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1 /**
2  * @copyright
3  *
4  *   Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
5  *
6  *   Redistribution and use in source and binary forms, with or without
7  *   modification, are permitted provided that the following conditions are met:
8  *
9  *   * Redistributions of source code must retain the above copyright notice,
10  *     this list of conditions and the following disclaimer.
11  *   * Redistributions in binary form must reproduce the above copyright notice,
12  *     this list of conditions and the following disclaimer in the documentation
13  *     and/or other materials provided with the distribution.
14  *   * Neither the name of The Linux Foundation nor the names of its
15  *     contributors may be used to endorse or promote products derived from
16  *     this software without specific prior written permission.
17  *
18  *   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
19  *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
20  *   FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE DISCLAIMED.
21  *   IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
22  *   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  *   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24  *   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25  *   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  *   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  *   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
28  *   DAMAGE.
29  *
30  * @file
31  *
32  *   omx_swvdec.h
33  *
34  * @brief
35  *
36  *   OMX software video decoder component header.
37  */
38 
39 #ifndef _OMX_SWVDEC_H_
40 #define _OMX_SWVDEC_H_
41 
42 //#undef NDEBUG // uncomment to enable assertions
43 
44 #include <pthread.h>
45 #include <semaphore.h>
46 
47 #include <linux/msm_ion.h>
48 #include <linux/msm_vidc_dec.h>
49 
50 #include "qc_omx_component.h"
51 
52 #include "omx_swvdec_utils.h"
53 
54 #include "swvdec_types.h"
55 
56 using namespace android;
57 
58 /// OMX SwVdec version date
59 #define OMX_SWVDEC_VERSION_DATE "2016-10-24T17:37:33+0530"
60 
61 #define OMX_SPEC_VERSION 0x00000101 ///< OMX specification version
62 
63 #define OMX_SWVDEC_NUM_INSTANCES 1 ///< number of OMX SwVdec instances
64 
65 #define OMX_SWVDEC_IP_BUFFER_COUNT_MIN 5 ///< OMX SwVdec minimum ip buffer count
66 
67 #define OMX_SWVDEC_MAX_FRAMES_PER_ETB 2 ///< maximum number of frames per ETB
68 
69 /// frame dimensions structure
70 typedef struct {
71     unsigned int width;  ///< frame width
72     unsigned int height; ///< frame height
73 } FRAME_DIMENSIONS;
74 
75 /// frame attributes structure
76 typedef struct {
77     unsigned int stride;    ///< frame stride
78     unsigned int scanlines; ///< frame scanlines
79     unsigned int size;      ///< frame size
80 } FRAME_ATTRIBUTES;
81 
82 /// asynchronous thread structure
83 typedef struct {
84     sem_t     sem_thread_created; ///< thread created semaphore
85     sem_t     sem_event;          ///< event semaphore
86     pthread_t handle;             ///< thread handle
87     bool      created;            ///< thread created?
88     bool      exit;               ///< thread exit variable
89 } ASYNC_THREAD;
90 
91 /// @cond
92 
93 struct vdec_ion {
94     int                        ion_fd_device;
95     struct ion_fd_data         ion_fd_data;
96     struct ion_allocation_data ion_alloc_data;
97 };
98 
99 typedef struct {
100     OMX_BUFFERHEADERTYPE      buffer_header;
101     struct vdec_ion           ion_info;
102     struct vdec_bufferpayload buffer_payload;
103     SWVDEC_BUFFER             buffer_swvdec;
104     bool                      buffer_populated;
105     unsigned int              split_count;
106 } OMX_SWVDEC_BUFFER_INFO;
