This source file includes following definitions.
- deint_vaapi_mode_name
- deint_vaapi_pipeline_uninit
- deint_vaapi_build_filter_params
- deint_vaapi_config_output
- deint_vaapi_filter_frame
- deint_vaapi_init
#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "vaapi_vpp.h"
#define MAX_REFERENCES 8
typedef struct DeintVAAPIContext {
VAAPIVPPContext vpp_ctx;
int mode;
int field_rate;
int auto_enable;
VAProcFilterCapDeinterlacing
deint_caps[VAProcDeinterlacingCount];
int nb_deint_caps;
VAProcPipelineCaps pipeline_caps;
int queue_depth;
int queue_count;
AVFrame *frame_queue[MAX_REFERENCES];
int extra_delay_for_timestamps;
} DeintVAAPIContext;
static const char *deint_vaapi_mode_name(int mode)
{
switch (mode) {
#define D(name) case VAProcDeinterlacing ## name: return #name
D(Bob);
D(Weave);
D(MotionAdaptive);
D(MotionCompensated);
#undef D
default:
return "Invalid";
}
}
static void deint_vaapi_pipeline_uninit(AVFilterContext *avctx)
{
DeintVAAPIContext *ctx = avctx->priv;
int i;
for (i = 0; i < ctx->queue_count; i++)
av_frame_free(&ctx->frame_queue[i]);
ctx->queue_count = 0;
ff_vaapi_vpp_pipeline_uninit(avctx);
}
static int deint_vaapi_build_filter_params(AVFilterContext *avctx)
{
VAAPIVPPContext *vpp_ctx = avctx->priv;
DeintVAAPIContext *ctx = avctx->priv;
VAStatus vas;
VAProcFilterParameterBufferDeinterlacing params;
int i;
ctx->nb_deint_caps = VAProcDeinterlacingCount;
vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display,
vpp_ctx->va_context,
VAProcFilterDeinterlacing,
&ctx->deint_caps,
&ctx->nb_deint_caps);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to query deinterlacing "
"caps: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR(EIO);
}
if (ctx->mode == VAProcDeinterlacingNone) {
for (i = 0; i < ctx->nb_deint_caps; i++) {
if (ctx->deint_caps[i].type > ctx->mode)
ctx->mode = ctx->deint_caps[i].type;
}
av_log(avctx, AV_LOG_VERBOSE, "Picking %d (%s) as default "
"deinterlacing mode.\n", ctx->mode,
deint_vaapi_mode_name(ctx->mode));
} else {
for (i = 0; i < ctx->nb_deint_caps; i++) {
if (ctx->deint_caps[i].type == ctx->mode)
break;
}
if (i >= ctx->nb_deint_caps) {
av_log(avctx, AV_LOG_ERROR, "Deinterlacing mode %d (%s) is "
"not supported.\n", ctx->mode,
deint_vaapi_mode_name(ctx->mode));
return AVERROR(EINVAL);
}
}
params.type = VAProcFilterDeinterlacing;
params.algorithm = ctx->mode;
params.flags = 0;
vas = ff_vaapi_vpp_make_param_buffers(avctx,
VAProcFilterParameterBufferType,
¶ms,
sizeof(params),
1);
if (vas)
return vas;
vas = vaQueryVideoProcPipelineCaps(vpp_ctx->hwctx->display,
vpp_ctx->va_context,
&vpp_ctx->filter_buffers[0], 1,
&ctx->pipeline_caps);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to query pipeline "
"caps: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR(EIO);
}
ctx->extra_delay_for_timestamps = ctx->field_rate == 2 &&
ctx->pipeline_caps.num_backward_references == 0;
ctx->queue_depth = ctx->pipeline_caps.num_backward_references +
ctx->pipeline_caps.num_forward_references +
ctx->extra_delay_for_timestamps + 1;
if (ctx->queue_depth > MAX_REFERENCES) {
av_log(avctx, AV_LOG_ERROR, "Pipeline requires too many "
"references (%u forward, %u back).\n",
ctx->pipeline_caps.num_forward_references,
ctx->pipeline_caps.num_backward_references);
return AVERROR(ENOSYS);
}
return 0;
}
static int deint_vaapi_config_output(AVFilterLink *outlink)
{
AVFilterLink *inlink = outlink->src->inputs[0];
AVFilterContext *avctx = outlink->src;
DeintVAAPIContext *ctx = avctx->priv;
int err;
err = ff_vaapi_vpp_config_output(outlink);
if (err < 0)
return err;
outlink->time_base = av_mul_q(inlink->time_base,
(AVRational) { 1, ctx->field_rate });
