dlls/winegstreamer/gst_private.h

   1 /*
   2  * GStreamer splitter + decoder, adapted from parser.c
   3  *
   4  * Copyright 2010 Maarten Lankhorst for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __GST_PRIVATE_INCLUDED__
  22 #define __GST_PRIVATE_INCLUDED__
  23
  24 #include <assert.h>
  25 #include <limits.h>
  26 #include <stdarg.h>
  27 #include <stdbool.h>
  28 #include <stdint.h>
  29 #include <stdio.h>
  30
  31 #define COBJMACROS
  32 #define NONAMELESSSTRUCT
  33 #define NONAMELESSUNION
  34 #include "dshow.h"
  35 #include "mfidl.h"
  36 #include "wmsdk.h"
  37 #include "wine/debug.h"
  38 #include "wine/strmbase.h"
  39
  40 #include "unixlib.h"
  41
  42 bool array_reserve(void **elements, size_t *capacity, size_t count, size_t size) DECLSPEC_HIDDEN;
  43
  44 static inline const char *debugstr_time(REFERENCE_TIME time)
  45 {
  46     ULONGLONG abstime = time >= 0 ? time : -time;
  47     unsigned int i = 0, j = 0;
  48     char buffer[23], rev[23];
  49
  50     while (abstime || i <= 8)
  51     {
  52         buffer[i++] = '0' + (abstime % 10);
  53         abstime /= 10;
  54         if (i == 7) buffer[i++] = '.';
  55     }
  56     if (time < 0) buffer[i++] = '-';
  57
  58     while (i--) rev[j++] = buffer[i];
  59     while (rev[j-1] == '0' && rev[j-2] != '.') --j;
  60     rev[j] = 0;
  61
  62     return wine_dbg_sprintf("%s", rev);
  63 }
  64
  65 #define MEDIATIME_FROM_BYTES(x) ((LONGLONG)(x) * 10000000)
  66
  67 struct wg_parser *wg_parser_create(enum wg_parser_type type, bool unlimited_buffering) DECLSPEC_HIDDEN;
  68 void wg_parser_destroy(struct wg_parser *parser) DECLSPEC_HIDDEN;
  69
  70 HRESULT wg_parser_connect(struct wg_parser *parser, uint64_t file_size) DECLSPEC_HIDDEN;
  71 void wg_parser_disconnect(struct wg_parser *parser) DECLSPEC_HIDDEN;
  72
  73 void wg_parser_begin_flush(struct wg_parser *parser) DECLSPEC_HIDDEN;
  74 void wg_parser_end_flush(struct wg_parser *parser) DECLSPEC_HIDDEN;
  75
  76 bool wg_parser_get_next_read_offset(struct wg_parser *parser, uint64_t *offset, uint32_t *size) DECLSPEC_HIDDEN;
  77 void wg_parser_push_data(struct wg_parser *parser, const void *data, uint32_t size) DECLSPEC_HIDDEN;
  78
  79 uint32_t wg_parser_get_stream_count(struct wg_parser *parser) DECLSPEC_HIDDEN;
  80 struct wg_parser_stream *wg_parser_get_stream(struct wg_parser *parser, uint32_t index) DECLSPEC_HIDDEN;
  81
  82 void wg_parser_stream_get_preferred_format(struct wg_parser_stream *stream, struct wg_format *format) DECLSPEC_HIDDEN;
  83 void wg_parser_stream_enable(struct wg_parser_stream *stream, const struct wg_format *format) DECLSPEC_HIDDEN;
  84 void wg_parser_stream_disable(struct wg_parser_stream *stream) DECLSPEC_HIDDEN;
  85
  86 bool wg_parser_stream_get_event(struct wg_parser_stream *stream, struct wg_parser_event *event) DECLSPEC_HIDDEN;
  87 bool wg_parser_stream_copy_buffer(struct wg_parser_stream *stream,
  88         void *data, uint32_t offset, uint32_t size) DECLSPEC_HIDDEN;
  89 void wg_parser_stream_release_buffer(struct wg_parser_stream *stream) DECLSPEC_HIDDEN;
  90 void wg_parser_stream_notify_qos(struct wg_parser_stream *stream,
  91         bool underflow, double proportion, int64_t diff, uint64_t timestamp) DECLSPEC_HIDDEN;
  92
  93 /* Returns the duration in 100-nanosecond units. */
  94 uint64_t wg_parser_stream_get_duration(struct wg_parser_stream *stream) DECLSPEC_HIDDEN;
  95 /* start_pos and stop_pos are in 100-nanosecond units. */
  96 void wg_parser_stream_seek(struct wg_parser_stream *stream, double rate,
  97         uint64_t start_pos, uint64_t stop_pos, DWORD start_flags, DWORD stop_flags) DECLSPEC_HIDDEN;
  98
  99 unsigned int wg_format_get_max_size(const struct wg_format *format);
 100
 101 HRESULT avi_splitter_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 102 HRESULT decodebin_parser_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 103 HRESULT mpeg_splitter_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 104 HRESULT wave_parser_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 105 HRESULT wma_decoder_create(IUnknown *outer, IUnknown **out) DECLSPEC_HIDDEN;
 106
 107 bool amt_from_wg_format(AM_MEDIA_TYPE *mt, const struct wg_format *format, bool wm);