107 
108 /// @endcond
109 
110 /// port structure
111 typedef struct {
112     OMX_PARAM_PORTDEFINITIONTYPE def;                 ///< definition
113     OMX_BOOL                     enabled;             ///< enabled?
114     OMX_BOOL                     populated;           ///< populated?
115     OMX_BOOL                     unpopulated;         ///< unpopulated?
116     OMX_BOOL                     flush_inprogress;    ///< flush inprogress?
117     unsigned int                 num_pending_buffers; ///< # of pending buffers
118 } OMX_SWVDEC_PORT;
119 
120 /// meta_buffer information structure
121 typedef struct {
122     int fd;        ///< file descriptor
123     int ref_count; ///< reference count
124 } OMX_SWVDEC_META_BUFFER_INFO;
125 
126 #define DEFAULT_FRAME_WIDTH  1920 ///< default frame width
127 #define DEFAULT_FRAME_HEIGHT 1080 ///< default frame height
128 
129 #define MAX(x, y) (((x) > (y)) ? (x) : (y)) ///< maximum
130 #define MIN(x, y) (((x) < (y)) ? (x) : (y)) ///< minimum
131 #define ALIGN(x, y) (((x) + ((y) - 1)) & (~((y) - 1)))
132                                   ///< align 'x' to next highest multiple of 'y'
133 
134 /// macro to print 'command type' string
135 #define OMX_COMMANDTYPE_STRING(x)                                 \
136     ((x == OMX_CommandStateSet) ? "OMX_CommandStateSet" :         \
137      ((x == OMX_CommandFlush) ? "OMX_CommandFlush" :              \
138       ((x == OMX_CommandPortDisable) ? "OMX_CommandPortDisable" : \
139        ((x == OMX_CommandPortEnable) ? "OMX_CommandPortEnable" :  \
140         "unknown"))))
141 
142 /// macro to print 'state type' string
143 #define OMX_STATETYPE_STRING(x)                                            \
144     ((x == OMX_StateInvalid) ? "OMX_StateInvalid" :                        \
145      ((x == OMX_StateLoaded) ? "OMX_StateLoaded" :                         \
146       ((x == OMX_StateIdle) ? "OMX_StateIdle" :                            \
147        ((x == OMX_StateExecuting) ? "OMX_StateExecuting" :                 \
148         ((x == OMX_StatePause) ? "OMX_StatePause" :                        \
149          ((x == OMX_StateWaitForResources) ? "OMX_StateWaitForResources" : \
150           "unknown"))))))
151 
152 enum {
153     OMX_CORE_PORT_INDEX_IP = 0, ///<  input port index
154     OMX_CORE_PORT_INDEX_OP = 1  ///< output port index
155 };
156 
157 extern "C" {
158     OMX_API void *get_omx_component_factory_fn(void);
159 };
160 
161 /// OMX SwVdec component class; derived from QC OMX component base class
162 class omx_swvdec : public qc_omx_component
163 {
164 public:
165 
166     omx_swvdec();
167 
168     virtual ~omx_swvdec();
169 
170     // derived class versions of base class pure virtual functions
171 
172     OMX_ERRORTYPE component_init(OMX_STRING cmp_name);
173     OMX_ERRORTYPE component_deinit(OMX_HANDLETYPE cmp_handle);
174     OMX_ERRORTYPE get_component_version(OMX_HANDLETYPE   cmp_handle,
175                                         OMX_STRING       cmp_name,
176                                         OMX_VERSIONTYPE *p_cmp_version,
177                                         OMX_VERSIONTYPE *p_spec_version,
178                                         OMX_UUIDTYPE    *p_cmp_UUID);
179     OMX_ERRORTYPE send_command(OMX_HANDLETYPE  cmp_handle,
180                                OMX_COMMANDTYPE cmd,
181                                OMX_U32         param,
182                                OMX_PTR         p_cmd_data);
183     OMX_ERRORTYPE get_parameter(OMX_HANDLETYPE cmp_handle,
184                                 OMX_INDEXTYPE  param_index,
185                                 OMX_PTR        p_param_data);
186     OMX_ERRORTYPE set_parameter(OMX_HANDLETYPE cmp_handle,
187                                 OMX_INDEXTYPE  param_index,
188                                 OMX_PTR        p_param_data);
189     OMX_ERRORTYPE get_config(OMX_HANDLETYPE cmp_handle,
190                              OMX_INDEXTYPE  config_index,
191                              OMX_PTR        p_config_data);