outlink->frame_rate = av_mul_q(inlink->frame_rate,
(AVRational) { ctx->field_rate, 1 });
return 0;
}
static int deint_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
{
AVFilterContext *avctx = inlink->dst;
AVFilterLink *outlink = avctx->outputs[0];
VAAPIVPPContext *vpp_ctx = avctx->priv;
DeintVAAPIContext *ctx = avctx->priv;
AVFrame *output_frame = NULL;
VASurfaceID input_surface;
VASurfaceID backward_references[MAX_REFERENCES];
VASurfaceID forward_references[MAX_REFERENCES];
VAProcPipelineParameterBuffer params;
VAProcFilterParameterBufferDeinterlacing *filter_params;
VAStatus vas;
void *filter_params_addr = NULL;
int err, i, field, current_frame_index;
av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
av_get_pix_fmt_name(input_frame->format),
input_frame->width, input_frame->height, input_frame->pts);
if (ctx->queue_count < ctx->queue_depth) {
ctx->frame_queue[ctx->queue_count++] = input_frame;
if (ctx->queue_count < ctx->queue_depth) {
return 0;
}
} else {
av_frame_free(&ctx->frame_queue[0]);
for (i = 0; i + 1 < ctx->queue_count; i++)
ctx->frame_queue[i] = ctx->frame_queue[i + 1];
ctx->frame_queue[i] = input_frame;
}
current_frame_index = ctx->pipeline_caps.num_forward_references;
input_frame = ctx->frame_queue[current_frame_index];
input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
forward_references[i] = (VASurfaceID)(uintptr_t)
ctx->frame_queue[current_frame_index - i - 1]->data[3];
for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
backward_references[i] = (VASurfaceID)(uintptr_t)
ctx->frame_queue[current_frame_index + i + 1]->data[3];
av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for "
"deinterlace input.\n", input_surface);
av_log(avctx, AV_LOG_DEBUG, "Backward references:");
for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
av_log(avctx, AV_LOG_DEBUG, " %#x", backward_references[i]);
av_log(avctx, AV_LOG_DEBUG, "\n");
av_log(avctx, AV_LOG_DEBUG, "Forward references:");
for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
av_log(avctx, AV_LOG_DEBUG, " %#x", forward_references[i]);
av_log(avctx, AV_LOG_DEBUG, "\n");
for (field = 0; field < ctx->field_rate; field++) {
output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
vpp_ctx->output_height);
if (!output_frame) {
err = AVERROR(ENOMEM);
goto fail;
}
err = av_frame_copy_props(output_frame, input_frame);
if (err < 0)
goto fail;
err = ff_vaapi_vpp_init_params(avctx, ¶ms,
input_frame, output_frame);
if (err < 0)
goto fail;
if (!ctx->auto_enable || input_frame->interlaced_frame) {
vas = vaMapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0],
&filter_params_addr);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to map filter parameter "
"buffer: %d (%s).\n", vas, vaErrorStr(vas));
err = AVERROR(EIO);
goto fail;
}
filter_params = filter_params_addr;
filter_params->flags = 0;
if (input_frame->top_field_first) {
filter_params->flags |= field ? VA_DEINTERLACING_BOTTOM_FIELD : 0;
} else {
filter_params->flags |= VA_DEINTERLACING_BOTTOM_FIELD_FIRST;
filter_params->flags |= field ? 0 : VA_DEINTERLACING_BOTTOM_FIELD;
}
filter_params_addr = NULL;
vas = vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
if (vas != VA_STATUS_SUCCESS)
av_log(avctx, AV_LOG_ERROR, "Failed to unmap filter parameter "
"buffer: %d (%s).\n", vas, vaErrorStr(vas));
params.filters = &vpp_ctx->filter_buffers[0];
params.num_filters = 1;
params.forward_references = forward_references;
params.num_forward_references =
ctx->pipeline_caps.num_forward_references;
params.backward_references = backward_references;
params.num_backward_references =
ctx->pipeline_caps.num_backward_references;
} else {
params.filters = NULL;
params.num_filters = 0;
