qcc30xx/51xx 利用splitter capability实现音频双输出

365894126

可以实现I2S和模拟同时输出。

apps\libs\audio_mixer\audio_mixer.c:

1. static void mixerHardwareConnect(connection_type_t connection_type)
   
2. {
   
3. ….
   
4. 
   
5. -hw_connect_data.aux_left = NULL;
   
6. -hw_connect_data.aux_right = NULL;
   
7. +hw_connect_data.aux_left = ChainGetOutput(mixerSpeakerGetChain(), path_role_aux_left);;
   
8. +hw_connect_data.aux_right = ChainGetOutput(mixerSpeakerGetChain(), path_role_aux_right);;
   
9. AudioHardwareConnectOutput(&hw_connect_data);
   
10. }

复制代码

apps\libs\audio_mixer\audio_mixer_channel_roles.h:

1. typedef enum
   
2. {
   
3. mixer_left_channel,
   
4. mixer_right_channel,
   
5. +path_role_aux_left,
   
6. +path_role_aux_right,
   
7. mixer_secondary_left_channel,
   
8. …
   
9. } audio_mixer_channel_role_t;

复制代码

apps\libs\audio_mixer\audio_mixer_speaker.c:

1. static void mixerSpeakerConfigureChain(unsigned output_sample_rate)
   
2. {
   
3. Operator speaker_peq_op;
   
4. +Operator output_splitter_op;
   
5. …
   
6. crossover_op = ChainGetOperatorByRole(speaker_data.chain, crossover_role);
   
7. if (crossover_op)
   
8. {
   
9. OperatorsStandardSetUCID(crossover_op,
   
10. mixerSpeakerGetCrossoverUcid(speaker_data.mode));
    
11. }
    
12. +output_splitter_op = ChainGetOperatorByRole(speaker_data.chain, output_splitter_role);
    
13. +if (output_splitter_op)
    
14. +{
    
15. 
    
16. +}

复制代码

apps\libs\audio_mixer\audio_mixer_speaker_chain_configs.c:

1. #define MAKE_SPEAKER_OPS_COMMON() \
   
2. MAKE_OPERATOR_CONFIG(capability_id_volume, media_volume_role), \
   
3. MAKE_OPERATOR_CONFIG(capability_id_peq, speaker_peq_role), \
   
4. +MAKE_OPERATOR_CONFIG(capability_id_splitter, output_splitter_role), \
   
5. MAKE_OPERATOR_CONFIG(capability_id_passthrough, post_processing_role)
   
6. static const operator_path_node_t left_primary_left[] =
   
7. {
   
8. {media_volume_role, VOLUME_INPUT_MAIN1, VOLUME_OUTPUT1},
   
9. {speaker_peq_role, LEFT_INPUT, LEFT_OUTPUT},
   
10. +{output_splitter_role, PRIMARY_LEFT_INPUT, PRIMARY_LEFT_OUTPUT},
    
11. {post_processing_role, PRIMARY_LEFT_INPUT, PRIMARY_LEFT_OUTPUT}
    
12. };
    
13. static const operator_path_node_t right_primary_right[] =
    
14. {
    
15. {media_volume_role, VOLUME_INPUT_MAIN2, VOLUME_OUTPUT2},
    
16. {speaker_peq_role, RIGHT_INPUT, RIGHT_OUTPUT},
    
17. +{output_splitter_role, PRIMARY_RIGHT_INPUT, PRIMARY_RIGHT_OUTPUT},
    
18. {post_processing_role, PRIMARY_RIGHT_INPUT, PRIMARY_RIGHT_OUTPUT}
    
19. };
    
20. +static const operator_path_node_t path_aux_left[] =
    
21. +{
    
22. +{output_splitter_role, UNUSED_TERMINAL, SECONDARY_LEFT_OUTPUT},
    
23. +{post_processing_role, SECONDARY_LEFT_OUTPUT, SECONDARY_LEFT_OUTPUT}
    
24. +};
    
25. +static const operator_path_node_t path_aux_right[] =
    
26. +{
    
27. +{output_splitter_role, UNUSED_TERMINAL, SECONDARY_RIGHT_OUTPUT},
    
28. +{post_processing_role, SECONDARY_RIGHT_OUTPUT, SECONDARY_RIGHT_OUTPUT}
    
29. +};
    
30. static const operator_path_t paths_mono[] =
    
31. {
    
32. {mixer_left_channel, path_with_in_and_out,
    
33. ARRAY_DIM((left_primary_left)), left_primary_left},
    
34. {mixer_prompt_left_channel, path_with_input, ARRAY_DIM((prompt_mix)), prompt_mix},
    
35. +{path_role_aux_left, path_with_output, ARRAY_DIM((path_aux_left)), path_aux_left}
    
36. };
    
37. static const operator_path_t paths_stereo[] =
    
38. {
    
39. {mixer_left_channel, path_with_in_and_out,
    
40. ARRAY_DIM((left_primary_left)), left_primary_left},
    
41. {mixer_right_channel, path_with_in_and_out, ARRAY_DIM((right_primary_right)),
    
42. right_primary_right},
    
43. {mixer_prompt_left_channel, path_with_input, ARRAY_DIM((prompt_mix)), prompt_mix},
    
44. +{path_role_aux_left, path_with_output, ARRAY_DIM((path_aux_left)), path_aux_left},
    
45. +{path_role_aux_right, path_with_output, ARRAY_DIM((path_aux_right)), path_aux_right}
    
46. };

复制代码

apps\libs\audio_mixer\audio_mixer_speaker_chain_configs.h:

1. typedef enum _audio_mixer_speaker_roles
   
2. {
   
3. +output_splitter_role,
   
4. media_volume_role,
   
5. speaker_peq_role,
   
6. stereo_to_mono_role,
   
7. crossover_role,
   
8. master_volume_role,
   
9. compander_role,
   
10. post_processing_role
    
11. } audio_mixer_speaker_roles_t;

复制代码

levalmok

技术大牛!

yaoziqiang

非常不错，赞

天中雨水

双输入、双输出，可以吗？

jjr

adk6.4.2.26按照这个方法会panic

moyanming2013

学习了