diff options
Diffstat (limited to 'src/lib/ffmpeg-0.10/libavutil/samplefmt.pas')
| -rw-r--r-- | src/lib/ffmpeg-0.10/libavutil/samplefmt.pas | 93 |
1 files changed, 64 insertions, 29 deletions
diff --git a/src/lib/ffmpeg-0.10/libavutil/samplefmt.pas b/src/lib/ffmpeg-0.10/libavutil/samplefmt.pas index 3335fa2d..1ba6c5a6 100644 --- a/src/lib/ffmpeg-0.10/libavutil/samplefmt.pas +++ b/src/lib/ffmpeg-0.10/libavutil/samplefmt.pas @@ -19,7 +19,7 @@ * This is a part of the Pascal port of ffmpeg. * * Conversion of libavutil/samplefmt.h - * avutil version 50.43.0 + * avutil version 51.34.101 * *) @@ -34,6 +34,13 @@ type AV_SAMPLE_FMT_S32, ///< signed 32 bits AV_SAMPLE_FMT_FLT, ///< float AV_SAMPLE_FMT_DBL, ///< double + + AV_SAMPLE_FMT_U8P, ///< unsigned 8 bits, planar + AV_SAMPLE_FMT_S16P, ///< signed 16 bits, planar + AV_SAMPLE_FMT_S32P, ///< signed 32 bits, planar + AV_SAMPLE_FMT_FLTP, ///< float, planar + AV_SAMPLE_FMT_DBLP, ///< double, planar + AV_SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if linking dynamically ); TAVSampleFormatArray = array [0 .. MaxInt div SizeOf(TAVSampleFormat) - 1] of TAVSampleFormat; @@ -54,6 +61,15 @@ function av_get_sample_fmt(name: {const} PAnsiChar): TAVSampleFormat; cdecl; external av__util; (** + * Return the planar<->packed alternative form of the given sample format, or + * AV_SAMPLE_FMT_NONE on error. If the passed sample_fmt is already in the + * requested planar/packed format, the format returned is the same as the + * input. + *) +function av_get_alt_sample_fmt(sample_fmt: TAVSampleFormat; planar: cint): TAVSampleFormat; + cdecl; external av__util; + +(** * Generate a string corresponding to the sample format with * sample_fmt, or a header if sample_fmt is negative. * @@ -91,48 +107,67 @@ type OctArrayOfcint = array[0..7] of cint; (** + * Check if the sample format is planar. + * + * @param sample_fmt the sample format to inspect + * @return 1 if the sample format is planar, 0 if it is interleaved + *) +function av_sample_fmt_is_planar(sample_fmt: TAVSampleFormat): cint; + cdecl; external av__util; + +(** + * Get the required buffer size for the given audio parameters. + * + * @param[out] linesize calculated linesize, may be NULL + * @param nb_channels the number of channels + * @param nb_samples the number of samples in a single channel + * @param sample_fmt the sample format + * @return required buffer size, or negative error code on failure + *) +function av_samples_get_buffer_size(linesize: Pcint; nb_channels: cint; nb_samples: cint; + sample_fmt: TAVSampleFormat; align: cint): cint; + cdecl; external av__util; + +(** * Fill channel data pointers and linesizes for samples with sample * format sample_fmt. * * The pointers array is filled with the pointers to the samples data: - * for planar, set the start point of each plane's data within the buffer, + * for planar, set the start point of each channel's data within the buffer, * for packed, set the start point of the entire buffer only. * - * The linesize array is filled with the aligned size of each samples - * plane, that is linesize[i] will contain the linesize of the plane i, - * and will be zero for all the unused planes. All linesize values are - * equal. + * The linesize array is filled with the aligned size of each channel's data + * buffer for planar layout, or the aligned size of the buffer for all channels + * for packed layout. * - * @param pointers array to be filled with the pointer for each plane, may be NULL - * @param linesizes array to be filled with the linesize, may be NULL - * @param buf the pointer to a buffer containing the samples - * @param nb_samples the number of samples in a single channel - * @param planar 1 if the samples layout is planar, 0 if it is packed - * @param nb_channels the number of channels - * @return the total size of the buffer, a negative - * error code in case of failure + * @param[out] audio_data array to be filled with the pointer for each channel + * @param[out] linesize calculated linesize + * @param buf the pointer to a buffer containing the samples + * @param nb_channels the number of channels + * @param nb_samples the number of samples in a single channel + * @param sample_fmt the sample format + * @param align buffer size alignment (1 = no alignment required) + * @return 0 on success or a negative error code on failure *) -function av_samples_fill_arrays(pointers: OctArrayOfPcuint8; linesizes: OctArrayOfcint; +function av_samples_fill_arrays(audio_data: pointer; linesize: Pcint; buf: Pcuint8; nb_channels: cint; nb_samples: cint; - sample_fmt: TAVSampleFormat; planar: cint; align: cint): cint; + sample_fmt: TAVSampleFormat; align: cint): cint; cdecl; external av__util; (** - * Allocate a samples buffer for nb_samples samples, and - * fill pointers and linesizes accordingly. - * The allocated samples buffer has to be freed by using - * av_freep(&pointers[0]). + * Allocate a samples buffer for nb_samples samples, and fill data pointers and + * linesize accordingly. + * The allocated samples buffer can be freed by using av_freep(&audio_data[0]) * - * @param nb_channels number of audio channels - * @param nb_samples number of samples per channel - * @param planar 1 if the samples layout is planar, 0 if packed, - * @param align the value to use for buffer size alignment - * @return the size in bytes required for the samples buffer, a negative - * error code in case of failure + * @param[out] audio_data array to be filled with the pointer for each channel + * @param[out] linesize aligned size for audio buffer(s) + * @param nb_channels number of audio channels + * @param nb_samples number of samples per channel + * @param align buffer size alignment (1 = no alignment required) + * @return 0 on success or a negative error code on failure * @see av_samples_fill_arrays() *) -function av_samples_alloc(pointers: OctArrayOfPcuint8; linesizes: OctArrayOfcint; +function av_samples_alloc(audio_data: pointer; linesize: Pcint; nb_channels: cint; nb_channels: cint; nb_samples: cint; - sample_fmt: TAVSampleFormat; planar: cint; - align: cint): cint; + sample_fmt: TAVSampleFormat; align: cint): cint; cdecl; external av__util; |