mirror of
https://github.com/tuxbox-neutrino/libstb-hal.git
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510b655710
* remove ilclient * use a decoder implementation similar to pidvbip instead, see https://github.com/linuxstb/pidvbip * video is decoded in hardware (videocore) * audio is decoded by libavcodec * add a AVDec wrapper class for both audio and video decoders * very raw, needs more polishing. But decodes audio and video :-) * only tested with h264
125 lines
4.5 KiB
C
125 lines
4.5 KiB
C
/*
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* this code is originally from
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* pidvbip - tvheadend client for the Raspberry Pi
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* (C) Dave Chapman 2012-2013
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*
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* adaption for libstb-hal
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* (C) Stefan Seyfried 2013
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* omx_utils.h -- OMX helper functions for the Raspberry Pi
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*/
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#ifndef __OMX_UTILS_H
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#define __OMX_UTILS_H
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#include <IL/OMX_Broadcom.h>
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#include <interface/vcos/vcos.h>
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#define OMX_MIN(a,b) (((a) < (b)) ? (a) : (b))
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/* Macro borrowed from omxtx */
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#define OERR(cmd) do { \
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OMX_ERRORTYPE oerr = cmd; \
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if (oerr != OMX_ErrorNone) { \
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fprintf(stderr, #cmd " failed on line %d: %x\n", __LINE__, oerr); \
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exit(1); \
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} \
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} while (0)
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/* Macro borrowed from omxplayer */
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#define OMX_INIT_STRUCTURE(a) \
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memset(&(a), 0, sizeof(a)); \
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(a).nSize = sizeof(a); \
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(a).nVersion.s.nVersionMajor = OMX_VERSION_MAJOR; \
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(a).nVersion.s.nVersionMinor = OMX_VERSION_MINOR; \
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(a).nVersion.s.nRevision = OMX_VERSION_REVISION; \
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(a).nVersion.s.nStep = OMX_VERSION_STEP
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struct omx_cmd_t
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{
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OMX_HANDLETYPE *hComponent;
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OMX_COMMANDTYPE Cmd;
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OMX_U32 nParam;
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OMX_PTR pCmdData;
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};
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struct omx_component_t
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{
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OMX_HANDLETYPE h;
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OMX_CALLBACKTYPE callbacks;
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char* name;
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/* Variables for handling asynchronous commands */
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struct omx_cmd_t cmd;
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pthread_mutex_t cmd_queue_mutex;
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pthread_cond_t cmd_queue_count_cv;
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/* Pointer to parent pipeline */
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struct omx_pipeline_t* pipe;
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OMX_BUFFERHEADERTYPE *buffers;
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int port_settings_changed;
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int config_changed;
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int aspect; /* Last aspect ratio reported from video_render MarkEvent callback */
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pthread_mutex_t buf_mutex;
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int buf_notempty;
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pthread_cond_t buf_notempty_cv;
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pthread_mutex_t eos_mutex;
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int eos;
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pthread_cond_t eos_cv;
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};
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struct omx_pipeline_t
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{
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struct omx_component_t video_decode;
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struct omx_component_t video_scheduler;
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struct omx_component_t video_render;
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struct omx_component_t audio_render;
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struct omx_component_t clock;
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struct omx_component_t image_fx; /* For deinterlacing */
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struct omx_component_t camera;
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int do_deinterlace;
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pthread_mutex_t omx_active_mutex;
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int omx_active;
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pthread_cond_t omx_active_cv;
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double channel_switch_starttime;
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};
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OMX_ERRORTYPE omx_init_component(struct omx_pipeline_t* pipe, struct omx_component_t* component, char* compname);
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OMX_ERRORTYPE omx_setup_pipeline(struct omx_pipeline_t* pipe, OMX_VIDEO_CODINGTYPE video_codec, char* audio_dest, int is_hd);
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void omx_teardown_pipeline(struct omx_pipeline_t* pipe);
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OMX_BUFFERHEADERTYPE *get_next_buffer(struct omx_component_t* component);
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OMX_ERRORTYPE omx_flush_tunnel(struct omx_component_t* source, int source_port, struct omx_component_t* sink, int sink_port);
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void omx_free_buffers(struct omx_component_t *component, int port);
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OMX_ERRORTYPE omx_send_command_and_wait(struct omx_component_t* component, OMX_COMMANDTYPE Cmd, OMX_U32 nParam, OMX_PTR pCmdData);
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OMX_ERRORTYPE omx_send_command_and_wait0(struct omx_component_t* component, OMX_COMMANDTYPE Cmd, OMX_U32 nParam, OMX_PTR pCmdData);
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OMX_ERRORTYPE omx_send_command_and_wait1(struct omx_component_t* component, OMX_COMMANDTYPE Cmd, OMX_U32 nParam, OMX_PTR pCmdData);
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void omx_clock_set_speed(struct omx_component_t *clock, int v);
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void summarise_buffers(OMX_BUFFERHEADERTYPE *buffers);
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int omx_get_free_buffer_count(struct omx_component_t* component);
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void omx_alloc_buffers(struct omx_component_t *component, int port);
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OMX_TICKS pts_to_omx(uint64_t pts);
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void omx_set_display_region(struct omx_pipeline_t* pipe, int x, int y, int width, int height);
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void omx_audio_volume(struct omx_component_t* audio_render, long volume);
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#endif
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