| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * scale video filter |
| */ |
| |
| #include <nppi.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "libavutil/hwcontext.h" |
| #include "libavutil/hwcontext_cuda_internal.h" |
| #include "libavutil/cuda_check.h" |
| #include "libavutil/internal.h" |
| #include "libavutil/mem.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/parseutils.h" |
| #include "libavutil/eval.h" |
| #include "libavutil/pixdesc.h" |
| |
| #include "avfilter.h" |
| #include "formats.h" |
| #include "internal.h" |
| #include "scale_eval.h" |
| #include "video.h" |
| |
| #define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x) |
| |
| static const enum AVPixelFormat supported_formats[] = { |
| AV_PIX_FMT_YUV420P, |
| AV_PIX_FMT_YUVA420P, |
| AV_PIX_FMT_NV12, |
| AV_PIX_FMT_YUV444P, |
| }; |
| |
| static const enum AVPixelFormat deinterleaved_formats[][2] = { |
| { AV_PIX_FMT_NV12, AV_PIX_FMT_YUV420P }, |
| }; |
| |
| enum ScaleStage { |
| STAGE_DEINTERLEAVE, |
| STAGE_RESIZE, |
| STAGE_INTERLEAVE, |
| STAGE_NB, |
| }; |
| |
| typedef struct NPPScaleStageContext { |
| int stage_needed; |
| enum AVPixelFormat in_fmt; |
| enum AVPixelFormat out_fmt; |
| |
| struct { |
| int width; |
| int height; |
| } planes_in[4], planes_out[4]; |
| |
| AVBufferRef *frames_ctx; |
| AVFrame *frame; |
| } NPPScaleStageContext; |
| |
| static const char *const var_names[] = { |
| "in_w", "iw", |
| "in_h", "ih", |
| "out_w", "ow", |
| "out_h", "oh", |
| "a", |
| "sar", |
| "dar", |
| "n", |
| "t", |
| #if FF_API_FRAME_PKT |
| "pos", |
| #endif |
| "main_w", |
| "main_h", |
| "main_a", |
| "main_sar", |
| "main_dar", "mdar", |
| "main_n", |
| "main_t", |
| #if FF_API_FRAME_PKT |
| "main_pos", |
| #endif |
| NULL |
| }; |
| |
| enum var_name { |
| VAR_IN_W, VAR_IW, |
| VAR_IN_H, VAR_IH, |
| VAR_OUT_W, VAR_OW, |
| VAR_OUT_H, VAR_OH, |
| VAR_A, |
| VAR_SAR, |
| VAR_DAR, |
| VAR_N, |
| VAR_T, |
| #if FF_API_FRAME_PKT |
| VAR_POS, |
| #endif |
| VAR_S2R_MAIN_W, |
| VAR_S2R_MAIN_H, |
| VAR_S2R_MAIN_A, |
| VAR_S2R_MAIN_SAR, |
| VAR_S2R_MAIN_DAR, VAR_S2R_MDAR, |
| VAR_S2R_MAIN_N, |
| VAR_S2R_MAIN_T, |
| #if FF_API_FRAME_PKT |
| VAR_S2R_MAIN_POS, |
| #endif |
| VARS_NB |
| }; |
| |
| enum EvalMode { |
| EVAL_MODE_INIT, |
| EVAL_MODE_FRAME, |
| EVAL_MODE_NB |
| }; |
| |
| typedef struct NPPScaleContext { |
| const AVClass *class; |
| |
| NPPScaleStageContext stages[STAGE_NB]; |
| AVFrame *tmp_frame; |
| int passthrough; |
| |
| int shift_width, shift_height; |
| |
| /** |
| * New dimensions. Special values are: |
| * 0 = original width/height |
| * -1 = keep original aspect |
| */ |
| int w, h; |
| |
| /** |
| * Output sw format. AV_PIX_FMT_NONE for no conversion. |
| */ |
| enum AVPixelFormat format; |
| |
| char *w_expr; ///< width expression string |
| char *h_expr; ///< height expression string |
| char *format_str; |
| |
| int force_original_aspect_ratio; |
| int force_divisible_by; |
| |
| int interp_algo; |
| |
| char* size_str; |
| |
| AVExpr* w_pexpr; |
| AVExpr* h_pexpr; |
| |
| double var_values[VARS_NB]; |
| |
| int eval_mode; |
| } NPPScaleContext; |
| |
| const AVFilter ff_vf_scale2ref_npp; |
| |
| static int config_props(AVFilterLink *outlink); |
| |
| static int check_exprs(AVFilterContext* ctx) |
| { |
| NPPScaleContext* scale = ctx->priv; |
| unsigned vars_w[VARS_NB] = {0}, vars_h[VARS_NB] = {0}; |
| |
| if (!scale->w_pexpr && !scale->h_pexpr) |
| return AVERROR(EINVAL); |
| |
| if (scale->w_pexpr) |
| av_expr_count_vars(scale->w_pexpr, vars_w, VARS_NB); |
| if (scale->h_pexpr) |
| av_expr_count_vars(scale->h_pexpr, vars_h, VARS_NB); |
| |
| if (vars_w[VAR_OUT_W] || vars_w[VAR_OW]) { |
| av_log(ctx, AV_LOG_ERROR, "Width expression cannot be self-referencing: '%s'.\n", scale->w_expr); |
| return AVERROR(EINVAL); |
| } |
| |
| if (vars_h[VAR_OUT_H] || vars_h[VAR_OH]) { |
| av_log(ctx, AV_LOG_ERROR, "Height expression cannot be self-referencing: '%s'.\n", scale->h_expr); |
| return AVERROR(EINVAL); |
| } |
| |
| if ((vars_w[VAR_OUT_H] || vars_w[VAR_OH]) && |
| (vars_h[VAR_OUT_W] || vars_h[VAR_OW])) { |
| av_log(ctx, AV_LOG_WARNING, "Circular references detected for width '%s' and height '%s' - possibly invalid.\n", scale->w_expr, scale->h_expr); |
