/*
 * Copyright (C) 2012, Collabora Ltd.
 *   Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation
 * version 2.1 of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 *
 */

#ifndef __GST_AMC_H__
#define __GST_AMC_H__

#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/audio/audio.h>
#include <jni.h>

G_BEGIN_DECLS

typedef struct _GstAmcCodecInfo GstAmcCodecInfo;
typedef struct _GstAmcCodecType GstAmcCodecType;
typedef struct _GstAmcCodec GstAmcCodec;
typedef struct _GstAmcBufferInfo GstAmcBufferInfo;
typedef struct _GstAmcFormat GstAmcFormat;
typedef struct _GstAmcBuffer GstAmcBuffer;
typedef struct _GstAmcColorFormatInfo GstAmcColorFormatInfo;

struct _GstAmcCodecType {
  gchar *mime;

  gint *color_formats;
  gint n_color_formats;

  struct {
    gint profile;
    gint level;
  } *profile_levels;
  gint n_profile_levels;
};

struct _GstAmcCodecInfo {
  gchar *name;
  gboolean is_encoder;
  GstAmcCodecType *supported_types;
  gint n_supported_types;
};

struct _GstAmcBuffer {
  jobject object; /* global reference */
  guint8 *data;
  gsize size;
};

struct _GstAmcFormat {
  /* < private > */
  jobject object; /* global reference */
};

struct _GstAmcCodec {
  /* < private > */
  jobject object; /* global reference */
};

struct _GstAmcBufferInfo {
  gint flags;
  gint offset;
  gint64 presentation_time_us;
  gint size;
};

extern GQuark gst_amc_codec_info_quark;

GstAmcCodec * gst_amc_codec_new (const gchar *name, GError **err);
void gst_amc_codec_free (GstAmcCodec * codec);

gboolean gst_amc_codec_configure (GstAmcCodec * codec, GstAmcFormat * format, gint flags, GError **err);
GstAmcFormat * gst_amc_codec_get_output_format (GstAmcCodec * codec, GError **err);

gboolean gst_amc_codec_start (GstAmcCodec * codec, GError **err);
gboolean gst_amc_codec_stop (GstAmcCodec * codec, GError **err);
gboolean gst_amc_codec_flush (GstAmcCodec * codec, GError **err);
gboolean gst_amc_codec_release (GstAmcCodec * codec, GError **err);

GstAmcBuffer * gst_amc_codec_get_output_buffers (GstAmcCodec * codec, gsize * n_buffers, GError **err);
GstAmcBuffer * gst_amc_codec_get_input_buffers (GstAmcCodec * codec, gsize * n_buffers, GError **err);
void gst_amc_codec_free_buffers (GstAmcBuffer * buffers, gsize n_buffers);

gint gst_amc_codec_dequeue_input_buffer (GstAmcCodec * codec, gint64 timeoutUs, GError **err);
gint gst_amc_codec_dequeue_output_buffer (GstAmcCodec * codec, GstAmcBufferInfo *info, gint64 timeoutUs, GError **err);

gboolean gst_amc_codec_queue_input_buffer (GstAmcCodec * codec, gint index, const GstAmcBufferInfo *info, GError **err);
gboolean gst_amc_codec_release_output_buffer (GstAmcCodec * codec, gint index, GError **err);


GstAmcFormat * gst_amc_format_new_audio (const gchar *mime, gint sample_rate, gint channels, GError **err);
GstAmcFormat * gst_amc_format_new_video (const gchar *mime, gint width, gint height, GError **err);
void gst_amc_format_free (GstAmcFormat * format);

gchar * gst_amc_format_to_string (GstAmcFormat * format, GError **err);

gboolean gst_amc_format_contains_key (GstAmcFormat *format, const gchar *key, GError **err);

gboolean gst_amc_format_get_float (GstAmcFormat *format, const gchar *key, gfloat *value, GError **err);
void gst_amc_format_set_float (GstAmcFormat *format, const gchar *key, gfloat value, GError **err);
gboolean gst_amc_format_get_int (GstAmcFormat *format, const gchar *key, gint *value, GError **err);
void gst_amc_format_set_int (GstAmcFormat *format, const gchar *key, gint value, GError **err);
gboolean gst_amc_format_get_string (GstAmcFormat *format, const gchar *key, gchar **value, GError **err);
void gst_amc_format_set_string (GstAmcFormat *format, const gchar *key, const gchar *value, GError **err);
gboolean gst_amc_format_get_buffer (GstAmcFormat *format, const gchar *key, guint8 **data, gsize *size, GError **err);
void gst_amc_format_set_buffer (GstAmcFormat *format, const gchar *key, guint8 *data, gsize size, GError **err);

