG_DEBUG, "Slice %d: %d-%d (%d rows), "
+ "%d-%d (%d blocks).\n", i, slice->row_start,
+ slice->row_start + slice->row_size - 1, slice->row_size,
+ slice->block_start, slice->block_start + slice->block_size - 1,
+ slice->block_size);
+ }
+
+ return 0;
+}
+
+static int vaapi_encode_make_tile_slice(AVCodecContext *avctx,
+ VAAPIEncodePicture *pic)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAAPIEncodeSlice *slice;
+ int i, j, index;
+
+ for (i = 0; i < ctx->tile_cols; i++) {
+ for (j = 0; j < ctx->tile_rows; j++) {
+ index = j * ctx->tile_cols + i;
+ slice = &pic->slices[index];
+ slice->index = index;
+
+ pic->slices[index].block_start = ctx->col_bd[i] +
+ ctx->row_bd[j] * ctx->slice_block_cols;
+ pic->slices[index].block_size = ctx->row_height[j] * ctx->col_width[i];
+
+ av_log(avctx, AV_LOG_DEBUG, "Slice %2d: (%2d, %2d) start at: %4d "
+ "width:%2d height:%2d (%d blocks).\n", index, ctx->col_bd[i],
+ ctx->row_bd[j], slice->block_start, ctx->col_width[i],
+ ctx->row_height[j], slice->block_size);
+ }
+ }
+
+ return 0;
+}
+
static int vaapi_encode_issue(AVCodecContext *avctx,
VAAPIEncodePicture *pic)
{
int err, i;
char data[MAX_PARAM_BUFFER_SIZE];
size_t bit_len;
+ av_unused AVFrameSideData *sd;
av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" "
"as type %s.\n", pic->display_order, pic->encode_order,
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);
if (pic->type == PICTURE_TYPE_IDR) {
for (i = 0; i < ctx->nb_global_params; i++) {
- err = vaapi_encode_make_param_buffer(avctx, pic,
- VAEncMiscParameterBufferType,
- (char*)ctx->global_params[i],
- ctx->global_params_size[i]);
+ err = vaapi_encode_make_misc_param_buffer(avctx, pic,
+ ctx->global_params_type[i],
+ ctx->global_params[i],
+ ctx->global_params_size[i]);
if (err < 0)
goto fail;
}
}
}
+ if (pic->nb_slices == 0)
+ pic->nb_slices = ctx->nb_slices;
if (pic->nb_slices > 0) {
pic->slices = av_mallocz_array(pic->nb_slices, sizeof(*pic->slices));
if (!pic->slices) {
err = AVERROR(ENOMEM);
goto fail;
}
+
+ if (ctx->tile_rows && ctx->tile_cols)
+ vaapi_encode_make_tile_slice(avctx, pic);
+ else
+ vaapi_encode_make_row_slice(avctx, pic);
}
+
for (i = 0; i < pic->nb_slices; i++) {
slice = &pic->slices[i];
- slice->index = i;
if (ctx->codec->slice_params_size > 0) {
slice->codec_slice_params = av_mallocz(ctx->codec->slice_params_size);
}
}
+#if VA_CHECK_VERSION(1, 0, 0)
+ sd = av_frame_get_side_data(pic->input_image,
+ AV_FRAME_DATA_REGIONS_OF_INTEREST);
+ if (sd && ctx->roi_allowed) {
+ const AVRegionOfInterest *roi;
+ uint32_t roi_size;
+ VAEncMiscParameterBufferROI param_roi;
+ int nb_roi, i, v;
+
+ roi = (const AVRegionOfInterest*)sd->data;
+ roi_size = roi->self_size;
+ av_assert0(roi_size && sd->size % roi_size == 0);
+ nb_roi = sd->size / roi_size;
+ if (nb_roi > ctx->roi_max_regions) {
+ if (!ctx->roi_warned) {
+ av_log(avctx, AV_LOG_WARNING, "More ROIs set than "
+ "supported by driver (%d > %d).\n",
+ nb_roi, ctx->roi_max_regions);
+ ctx->roi_warned = 1;
+ }
+ nb_roi = ctx->roi_max_regions;
+ }
+
+ pic->roi = av_mallocz_array(nb_roi, sizeof(*pic->roi));
+ if (!pic->roi) {
+ err = AVERROR(ENOMEM);
+ goto fail;
+ }
+ // For overlapping regions, the first in the array takes priority.