192     OMX_ERRORTYPE set_config(OMX_HANDLETYPE cmp_handle,
193                              OMX_INDEXTYPE  config_index,
194                              OMX_PTR        p_config_data);
195     OMX_ERRORTYPE get_extension_index(OMX_HANDLETYPE cmp_handle,
196                                       OMX_STRING     param_name,
197                                       OMX_INDEXTYPE *p_index_type);
198     OMX_ERRORTYPE get_state(OMX_HANDLETYPE cmp_handle,
199                             OMX_STATETYPE *p_state);
200     OMX_ERRORTYPE component_tunnel_request(OMX_HANDLETYPE       cmp_handle,
201                                            OMX_U32              port,
202                                            OMX_HANDLETYPE       peer_component,
203                                            OMX_U32              peer_port,
204                                            OMX_TUNNELSETUPTYPE *p_tunnel_setup);
205     OMX_ERRORTYPE use_buffer(OMX_HANDLETYPE         cmp_handle,
206                              OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
207                              OMX_U32                port,
208                              OMX_PTR                p_app_data,
209                              OMX_U32                bytes,
210                              OMX_U8                *p_buffer);
211     OMX_ERRORTYPE allocate_buffer(OMX_HANDLETYPE         cmp_handle,
212                                   OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
213                                   OMX_U32                port,
214                                   OMX_PTR                p_app_data,
215                                   OMX_U32                bytes);
216     OMX_ERRORTYPE free_buffer(OMX_HANDLETYPE        cmp_handle,
217                               OMX_U32               port,
218                               OMX_BUFFERHEADERTYPE *p_buffer);
219     OMX_ERRORTYPE empty_this_buffer(OMX_HANDLETYPE        cmp_handle,
220                                     OMX_BUFFERHEADERTYPE *p_buffer_hdr);
221     OMX_ERRORTYPE fill_this_buffer(OMX_HANDLETYPE        cmp_handle,
222                                    OMX_BUFFERHEADERTYPE *p_buffer_hdr);
223     OMX_ERRORTYPE set_callbacks(OMX_HANDLETYPE    cmp_handle,
224                                 OMX_CALLBACKTYPE *p_callbacks,
225                                 OMX_PTR           p_app_data);
226     OMX_ERRORTYPE use_EGL_image(OMX_HANDLETYPE         cmp_handle,
227                                 OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
228                                 OMX_U32                port,
229                                 OMX_PTR                p_app_data,
230                                 void                  *egl_image);
231     OMX_ERRORTYPE component_role_enum(OMX_HANDLETYPE cmp_handle,
232                                       OMX_U8        *p_role,
233                                       OMX_U32        index);
234 
235     // SwVdec callback functions
236 
237     static SWVDEC_STATUS swvdec_empty_buffer_done_callback(
238         SWVDEC_HANDLE  swvdec_handle,
239         SWVDEC_BUFFER *p_buffer_ip,
240         void          *p_client_handle);
241     static SWVDEC_STATUS swvdec_fill_buffer_done_callback(
242         SWVDEC_HANDLE  swvdec_handle,
243         SWVDEC_BUFFER *p_buffer_op,
244         void          *p_client_handle);
245     static SWVDEC_STATUS swvdec_event_handler_callback(
246         SWVDEC_HANDLE swvdec_handle,
247         SWVDEC_EVENT  event,
248         void         *p_data,
249         void         *p_client_handle);
250 
251 private:
252 
253     OMX_STATETYPE m_state; ///< component state
254 
255     unsigned int m_status_flags; ///< status flags
256 
257     char m_cmp_name[OMX_MAX_STRINGNAME_SIZE];  ///< component name
258     char m_role_name[OMX_MAX_STRINGNAME_SIZE]; ///< component role name
259 
260     SWVDEC_CODEC  m_swvdec_codec;   ///< SwVdec codec type
261     SWVDEC_HANDLE m_swvdec_handle;  ///< SwVdec handle
262     bool          m_swvdec_created; ///< SwVdec created?
