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72c05d1cbb
In some cases, the user might want the stream outputted by encodebin to
be in the exact same format during all the stream. We should let the
user specify when this is the case. This commit add some API in the
GstEncodingProfile to determine whether the format can be renegotiated
after the encoding started or not.
API:
gst_encoding_profile_set_allow_dynamic_output
gst_encoding_profile_get_allow_dynamic_output
https://bugzilla.gnome.org/show_bug.cgi?id=740214
191 lines
9.1 KiB
C
191 lines
9.1 KiB
C
/* GStreamer encoding profiles library
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* Copyright (C) 2009-2010 Edward Hervey <edward.hervey@collabora.co.uk>
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* (C) 2009-2010 Nokia Corporation
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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_PROFILE_H__
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#define __GST_PROFILE_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#include <gst/pbutils/pbutils-enumtypes.h>
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#include <gst/pbutils/gstdiscoverer.h>
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/**
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* GstEncodingProfile:
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*
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* The opaque base class object for all encoding profiles. This contains generic
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* information like name, description, format and preset.
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*/
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#define GST_TYPE_ENCODING_PROFILE \
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(gst_encoding_profile_get_type ())
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#define GST_ENCODING_PROFILE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ENCODING_PROFILE, GstEncodingProfile))
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#define GST_IS_ENCODING_PROFILE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ENCODING_PROFILE))
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typedef struct _GstEncodingProfile GstEncodingProfile;
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typedef struct _GstEncodingProfileClass GstEncodingProfileClass;
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GType gst_encoding_profile_get_type (void);
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/**
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* GstEncodingContainerProfile:
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*
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* Encoding profiles for containers. Keeps track of a list of #GstEncodingProfile
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*/
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#define GST_TYPE_ENCODING_CONTAINER_PROFILE \
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(gst_encoding_container_profile_get_type ())
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#define GST_ENCODING_CONTAINER_PROFILE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ENCODING_CONTAINER_PROFILE, GstEncodingContainerProfile))
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#define GST_IS_ENCODING_CONTAINER_PROFILE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ENCODING_CONTAINER_PROFILE))
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typedef struct _GstEncodingContainerProfile GstEncodingContainerProfile;
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typedef struct _GstEncodingContainerProfileClass GstEncodingContainerProfileClass;
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GType gst_encoding_container_profile_get_type (void);
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/**
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* GstEncodingVideoProfile:
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*
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* Variant of #GstEncodingProfile for video streams, allows specifying the @pass.
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*/
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#define GST_TYPE_ENCODING_VIDEO_PROFILE \
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(gst_encoding_video_profile_get_type ())
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#define GST_ENCODING_VIDEO_PROFILE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ENCODING_VIDEO_PROFILE, GstEncodingVideoProfile))
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#define GST_IS_ENCODING_VIDEO_PROFILE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ENCODING_VIDEO_PROFILE))
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typedef struct _GstEncodingVideoProfile GstEncodingVideoProfile;
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typedef struct _GstEncodingVideoProfileClass GstEncodingVideoProfileClass;
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GType gst_encoding_video_profile_get_type (void);
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/**
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* GstEncodingAudioProfile:
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*
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* Variant of #GstEncodingProfile for audio streams.
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*/
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#define GST_TYPE_ENCODING_AUDIO_PROFILE \
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(gst_encoding_audio_profile_get_type ())
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#define GST_ENCODING_AUDIO_PROFILE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ENCODING_AUDIO_PROFILE, GstEncodingAudioProfile))
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#define GST_IS_ENCODING_AUDIO_PROFILE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ENCODING_AUDIO_PROFILE))
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typedef struct _GstEncodingAudioProfile GstEncodingAudioProfile;
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typedef struct _GstEncodingAudioProfileClass GstEncodingAudioProfileClass;
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GType gst_encoding_audio_profile_get_type (void);
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/* GstEncodingProfile API */
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/**
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* gst_encoding_profile_unref:
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* @profile: a #GstEncodingProfile
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*
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* Decreases the reference count of the @profile, possibly freeing the @profile.