| } |
| |
| if (ctx->filter != &ff_vf_scale2ref_npp && |
| (vars_w[VAR_S2R_MAIN_W] || vars_h[VAR_S2R_MAIN_W] || |
| vars_w[VAR_S2R_MAIN_H] || vars_h[VAR_S2R_MAIN_H] || |
| vars_w[VAR_S2R_MAIN_A] || vars_h[VAR_S2R_MAIN_A] || |
| vars_w[VAR_S2R_MAIN_SAR] || vars_h[VAR_S2R_MAIN_SAR] || |
| vars_w[VAR_S2R_MAIN_DAR] || vars_h[VAR_S2R_MAIN_DAR] || |
| vars_w[VAR_S2R_MDAR] || vars_h[VAR_S2R_MDAR] || |
| vars_w[VAR_S2R_MAIN_N] || vars_h[VAR_S2R_MAIN_N] || |
| vars_w[VAR_S2R_MAIN_T] || vars_h[VAR_S2R_MAIN_T] |
| #if FF_API_FRAME_PKT |
| || vars_w[VAR_S2R_MAIN_POS] || vars_h[VAR_S2R_MAIN_POS] |
| #endif |
| )) { |
| av_log(ctx, AV_LOG_ERROR, "Expressions with scale2ref_npp variables are not valid in scale_npp filter.\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| if (scale->eval_mode == EVAL_MODE_INIT && |
| (vars_w[VAR_N] || vars_h[VAR_N] || |
| vars_w[VAR_T] || vars_h[VAR_T] || |
| #if FF_API_FRAME_PKT |
| vars_w[VAR_POS] || vars_h[VAR_POS] || |
| #endif |
| vars_w[VAR_S2R_MAIN_N] || vars_h[VAR_S2R_MAIN_N] || |
| vars_w[VAR_S2R_MAIN_T] || vars_h[VAR_S2R_MAIN_T] |
| #if FF_API_FRAME_PKT |
| || vars_w[VAR_S2R_MAIN_POS] || vars_h[VAR_S2R_MAIN_POS] |
| #endif |
| ) ) { |
| av_log(ctx, AV_LOG_ERROR, "Expressions with frame variables 'n', 't', are not valid in init eval_mode.\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| return 0; |
| } |
| |
| static int nppscale_parse_expr(AVFilterContext* ctx, char* str_expr, |
| AVExpr** pexpr_ptr, const char* var, |
| const char* args) |
| { |
| NPPScaleContext* scale = ctx->priv; |
| int ret, is_inited = 0; |
| char* old_str_expr = NULL; |
| AVExpr* old_pexpr = NULL; |
| |
| if (str_expr) { |
| old_str_expr = av_strdup(str_expr); |
| if (!old_str_expr) |
| return AVERROR(ENOMEM); |
| av_opt_set(scale, var, args, 0); |
| } |
| |
| if (*pexpr_ptr) { |
| old_pexpr = *pexpr_ptr; |
| *pexpr_ptr = NULL; |
| is_inited = 1; |
| } |
| |
| ret = av_expr_parse(pexpr_ptr, args, var_names, NULL, NULL, NULL, NULL, 0, |
| ctx); |
| if (ret < 0) { |
| av_log(ctx, AV_LOG_ERROR, "Cannot parse expression for %s: '%s'\n", var, |
| args); |
| goto revert; |
| } |
| |
| ret = check_exprs(ctx); |
| if (ret < 0) |
| goto revert; |
| |
| if (is_inited && (ret = config_props(ctx->outputs[0])) < 0) |
| goto revert; |
| |
| av_expr_free(old_pexpr); |
| old_pexpr = NULL; |
| av_freep(&old_str_expr); |
| |
| return 0; |
| |
| revert: |
| av_expr_free(*pexpr_ptr); |
| *pexpr_ptr = NULL; |
| if (old_str_expr) { |
| av_opt_set(scale, var, old_str_expr, 0); |
| av_free(old_str_expr); |
| } |
| if (old_pexpr) |
| *pexpr_ptr = old_pexpr; |
| |
| return ret; |
| } |
| |
| static av_cold int nppscale_init(AVFilterContext* ctx) |
| { |
| NPPScaleContext* scale = ctx->priv; |
| int i, ret; |
| |
| if (!strcmp(scale->format_str, "same")) { |
| scale->format = AV_PIX_FMT_NONE; |
| } else { |
| scale->format = av_get_pix_fmt(scale->format_str); |
| if (scale->format == AV_PIX_FMT_NONE) { |
| av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", scale->format_str); |
| return AVERROR(EINVAL); |
| } |
| } |
| |
| if (scale->size_str && (scale->w_expr || scale->h_expr)) { |
| av_log(ctx, AV_LOG_ERROR, |
| "Size and width/height exprs cannot be set at the same time.\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| if (scale->w_expr && !scale->h_expr) |
| FFSWAP(char*, scale->w_expr, scale->size_str); |
| |
| if (scale->size_str) { |
| char buf[32]; |
| ret = av_parse_video_size(&scale->w, &scale->h, scale->size_str); |
| if (0 > ret) { |
| av_log(ctx, AV_LOG_ERROR, "Invalid size '%s'\n", scale->size_str); |
| return ret; |
| } |
| |
| snprintf(buf, sizeof(buf) - 1, "%d", scale->w); |
| ret = av_opt_set(scale, "w", buf, 0); |
| if (ret < 0) |
| return ret; |
| |
| snprintf(buf, sizeof(buf) - 1, "%d", scale->h); |
| ret = av_opt_set(scale, "h", buf, 0); |
| if (ret < 0) |
| return ret; |
| } |
| |
| if (!scale->w_expr) { |
| ret = av_opt_set(scale, "w", "iw", 0); |
| if (ret < 0) |
| return ret; |
| } |
| |
| if (!scale->h_expr) { |
| ret = av_opt_set(scale, "h", "ih", 0); |
| if (ret < 0) |
| return ret; |
| } |
| |