+ for (i = 0; i < nb_roi; i++) {
+ roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
+
+ av_assert0(roi->qoffset.den != 0);
+ v = roi->qoffset.num * ctx->roi_quant_range / roi->qoffset.den;
+ av_log(avctx, AV_LOG_DEBUG, "ROI: (%d,%d)-(%d,%d) -> %+d.\n",
+ roi->top, roi->left, roi->bottom, roi->right, v);
+
+ pic->roi[i] = (VAEncROI) {
+ .roi_rectangle = {
+ .x = roi->left,
+ .y = roi->top,
+ .width = roi->right - roi->left,
+ .height = roi->bottom - roi->top,
+ },
+ .roi_value = av_clip_int8(v),
+ };
+ }
+
+ param_roi = (VAEncMiscParameterBufferROI) {
+ .num_roi = nb_roi,
+ .max_delta_qp = INT8_MAX,
+ .min_delta_qp = INT8_MIN,
+ .roi = pic->roi,
+ .roi_flags.bits.roi_value_is_qp_delta = 1,
+ };
+
+ err = vaapi_encode_make_misc_param_buffer(avctx, pic,
+ VAEncMiscParameterTypeROI,
+ ¶m_roi,
+ sizeof(param_roi));
+ if (err < 0)
+ goto fail;
+ }
+#endif
+
vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
pic->input_surface);
if (vas != VA_STATUS_SUCCESS) {
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);
fail:
for(i = 0; i < pic->nb_param_buffers; i++)
vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]);
- for (i = 0; i < pic->nb_slices; i++) {
- if (pic->slices) {
- av_freep(&pic->slices[i].priv_data);
+ if (pic->slices) {
+ for (i = 0; i < pic->nb_slices; i++)
av_freep(&pic->slices[i].codec_slice_params);
- }
}
fail_at_end:
av_freep(&pic->codec_picture_params);
av_freep(&pic->param_buffers);
av_freep(&pic->slices);
+ av_freep(&pic->roi);
av_frame_free(&pic->recon_image);
av_buffer_unref(&pic->output_buffer_ref);
pic->output_buffer = VA_INVALID_ID;
VAAPIEncodeContext *ctx = avctx->priv_data;
VACodedBufferSegment *buf_list, *buf;
VAStatus vas;
+ int total_size = 0;
+ uint8_t *ptr;
int err;
err = vaapi_encode_wait(avctx, pic);
goto fail;
}
+ for (buf = buf_list; buf; buf = buf->next)
+ total_size += buf->size;
+
+ err = ff_get_encode_buffer(avctx, pkt, total_size, 0);
+ ptr = pkt->data;
+
+ if (err < 0)
+ goto fail_mapped;
+
for (buf = buf_list; buf; buf = buf->next) {
av_log(avctx, AV_LOG_DEBUG, "Output buffer: %u bytes "
"(status %08x).\n", buf->size, buf->status);
- err = av_new_packet(pkt, buf->size);
- if (err < 0)
- goto fail_mapped;
-
- memcpy(pkt->data, buf->buf, buf->size);
+ memcpy(ptr, buf->buf, buf->size);
+ ptr += buf->size;
}
if (pic->type == PICTURE_TYPE_IDR)
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;
if (pic->encode_issued)
vaapi_encode_discard(avctx, pic);
- for (i = 0; i < pic->nb_slices; i++) {
- if (pic->slices) {
- av_freep(&pic->slices[i].priv_data);
+ if (pic->slices) {
+ for (i = 0; i < pic->nb_slices; i++)
av_freep(&pic->slices[i].codec_slice_params);
- }
}
av_freep(&pic->codec_picture_params);
av_freep(&pic->priv_data);
av_freep(&pic->codec_picture_params);
+ av_freep(&pic->roi);
av_free(pic);
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;
- }
- }
-
- err = vaapi_encode_issue(avctx, pic);
- if (err < 0)
- return err;
+ int refs = 0;
- } 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 >= avctx->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 < avctx->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;
+ }
+
+ // 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;
+ }
+
+ // 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;
+ }
+
+ 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;
- last_pic->nb_refs = 1;
- last_pic->refs[1] = NULL;
+ } 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 {
- // We can use the current structure (no references point
- // beyond the end), but there are unused pics to discard.
+ 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;
- // 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);
+ } else {
+ 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;
- last_pic->next = NULL;
- ctx->pic_end = last_pic;
+ 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);
+ }
+ 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 {
- // Input is available for all pictures, so we don't need to
- // mangle anything.
