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renderer/decoder: simplified audio PCM transcode

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Turned the two-step PCM transcode into one step and simplified/removed much of
the unnecessary infrastructure that supported it. This makes the code cleaner
and generally improves the code paths.
This commit is contained in:
itsmattkc
2020-05-03 16:07:10 +10:00
parent a925476c3f
commit e4c3b6bf7b
28 changed files with 275 additions and 763 deletions
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app/codec/decoder.h
+10 -20
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@@ -117,11 +117,6 @@ public:
*/
virtual bool Open() = 0;
/**
* @brief Determine whether the Decoder is able to retrieve data
*/
virtual RetrieveState GetRetrieveState(const rational& time) = 0;
/**
* @brief Retrieve video frame
*
@@ -216,7 +211,15 @@ public:
static DecoderPtr CreateFromID(const QString& id);
/**
* @brief AUDIO ONLY: Conform an audio stream to match certain parameters
* @brief VIDEO ONLY: Produce a compressed EXR proxy with the specified divider
*/
virtual bool ProxyVideo(const QAtomicInt* cancelled, int divider);
/**
* @brief AUDIO ONLY: Produces a complete PCM extraction of the audio stream
*
* Internally, our render engine only deals with PCM since it provides the least headaches and
* modern computers have the processing power to do it.
*
* Resamples and converts the currently open audio to match the params. If the audio doesn't need
* conforming (e.g. audio params already match or a conformed match already exists), this function
@@ -226,20 +229,7 @@ public:
* All audio decoders must override this. It's not pure since video decoders don't need to use
* this, but default behavior will abort since it should never be called.
*/
void Conform(const AudioRenderingParams& params, const QAtomicInt* cancelled);
/**
* @brief VIDEO ONLY: Produce a compressed EXR proxy with the specified divider
*/
virtual void ProxyVideo(const QAtomicInt* cancelled, int divider);
/**
* @brief AUDIO ONLY: Produces a complete PCM extraction of the audio stream
*
* Internally, our render engine only deals with PCM since it provides the least headaches and
* modern computers have the processing power to do it.
*/
virtual void ProxyAudio(const QAtomicInt* cancelled);
virtual bool ConformAudio(const QAtomicInt* cancelled, const AudioRenderingParams &params);
/**
* @brief AUDIO ONLY: Returns whether a transcode of this audio matching the specified params