/** @internal @This handles data. * * @param upipe description structure of the pipe * @param uref uref structure describing the picture * @param upump_p reference to pump that generated the buffer * @return true if the packet was handled */ static bool upipe_audiobar_handle(struct upipe *upipe, struct uref *uref, struct upump **upump_p) { struct upipe_audiobar *upipe_audiobar = upipe_audiobar_from_upipe(upipe); const char *def; if (unlikely(ubase_check(uref_flow_get_def(uref, &def)))) { UBASE_FATAL(upipe, uref_sound_flow_get_channels(uref, &upipe_audiobar->channels)) uref_sound_flow_clear_format(uref); UBASE_FATAL(upipe, uref_attr_import(uref, upipe_audiobar->flow_def_config)) uref_pic_flow_clear_format(uref); UBASE_FATAL(upipe, uref_pic_flow_set_planes(uref, 0)) UBASE_FATAL(upipe, uref_pic_flow_set_macropixel(uref, 1)) UBASE_FATAL(upipe, uref_pic_flow_add_plane(uref, 1, 1, 1, "y8")) UBASE_FATAL(upipe, uref_pic_flow_add_plane(uref, 2, 1, 1, "u8")) UBASE_FATAL(upipe, uref_pic_flow_add_plane(uref, 2, 1, 1, "v8")) UBASE_FATAL(upipe, uref_pic_flow_add_plane(uref, 1, 1, 1, "a8")) UBASE_FATAL(upipe, uref_pic_set_progressive(uref)) upipe_audiobar->hsize = upipe_audiobar->vsize = upipe_audiobar->sep_width = upipe_audiobar->pad_width = UINT64_MAX; upipe_audiobar_require_flow_format(upipe, uref); return true; } if (!upipe_audiobar->ubuf_mgr) return false; if (unlikely(upipe_audiobar->hsize == UINT64_MAX)) return false; struct ubuf *ubuf = ubuf_pic_alloc(upipe_audiobar->ubuf_mgr, upipe_audiobar->hsize, upipe_audiobar->vsize); uref_attach_ubuf(uref, ubuf); uint8_t *dst[4]; size_t strides[4]; uint8_t hsubs[4]; uint8_t vsubs[4]; static const char *chroma[4] = { "y8", "u8", "v8", "a8" }; for (int i = 0; i < 4; i++) { if (unlikely(!ubase_check(uref_pic_plane_write(uref, chroma[i], 0, 0, -1, -1, &dst[i])) || !ubase_check(uref_pic_plane_size(uref, chroma[i], &strides[i], &hsubs[i], &vsubs[i], NULL)))) { upipe_throw_fatal(upipe, UBASE_ERR_ALLOC); uref_free(uref); return true; } } uint8_t alpha = upipe_audiobar->alpha; uint64_t h = upipe_audiobar->vsize; const int hred = h - (iec_scale(-8.) * h); const int hyellow = h - (iec_scale(-18.) * h); uint8_t transparent[4] = { 0x10, 0x80, 0x80, 0 }; uint8_t black[4] = { 0x10, 0x80, 0x80, alpha }; uint8_t red[2][4] = { { 76, 85, 0xff, alpha }, { 37, 106, 191, alpha } }; uint8_t green[2][4] = { { 150, 44, 21, alpha }, { 74, 85, 74, alpha } }; uint8_t yellow[2][4] = { { 226, 1, 148, alpha }, { 112, 64, 138, alpha } }; uint64_t pts = 0; if (unlikely(!ubase_check(uref_clock_get_pts_prog(uref, &pts)))) { upipe_warn(upipe, "unable to read pts"); } for (uint8_t chan = 0; chan < upipe_audiobar->channels; chan++) { double amplitude = 0.; if (unlikely(!ubase_check(uref_amax_get_amplitude(uref, &litude, chan)))) upipe_warn_va(upipe, "unable to get amplitude for channel %"PRIu8", assuming silence", chan); double scale = log10(amplitude) * 20; // IEC-268-18 return time speed is 20dB per 1.7s (+/- .3) if (upipe_audiobar->peak_date[chan]) upipe_audiobar->peak[chan] -= 20 * (pts - upipe_audiobar->peak_date[chan]) / (1.7 * UCLOCK_FREQ); upipe_audiobar->peak_date[chan] = pts; if (scale >= upipe_audiobar->peak[chan]) /* higher than lowered peak */ upipe_audiobar->peak[chan] = scale; else /* Current amplitude can not go below the lowered peak value */ scale = upipe_audiobar->peak[chan]; scale = iec_scale(scale); const int hmax = h - scale * h; for (int row = 0; row < h; row++) { bool bright = row > hmax; const uint8_t *color = row < hred ? red[!bright] : row < hyellow ? yellow[!bright] : green[!bright]; copy_color(dst, strides, hsubs, vsubs, color, row, chan * upipe_audiobar->chan_width, upipe_audiobar->chan_width); if (chan && upipe_audiobar->sep_width) copy_color(dst, strides, hsubs, vsubs, black, row, chan * upipe_audiobar->chan_width - upipe_audiobar->sep_width / 2, upipe_audiobar->sep_width); if (chan == upipe_audiobar->channels - 1 && upipe_audiobar->pad_width) copy_color(dst, strides, hsubs, vsubs, transparent, row, (chan + 1) * upipe_audiobar->chan_width, upipe_audiobar->pad_width); } } /* dB marks */ for (int i = 1; i <= 6; i++) { int row = h - (iec_scale(-10 * i) * h); copy_color(dst, strides, hsubs, vsubs, black, row, 0, upipe_audiobar->hsize); } for (int i = 0; i < 4; i++) ubuf_pic_plane_unmap(ubuf, chroma[i], 0, 0, -1, -1); upipe_audiobar_output(upipe, uref, upump_p); return true; }
/** @internal @This outputs video frames * * @param upipe description structure of the pipe * @param frame AVFrame structure * @param upump upump structure */ static void upipe_avcdec_output_frame(struct upipe *upipe, AVFrame *frame, struct upump *upump) { struct ubuf *ubuf; struct upipe_avcdec *upipe_avcdec = upipe_avcdec_from_upipe(upipe); const struct upipe_av_plane *planes = upipe_avcdec->pixfmt->planes; struct uref *uref = uref_dup(frame->opaque); uint8_t *data, *src, hsub, vsub; const char *chroma = NULL; size_t sstride, dstride; int i, j; struct urational aspect; /* if uref has no attached ubuf (ie DR not supported) */ if (unlikely(!uref->ubuf)) { ubuf = ubuf_pic_alloc(upipe_avcdec->ubuf_mgr, frame->width, frame->height); if (!ubuf) { upipe_throw_aerror(upipe); return; } /* iterate through planes and copy data */ i = j = 0; for (i=0; i < 4 && (chroma = planes[i].chroma); i++) { ubuf_pic_plane_write(ubuf, chroma, 0, 0, -1, -1, &data); ubuf_pic_plane_size(ubuf, chroma, &dstride, &hsub, &vsub, NULL); src = frame->data[i]; sstride = frame->linesize[i]; for (j = 0; j < frame->height/vsub; j++) { memcpy(data, src, frame->width/hsub); data += dstride; src += sstride; } ubuf_pic_plane_unmap(ubuf, chroma, 0, 0, -1, -1); } uref_attach_ubuf(uref, ubuf); } /* set aspect-ratio */ aspect.den = 0; /* null denom is invalid */ if (upipe_avcdec->context->sample_aspect_ratio.den) { aspect.num = upipe_avcdec->context->sample_aspect_ratio.num; aspect.den = upipe_avcdec->context->sample_aspect_ratio.den; } else if (frame->sample_aspect_ratio.den) { aspect.num = frame->sample_aspect_ratio.num; aspect.den = frame->sample_aspect_ratio.den; } if (aspect.den) { urational_simplify(&aspect); uref_pic_set_aspect(uref, aspect); } if (!upipe_avcdec->output_flow) { struct uref *outflow = uref_pic_flow_alloc_def(upipe_avcdec->uref_mgr, 1); upipe_avcdec_store_flow_def(upipe, outflow); } /* index rap attribute */ upipe_avcdec_set_index_rap(upipe, uref); upipe_avcdec_output(upipe, uref, upump); }