+ 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, *prev, *next;
- av_log(avctx, AV_LOG_DEBUG, "Pictures ending truncated GOP:");
+ av_assert0(ctx->pic_start);
+
+ // Remove direct references once each picture is complete.
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);
+ if (pic->encode_complete && pic->next)
+ vaapi_encode_remove_refs(avctx, pic, 0);
+ }
+
+ // 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;
+ }
}
- av_log(avctx, AV_LOG_DEBUG, "\n");
return 0;
}
-static int vaapi_encode_clear_old(AVCodecContext *avctx)
+static int vaapi_encode_check_frame(AVCodecContext *avctx,
+ const AVFrame *frame)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
- VAAPIEncodePicture *pic, *old;
- int i;
- while (ctx->pic_start != ctx->pic_end) {
- old = ctx->pic_start;
- if (old->encode_order > ctx->output_order)
- break;
+ if ((frame->crop_top || frame->crop_bottom ||
+ frame->crop_left || frame->crop_right) && !ctx->crop_warned) {
+ av_log(avctx, AV_LOG_WARNING, "Cropping information on input "
+ "frames ignored due to lack of API support.\n");
+ ctx->crop_warned = 1;
+ }
- 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;
- }
- }
- }
+ if (!ctx->roi_allowed) {
+ AVFrameSideData *sd =
+ av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
- pic = ctx->pic_start;
- ctx->pic_start = pic->next;
- vaapi_encode_free(avctx, pic);
+ if (sd && !ctx->roi_warned) {
+ av_log(avctx, AV_LOG_WARNING, "ROI side data on input "
+ "frames ignored due to lack of driver support.\n");
+ ctx->roi_warned = 1;
+ }
}
return 0;
}
-int ff_vaapi_encode2(AVCodecContext *avctx, AVPacket *pkt,
- const AVFrame *input_image, int *got_packet)
+static int vaapi_encode_send_frame(AVCodecContext *avctx, 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 (input_image->pict_type == AV_PICTURE_TYPE_I) {
- err = vaapi_encode_truncate_gop(avctx);
- if (err < 0)
- goto fail;
- ctx->force_idr = 1;
- }
+ if (frame) {
+ av_log(avctx, AV_LOG_DEBUG, "Input frame: %ux%u (%"PRId64").\n",
+ frame->width, frame->height, frame->pts);
- err = vaapi_encode_get_next(avctx, &pic);
- if (err) {
- av_log(avctx, AV_LOG_ERROR, "Input setup failed: %d.\n", err);
+ err = vaapi_encode_check_frame(avctx, frame);
+ if (err < 0)
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);
- 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 || frame->pict_type == AV_PICTURE_TYPE_I)
+ pic->force_idr = 1;
+
+ pic->input_surface = (VASurfaceID)(uintptr_t)frame->data[3];
+ pic->pts = frame->pts;
+
+ av_frame_move_ref(pic->input_image, frame);
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;
-
- } else {
- if (!ctx->end_of_stream) {
- err = vaapi_encode_truncate_gop(avctx);
- if (err < 0)
- goto fail;
- ctx->end_of_stream = 1;
- }
- }
-
- ++ctx->input_order;
- ++ctx->output_order;
- av_assert0(ctx->output_order + ctx->output_delay + 1 == ctx->input_order);
-
- for (pic = ctx->pic_start; pic; pic = pic->next)
- if (pic->encode_order == ctx->output_order)
- break;
-
- // 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.
-
- err = vaapi_encode_step(avctx, pic);
- if (err < 0) {
- av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
- goto fail;
- }
-
- 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->display_order = ctx->input_order;
+ ++ctx->input_order;
- 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;
+ if (ctx->pic_start) {
+ ctx->pic_end->next = pic;
+ ctx->pic_end = pic;
} else {
- pkt->dts = ctx->ts_ring[(ctx->output_order - ctx->decode_delay) %
- (3 * ctx->output_delay)];
+ ctx->pic_start = pic;
+ ctx->pic_end = pic;
}
- *got_packet = 1;
- }
+ } else {
+ ctx->end_of_stream = 1;
- err = vaapi_encode_clear_old(avctx);
- if (err < 0) {
- av_log(avctx, AV_LOG_ERROR, "List clearing failed: %d.\n", err);
- goto fail;
+ // 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;
}
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.
