Mercurial > hg > svcore

comparison data/model/DenseTimeValueModel.h @ 1096:4d9816ba0ebe simple-fft-model

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Rework audio file reader API to prefer using std containers
author Chris Cannam
date Mon, 15 Jun 2015 12:19:47 +0100
parents 9f4505ac9072
children 54af1e21705c
comparison
equal deleted inserted replaced
1095:b66734b5f806 1096:4d9816ba0ebe
55 */ 55 */
56 virtual int getChannelCount() const = 0; 56 virtual int getChannelCount() const = 0;
57 57
58 /** 58 /**
59 * Get the specified set of samples from the given channel of the 59 * Get the specified set of samples from the given channel of the
60 * model in single-precision floating-point format. Return the 60 * model in single-precision floating-point format. Returned
61 * number of samples actually retrieved. 61 * vector may have fewer samples than requested, if the end of
62 * file was reached.
63 *
62 * If the channel is given as -1, mix all available channels and 64 * If the channel is given as -1, mix all available channels and
63 * return the result. 65 * return the result.
64 */ 66 */
65 virtual sv_frame_t getData(int channel, sv_frame_t start, sv_frame_t count, 67 virtual std::vector<float> getData(int channel, sv_frame_t start, sv_frame_t count) const = 0;
66 float *buffer) const = 0;
67 68
68 /** 69 /**
69 * Get the specified set of samples from given contiguous range 70 * Get the specified set of samples from given contiguous range of
70 * of channels of the model in single-precision floating-point 71 * channels of the model in single-precision floating-point
71 * format. Return the number of sample frames actually retrieved. 72 * format. Returned vector may have fewer samples than requested,
73 * if the end of file was reached.
72 */ 74 */
73 virtual sv_frame_t getMultiChannelData(int fromchannel, int tochannel, 75 virtual std::vector<std::vector<float>> getMultiChannelData(int fromchannel, int tochannel, sv_frame_t start, sv_frame_t count) const = 0;
74 sv_frame_t start, sv_frame_t count,
75 float **buffers) const = 0;
76 76
77 virtual bool canPlay() const { return true; } 77 virtual bool canPlay() const { return true; }
78 virtual QString getDefaultPlayClipId() const { return ""; } 78 virtual QString getDefaultPlayClipId() const { return ""; }
79 79
80 virtual QString toDelimitedDataStringSubset(QString delimiter, sv_frame_t f0, sv_frame_t f1) const; 80 virtual QString toDelimitedDataStringSubset(QString delimiter, sv_frame_t f0, sv_frame_t f1) const;