/** @internal @This handles the input uref. * * @param upipe description structure of the pipe * @param uref input uref * @param upump_p reference to pump that generated the buffer */ static void upipe_vblk_input(struct upipe *upipe, struct uref *uref, struct upump **upump_p) { struct upipe_vblk *upipe_vblk = upipe_vblk_from_upipe(upipe); struct uref *flow_def = upipe_vblk->flow_def; struct uref *input_flow_def = upipe_vblk->input_flow_def; if (uref->ubuf) { upipe_vblk_output(upipe, uref, upump_p); return; } if (unlikely(!input_flow_def)) { upipe_warn(upipe, "no input flow definition"); uref_free(uref); return; } if (unlikely(!flow_def)) { upipe_warn(upipe, "no output flow definition"); uref_free(uref); return; } if (unlikely(!upipe_vblk->ubuf_mgr)) { upipe_warn(upipe, "no ubuf manager set"); uref_free(uref); return; } if (unlikely(!upipe_vblk->ubuf)) { upipe_verbose(upipe, "allocate blank picture"); uint64_t hsize, vsize; ubase_assert(uref_pic_flow_get_hsize(upipe_vblk->flow_def, &hsize)); ubase_assert(uref_pic_flow_get_vsize(upipe_vblk->flow_def, &vsize)); upipe_vblk->ubuf = ubuf_pic_alloc(upipe_vblk->ubuf_mgr, hsize, vsize); if (unlikely(!upipe_vblk->ubuf)) { upipe_err(upipe, "fail to allocate picture"); uref_free(uref); upipe_throw_fatal(upipe, UBASE_ERR_ALLOC); return; } ubuf_pic_clear(upipe_vblk->ubuf, 0, 0, -1, -1, 1); } struct ubuf *ubuf = ubuf_dup(upipe_vblk->ubuf); if (unlikely(!ubuf)) { upipe_err(upipe, "fail to duplicate blank picture"); uref_free(uref); upipe_throw_fatal(upipe, UBASE_ERR_ALLOC); return; } uref_attach_ubuf(uref, ubuf); if (ubase_check(uref_pic_get_progressive(flow_def))) uref_pic_set_progressive(uref); upipe_vblk_output(upipe, uref, upump_p); }
/** @internal @This is called by avcodec when allocating a new frame * @param context current avcodec context * @param frame avframe handler entering avcodec black magic box */ static int upipe_avcdec_get_buffer(struct AVCodecContext *context, AVFrame *frame) { struct upipe *upipe = context->opaque; struct upipe_avcdec *upipe_avcdec = upipe_avcdec_from_upipe(upipe); struct ubuf *ubuf_pic; int width_aligned, height_aligned, i; const struct upipe_av_plane *planes = NULL; size_t stride = 0; frame->opaque = uref_dup(upipe_avcdec->uref); uint64_t framenum = 0; uref_pic_get_number(frame->opaque, &framenum); upipe_dbg_va(upipe, "Allocating frame for %u (%p) - %ux%u", framenum, frame->opaque, frame->width, frame->height); if (unlikely(!upipe_avcdec->pixfmt)) { upipe_avcdec->pixfmt = upipe_av_pixfmt_from_ubuf_mgr(upipe_avcdec->ubuf_mgr); if (unlikely(!upipe_avcdec->pixfmt)) { upipe_err_va(upipe, "frame format of ubuf manager not recognized"); return 0; } } if (context->pix_fmt != *upipe_avcdec->pixfmt->pixfmt) { upipe_err_va(upipe, "frame format not compatible (%s != %s", av_get_pix_fmt_name(context->pix_fmt), av_get_pix_fmt_name(*upipe_avcdec->pixfmt->pixfmt)); return 0; } planes = upipe_avcdec->pixfmt->planes; /* direct rendering - allocate ubuf pic */ if (upipe_avcdec->context->codec->capabilities & CODEC_CAP_DR1) { width_aligned = context->width; height_aligned = context->height; /* use avcodec width/height alignement, then resize pic */ avcodec_align_dimensions(context, &width_aligned, &height_aligned); ubuf_pic = ubuf_pic_alloc(upipe_avcdec->ubuf_mgr, width_aligned, height_aligned); if (likely(ubuf_pic)) { ubuf_pic_resize(ubuf_pic, 0, 0, context->width, context->height); uref_attach_ubuf(frame->opaque, ubuf_pic); for (i=0; i < 4 && planes[i].chroma; i++) { ubuf_pic_plane_write(ubuf_pic, planes[i].chroma, 0, 0, -1, -1, &frame->data[i]); ubuf_pic_plane_size(ubuf_pic, planes[i].chroma, &stride, NULL, NULL, NULL); frame->linesize[i] = stride; } frame->extended_data = frame->data; frame->type = FF_BUFFER_TYPE_USER; return 1; /* success */ } else { upipe_dbg_va(upipe, "ubuf_pic_alloc(%d, %d) failed, fallback", width_aligned, height_aligned); } } /* default : DR failed or not available */ return avcodec_default_get_buffer(context, frame); }
/** @internal @This handles input. * * @param upipe description structure of the pipe * @param uref uref structure * @param upump_p reference to upump structure * @return always true */ static bool upipe_filter_blend_handle(struct upipe *upipe, struct uref *uref, struct upump **upump_p) { struct upipe_filter_blend *upipe_filter_blend = upipe_filter_blend_from_upipe(upipe); const char *def; if (unlikely(ubase_check(uref_flow_get_def(uref, &def)))) { upipe_filter_blend_store_flow_def(upipe, NULL); upipe_filter_blend_require_ubuf_mgr(upipe, uref); return true; } if (upipe_filter_blend->flow_def == NULL) return false; const uint8_t *in; uint8_t *out; uint8_t hsub, vsub, macropixel_size; size_t stride_in = 0, stride_out = 0, width, height; const char *chroma = NULL; struct ubuf *ubuf_deint = NULL; // Now process frames uref_pic_size(uref, &width, &height, NULL); upipe_verbose_va(upipe, "received pic (%zux%zu)", width, height); assert(upipe_filter_blend->ubuf_mgr); ubuf_deint = ubuf_pic_alloc(upipe_filter_blend->ubuf_mgr, width, height); if (unlikely(!ubuf_deint)) { upipe_throw_fatal(upipe, UBASE_ERR_ALLOC); goto error; } // Iterate planes while (ubase_check(uref_pic_plane_iterate(uref, &chroma)) && chroma) { // map all if (unlikely(!ubase_check(uref_pic_plane_size(uref, chroma, &stride_in, &hsub, &vsub, ¯opixel_size)))) { upipe_err_va(upipe, "Could not read origin chroma %s", chroma); goto error; } if (unlikely(!ubase_check(ubuf_pic_plane_size(ubuf_deint, chroma, &stride_out, NULL, NULL, NULL)))) { upipe_err_va(upipe, "Could not read dest chroma %s", chroma); goto error; } uref_pic_plane_read(uref, chroma, 0, 0, -1, -1, &in); ubuf_pic_plane_write(ubuf_deint, chroma, 0, 0, -1, -1, &out); // process plane upipe_filter_blend_plane(in, out, stride_in, stride_out, (size_t) height/vsub, macropixel_size); // unmap all uref_pic_plane_unmap(uref, chroma, 0, 0, -1, -1); ubuf_pic_plane_unmap(ubuf_deint, chroma, 0, 0, -1, -1); } // Attach new ubuf and output frame uref_attach_ubuf(uref, ubuf_deint); uref_pic_set_progressive(uref); uref_pic_delete_tff(uref); upipe_filter_blend_output(upipe, uref, upump_p); return true; error: uref_free(uref); if (ubuf_deint) { ubuf_free(ubuf_deint); } return true; }