+ vaapi_encode_free(avctx, pic);
return err;
}
-static av_cold void vaapi_encode_add_global_param(AVCodecContext *avctx,
- VAEncMiscParameterBuffer *buffer,
- size_t size)
+int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAAPIEncodePicture *pic;
+ AVFrame *frame = ctx->frame;
+ int err;
- av_assert0(ctx->nb_global_params < MAX_GLOBAL_PARAMS);
+ err = ff_encode_get_frame(avctx, frame);
+ if (err < 0 && err != AVERROR_EOF)
+ return err;
- ctx->global_params [ctx->nb_global_params] = buffer;
- ctx->global_params_size[ctx->nb_global_params] = size;
+ if (err == AVERROR_EOF)
+ frame = NULL;
- ++ctx->nb_global_params;
-}
+ err = vaapi_encode_send_frame(avctx, frame);
+ if (err < 0)
+ return err;
-typedef struct VAAPIEncodeRTFormat {
- const char *name;
- unsigned int value;
- int depth;
- int nb_components;
- int log2_chroma_w;
- int log2_chroma_h;
-} VAAPIEncodeRTFormat;
+ if (!ctx->pic_start) {
+ if (ctx->end_of_stream)
+ return AVERROR_EOF;
+ else
+ return AVERROR(EAGAIN);
+ }
-static const VAAPIEncodeRTFormat vaapi_encode_rt_formats[] = {
- { "YUV400", VA_RT_FORMAT_YUV400, 8, 1, },
+ pic = NULL;
+ err = vaapi_encode_pick_next(avctx, &pic);
+ if (err < 0)
+ return err;
+ av_assert0(pic);
+
+ pic->encode_order = ctx->encode_order++;
+
+ 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_output(avctx, pic, pkt);
+ if (err < 0) {
+ 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;
+}
+
+
+static av_cold void vaapi_encode_add_global_param(AVCodecContext *avctx, int type,
+ void *buffer, size_t size)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+
+ av_assert0(ctx->nb_global_params < MAX_GLOBAL_PARAMS);
+
+ ctx->global_params_type[ctx->nb_global_params] = type;
+ ctx->global_params [ctx->nb_global_params] = buffer;
+ ctx->global_params_size[ctx->nb_global_params] = size;
+
+ ++ctx->nb_global_params;
+}
+
+typedef struct VAAPIEncodeRTFormat {
+ const char *name;
+ unsigned int value;
+ int depth;
+ int nb_components;
+ int log2_chroma_w;
+ int log2_chroma_h;
+} VAAPIEncodeRTFormat;
+
+static const VAAPIEncodeRTFormat vaapi_encode_rt_formats[] = {
+ { "YUV400", VA_RT_FORMAT_YUV400, 8, 1, },
{ "YUV420", VA_RT_FORMAT_YUV420, 8, 3, 1, 1 },
{ "YUV422", VA_RT_FORMAT_YUV422, 8, 3, 1, 0 },
+#if VA_CHECK_VERSION(1, 2, 0)
+ { "YUV422_10", VA_RT_FORMAT_YUV422_10, 10, 3, 1, 0 },
+#endif
{ "YUV444", VA_RT_FORMAT_YUV444, 8, 3, 0, 0 },
{ "YUV411", VA_RT_FORMAT_YUV411, 8, 3, 2, 0 },
#if VA_CHECK_VERSION(0, 38, 1)
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 av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx)
-{
- VAAPIEncodeContext *ctx = avctx->priv_data;
- VAStatus vas;
- int i;
-
- VAConfigAttrib attr[] = {
- { VAConfigAttribEncMaxRefFrames },
- { VAConfigAttribEncPackedHeaders },
- };
-
- vas = vaGetConfigAttributes(ctx->hwctx->display,
- ctx->va_profile, ctx->va_entrypoint,
- attr, FF_ARRAY_ELEMS(attr));
- if (vas != VA_STATUS_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "Failed to fetch config "
- "attributes: %d (%s).\n", vas, vaErrorStr(vas));
- return AVERROR(EINVAL);
- }
-
- for (i = 0; i < FF_ARRAY_ELEMS(attr); i++) {
- if (attr[i].value == VA_ATTRIB_NOT_SUPPORTED) {
- // Unfortunately we have to treat this as "don't know" and hope
- // for the best, because the Intel MJPEG encoder returns this
- // for all the interesting attributes.
