gstadapter.h 4.4 KB

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  1. /* GStreamer
  2. * Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
  3. *
  4. * This library is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU Library General Public
  6. * License as published by the Free Software Foundation; either
  7. * version 2 of the License, or (at your option) any later version.
  8. *
  9. * This library is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * Library General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU Library General Public
  15. * License along with this library; if not, write to the
  16. * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  17. * Boston, MA 02110-1301, USA.
  18. */
  19. #include <gst/gst.h>
  20. #ifndef __GST_ADAPTER_H__
  21. #define __GST_ADAPTER_H__
  22. G_BEGIN_DECLS
  23. #define GST_TYPE_ADAPTER \
  24. (gst_adapter_get_type())
  25. #define GST_ADAPTER(obj) \
  26. (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_ADAPTER, GstAdapter))
  27. #define GST_ADAPTER_CLASS(klass) \
  28. (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_ADAPTER, GstAdapterClass))
  29. #define GST_ADAPTER_GET_CLASS(obj) \
  30. (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_ADAPTER, GstAdapterClass))
  31. #define GST_IS_ADAPTER(obj) \
  32. (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_ADAPTER))
  33. #define GST_IS_ADAPTER_CLASS(klass) \
  34. (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_ADAPTER))
  35. /**
  36. * GstAdapter:
  37. *
  38. * The opaque #GstAdapter data structure.
  39. */
  40. typedef struct _GstAdapter GstAdapter;
  41. typedef struct _GstAdapterClass GstAdapterClass;
  42. GType gst_adapter_get_type (void);
  43. GstAdapter * gst_adapter_new (void) G_GNUC_MALLOC;
  44. void gst_adapter_clear (GstAdapter *adapter);
  45. void gst_adapter_push (GstAdapter *adapter, GstBuffer* buf);
  46. gconstpointer gst_adapter_map (GstAdapter *adapter, gsize size);
  47. void gst_adapter_unmap (GstAdapter *adapter);
  48. void gst_adapter_copy (GstAdapter *adapter, gpointer dest,
  49. gsize offset, gsize size);
  50. GBytes * gst_adapter_copy_bytes (GstAdapter *adapter,
  51. gsize offset, gsize size);
  52. void gst_adapter_flush (GstAdapter *adapter, gsize flush);
  53. gpointer gst_adapter_take (GstAdapter *adapter, gsize nbytes);
  54. GstBuffer* gst_adapter_take_buffer (GstAdapter *adapter, gsize nbytes);
  55. GList* gst_adapter_take_list (GstAdapter *adapter, gsize nbytes);
  56. GstBuffer * gst_adapter_take_buffer_fast (GstAdapter *adapter, gsize nbytes);
  57. GstBufferList * gst_adapter_take_buffer_list (GstAdapter *adapter, gsize nbytes);
  58. GstBuffer* gst_adapter_get_buffer (GstAdapter *adapter, gsize nbytes);
  59. GList* gst_adapter_get_list (GstAdapter *adapter, gsize nbytes);
  60. GstBuffer * gst_adapter_get_buffer_fast (GstAdapter *adapter, gsize nbytes);
  61. GstBufferList * gst_adapter_get_buffer_list (GstAdapter *adapter, gsize nbytes);
  62. gsize gst_adapter_available (GstAdapter *adapter);
  63. gsize gst_adapter_available_fast (GstAdapter *adapter);
  64. GstClockTime gst_adapter_prev_pts (GstAdapter *adapter, guint64 *distance);
  65. GstClockTime gst_adapter_prev_dts (GstAdapter *adapter, guint64 *distance);
  66. GstClockTime gst_adapter_prev_pts_at_offset (GstAdapter * adapter, gsize offset, guint64 * distance);
  67. GstClockTime gst_adapter_prev_dts_at_offset (GstAdapter * adapter, gsize offset, guint64 * distance);
  68. gssize gst_adapter_masked_scan_uint32 (GstAdapter * adapter, guint32 mask,
  69. guint32 pattern, gsize offset, gsize size);
  70. gssize gst_adapter_masked_scan_uint32_peek (GstAdapter * adapter, guint32 mask,
  71. guint32 pattern, gsize offset, gsize size, guint32 * value);
  72. #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
  73. G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstAdapter, gst_object_unref)
  74. #endif
  75. G_END_DECLS
  76. #endif /* __GST_ADAPTER_H__ */