}
err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_frame);
if (err < 0)
goto fail;
if (ctx->field_rate == 2) {
if (field == 0)
output_frame->pts = 2 * input_frame->pts;
else
output_frame->pts = input_frame->pts +
ctx->frame_queue[current_frame_index + 1]->pts;
}
output_frame->interlaced_frame = 0;
av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
av_get_pix_fmt_name(output_frame->format),
output_frame->width, output_frame->height, output_frame->pts);
err = ff_filter_frame(outlink, output_frame);
if (err < 0)
break;
}
return err;
fail:
if (filter_params_addr)
vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
av_frame_free(&output_frame);
return err;
}
static av_cold int deint_vaapi_init(AVFilterContext *avctx)
{
VAAPIVPPContext *vpp_ctx = avctx->priv;
ff_vaapi_vpp_ctx_init(avctx);
vpp_ctx->pipeline_uninit = deint_vaapi_pipeline_uninit;
vpp_ctx->build_filter_params = deint_vaapi_build_filter_params;
vpp_ctx->output_format = AV_PIX_FMT_NONE;
return 0;
}
#define OFFSET(x) offsetof(DeintVAAPIContext, x)
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
static const AVOption deint_vaapi_options[] = {
{ "mode", "Deinterlacing mode",
OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VAProcDeinterlacingNone },
VAProcDeinterlacingNone, VAProcDeinterlacingCount - 1, FLAGS, "mode" },
{ "default", "Use the highest-numbered (and therefore possibly most advanced) deinterlacing algorithm",
0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingNone }, 0, 0, FLAGS, "mode" },
{ "bob", "Use the bob deinterlacing algorithm",
0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingBob }, 0, 0, FLAGS, "mode" },
{ "weave", "Use the weave deinterlacing algorithm",
0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingWeave }, 0, 0, FLAGS, "mode" },
{ "motion_adaptive", "Use the motion adaptive deinterlacing algorithm",
0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionAdaptive }, 0, 0, FLAGS, "mode" },
{ "motion_compensated", "Use the motion compensated deinterlacing algorithm",
0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionCompensated }, 0, 0, FLAGS, "mode" },
{ "rate", "Generate output at frame rate or field rate",
OFFSET(field_rate), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 2, FLAGS, "rate" },
{ "frame", "Output at frame rate (one frame of output for each field-pair)",
0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "rate" },
{ "field", "Output at field rate (one frame of output for each field)",
0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, FLAGS, "rate" },
{ "auto", "Only deinterlace fields, passing frames through unchanged",
OFFSET(auto_enable), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
{ NULL },
};
static const AVClass deint_vaapi_class = {
.class_name = "deinterlace_vaapi",
.item_name = av_default_item_name,
.option = deint_vaapi_options,
.version = LIBAVUTIL_VERSION_INT,
};
static const AVFilterPad deint_vaapi_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = &deint_vaapi_filter_frame,
.config_props = &ff_vaapi_vpp_config_input,
},
{ NULL }
};
static const AVFilterPad deint_vaapi_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = &deint_vaapi_config_output,
},
{ NULL }
};
AVFilter ff_vf_deinterlace_vaapi = {
.name = "deinterlace_vaapi",
.description = NULL_IF_CONFIG_SMALL("Deinterlacing of VAAPI surfaces"),
.priv_size = sizeof(DeintVAAPIContext),
.init = &deint_vaapi_init,
.uninit = &ff_vaapi_vpp_ctx_uninit,
.query_formats = &ff_vaapi_vpp_query_formats,
.inputs = deint_vaapi_inputs,
.outputs = deint_vaapi_outputs,
.priv_class = &deint_vaapi_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
};