- av_log(avctx, AV_LOG_DEBUG, "Attribute (%d) is not supported.\n",
- attr[i].type);
- continue;
- }
- switch (attr[i].type) {
- case VAConfigAttribEncMaxRefFrames:
- {
- unsigned int ref_l0 = attr[i].value & 0xffff;
- unsigned int ref_l1 = (attr[i].value >> 16) & 0xffff;
-
- if (avctx->gop_size > 1 && ref_l0 < 1) {
- av_log(avctx, AV_LOG_ERROR, "P frames are not "
- "supported (%#x).\n", attr[i].value);
- return AVERROR(EINVAL);
- }
- if (avctx->max_b_frames > 0 && ref_l1 < 1) {
- av_log(avctx, AV_LOG_WARNING, "B frames are not "
- "supported (%#x) by the underlying driver.\n",
- attr[i].value);
- avctx->max_b_frames = 0;
- }
- }
- break;
- case VAConfigAttribEncPackedHeaders:
- if (ctx->va_packed_headers & ~attr[i].value) {
- // This isn't fatal, but packed headers are always
- // preferable because they are under our control.
- // When absent, the driver is generating them and some
- // features may not work (e.g. VUI or SEI in H.264).
- av_log(avctx, AV_LOG_WARNING, "Warning: some packed "
- "headers are not supported (want %#x, got %#x).\n",
- ctx->va_packed_headers, attr[i].value);
- ctx->va_packed_headers &= attr[i].value;
- }
- ctx->config_attributes[ctx->nb_config_attributes++] =
- (VAConfigAttrib) {
- .type = VAConfigAttribEncPackedHeaders,
- .value = ctx->va_packed_headers,
- };
- break;
- default:
- av_assert0(0 && "Unexpected config attribute.");
- }
- }
-
- return 0;
-}
+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 = (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,
+ VAEncMiscParameterTypeRateControl,
+ &ctx->rc_params,
+ 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 = (VAEncMiscParameterHRD) {
+ .initial_buffer_fullness = hrd_initial_buffer_fullness,
+ .buffer_size = hrd_buffer_size,
+ };
+ vaapi_encode_add_global_param(avctx,
+ VAEncMiscParameterTypeHRD,
+ &ctx->hrd_params,
+ 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);
- ctx->fr_params.misc.type = VAEncMiscParameterTypeFrameRate;
- ctx->fr_params.fr.framerate = (unsigned int)fr_den << 16 | fr_num;
+ 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 = (VAEncMiscParameterFrameRate) {
+ .framerate = (unsigned int)fr_den << 16 | fr_num,
+ };
#if VA_CHECK_VERSION(0, 40, 0)
- vaapi_encode_add_global_param(avctx, &ctx->fr_params.misc,
+ vaapi_encode_add_global_param(avctx,
+ VAEncMiscParameterTypeFrameRate,
+ &ctx->fr_params,
sizeof(ctx->fr_params));
#endif
return 0;
}
+static av_cold int vaapi_encode_init_gop_structure(AVCodecContext *avctx)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAStatus vas;
+ VAConfigAttrib attr = { VAConfigAttribEncMaxRefFrames };
+ uint32_t ref_l0, ref_l1;
+
+ vas = vaGetConfigAttributes(ctx->hwctx->display,
+ ctx->va_profile,
+ ctx->va_entrypoint,
+ &attr, 1);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to query reference frames "
+ "attribute: %d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+
+ if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
+ ref_l0 = ref_l1 = 0;
+ } else {
+ ref_l0 = attr.value & 0xffff;
+ ref_l1 = attr.value >> 16 & 0xffff;
+ }
+
+ 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 (!(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->p_per_i = INT_MAX;
+ ctx->b_per_p = 0;
+ } else {
+ av_log(avctx, AV_LOG_VERBOSE, "Using intra, P- and B-frames "
+ "(supported references: %d / %d).\n", ref_l0, ref_l1);
+ 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;
+}
+
+static av_cold int vaapi_encode_init_row_slice_structure(AVCodecContext *avctx,
+ uint32_t slice_structure)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ int req_slices;
+
+ // For fixed-size slices currently we only support whole rows, making
+ // rectangular slices. This could be extended to arbitrary runs of
+ // blocks, but since slices tend to be a conformance requirement and
+ // most cases (such as broadcast or bluray) want rectangular slices
+ // only it would need to be gated behind another option.