263 
264     OMX_VIDEO_CODINGTYPE m_omx_video_codingtype; ///< OMX video coding type
265     OMX_COLOR_FORMATTYPE m_omx_color_formattype; ///< OMX color format type
266 
267     FRAME_DIMENSIONS m_frame_dimensions; ///< frame dimensions
268     FRAME_ATTRIBUTES m_frame_attributes; ///< frame attributes
269 
270     FRAME_DIMENSIONS m_frame_dimensions_max;
271                                  ///< max frame dimensions for adaptive playback
272 
273     ASYNC_THREAD m_async_thread; ///< asynchronous thread
274 
275     omx_swvdec_queue m_queue_command; ///< command queue
276     omx_swvdec_queue m_queue_port_ip; ///<  input port queue for ETBs & EBDs
277     omx_swvdec_queue m_queue_port_op; ///< output port queue for FTBs & FBDs
278 
279     OMX_SWVDEC_PORT m_port_ip; ///<  input port
280     OMX_SWVDEC_PORT m_port_op; ///< output port
281 
282     OMX_CALLBACKTYPE m_callback; ///< IL client callback structure
283     OMX_PTR          m_app_data; ///< IL client app data pointer
284 
285     OMX_PRIORITYMGMTTYPE m_prio_mgmt; ///< priority management
286 
287     bool m_sync_frame_decoding_mode; ///< sync frame decoding mode enabled?
288     bool m_android_native_buffers;   ///< android native buffers enabled?
289 
290     bool m_meta_buffer_mode_disabled; ///< meta buffer mode disabled?
291     bool m_meta_buffer_mode;          ///< meta buffer mode enabled?
292     bool m_adaptive_playback_mode;    ///< adaptive playback mode enabled?
293     bool m_arbitrary_bytes_mode;      ///< arbitrary bytes mode enabled?
294 
295     bool m_port_reconfig_inprogress; ///< port reconfiguration in progress?
296 
297     bool m_dimensions_update_inprogress; ///< dimensions update in progress?
298 
299     sem_t m_sem_cmd; ///< semaphore for command processing
300 
301     OMX_SWVDEC_BUFFER_INFO *m_buffer_array_ip; ///<  input buffer info array
302     OMX_SWVDEC_BUFFER_INFO *m_buffer_array_op; ///< output buffer info array
303 
304     OMX_SWVDEC_META_BUFFER_INFO *m_meta_buffer_array; ///< metabuffer info array
305     pthread_mutex_t              m_meta_buffer_array_mutex;
306                                             ///< mutex for metabuffer info array
307 
308     std::priority_queue <OMX_TICKS,
309                          std::vector<OMX_TICKS>,
310                          std::greater<OMX_TICKS> > m_queue_timestamp;
311                                                    ///< timestamp priority queue
312 
313     omx_swvdec_diag m_diag; ///< diagnostics class variable
314 
315     OMX_ERRORTYPE set_frame_dimensions(unsigned int width,
316                                        unsigned int height);
317     OMX_ERRORTYPE set_frame_attributes(OMX_COLOR_FORMATTYPE color_format);
318     OMX_ERRORTYPE set_adaptive_playback(unsigned int max_width,
319                                         unsigned int max_height);
320 
321     OMX_ERRORTYPE get_video_port_format(
322         OMX_VIDEO_PARAM_PORTFORMATTYPE *p_port_format);
323     OMX_ERRORTYPE set_video_port_format(
324         OMX_VIDEO_PARAM_PORTFORMATTYPE *p_port_format);
325 
326     OMX_ERRORTYPE get_port_definition(OMX_PARAM_PORTDEFINITIONTYPE *p_port_def);
327     OMX_ERRORTYPE set_port_definition(OMX_PARAM_PORTDEFINITIONTYPE *p_port_def);
328 
329     OMX_ERRORTYPE get_supported_profilelevel(
330         OMX_VIDEO_PARAM_PROFILELEVELTYPE *p_profilelevel);
331 
332     OMX_ERRORTYPE describe_color_format(DescribeColorFormatParams *p_params);