| ret = nppscale_parse_expr(ctx, NULL, &scale->w_pexpr, "width", scale->w_expr); |
| if (ret < 0) |
| return ret; |
| |
| ret = nppscale_parse_expr(ctx, NULL, &scale->h_pexpr, "height", scale->h_expr); |
| if (ret < 0) |
| return ret; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(scale->stages); i++) { |
| scale->stages[i].frame = av_frame_alloc(); |
| if (!scale->stages[i].frame) |
| return AVERROR(ENOMEM); |
| } |
| scale->tmp_frame = av_frame_alloc(); |
| if (!scale->tmp_frame) |
| return AVERROR(ENOMEM); |
| |
| return 0; |
| } |
| |
| static int nppscale_eval_dimensions(AVFilterContext* ctx) |
| { |
| NPPScaleContext* scale = ctx->priv; |
| const char scale2ref = ctx->filter == &ff_vf_scale2ref_npp; |
| const AVFilterLink* inlink = ctx->inputs[scale2ref ? 1 : 0]; |
| char* expr; |
| int eval_w, eval_h; |
| int ret; |
| double res; |
| |
| scale->var_values[VAR_IN_W] = scale->var_values[VAR_IW] = inlink->w; |
| scale->var_values[VAR_IN_H] = scale->var_values[VAR_IH] = inlink->h; |
| scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = NAN; |
| scale->var_values[VAR_OUT_H] = scale->var_values[VAR_OH] = NAN; |
| scale->var_values[VAR_A] = (double)inlink->w / inlink->h; |
| scale->var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ? |
| (double)inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1; |
| scale->var_values[VAR_DAR] = scale->var_values[VAR_A] * scale->var_values[VAR_SAR]; |
| |
| if (scale2ref) { |
| const AVFilterLink* main_link = ctx->inputs[0]; |
| |
| scale->var_values[VAR_S2R_MAIN_W] = main_link->w; |
| scale->var_values[VAR_S2R_MAIN_H] = main_link->h; |
| scale->var_values[VAR_S2R_MAIN_A] = (double)main_link->w / main_link->h; |
| scale->var_values[VAR_S2R_MAIN_SAR] = main_link->sample_aspect_ratio.num ? |
| (double)main_link->sample_aspect_ratio.num / main_link->sample_aspect_ratio.den : 1; |
| scale->var_values[VAR_S2R_MAIN_DAR] = scale->var_values[VAR_S2R_MDAR] = |
| scale->var_values[VAR_S2R_MAIN_A] * scale->var_values[VAR_S2R_MAIN_SAR]; |
| } |
| |
| res = av_expr_eval(scale->w_pexpr, scale->var_values, NULL); |
| eval_w = scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = (int)res == 0 ? inlink->w : (int)res; |
| |
| res = av_expr_eval(scale->h_pexpr, scale->var_values, NULL); |
| if (isnan(res)) { |
| expr = scale->h_expr; |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| eval_h = scale->var_values[VAR_OUT_H] = scale->var_values[VAR_OH] = (int)res == 0 ? inlink->h : (int)res; |
| |
| res = av_expr_eval(scale->w_pexpr, scale->var_values, NULL); |
| if (isnan(res)) { |
| expr = scale->w_expr; |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| eval_w = scale->var_values[VAR_OUT_W] = scale->var_values[VAR_OW] = (int)res == 0 ? inlink->w : (int)res; |
| |
| scale->w = eval_w; |
| scale->h = eval_h; |
| |
| return 0; |
| |
| fail: |
| av_log(ctx, AV_LOG_ERROR, "Error when evaluating the expression '%s'.\n", |
| expr); |
| return ret; |
| } |
| |
| static void nppscale_uninit(AVFilterContext *ctx) |
| { |
| NPPScaleContext *s = ctx->priv; |
| int i; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) { |
| av_frame_free(&s->stages[i].frame); |
| av_buffer_unref(&s->stages[i].frames_ctx); |
| } |
| av_frame_free(&s->tmp_frame); |
| |
| av_expr_free(s->w_pexpr); |
| av_expr_free(s->h_pexpr); |
| s->w_pexpr = s->h_pexpr = NULL; |
| } |
| |
| static int init_stage(NPPScaleStageContext *stage, AVBufferRef *device_ctx) |
| { |
| AVBufferRef *out_ref = NULL; |
| AVHWFramesContext *out_ctx; |
| int in_sw, in_sh, out_sw, out_sh; |
| int ret, i; |
| |
| av_pix_fmt_get_chroma_sub_sample(stage->in_fmt, &in_sw, &in_sh); |
| av_pix_fmt_get_chroma_sub_sample(stage->out_fmt, &out_sw, &out_sh); |
| if (!stage->planes_out[0].width) { |
| stage->planes_out[0].width = stage->planes_in[0].width; |
| stage->planes_out[0].height = stage->planes_in[0].height; |
| } |
| |
| for (i = 1; i < FF_ARRAY_ELEMS(stage->planes_in); i++) { |
| stage->planes_in[i].width = stage->planes_in[0].width >> in_sw; |
| stage->planes_in[i].height = stage->planes_in[0].height >> in_sh; |
| stage->planes_out[i].width = stage->planes_out[0].width >> out_sw; |
| stage->planes_out[i].height = stage->planes_out[0].height >> out_sh; |