+ if (avctx->slices > ctx->slice_block_rows) {
+ av_log(avctx, AV_LOG_WARNING, "Not enough rows to use "
+ "configured number of slices (%d < %d); using "
+ "maximum.\n", ctx->slice_block_rows, avctx->slices);
+ req_slices = ctx->slice_block_rows;
+ } else {
+ req_slices = avctx->slices;
+ }
+ if (slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS ||
+ slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS) {
+ ctx->nb_slices = req_slices;
+ ctx->slice_size = ctx->slice_block_rows / ctx->nb_slices;
+ } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_POWER_OF_TWO_ROWS) {
+ int k;
+ for (k = 1;; k *= 2) {
+ if (2 * k * (req_slices - 1) + 1 >= ctx->slice_block_rows)
+ break;
+ }
+ ctx->nb_slices = (ctx->slice_block_rows + k - 1) / k;
+ ctx->slice_size = k;
+#if VA_CHECK_VERSION(1, 0, 0)
+ } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_EQUAL_ROWS) {
+ ctx->nb_slices = ctx->slice_block_rows;
+ ctx->slice_size = 1;
+#endif
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "Driver does not support any usable "
+ "slice structure modes (%#x).\n", slice_structure);
+ return AVERROR(EINVAL);
+ }
+
+ return 0;
+}
+
+static av_cold int vaapi_encode_init_tile_slice_structure(AVCodecContext *avctx,
+ uint32_t slice_structure)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ int i, req_tiles;
+
+ if (!(slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS ||
+ (slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS &&
+ ctx->tile_cols == 1))) {
+ av_log(avctx, AV_LOG_ERROR, "Supported slice structure (%#x) doesn't work for "
+ "current tile requirement.\n", slice_structure);
+ return AVERROR(EINVAL);
+ }
+
+ if (ctx->tile_rows > ctx->slice_block_rows ||
+ ctx->tile_cols > ctx->slice_block_cols) {
+ av_log(avctx, AV_LOG_WARNING, "Not enough block rows/cols (%d x %d) "
+ "for configured number of tile (%d x %d); ",
+ ctx->slice_block_rows, ctx->slice_block_cols,
+ ctx->tile_rows, ctx->tile_cols);
+ ctx->tile_rows = ctx->tile_rows > ctx->slice_block_rows ?
+ ctx->slice_block_rows : ctx->tile_rows;
+ ctx->tile_cols = ctx->tile_cols > ctx->slice_block_cols ?
+ ctx->slice_block_cols : ctx->tile_cols;
+ av_log(avctx, AV_LOG_WARNING, "using allowed maximum (%d x %d).\n",
+ ctx->tile_rows, ctx->tile_cols);
+ }
+
+ req_tiles = ctx->tile_rows * ctx->tile_cols;
+
+ // Tile slice is not allowed to cross the boundary of a tile due to
+ // the constraints of media-driver. Currently we support one slice
+ // per tile. This could be extended to multiple slices per tile.
+ if (avctx->slices != req_tiles)
+ av_log(avctx, AV_LOG_WARNING, "The number of requested slices "
+ "mismatches with configured number of tile (%d != %d); "
+ "using requested tile number for slice.\n",
+ avctx->slices, req_tiles);
+
+ ctx->nb_slices = req_tiles;
+
+ // Default in uniform spacing
+ // 6-3, 6-5
+ for (i = 0; i < ctx->tile_cols; i++) {
+ ctx->col_width[i] = ( i + 1 ) * ctx->slice_block_cols / ctx->tile_cols -
+ i * ctx->slice_block_cols / ctx->tile_cols;
+ ctx->col_bd[i + 1] = ctx->col_bd[i] + ctx->col_width[i];
+ }
+ // 6-4, 6-6
+ for (i = 0; i < ctx->tile_rows; i++) {
+ ctx->row_height[i] = ( i + 1 ) * ctx->slice_block_rows / ctx->tile_rows -
+ i * ctx->slice_block_rows / ctx->tile_rows;
+ ctx->row_bd[i + 1] = ctx->row_bd[i] + ctx->row_height[i];
+ }
+
+ av_log(avctx, AV_LOG_VERBOSE, "Encoding pictures with %d x %d tile.\n",
+ ctx->tile_rows, ctx->tile_cols);
+
+ return 0;
+}
+
+static av_cold int vaapi_encode_init_slice_structure(AVCodecContext *avctx)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAConfigAttrib attr[3] = { { VAConfigAttribEncMaxSlices },
+ { VAConfigAttribEncSliceStructure },
+#if VA_CHECK_VERSION(1, 1, 0)
+ { VAConfigAttribEncTileSupport },
+#endif
+ };
+ VAStatus vas;
