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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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8fe0590c29
Don't apply timestamps based on output time from the encoder, but use the MMAL STC and capture PTS to generate a GStreamer timestamp that more accurately resembles the input (and would preserve reordering should the encoder ever add B-frames). Fixes https://github.com/thaytan/gst-rpicamsrc/issues/16
112 lines
5.1 KiB
C
112 lines
5.1 KiB
C
/*
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* GStreamer
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* Copyright (C) 2013 Jan Schmidt <jan@centricular.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Alternatively, the contents of this file may be used under the
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* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
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* which case the following provisions apply instead of the ones
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* mentioned above:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __RASPICAPTURE_H__
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#define __RASPICAPTURE_H__
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#include <glib.h>
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#include <inttypes.h>
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#include "interface/mmal/mmal_common.h"
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#include "interface/mmal/mmal_types.h"
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#include "interface/mmal/mmal_parameters_camera.h"
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#include "interface/mmal/mmal_component.h"
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#include "RaspiCamControl.h"
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#include "RaspiPreview.h"
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GST_DEBUG_CATEGORY_EXTERN (gst_rpi_cam_src_debug);
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#define GST_CAT_DEFAULT gst_rpi_cam_src_debug
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#undef fprintf
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#define fprintf(f,...) GST_LOG(__VA_ARGS__)
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#undef vcos_log_error
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#define vcos_log_error GST_ERROR
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G_BEGIN_DECLS
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/** Structure containing all state information for the current run
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*/
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typedef struct
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{
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int verbose; /// !0 if want detailed run information
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int timeout; /// Time taken before frame is grabbed and app then shuts down. Units are milliseconds
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int width; /// Requested width of image
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int height; /// requested height of image
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int bitrate; /// Requested bitrate
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int fps_n; /// Requested frame rate (fps) numerator
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int fps_d; /// Requested frame rate (fps) denominator
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int intraperiod; /// Intra-refresh period (key frame rate)
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int quantisationParameter; /// Quantisation parameter - quality. Set bitrate 0 and set this for variable bitrate
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int bInlineHeaders; /// Insert inline headers to stream (SPS, PPS)
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int demoMode; /// Run app in demo mode
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int demoInterval; /// Interval between camera settings changes
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int immutableInput; /// Flag to specify whether encoder works in place or creates a new buffer. Result is preview can display either
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/// the camera output or the encoder output (with compression artifacts)
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int profile; /// H264 profile to use for encoding
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RASPIPREVIEW_PARAMETERS preview_parameters; /// Preview setup parameters
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RASPICAM_CAMERA_PARAMETERS camera_parameters; /// Camera setup parameters
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int inlineMotionVectors; /// Encoder outputs inline Motion Vectors
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int cameraNum; /// Camera number
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int settings; /// Request settings from the camera
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int sensor_mode; /// Sensor mode. 0=auto. Check docs/forum for modes selected by other values.
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int intra_refresh_type; /// What intra refresh type to use. -1 to not set.
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} RASPIVID_CONFIG;
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typedef struct RASPIVID_STATE_T RASPIVID_STATE;
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void raspicapture_init();
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void raspicapture_default_config(RASPIVID_CONFIG *config);
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RASPIVID_STATE *raspi_capture_setup(RASPIVID_CONFIG *config);
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gboolean raspi_capture_start(RASPIVID_STATE *state);
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GstFlowReturn raspi_capture_fill_buffer(RASPIVID_STATE *state, GstBuffer **buf,
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GstClock *clock, GstClockTime base_time);
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void raspi_capture_stop(RASPIVID_STATE *state);
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void raspi_capture_free(RASPIVID_STATE *state);
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gboolean raspi_capture_request_i_frame(RASPIVID_STATE *state);
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G_END_DECLS
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#endif
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