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a50ce9c6b0
When implementing NDK media support, it would be useful to also have JNI implementation in the same binary as NDK media compatibility is lower. As such, implement a rudimentary vtable system for gstamc-codec and gstamc-format, and allow choosing the implementation at static_init() time. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4115>
156 lines
6.6 KiB
C
156 lines
6.6 KiB
C
/*
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* Copyright (C) 2012,2018 Collabora Ltd.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
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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 Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __GST_AMC_CODEC_H__
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#define __GST_AMC_CODEC_H__
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#include <gst/gst.h>
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#include "gstamc-format.h"
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#include "gstamcsurfacetexture.h"
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G_BEGIN_DECLS
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typedef struct _GstAmcBuffer GstAmcBuffer;
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typedef struct _GstAmcBufferInfo GstAmcBufferInfo;
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typedef struct _GstAmcCodecVTable GstAmcCodecVTable;
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typedef struct _GstAmcCodec GstAmcCodec;
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struct _GstAmcBuffer {
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guint8 *data;
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gsize size;
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};
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struct _GstAmcBufferInfo {
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gint flags;
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gint offset;
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gint64 presentation_time_us;
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gint size;
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};
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struct _GstAmcCodecVTable
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{
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void (* buffer_free) (GstAmcBuffer * buffer);
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gboolean (* buffer_set_position_and_limit) (GstAmcBuffer * buffer,
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GError ** err,
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gint position,
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gint limit);
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GstAmcCodec * (* create) (const gchar * name,
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gboolean is_encoder,
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GError ** err);
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void (* free) (GstAmcCodec * codec);
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gboolean (* configure) (GstAmcCodec * codec,
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GstAmcFormat * format,
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GstAmcSurfaceTexture * surface_texture,
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GError **err);
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GstAmcFormat * (* get_output_format) (GstAmcCodec * codec,
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GError **err);
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gboolean (* start) (GstAmcCodec * codec,
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GError **err);
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gboolean (* stop) (GstAmcCodec * codec,
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GError **err);
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gboolean (* flush) (GstAmcCodec * codec,
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GError **err);
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gboolean (* release) (GstAmcCodec * codec,
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GError **err);
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gboolean (* request_key_frame) (GstAmcCodec * codec,
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GError **err);
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gboolean (* have_dynamic_bitrate) (void);
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gboolean (* set_dynamic_bitrate) (GstAmcCodec * codec,
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GError **err,
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gint bitrate);
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GstAmcBuffer * (* get_output_buffer) (GstAmcCodec * codec,
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gint index,
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GError **err);
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GstAmcBuffer * (* get_input_buffer) (GstAmcCodec * codec,
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gint index,
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GError **err);
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gint (* dequeue_input_buffer) (GstAmcCodec * codec,
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gint64 timeoutUs,
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GError **err);
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gint (* dequeue_output_buffer) (GstAmcCodec * codec,
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GstAmcBufferInfo *info,
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gint64 timeoutUs,
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GError **err);
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gboolean (* queue_input_buffer) (GstAmcCodec * codec,
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gint index,
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const GstAmcBufferInfo *info,
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GError **err);
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gboolean (* release_output_buffer) (GstAmcCodec * codec,
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gint index,
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gboolean render,
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GError **err);
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GstAmcSurfaceTexture * (* new_surface_texture) (GError ** err);
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};
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extern GstAmcCodecVTable *gst_amc_codec_vtable;
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void gst_amc_buffer_free (GstAmcBuffer * buffer);
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gboolean gst_amc_buffer_set_position_and_limit (GstAmcBuffer * buffer, GError ** err,
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gint position, gint limit);
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GstAmcCodec * gst_amc_codec_new (const gchar *name, gboolean is_encoder, GError **err);
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void gst_amc_codec_free (GstAmcCodec * codec);
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gboolean gst_amc_codec_configure (GstAmcCodec * codec, GstAmcFormat * format, GstAmcSurfaceTexture * surface_texture, GError **err);
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GstAmcFormat * gst_amc_codec_get_output_format (GstAmcCodec * codec, GError **err);
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gboolean gst_amc_codec_start (GstAmcCodec * codec, GError **err);
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gboolean gst_amc_codec_stop (GstAmcCodec * codec, GError **err);
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gboolean gst_amc_codec_flush (GstAmcCodec * codec, GError **err);
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gboolean gst_amc_codec_release (GstAmcCodec * codec, GError **err);
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gboolean gst_amc_codec_request_key_frame (GstAmcCodec * codec, GError **err);
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gboolean gst_amc_codec_have_dynamic_bitrate (void);
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gboolean gst_amc_codec_set_dynamic_bitrate (GstAmcCodec * codec, GError **err, gint bitrate);
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GstAmcBuffer * gst_amc_codec_get_output_buffer (GstAmcCodec * codec, gint index, GError **err);
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GstAmcBuffer * gst_amc_codec_get_input_buffer (GstAmcCodec * codec, gint index, GError **err);
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gint gst_amc_codec_dequeue_input_buffer (GstAmcCodec * codec, gint64 timeoutUs, GError **err);
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gint gst_amc_codec_dequeue_output_buffer (GstAmcCodec * codec, GstAmcBufferInfo *info, gint64 timeoutUs, GError **err);
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gboolean gst_amc_codec_queue_input_buffer (GstAmcCodec * codec, gint index, const GstAmcBufferInfo *info, GError **err);
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gboolean gst_amc_codec_release_output_buffer (GstAmcCodec * codec, gint index, gboolean render, GError **err);
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GstAmcSurfaceTexture * gst_amc_codec_new_surface_texture (GError ** err);
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G_END_DECLS
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#endif /* __GST_AMC_CODEC_H__ */
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