+ uint32_t max_slices, slice_structure;
+ int ret;
+
+ if (!(ctx->codec->flags & FLAG_SLICE_CONTROL)) {
+ if (avctx->slices > 0) {
+ av_log(avctx, AV_LOG_WARNING, "Multiple slices were requested "
+ "but this codec does not support controlling slices.\n");
+ }
+ return 0;
+ }
+
+ ctx->slice_block_rows = (avctx->height + ctx->slice_block_height - 1) /
+ ctx->slice_block_height;
+ ctx->slice_block_cols = (avctx->width + ctx->slice_block_width - 1) /
+ ctx->slice_block_width;
+
+ if (avctx->slices <= 1 && !ctx->tile_rows && !ctx->tile_cols) {
+ ctx->nb_slices = 1;
+ ctx->slice_size = ctx->slice_block_rows;
+ return 0;
+ }
+
+ vas = vaGetConfigAttributes(ctx->hwctx->display,
+ ctx->va_profile,
+ ctx->va_entrypoint,
+ attr, FF_ARRAY_ELEMS(attr));
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to query slice "
+ "attributes: %d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+ max_slices = attr[0].value;
+ slice_structure = attr[1].value;
+ if (max_slices == VA_ATTRIB_NOT_SUPPORTED ||
+ slice_structure == VA_ATTRIB_NOT_SUPPORTED) {
+ av_log(avctx, AV_LOG_ERROR, "Driver does not support encoding "
+ "pictures as multiple slices.\n.");
+ return AVERROR(EINVAL);
+ }
+
+ if (ctx->tile_rows && ctx->tile_cols) {
+#if VA_CHECK_VERSION(1, 1, 0)
+ uint32_t tile_support = attr[2].value;
+ if (tile_support == VA_ATTRIB_NOT_SUPPORTED) {
+ av_log(avctx, AV_LOG_ERROR, "Driver does not support encoding "
+ "pictures as multiple tiles.\n.");
+ return AVERROR(EINVAL);
+ }
+#else
+ av_log(avctx, AV_LOG_ERROR, "Tile encoding option is "
+ "not supported with this VAAPI version.\n");
+ return AVERROR(EINVAL);
+#endif
+ }
+
+ if (ctx->tile_rows && ctx->tile_cols)
+ ret = vaapi_encode_init_tile_slice_structure(avctx, slice_structure);
+ else
+ ret = vaapi_encode_init_row_slice_structure(avctx, slice_structure);
+ if (ret < 0)
+ return ret;
+
+ if (ctx->nb_slices > avctx->slices) {
+ av_log(avctx, AV_LOG_WARNING, "Slice count rounded up to "
+ "%d (from %d) due to driver constraints on slice "
+ "structure.\n", ctx->nb_slices, avctx->slices);
+ }
+ if (ctx->nb_slices > max_slices) {
+ av_log(avctx, AV_LOG_ERROR, "Driver does not support "
+ "encoding with %d slices (max %"PRIu32").\n",
+ ctx->nb_slices, max_slices);
+ return AVERROR(EINVAL);
+ }
+
+ av_log(avctx, AV_LOG_VERBOSE, "Encoding pictures with %d slices.\n",
+ ctx->nb_slices);
+ return 0;
+}
+
+static av_cold int vaapi_encode_init_packed_headers(AVCodecContext *avctx)
+{
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAStatus vas;
+ VAConfigAttrib attr = { VAConfigAttribEncPackedHeaders };
+
+ vas = vaGetConfigAttributes(ctx->hwctx->display,
+ ctx->va_profile,
+ ctx->va_entrypoint,
+ &attr, 1);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to query packed headers "
+ "attribute: %d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+
+ if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
+ if (ctx->desired_packed_headers) {
+ av_log(avctx, AV_LOG_WARNING, "Driver does not support any "
+ "packed headers (wanted %#x).\n",
+ ctx->desired_packed_headers);
+ } else {
+ av_log(avctx, AV_LOG_VERBOSE, "Driver does not support any "
+ "packed headers (none wanted).\n");
+ }
+ ctx->va_packed_headers = 0;
+ } else {
+ if (ctx->desired_packed_headers & ~attr.value) {
+ av_log(avctx, AV_LOG_WARNING, "Driver does not support some "
+ "wanted packed headers (wanted %#x, found %#x).\n",
+ ctx->desired_packed_headers, attr.value);
+ } else {
+ av_log(avctx, AV_LOG_VERBOSE, "All wanted packed headers "
+ "available (wanted %#x, found %#x).\n",
+ ctx->desired_packed_headers, attr.value);
+ }
+ ctx->va_packed_headers = ctx->desired_packed_headers & attr.value;
+ }
+
+ if (ctx->va_packed_headers) {
+ ctx->config_attributes[ctx->nb_config_attributes++] =