| } |
| |
| if (AV_PIX_FMT_YUVA420P == stage->in_fmt) { |
| stage->planes_in[3].width = stage->planes_in[0].width; |
| stage->planes_in[3].height = stage->planes_in[0].height; |
| stage->planes_out[3].width = stage->planes_out[0].width; |
| stage->planes_out[3].height = stage->planes_out[0].height; |
| } |
| |
| out_ref = av_hwframe_ctx_alloc(device_ctx); |
| if (!out_ref) |
| return AVERROR(ENOMEM); |
| out_ctx = (AVHWFramesContext*)out_ref->data; |
| |
| out_ctx->format = AV_PIX_FMT_CUDA; |
| out_ctx->sw_format = stage->out_fmt; |
| out_ctx->width = FFALIGN(stage->planes_out[0].width, 32); |
| out_ctx->height = FFALIGN(stage->planes_out[0].height, 32); |
| |
| ret = av_hwframe_ctx_init(out_ref); |
| if (ret < 0) |
| goto fail; |
| |
| av_frame_unref(stage->frame); |
| ret = av_hwframe_get_buffer(out_ref, stage->frame, 0); |
| if (ret < 0) |
| goto fail; |
| |
| stage->frame->width = stage->planes_out[0].width; |
| stage->frame->height = stage->planes_out[0].height; |
| |
| av_buffer_unref(&stage->frames_ctx); |
| stage->frames_ctx = out_ref; |
| |
| return 0; |
| fail: |
| av_buffer_unref(&out_ref); |
| return ret; |
| } |
| |
| static int format_is_supported(enum AVPixelFormat fmt) |
| { |
| int i; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) |
| if (supported_formats[i] == fmt) |
| return 1; |
| return 0; |
| } |
| |
| static enum AVPixelFormat get_deinterleaved_format(enum AVPixelFormat fmt) |
| { |
| const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt); |
| int i, planes; |
| |
| planes = av_pix_fmt_count_planes(fmt); |
| if (planes == desc->nb_components) |
| return fmt; |
| for (i = 0; i < FF_ARRAY_ELEMS(deinterleaved_formats); i++) |
| if (deinterleaved_formats[i][0] == fmt) |
| return deinterleaved_formats[i][1]; |
| return AV_PIX_FMT_NONE; |
| } |
| |
| static int init_processing_chain(AVFilterContext *ctx, int in_width, int in_height, |
| int out_width, int out_height) |
| { |
| NPPScaleContext *s = ctx->priv; |
| |
| AVHWFramesContext *in_frames_ctx; |
| |
| enum AVPixelFormat in_format; |
| enum AVPixelFormat out_format; |
| enum AVPixelFormat in_deinterleaved_format; |
| enum AVPixelFormat out_deinterleaved_format; |
| |
| int i, ret, last_stage = -1; |
| |
| /* check that we have a hw context */ |
| if (!ctx->inputs[0]->hw_frames_ctx) { |
| av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n"); |
| return AVERROR(EINVAL); |
| } |
| in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data; |
| in_format = in_frames_ctx->sw_format; |
| out_format = (s->format == AV_PIX_FMT_NONE) ? in_format : s->format; |
| |
| if (!format_is_supported(in_format)) { |
| av_log(ctx, AV_LOG_ERROR, "Unsupported input format: %s\n", |
| av_get_pix_fmt_name(in_format)); |
| return AVERROR(ENOSYS); |
| } |
| if (!format_is_supported(out_format)) { |
| av_log(ctx, AV_LOG_ERROR, "Unsupported output format: %s\n", |
| av_get_pix_fmt_name(out_format)); |
| return AVERROR(ENOSYS); |
| } |
| |
| in_deinterleaved_format = get_deinterleaved_format(in_format); |
| out_deinterleaved_format = get_deinterleaved_format(out_format); |
| if (in_deinterleaved_format == AV_PIX_FMT_NONE || |
| out_deinterleaved_format == AV_PIX_FMT_NONE) |
| return AVERROR_BUG; |
| |
| /* figure out which stages need to be done */ |
| if (in_width != out_width || in_height != out_height || |
| in_deinterleaved_format != out_deinterleaved_format) { |
| s->stages[STAGE_RESIZE].stage_needed = 1; |
| |
| if (s->interp_algo == NPPI_INTER_SUPER && |
| (out_width > in_width && out_height > in_height)) { |
| s->interp_algo = NPPI_INTER_LANCZOS; |
| av_log(ctx, AV_LOG_WARNING, "super-sampling not supported for output dimensions, using lanczos instead.\n"); |
| } |
| if (s->interp_algo == NPPI_INTER_SUPER && |
| !(out_width < in_width && out_height < in_height)) { |
| s->interp_algo = NPPI_INTER_CUBIC; |
| av_log(ctx, AV_LOG_WARNING, "super-sampling not supported for output dimensions, using cubic instead.\n"); |
| } |
| } |
| |
| if (!s->stages[STAGE_RESIZE].stage_needed && in_format == out_format) |
| s->passthrough = 1; |
| |
| if (!s->passthrough) { |
| if (in_format != in_deinterleaved_format) |
| s->stages[STAGE_DEINTERLEAVE].stage_needed = 1; |
