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13ffed87b1
Add a new property to GstFFMpegVidEnc and GstFFMpegAudEnc to supply the "strict compliance" value to AVCodecContext https://bugzilla.gnome.org/show_bug.cgi?id=691617
167 lines
5.4 KiB
C
167 lines
5.4 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_FFMPEG_CODECMAP_H__
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#define __GST_FFMPEG_CODECMAP_H__
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#include <libavcodec/avcodec.h>
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include <gst/video/video.h>
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/**
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* GstFFMpegCompliance:
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* @GST_FFMPEG_VERY_STRICT: Strictly conform to an older
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* more strict version of the spec or reference software
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* @GST_FFMPEG_STRICT: Strictly conform to all the things
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* in the spec no matter what consequences.
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* @GST_FFMPEG_NORMAL:
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* @GST_FFMPEG_UNOFFICIAL: Allow unofficial extensions
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* @GST_FFMPEG_EXPERIMENTAL: Allow nonstandardized
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* experimental things.
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*
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* This setting instructs libav on how strictly it should follow the
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* associated standard.
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*
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* From avcodec.h:
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* Setting this to STRICT or higher means the encoder and decoder will
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* generally do stupid things, whereas setting it to unofficial or lower
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* will mean the encoder might produce output that is not supported by all
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* spec-compliant decoders. Decoders don't differentiate between normal,
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* unofficial and experimental (that is, they always try to decode things
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* when they can) unless they are explicitly asked to behave stupidly
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* (=strictly conform to the specs)
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*/
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typedef enum {
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GST_FFMPEG_VERY_STRICT = FF_COMPLIANCE_VERY_STRICT,
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GST_FFMPEG_STRICT = FF_COMPLIANCE_STRICT,
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GST_FFMPEG_NORMAL = FF_COMPLIANCE_NORMAL,
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GST_FFMPEG_UNOFFICIAL = FF_COMPLIANCE_UNOFFICIAL,
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GST_FFMPEG_EXPERIMENTAL = FF_COMPLIANCE_EXPERIMENTAL,
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} GstFFMpegCompliance;
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/*
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* _compliance_get_type () Returns an enum type that can be
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* used as a property to indicate desired FFMpeg adherence to
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* an associated specification
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*/
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GType
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gst_ffmpeg_compliance_get_type (void);
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#define GST_TYPE_FFMPEG_COMPLIANCE (gst_ffmpeg_compliance_get_type ())
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#define FFMPEG_DEFAULT_COMPLIANCE GST_FFMPEG_NORMAL
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/*
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* _codecid_to_caps () gets the GstCaps that belongs to
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* a certain CodecID for a pad with compressed data.
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*/
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GstCaps *
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gst_ffmpeg_codecid_to_caps (enum CodecID codec_id,
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AVCodecContext *context,
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gboolean encode);
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/*
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* _codectype_to_caps () gets the GstCaps that belongs to
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* a certain AVMediaType for a pad with uncompressed data.
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*/
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GstCaps *
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gst_ffmpeg_codectype_to_audio_caps (AVCodecContext *context,
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enum CodecID codec_id,
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gboolean encode,
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AVCodec *codec);
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GstCaps *
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gst_ffmpeg_codectype_to_video_caps (AVCodecContext *context,
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enum CodecID codec_id,
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gboolean encode,
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AVCodec *codec);
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/*
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* caps_to_codecid () transforms a GstCaps that belongs to
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* a pad for compressed data to (optionally) a filled-in
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* context and a codecID.
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*/
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enum CodecID
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gst_ffmpeg_caps_to_codecid (const GstCaps *caps,
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AVCodecContext *context);
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/*
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* caps_with_codecid () transforms a GstCaps for a known codec
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* ID into a filled-in context.
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*/
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void
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gst_ffmpeg_caps_with_codecid (enum CodecID codec_id,
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enum AVMediaType codec_type,
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const GstCaps *caps,
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AVCodecContext *context);
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/*
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* caps_with_codectype () transforms a GstCaps that belongs to
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* a pad for uncompressed data to a filled-in context.
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*/
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void
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gst_ffmpeg_caps_with_codectype (enum AVMediaType type,
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const GstCaps *caps,
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AVCodecContext *context);
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void
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gst_ffmpeg_videoinfo_to_context (GstVideoInfo *info,
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AVCodecContext *context);
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void
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gst_ffmpeg_audioinfo_to_context (GstAudioInfo *info,
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AVCodecContext *context);
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GstVideoFormat gst_ffmpeg_pixfmt_to_videoformat (enum PixelFormat pixfmt);
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enum PixelFormat gst_ffmpeg_videoformat_to_pixfmt (GstVideoFormat format);
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GstAudioFormat gst_ffmpeg_smpfmt_to_audioformat (enum AVSampleFormat sample_fmt);
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/*
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* _formatid_to_caps () is meant for muxers/demuxers, it
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* transforms a name (ffmpeg way of ID'ing these, why don't
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* they have unique numerical IDs?) to the corresponding
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* caps belonging to that mux-format
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*/
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GstCaps *
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gst_ffmpeg_formatid_to_caps (const gchar *format_name);
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/*
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* _formatid_get_codecids () can be used to get the codecIDs
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* (CODEC_ID_NONE-terminated list) that fit that specific
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* output format.
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*/
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gboolean
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gst_ffmpeg_formatid_get_codecids (const gchar *format_name,
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enum CodecID ** video_codec_list,
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enum CodecID ** audio_codec_list,
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AVOutputFormat * plugin);
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gboolean
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gst_ffmpeg_channel_layout_to_gst (guint64 channel_layout, gint channels,
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GstAudioChannelPosition * pos);
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#endif /* __GST_FFMPEG_CODECMAP_H__ */
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