 108 bool amt_to_wg_format(const AM_MEDIA_TYPE *mt, struct wg_format *format);
 109
 110 BOOL init_gstreamer(void) DECLSPEC_HIDDEN;
 111
 112 extern HRESULT mfplat_get_class_object(REFCLSID rclsid, REFIID riid, void **obj) DECLSPEC_HIDDEN;
 113 extern HRESULT mfplat_DllRegisterServer(void) DECLSPEC_HIDDEN;
 114
 115 IMFMediaType *mf_media_type_from_wg_format(const struct wg_format *format) DECLSPEC_HIDDEN;
 116 void mf_media_type_to_wg_format(IMFMediaType *type, struct wg_format *format) DECLSPEC_HIDDEN;
 117
 118 HRESULT winegstreamer_stream_handler_create(REFIID riid, void **obj) DECLSPEC_HIDDEN;
 119
 120 HRESULT audio_converter_create(REFIID riid, void **ret) DECLSPEC_HIDDEN;
 121
 122 struct wm_stream
 123 {
 124     struct wm_reader *reader;
 125     struct wg_parser_stream *wg_stream;
 126     struct wg_format format;
 127     WMT_STREAM_SELECTION selection;
 128     WORD index;
 129     bool eos;
 130     bool allocate_output;
 131     bool allocate_stream;
 132     /* Note that we only pretend to read compressed samples, and instead output
 133      * uncompressed samples regardless of whether we are configured to read
 134      * compressed samples. Rather, the behaviour of the reader objects differs
 135      * in nontrivial ways depending on this field. */
 136     bool read_compressed;
 137 };
 138
 139 struct wm_reader
 140 {
 141     IWMHeaderInfo3 IWMHeaderInfo3_iface;
 142     IWMLanguageList IWMLanguageList_iface;
 143     IWMPacketSize2 IWMPacketSize2_iface;
 144     IWMProfile3 IWMProfile3_iface;
 145     IWMReaderPlaylistBurn IWMReaderPlaylistBurn_iface;
 146     IWMReaderTimecode IWMReaderTimecode_iface;
 147     LONG refcount;
 148     CRITICAL_SECTION cs;
 149
 150     QWORD start_time;
 151
 152     IStream *source_stream;
 153     HANDLE file;
 154     HANDLE read_thread;
 155     bool read_thread_shutdown;
 156     struct wg_parser *wg_parser;
 157
 158     struct wm_stream *streams;
 159     WORD stream_count;
 160
 161     IWMReaderCallbackAdvanced *callback_advanced;
 162
 163     const struct wm_reader_ops *ops;
 164 };
 165
 166 struct wm_reader_ops
 167 {
 168     void *(*query_interface)(struct wm_reader *reader, REFIID iid);
 169     void (*destroy)(struct wm_reader *reader);
 170 };
 171
 172 void wm_reader_cleanup(struct wm_reader *reader);
 173 HRESULT wm_reader_close(struct wm_reader *reader);
 174 HRESULT wm_reader_get_max_stream_size(struct wm_reader *reader, WORD stream_number, DWORD *size);
 175 HRESULT wm_reader_get_output_format(struct wm_reader *reader, DWORD output,
 176         DWORD index, IWMOutputMediaProps **props);
 177 HRESULT wm_reader_get_output_format_count(struct wm_reader *reader, DWORD output, DWORD *count);
 178 HRESULT wm_reader_get_output_props(struct wm_reader *reader, DWORD output,
 179         IWMOutputMediaProps **props);
 180 struct wm_stream *wm_reader_get_stream_by_stream_number(struct wm_reader *reader,
 181         WORD stream_number);
 182 HRESULT wm_reader_get_stream_sample(struct wm_stream *stream,
 183         INSSBuffer **sample, QWORD *pts, QWORD *duration, DWORD *flags);
 184 HRESULT wm_reader_get_stream_selection(struct wm_reader *reader,
 185         WORD stream_number, WMT_STREAM_SELECTION *selection);
 186 void wm_reader_init(struct wm_reader *reader, const struct wm_reader_ops *ops);
 187 HRESULT wm_reader_open_file(struct wm_reader *reader, const WCHAR *filename);
 188 HRESULT wm_reader_open_stream(struct wm_reader *reader, IStream *stream);
 189 void wm_reader_seek(struct wm_reader *reader, QWORD start, LONGLONG duration);
 190 HRESULT wm_reader_set_allocate_for_output(struct wm_reader *reader, DWORD output, BOOL allocate);
 191 HRESULT wm_reader_set_allocate_for_stream(struct wm_reader *reader, WORD stream_number, BOOL allocate);
 192 HRESULT wm_reader_set_output_props(struct wm_reader *reader, DWORD output,
 193         IWMOutputMediaProps *props);
 194 HRESULT wm_reader_set_read_compressed(struct wm_reader *reader,
 195         WORD stream_number, BOOL compressed);
 196 HRESULT wm_reader_set_streams_selected(struct wm_reader *reader, WORD count,
 197         const WORD *stream_numbers, const WMT_STREAM_SELECTION *selections);
 198
 199 #endif /* __GST_PRIVATE_INCLUDED__ */