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Add support for retrieving the cursor and length in seconds.

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This has been added for `ma_data_source` and `ma_sound`.

Public issue https://github.com/mackron/miniaudio/issues/411
This commit is contained in:
David Reid
2022-01-19 19:41:53 +10:00
parent f769b18157
commit 252de0f0ad
1 changed files with 86 additions and 0 deletions
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miniaudio.h
+86
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@@ -9305,6 +9305,8 @@ MA_API ma_result ma_data_source_seek_to_pcm_frame(ma_data_source* pDataSource, m
MA_API ma_result ma_data_source_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_data_source_get_cursor_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pCursor);
MA_API ma_result ma_data_source_get_length_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pLength); /* Returns MA_NOT_IMPLEMENTED if the length is unknown or cannot be determined. Decoders can return this. */
MA_API ma_result ma_data_source_get_cursor_in_seconds(ma_data_source* pDataSource, float* pCursor);
MA_API ma_result ma_data_source_get_length_in_seconds(ma_data_source* pDataSource, float* pLength);
MA_API ma_result ma_data_source_set_looping(ma_data_source* pDataSource, ma_bool32 isLooping);
MA_API ma_bool32 ma_data_source_is_looping(ma_data_source* pDataSource);
MA_API ma_result ma_data_source_set_range_in_pcm_frames(ma_data_source* pDataSource, ma_uint64 rangeBegInFrames, ma_uint64 rangeEndInFrames);
@@ -10925,6 +10927,8 @@ MA_API ma_result ma_sound_seek_to_pcm_frame(ma_sound* pSound, ma_uint64 frameInd
MA_API ma_result ma_sound_get_data_format(ma_sound* pSound, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_sound_get_cursor_in_pcm_frames(ma_sound* pSound, ma_uint64* pCursor);
MA_API ma_result ma_sound_get_length_in_pcm_frames(ma_sound* pSound, ma_uint64* pLength);
MA_API ma_result ma_sound_get_cursor_in_seconds(ma_sound* pSound, float* pCursor);
MA_API ma_result ma_sound_get_length_in_seconds(ma_sound* pSound, float* pLength);
MA_API ma_result ma_sound_group_init(ma_engine* pEngine, ma_uint32 flags, ma_sound_group* pParentGroup, ma_sound_group* pGroup);
MA_API ma_result ma_sound_group_init_ex(ma_engine* pEngine, const ma_sound_group_config* pConfig, ma_sound_group* pGroup);
@@ -54777,6 +54781,60 @@ MA_API ma_result ma_data_source_get_length_in_pcm_frames(ma_data_source* pDataSo
return pDataSourceBase->vtable->onGetLength(pDataSource, pLength);
}
MA_API ma_result ma_data_source_get_cursor_in_seconds(ma_data_source* pDataSource, float* pCursor)
{
ma_result result;
ma_uint64 cursorInPCMFrames;
ma_uint32 sampleRate;
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
result = ma_data_source_get_cursor_in_pcm_frames(pDataSource, &cursorInPCMFrames);
if (result != MA_SUCCESS) {
return result;
}
result = ma_data_source_get_data_format(pDataSource, NULL, NULL, &sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
*pCursor = cursorInPCMFrames / (float)sampleRate;
return MA_SUCCESS;
}
MA_API ma_result ma_data_source_get_length_in_seconds(ma_data_source* pDataSource, float* pLength)
{
ma_result result;
ma_uint64 lengthInPCMFrames;
ma_uint32 sampleRate;
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
result = ma_data_source_get_length_in_pcm_frames(pDataSource, &lengthInPCMFrames);
if (result != MA_SUCCESS) {
return result;
}
result = ma_data_source_get_data_format(pDataSource, NULL, NULL, &sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
*pLength = lengthInPCMFrames / (float)sampleRate;
return MA_SUCCESS;
}
MA_API ma_result ma_data_source_set_looping(ma_data_source* pDataSource, ma_bool32 isLooping)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
@@ -73075,6 +73133,34 @@ MA_API ma_result ma_sound_get_length_in_pcm_frames(ma_sound* pSound, ma_uint64*
return ma_data_source_get_length_in_pcm_frames(pSound->pDataSource, pLength);
}
MA_API ma_result ma_sound_get_cursor_in_seconds(ma_sound* pSound, float* pCursor)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
/* The notion of a cursor is only valid for sounds that are backed by a data source. */
if (pSound->pDataSource == NULL) {
return MA_INVALID_OPERATION;
}
return ma_data_source_get_cursor_in_seconds(pSound->pDataSource, pCursor);
}
MA_API ma_result ma_sound_get_length_in_seconds(ma_sound* pSound, float* pLength)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
/* The notion of a sound length is only valid for sounds that are backed by a data source. */
if (pSound->pDataSource == NULL) {
return MA_INVALID_OPERATION;
}
return ma_data_source_get_length_in_seconds(pSound->pDataSource, pLength);
}
MA_API ma_result ma_sound_group_init(ma_engine* pEngine, ma_uint32 flags, ma_sound_group* pParentGroup, ma_sound_group* pGroup)
{