| if (out_format != out_deinterleaved_format) |
| s->stages[STAGE_INTERLEAVE].stage_needed = 1; |
| } |
| |
| s->stages[STAGE_DEINTERLEAVE].in_fmt = in_format; |
| s->stages[STAGE_DEINTERLEAVE].out_fmt = in_deinterleaved_format; |
| s->stages[STAGE_DEINTERLEAVE].planes_in[0].width = in_width; |
| s->stages[STAGE_DEINTERLEAVE].planes_in[0].height = in_height; |
| |
| s->stages[STAGE_RESIZE].in_fmt = in_deinterleaved_format; |
| s->stages[STAGE_RESIZE].out_fmt = out_deinterleaved_format; |
| s->stages[STAGE_RESIZE].planes_in[0].width = in_width; |
| s->stages[STAGE_RESIZE].planes_in[0].height = in_height; |
| s->stages[STAGE_RESIZE].planes_out[0].width = out_width; |
| s->stages[STAGE_RESIZE].planes_out[0].height = out_height; |
| |
| s->stages[STAGE_INTERLEAVE].in_fmt = out_deinterleaved_format; |
| s->stages[STAGE_INTERLEAVE].out_fmt = out_format; |
| s->stages[STAGE_INTERLEAVE].planes_in[0].width = out_width; |
| s->stages[STAGE_INTERLEAVE].planes_in[0].height = out_height; |
| |
| /* init the hardware contexts */ |
| for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) { |
| if (!s->stages[i].stage_needed) |
| continue; |
| |
| ret = init_stage(&s->stages[i], in_frames_ctx->device_ref); |
| if (ret < 0) |
| return ret; |
| |
| last_stage = i; |
| } |
| |
| if (last_stage >= 0) |
| ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->stages[last_stage].frames_ctx); |
| else |
| ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(ctx->inputs[0]->hw_frames_ctx); |
| |
| if (!ctx->outputs[0]->hw_frames_ctx) |
| return AVERROR(ENOMEM); |
| |
| return 0; |
| } |
| |
| static int config_props(AVFilterLink *outlink) |
| { |
| AVFilterContext *ctx = outlink->src; |
| AVFilterLink *inlink0 = outlink->src->inputs[0]; |
| AVFilterLink *inlink = ctx->filter == &ff_vf_scale2ref_npp ? |
| outlink->src->inputs[1] : |
| outlink->src->inputs[0]; |
| NPPScaleContext *s = ctx->priv; |
| int ret; |
| |
| if ((ret = nppscale_eval_dimensions(ctx)) < 0) |
| goto fail; |
| |
| ff_scale_adjust_dimensions(inlink, &s->w, &s->h, |
| s->force_original_aspect_ratio, |
| s->force_divisible_by); |
| |
| if (s->w > INT_MAX || s->h > INT_MAX || |
| (s->h * inlink->w) > INT_MAX || |
| (s->w * inlink->h) > INT_MAX) |
| av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n"); |
| |
| outlink->w = s->w; |
| outlink->h = s->h; |
| |
| ret = init_processing_chain(ctx, inlink0->w, inlink0->h, outlink->w, outlink->h); |
| if (ret < 0) |
| return ret; |
| |
| av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n", |
| inlink->w, inlink->h, outlink->w, outlink->h); |
| |
| if (inlink->sample_aspect_ratio.num) |
| outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w, |
| outlink->w*inlink->h}, |
| inlink->sample_aspect_ratio); |
| else |
| outlink->sample_aspect_ratio = inlink->sample_aspect_ratio; |
| |
| return 0; |
| |
| fail: |
| return ret; |
| } |
| |
| static int config_props_ref(AVFilterLink *outlink) |
| { |
| AVFilterLink *inlink = outlink->src->inputs[1]; |
| AVFilterContext *ctx = outlink->src; |
| |
| outlink->w = inlink->w; |
| outlink->h = inlink->h; |
| outlink->sample_aspect_ratio = inlink->sample_aspect_ratio; |
| outlink->time_base = inlink->time_base; |
| outlink->frame_rate = inlink->frame_rate; |
| |
| ctx->outputs[1]->hw_frames_ctx = av_buffer_ref(ctx->inputs[1]->hw_frames_ctx); |
| |
| return 0; |
| } |
| |
| static int nppscale_deinterleave(AVFilterContext *ctx, NPPScaleStageContext *stage, |
| AVFrame *out, AVFrame *in) |
| { |
| AVHWFramesContext *in_frames_ctx = (AVHWFramesContext*)in->hw_frames_ctx->data; |
| NppStatus err; |
| |
| switch (in_frames_ctx->sw_format) { |
| case AV_PIX_FMT_NV12: |
| err = nppiYCbCr420_8u_P2P3R(in->data[0], in->linesize[0], |
| in->data[1], in->linesize[1], |
| out->data, out->linesize, |
| (NppiSize){ in->width, in->height }); |
| break; |
| default: |
| return AVERROR_BUG; |
| } |
| if (err != NPP_SUCCESS) { |
| av_log(ctx, AV_LOG_ERROR, "NPP deinterleave error: %d\n", err); |
| return AVERROR_UNKNOWN; |
| } |
| |
| return 0; |
| } |
| |
| static int nppscale_resize(AVFilterContext *ctx, NPPScaleStageContext *stage, |
| AVFrame *out, AVFrame *in) |
| { |