+ (VAConfigAttrib) {
+ .type = VAConfigAttribEncPackedHeaders,
+ .value = ctx->va_packed_headers,
+ };
+ }
+
+ if ( (ctx->desired_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) &&
+ !(ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) &&
+ (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) {
+ av_log(avctx, AV_LOG_WARNING, "Driver does not support packed "
+ "sequence headers, but a global header is requested.\n");
+ av_log(avctx, AV_LOG_WARNING, "No global header will be written: "
+ "this may result in a stream which is not usable for some "
+ "purposes (e.g. not muxable to some containers).\n");
+ }
+
+ return 0;
+}
+
static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx)
{
#if VA_CHECK_VERSION(0, 36, 0)
quality = attr.value;
}
- ctx->quality_params.misc.type = VAEncMiscParameterTypeQualityLevel;
- ctx->quality_params.quality.quality_level = quality;
-
- vaapi_encode_add_global_param(avctx, &ctx->quality_params.misc,
+ ctx->quality_params = (VAEncMiscParameterBufferQualityLevel) {
+ .quality_level = quality,
+ };
+ vaapi_encode_add_global_param(avctx,
+ VAEncMiscParameterTypeQualityLevel,
+ &ctx->quality_params,
sizeof(ctx->quality_params));
}
#else
return 0;
}
+static av_cold int vaapi_encode_init_roi(AVCodecContext *avctx)
+{
+#if VA_CHECK_VERSION(1, 0, 0)
+ VAAPIEncodeContext *ctx = avctx->priv_data;
+ VAStatus vas;
+ VAConfigAttrib attr = { VAConfigAttribEncROI };
+
+ vas = vaGetConfigAttributes(ctx->hwctx->display,
+ ctx->va_profile,
+ ctx->va_entrypoint,
+ &attr, 1);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to query ROI "
+ "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+
+ if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
+ ctx->roi_allowed = 0;
+ } else {
+ VAConfigAttribValEncROI roi = {
+ .value = attr.value,
+ };
+
+ ctx->roi_max_regions = roi.bits.num_roi_regions;
+ ctx->roi_allowed = ctx->roi_max_regions > 0 &&
+ (ctx->va_rc_mode == VA_RC_CQP ||
+ roi.bits.roi_rc_qp_delta_support);
+ }
+#endif
+ return 0;
+}
+
static void vaapi_encode_free_output_buffer(void *opaque,
uint8_t *data)
{
}
static AVBufferRef *vaapi_encode_alloc_output_buffer(void *opaque,
- int size)
+ size_t size)
{
AVCodecContext *avctx = opaque;
VAAPIEncodeContext *ctx = avctx->priv_data;
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 * avctx->max_b_frames;
err = av_hwframe_ctx_init(ctx->recon_frames_ref);
if (err < 0) {
VAStatus vas;
int err;
+ ctx->frame = av_frame_alloc();
+ if (!ctx->frame) {
+ return AVERROR(ENOMEM);
+ }
+
if (!avctx->hw_frames_ctx) {
av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is "
"required to associate the encoding device.\n");
if (err < 0)
goto fail;
- err = vaapi_encode_config_attributes(avctx);
+ err = vaapi_encode_init_gop_structure(avctx);
+ if (err < 0)
+ goto fail;
+
+ err = vaapi_encode_init_slice_structure(avctx);
+ if (err < 0)
+ goto fail;
+
+ err = vaapi_encode_init_packed_headers(avctx);
+ if (err < 0)
+ goto fail;
+
+ err = vaapi_encode_init_roi(avctx);
if (err < 0)
goto fail;
goto fail;
}
- ctx->input_order = 0;
- ctx->output_delay = avctx->max_b_frames;
- ctx->decode_delay = 1;
- ctx->output_order = - ctx->output_delay - 1;
-
- // Currently we never generate I frames, only IDR.
- ctx->p_per_i = INT_MAX;
- ctx->b_per_p = avctx->max_b_frames;
+ ctx->output_delay = ctx->b_per_p;
+ 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) {
+ ctx->codec->write_sequence_header &&
+ avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
char data[MAX_PARAM_BUFFER_SIZE];
size_t bit_len = 8 * sizeof(data);
return 0;
fail:
- ff_vaapi_encode_close(avctx);
return err;
}
ctx->va_config = VA_INVALID_ID;
}
+ av_frame_free(&ctx->frame);
+
av_freep(&ctx->codec_sequence_params);
av_freep(&ctx->codec_picture_params);