GstVideoFormat gst_amc_color_format_to_video_format (const GstAmcCodecInfo * codec_info, const gchar * mime, gint color_format);
gint gst_amc_video_format_to_color_format (const GstAmcCodecInfo * codec_info, const gchar * mime, GstVideoFormat video_format);

struct _GstAmcColorFormatInfo {
  gint color_format;
  gint width, height, stride, slice_height;
  gint crop_left, crop_right;
  gint crop_top, crop_bottom;
  gint frame_size;
};

gboolean gst_amc_color_format_info_set (GstAmcColorFormatInfo * color_format_info,
    const GstAmcCodecInfo * codec_info, const gchar * mime,
    gint color_format, gint width, gint height, gint stride, gint slice_height,
    gint crop_left, gint crop_right, gint crop_top, gint crop_bottom);

typedef enum
{
  COLOR_FORMAT_COPY_OUT,
  COLOR_FORMAT_COPY_IN
} GstAmcColorFormatCopyDirection;

gboolean gst_amc_color_format_copy (
    GstAmcColorFormatInfo * cinfo, GstAmcBuffer * cbuffer, const GstAmcBufferInfo * cbuffer_info,
    GstVideoInfo * vinfo, GstBuffer * vbuffer, GstAmcColorFormatCopyDirection direction);

const gchar * gst_amc_avc_profile_to_string (gint profile, const gchar **alternative);
gint gst_amc_avc_profile_from_string (const gchar *profile);
const gchar * gst_amc_avc_level_to_string (gint level);
gint gst_amc_avc_level_from_string (const gchar *level);
gint gst_amc_h263_profile_to_gst_id (gint profile);
gint gst_amc_h263_profile_from_gst_id (gint profile);
gint gst_amc_h263_level_to_gst_id (gint level);
gint gst_amc_h263_level_from_gst_id (gint level);
const gchar * gst_amc_mpeg4_profile_to_string (gint profile);
gint gst_amc_avc_mpeg4_profile_from_string (const gchar *profile);
const gchar * gst_amc_mpeg4_level_to_string (gint level);
gint gst_amc_mpeg4_level_from_string (const gchar *level);
const gchar * gst_amc_aac_profile_to_string (gint profile);
gint gst_amc_aac_profile_from_string (const gchar *profile);

gboolean gst_amc_audio_channel_mask_to_positions (guint32 channel_mask, gint channels, GstAudioChannelPosition *pos);
guint32 gst_amc_audio_channel_mask_from_positions (GstAudioChannelPosition *positions, gint channels);
void gst_amc_codec_info_to_caps (const GstAmcCodecInfo * codec_info, GstCaps **sink_caps, GstCaps **src_caps);

#define GST_ELEMENT_ERROR_FROM_ERROR(el, err) G_STMT_START { \
  gchar *__dbg = g_strdup (err->message);                               \
  GST_WARNING_OBJECT (el, "error: %s", __dbg);                          \
  gst_element_message_full (GST_ELEMENT(el), GST_MESSAGE_ERROR,         \
    err->domain, err->code,                                             \
    NULL, __dbg, __FILE__, GST_FUNCTION, __LINE__);                     \
  g_clear_error (&err); \
} G_STMT_END

#define GST_ELEMENT_WARNING_FROM_ERROR(el, err) G_STMT_START { \
  gchar *__dbg = g_strdup (err->message);                               \
  GST_WARNING_OBJECT (el, "error: %s", __dbg);                          \
  gst_element_message_full (GST_ELEMENT(el), GST_MESSAGE_WARNING,       \
    err->domain, err->code,                                             \
    NULL, __dbg, __FILE__, GST_FUNCTION, __LINE__);                     \
  g_clear_error (&err); \
} G_STMT_END

G_END_DECLS

#endif /* __GST_AMC_H__ */