| NPPScaleContext *s = ctx->priv; |
| NppStatus err; |
| int i; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(stage->planes_in) && i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) { |
| int iw = stage->planes_in[i].width; |
| int ih = stage->planes_in[i].height; |
| int ow = stage->planes_out[i].width; |
| int oh = stage->planes_out[i].height; |
| |
| err = nppiResizeSqrPixel_8u_C1R(in->data[i], (NppiSize){ iw, ih }, |
| in->linesize[i], (NppiRect){ 0, 0, iw, ih }, |
| out->data[i], out->linesize[i], |
| (NppiRect){ 0, 0, ow, oh }, |
| (double)ow / iw, (double)oh / ih, |
| 0.0, 0.0, s->interp_algo); |
| if (err != NPP_SUCCESS) { |
| av_log(ctx, AV_LOG_ERROR, "NPP resize error: %d\n", err); |
| return AVERROR_UNKNOWN; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int nppscale_interleave(AVFilterContext *ctx, NPPScaleStageContext *stage, |
| AVFrame *out, AVFrame *in) |
| { |
| AVHWFramesContext *out_frames_ctx = (AVHWFramesContext*)out->hw_frames_ctx->data; |
| NppStatus err; |
| |
| switch (out_frames_ctx->sw_format) { |
| case AV_PIX_FMT_NV12: |
| err = nppiYCbCr420_8u_P3P2R((const uint8_t**)in->data, |
| in->linesize, |
| out->data[0], out->linesize[0], |
| out->data[1], out->linesize[1], |
| (NppiSize){ in->width, in->height }); |
| break; |
| default: |
| return AVERROR_BUG; |
| } |
| if (err != NPP_SUCCESS) { |
| av_log(ctx, AV_LOG_ERROR, "NPP deinterleave error: %d\n", err); |
| return AVERROR_UNKNOWN; |
| } |
| |
| return 0; |
| } |
| |
| static int (*const nppscale_process[])(AVFilterContext *ctx, NPPScaleStageContext *stage, |
| AVFrame *out, AVFrame *in) = { |
| [STAGE_DEINTERLEAVE] = nppscale_deinterleave, |
| [STAGE_RESIZE] = nppscale_resize, |
| [STAGE_INTERLEAVE] = nppscale_interleave, |
| }; |
| |
| static int nppscale_scale(AVFilterLink *link, AVFrame *out, AVFrame *in) |
| { |
| AVFilterContext *ctx = link->dst; |
| NPPScaleContext *s = ctx->priv; |
| AVFilterLink *outlink = ctx->outputs[0]; |
| AVFrame *src = in; |
| char buf[32]; |
| int i, ret, last_stage = -1; |
| int frame_changed; |
| |
| frame_changed = in->width != link->w || |
| in->height != link->h || |
| in->format != link->format || |
| in->sample_aspect_ratio.den != link->sample_aspect_ratio.den || |
| in->sample_aspect_ratio.num != link->sample_aspect_ratio.num; |
| |
| if (s->eval_mode == EVAL_MODE_FRAME || frame_changed) { |
| unsigned vars_w[VARS_NB] = { 0 }, vars_h[VARS_NB] = { 0 }; |
| |
| av_expr_count_vars(s->w_pexpr, vars_w, VARS_NB); |
| av_expr_count_vars(s->h_pexpr, vars_h, VARS_NB); |
| |
| if (s->eval_mode == EVAL_MODE_FRAME && !frame_changed && ctx->filter != &ff_vf_scale2ref_npp && |
| !(vars_w[VAR_N] || vars_w[VAR_T] |
| #if FF_API_FRAME_PKT |
| || vars_w[VAR_POS] |
| #endif |
| ) && |
| !(vars_h[VAR_N] || vars_h[VAR_T] |
| #if FF_API_FRAME_PKT |
| || vars_h[VAR_POS] |
| #endif |
| ) && s->w && s->h) |
| goto scale; |
| |
| if (s->eval_mode == EVAL_MODE_INIT) { |
| snprintf(buf, sizeof(buf)-1, "%d", outlink->w); |
| av_opt_set(s, "w", buf, 0); |
| snprintf(buf, sizeof(buf)-1, "%d", outlink->h); |
| av_opt_set(s, "h", buf, 0); |
| |
| ret = nppscale_parse_expr(ctx, NULL, &s->w_pexpr, "width", s->w_expr); |
| if (ret < 0) |
| return ret; |
| |
| ret = nppscale_parse_expr(ctx, NULL, &s->h_pexpr, "height", s->h_expr); |
| if (ret < 0) |
| return ret; |
| } |
| |
| if (ctx->filter == &ff_vf_scale2ref_npp) { |
| s->var_values[VAR_S2R_MAIN_N] = link->frame_count_out; |
| s->var_values[VAR_S2R_MAIN_T] = TS2T(in->pts, link->time_base); |
| #if FF_API_FRAME_PKT |
| FF_DISABLE_DEPRECATION_WARNINGS |
| s->var_values[VAR_S2R_MAIN_POS] = in->pkt_pos == -1 ? NAN : in->pkt_pos; |
| FF_ENABLE_DEPRECATION_WARNINGS |
| #endif |
| } else { |
| s->var_values[VAR_N] = link->frame_count_out; |
| s->var_values[VAR_T] = TS2T(in->pts, link->time_base); |
| #if FF_API_FRAME_PKT |
| FF_DISABLE_DEPRECATION_WARNINGS |
| s->var_values[VAR_POS] = in->pkt_pos == -1 ? NAN : in->pkt_pos; |
| FF_ENABLE_DEPRECATION_WARNINGS |
| #endif |
| } |
| |
| link->format = in->format; |
| link->w = in->width; |
| link->h = in->height; |
| |
| link->sample_aspect_ratio.den = in->sample_aspect_ratio.den; |