333 
334     OMX_ERRORTYPE set_port_definition_qcom(
335         OMX_QCOM_PARAM_PORTDEFINITIONTYPE *p_port_def);
336 
337     // functions to set SwVdec properties with OMX component properties
338 
339     OMX_ERRORTYPE set_frame_dimensions_swvdec();
340     OMX_ERRORTYPE set_frame_attributes_swvdec();
341     OMX_ERRORTYPE set_adaptive_playback_swvdec();
342 
343     // functions to get SwVdec properties and set OMX component properties
344 
345     OMX_ERRORTYPE get_frame_dimensions_swvdec();
346     OMX_ERRORTYPE get_frame_attributes_swvdec();
347     OMX_ERRORTYPE get_buffer_requirements_swvdec(unsigned int port_index);
348 
349     // buffer allocation & de-allocation functions
350     OMX_ERRORTYPE buffer_allocate_ip(OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
351                                      OMX_PTR                p_app_data,
352                                      OMX_U32                size);
353     OMX_ERRORTYPE buffer_allocate_op(OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
354                                      OMX_PTR                p_app_data,
355                                      OMX_U32                size);
356     OMX_ERRORTYPE buffer_allocate_ip_info_array();
357     OMX_ERRORTYPE buffer_allocate_op_info_array();
358     OMX_ERRORTYPE buffer_use_op(OMX_BUFFERHEADERTYPE **pp_buffer_hdr,
359                                 OMX_PTR                p_app_data,
360                                 OMX_U32                size,
361                                 OMX_U8                *p_buffer);
362     OMX_ERRORTYPE buffer_deallocate_ip(OMX_BUFFERHEADERTYPE *p_buffer_hdr);
363     OMX_ERRORTYPE buffer_deallocate_op(OMX_BUFFERHEADERTYPE *p_buffer_hdr);
364     void          buffer_deallocate_ip_info_array();
365     void          buffer_deallocate_op_info_array();
366 
367     OMX_ERRORTYPE meta_buffer_array_allocate();
368     void          meta_buffer_array_deallocate();
369     void          meta_buffer_ref_add(unsigned int index, int fd);
370     void          meta_buffer_ref_remove(unsigned int index);
371 
372     OMX_BOOL port_ip_populated();
373     OMX_BOOL port_op_populated();
374 
375     OMX_ERRORTYPE flush(unsigned int port_index);
376 
377     int  ion_memory_alloc_map(struct ion_allocation_data *p_alloc_data,
378                               struct ion_fd_data         *p_fd_data,
379                               OMX_U32                     size,
380                               OMX_U32                     alignment);
381     void ion_memory_free(struct vdec_ion *p_ion_buf_info);
382     void ion_flush_op(unsigned int index);
383 
384     // component callback functions
385 
386     void swvdec_empty_buffer_done(SWVDEC_BUFFER *p_buffer_ip);
387     void swvdec_fill_buffer_done(SWVDEC_BUFFER *p_buffer_op);
388     void swvdec_event_handler(SWVDEC_EVENT event, void *p_data);
389 
390     OMX_ERRORTYPE retval_swvdec2omx(SWVDEC_STATUS retval_swvdec);
391 
392     // status bits for pending events
393     enum {
394         PENDING_STATE_LOADED_TO_IDLE,    ///< loaded to idle state
395         PENDING_STATE_EXECUTING_TO_IDLE, ///< executing to idle state
396         PENDING_STATE_IDLE_TO_LOADED,    ///< idle to loaded state
397         PENDING_PORT_ENABLE_IP,          ///< enablement of ip port
398         PENDING_PORT_ENABLE_OP,          ///< enablement of op port