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*/
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#define gst_encoding_profile_unref(profile) (g_object_unref ((GObject*) profile))
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/**
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* gst_encoding_profile_ref:
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* @profile: a #GstEncodingProfile
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*
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* Increases the reference count of the @profile.
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*/
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#define gst_encoding_profile_ref(profile) (g_object_ref ((GObject*) profile))
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const gchar * gst_encoding_profile_get_name (GstEncodingProfile *profile);
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void gst_encoding_profile_set_name (GstEncodingProfile *profile,
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const gchar *name);
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const gchar * gst_encoding_profile_get_description (GstEncodingProfile *profile);
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void gst_encoding_profile_set_description (GstEncodingProfile *profile,
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const gchar *description);
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GstCaps * gst_encoding_profile_get_format (GstEncodingProfile *profile);
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void gst_encoding_profile_set_format (GstEncodingProfile *profile,
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GstCaps *format);
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gboolean gst_encoding_profile_get_allow_dynamic_output (GstEncodingProfile *profile);
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void gst_encoding_profile_set_allow_dynamic_output (GstEncodingProfile *profile,
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gboolean allow_dynamic_output);
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const gchar * gst_encoding_profile_get_preset (GstEncodingProfile *profile);
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const gchar * gst_encoding_profile_get_preset_name (GstEncodingProfile *profile);
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void gst_encoding_profile_set_preset (GstEncodingProfile *profile,
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const gchar *preset);
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guint gst_encoding_profile_get_presence (GstEncodingProfile *profile);
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void gst_encoding_profile_set_presence (GstEncodingProfile *profile,
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guint presence);
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void gst_encoding_profile_set_preset_name (GstEncodingProfile * profile,
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const gchar * preset_name);
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GstCaps * gst_encoding_profile_get_restriction (GstEncodingProfile *profile);
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void gst_encoding_profile_set_restriction (GstEncodingProfile *profile,
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GstCaps *restriction);
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gboolean gst_encoding_profile_is_equal (GstEncodingProfile *a,
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GstEncodingProfile *b);
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GstCaps * gst_encoding_profile_get_input_caps (GstEncodingProfile *profile);
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const gchar * gst_encoding_profile_get_type_nick (GstEncodingProfile *profile);
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const gchar * gst_encoding_profile_get_file_extension (GstEncodingProfile * profile);
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GstEncodingProfile * gst_encoding_profile_find (const gchar *targetname,
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const gchar *profilename,
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const gchar *category);
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/* GstEncodingContainerProfile API */
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gboolean gst_encoding_container_profile_add_profile (GstEncodingContainerProfile *container,
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GstEncodingProfile *profile);
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gboolean gst_encoding_container_profile_contains_profile (GstEncodingContainerProfile * container,
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GstEncodingProfile *profile);
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const GList * gst_encoding_container_profile_get_profiles (GstEncodingContainerProfile *profile);
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GstEncodingContainerProfile * gst_encoding_container_profile_new (const gchar *name,
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const gchar *description,
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GstCaps *format,
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const gchar *preset);
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/* Invidual stream encodingprofile API */
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GstEncodingVideoProfile * gst_encoding_video_profile_new (GstCaps *format,
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const gchar *preset,
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GstCaps *restriction,
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guint presence);
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GstEncodingAudioProfile * gst_encoding_audio_profile_new (GstCaps *format,
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const gchar *preset,
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GstCaps *restriction,
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guint presence);
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guint gst_encoding_video_profile_get_pass (GstEncodingVideoProfile *prof);
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gboolean gst_encoding_video_profile_get_variableframerate (GstEncodingVideoProfile *prof);
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void gst_encoding_video_profile_set_pass (GstEncodingVideoProfile *prof,
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guint pass);
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void gst_encoding_video_profile_set_variableframerate (GstEncodingVideoProfile *prof,
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gboolean variableframerate);
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GstEncodingProfile * gst_encoding_profile_from_discoverer (GstDiscovererInfo *info);
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G_END_DECLS
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#endif /* __GST_PROFILE_H__ */
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