| link->sample_aspect_ratio.num = in->sample_aspect_ratio.num; |
| |
| if ((ret = config_props(outlink)) < 0) |
| return ret; |
| } |
| |
| scale: |
| for (i = 0; i < FF_ARRAY_ELEMS(s->stages); i++) { |
| if (!s->stages[i].stage_needed) |
| continue; |
| |
| ret = nppscale_process[i](ctx, &s->stages[i], s->stages[i].frame, src); |
| if (ret < 0) |
| return ret; |
| |
| src = s->stages[i].frame; |
| last_stage = i; |
| } |
| if (last_stage < 0) |
| return AVERROR_BUG; |
| |
| ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0); |
| if (ret < 0) |
| return ret; |
| |
| s->tmp_frame->width = src->width; |
| s->tmp_frame->height = src->height; |
| |
| av_frame_move_ref(out, src); |
| av_frame_move_ref(src, s->tmp_frame); |
| |
| ret = av_frame_copy_props(out, in); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int nppscale_filter_frame(AVFilterLink *link, AVFrame *in) |
| { |
| AVFilterContext *ctx = link->dst; |
| NPPScaleContext *s = ctx->priv; |
| AVFilterLink *outlink = ctx->outputs[0]; |
| AVHWFramesContext *frames_ctx = (AVHWFramesContext*)outlink->hw_frames_ctx->data; |
| AVCUDADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx; |
| |
| AVFrame *out = NULL; |
| CUcontext dummy; |
| int ret = 0; |
| |
| if (s->passthrough) |
| return ff_filter_frame(outlink, in); |
| |
| out = av_frame_alloc(); |
| if (!out) { |
| ret = AVERROR(ENOMEM); |
| goto fail; |
| } |
| |
| ret = CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPushCurrent(device_hwctx->cuda_ctx)); |
| if (ret < 0) |
| goto fail; |
| |
| ret = nppscale_scale(link, out, in); |
| |
| CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPopCurrent(&dummy)); |
| if (ret < 0) |
| goto fail; |
| |
| av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den, |
| (int64_t)in->sample_aspect_ratio.num * outlink->h * link->w, |
| (int64_t)in->sample_aspect_ratio.den * outlink->w * link->h, |
| INT_MAX); |
| |
| av_frame_free(&in); |
| return ff_filter_frame(outlink, out); |
| fail: |
| av_frame_free(&in); |
| av_frame_free(&out); |
| return ret; |
| } |
| |
| static int nppscale_filter_frame_ref(AVFilterLink *link, AVFrame *in) |
| { |
| NPPScaleContext *scale = link->dst->priv; |
| AVFilterLink *outlink = link->dst->outputs[1]; |
| int frame_changed; |
| |
| frame_changed = in->width != link->w || |
| in->height != link->h || |
| in->format != link->format || |
| in->sample_aspect_ratio.den != link->sample_aspect_ratio.den || |
| in->sample_aspect_ratio.num != link->sample_aspect_ratio.num; |
| |
| if (frame_changed) { |
| link->format = in->format; |
| link->w = in->width; |
| link->h = in->height; |
| link->sample_aspect_ratio.num = in->sample_aspect_ratio.num; |
| link->sample_aspect_ratio.den = in->sample_aspect_ratio.den; |
| |
| config_props_ref(outlink); |
| } |
| |
| if (scale->eval_mode == EVAL_MODE_FRAME) { |
| scale->var_values[VAR_N] = link->frame_count_out; |
| scale->var_values[VAR_T] = TS2T(in->pts, link->time_base); |
| #if FF_API_FRAME_PKT |
| FF_DISABLE_DEPRECATION_WARNINGS |
| scale->var_values[VAR_POS] = in->pkt_pos == -1 ? NAN : in->pkt_pos; |
| FF_ENABLE_DEPRECATION_WARNINGS |
| #endif |
| } |
| |
| return ff_filter_frame(outlink, in); |
| } |
| |
| static int request_frame(AVFilterLink *outlink) |
| { |
| return ff_request_frame(outlink->src->inputs[0]); |
| } |
| |
| static int request_frame_ref(AVFilterLink *outlink) |
| { |
| return ff_request_frame(outlink->src->inputs[1]); |
| } |
| |
| #define OFFSET(x) offsetof(NPPScaleContext, x) |
| #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM) |
| static const AVOption options[] = { |
| { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = FLAGS }, |
| { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = FLAGS }, |
| { "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS }, |
| { "s", "Output video size", OFFSET(size_str), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS }, |
| |
| { "interp_algo", "Interpolation algorithm used for resizing", OFFSET(interp_algo), AV_OPT_TYPE_INT, { .i64 = NPPI_INTER_CUBIC }, 0, INT_MAX, FLAGS, .unit = "interp_algo" }, |
| { "nn", "nearest neighbour", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_NN }, 0, 0, FLAGS, .unit = "interp_algo" }, |