399         PENDING_PORT_DISABLE_IP,         ///< disablement of ip port
400         PENDING_PORT_DISABLE_OP,         ///< disablement of op port
401         PENDING_PORT_FLUSH_IP,           ///< flush of ip port
402         PENDING_PORT_FLUSH_OP            ///< flush of op port
403     };
404 
405     // events raised internally
406     enum {
407         OMX_SWVDEC_EVENT_CMD,               ///< command event
408         OMX_SWVDEC_EVENT_CMD_ACK,           ///< command acknowledgement
409         OMX_SWVDEC_EVENT_ERROR,             ///< error event
410         OMX_SWVDEC_EVENT_ETB,               ///< ETB event
411         OMX_SWVDEC_EVENT_EBD,               ///< EBD event
412         OMX_SWVDEC_EVENT_FTB,               ///< FTB event
413         OMX_SWVDEC_EVENT_FBD,               ///< FBD event
414         OMX_SWVDEC_EVENT_EOS,               ///< EOS event
415         OMX_SWVDEC_EVENT_FLUSH_PORT_IP,     ///< flush ip port event
416         OMX_SWVDEC_EVENT_FLUSH_PORT_OP,     ///< flush op port event
417         OMX_SWVDEC_EVENT_PORT_RECONFIG,     ///< port reconfig event
418         OMX_SWVDEC_EVENT_DIMENSIONS_UPDATED ///< dimensions updated event
419     };
420 
421     OMX_ERRORTYPE async_thread_create();
422     void          async_thread_destroy();
423 
424     static void   async_thread(void *p_cmp);
425 
426     void          async_post_event(unsigned long event_id,
427                                    unsigned long event_param1,
428                                    unsigned long event_param2);
429 
430     static void   async_process_event(void *p_cmp);
431 
432     OMX_ERRORTYPE async_process_event_cmd(OMX_COMMANDTYPE cmd, OMX_U32 param);
433     OMX_ERRORTYPE async_process_event_cmd_ack(OMX_COMMANDTYPE cmd,
434                                               OMX_U32         param);
435     OMX_ERRORTYPE async_process_event_error(OMX_ERRORTYPE error_code);
436     OMX_ERRORTYPE async_process_event_cmd_state_set(bool         *p_cmd_ack,
437                                                     OMX_STATETYPE state_new);
438     OMX_ERRORTYPE async_process_event_cmd_flush(unsigned int port_index);
439     OMX_ERRORTYPE async_process_event_cmd_port_disable(
440         bool         *p_cmd_ack,
441         unsigned int  port_index);
442     OMX_ERRORTYPE async_process_event_cmd_port_enable(bool        *p_cmd_ack,
443                                                       unsigned int port_index);
444     OMX_ERRORTYPE async_process_event_etb(OMX_BUFFERHEADERTYPE *p_buffer_hdr,
445                                           unsigned int          index);
446     OMX_ERRORTYPE async_process_event_ftb(OMX_BUFFERHEADERTYPE *p_buffer_hdr,
447                                           unsigned int          index);
448     OMX_ERRORTYPE async_process_event_ebd(OMX_BUFFERHEADERTYPE *p_buffer_hdr,
449                                           unsigned int          index);
450     OMX_ERRORTYPE async_process_event_fbd(OMX_BUFFERHEADERTYPE *p_buffer_hdr,
451                                           unsigned int          index);
452     OMX_ERRORTYPE async_process_event_eos();
453     OMX_ERRORTYPE async_process_event_flush_port_ip();
454     OMX_ERRORTYPE async_process_event_flush_port_op();
455     OMX_ERRORTYPE async_process_event_port_reconfig();
456     OMX_ERRORTYPE async_process_event_dimensions_updated();
457 };
458 
459 #endif // #ifndef _OMX_SWVDEC_H_
460