| { "linear", "linear", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LINEAR }, 0, 0, FLAGS, .unit = "interp_algo" }, |
| { "cubic", "cubic", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC }, 0, 0, FLAGS, .unit = "interp_algo" }, |
| { "cubic2p_bspline", "2-parameter cubic (B=1, C=0)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_BSPLINE }, 0, 0, FLAGS, .unit = "interp_algo" }, |
| { "cubic2p_catmullrom", "2-parameter cubic (B=0, C=1/2)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_CATMULLROM }, 0, 0, FLAGS, .unit = "interp_algo" }, |
| { "cubic2p_b05c03", "2-parameter cubic (B=1/2, C=3/10)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_B05C03 }, 0, 0, FLAGS, .unit = "interp_algo" }, |
| { "super", "supersampling", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_SUPER }, 0, 0, FLAGS, .unit = "interp_algo" }, |
| { "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LANCZOS }, 0, 0, FLAGS, .unit = "interp_algo" }, |
| { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, FLAGS, .unit = "force_oar" }, |
| { "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, .unit = "force_oar" }, |
| { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, .unit = "force_oar" }, |
| { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, .unit = "force_oar" }, |
| { "force_divisible_by", "enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used", OFFSET(force_divisible_by), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 256, FLAGS }, |
| { "eval", "specify when to evaluate expressions", OFFSET(eval_mode), AV_OPT_TYPE_INT, { .i64 = EVAL_MODE_INIT }, 0, EVAL_MODE_NB-1, FLAGS, .unit = "eval" }, |
| { "init", "eval expressions once during initialization", 0, AV_OPT_TYPE_CONST, { .i64 = EVAL_MODE_INIT }, 0, 0, FLAGS, .unit = "eval" }, |
| { "frame", "eval expressions during initialization and per-frame", 0, AV_OPT_TYPE_CONST, { .i64 = EVAL_MODE_FRAME }, 0, 0, FLAGS, .unit = "eval" }, |
| { NULL }, |
| }; |
| |
| static const AVClass nppscale_class = { |
| .class_name = "nppscale", |
| .item_name = av_default_item_name, |
| .option = options, |
| .version = LIBAVUTIL_VERSION_INT, |
| .category = AV_CLASS_CATEGORY_FILTER, |
| }; |
| |
| static const AVFilterPad nppscale_inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = nppscale_filter_frame, |
| } |
| }; |
| |
| static const AVFilterPad nppscale_outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .config_props = config_props, |
| } |
| }; |
| |
| const AVFilter ff_vf_scale_npp = { |
| .name = "scale_npp", |
| .description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video " |
| "scaling and format conversion"), |
| |
| .init = nppscale_init, |
| .uninit = nppscale_uninit, |
| |
| .priv_size = sizeof(NPPScaleContext), |
| .priv_class = &nppscale_class, |
| |
| FILTER_INPUTS(nppscale_inputs), |
| FILTER_OUTPUTS(nppscale_outputs), |
| |
| FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA), |
| |
| .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
| }; |
| |
| static const AVFilterPad nppscale2ref_inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = nppscale_filter_frame, |
| }, |
| { |
| .name = "ref", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = nppscale_filter_frame_ref, |
| } |
| }; |
| |
| static const AVFilterPad nppscale2ref_outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .config_props = config_props, |
| .request_frame= request_frame, |
| }, |
| { |
| .name = "ref", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .config_props = config_props_ref, |
| .request_frame= request_frame_ref, |
| } |
| }; |
| |
| const AVFilter ff_vf_scale2ref_npp = { |
| .name = "scale2ref_npp", |
| .description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video " |
| "scaling and format conversion to the " |
| "given reference."), |
| |
| .init = nppscale_init, |
| .uninit = nppscale_uninit, |
| |
| .priv_size = sizeof(NPPScaleContext), |
| .priv_class = &nppscale_class, |
| |
| FILTER_INPUTS(nppscale2ref_inputs), |
| FILTER_OUTPUTS(nppscale2ref_outputs), |
| |
| FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA), |
| |
| .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
| }; |