lavc: add Intel libmfx-based MPEG2 decoder.

[ffmpeg] / libavcodec / fmtconvert.h

diff --git a/libavcodec/fmtconvert.h b/libavcodec/fmtconvert.h
index 1b534019f1b8ada51c45b004a32f448dfcdd3381..7de890bd6ab646a5c6cdcbc8e25fd6809cf65cdf 100644 (file)
--- a/libavcodec/fmtconvert.h
+++ b/libavcodec/fmtconvert.h
@@ -35,62 +35,31 @@ typedef struct FmtConvertContext {
      * @param len number of elements to convert.
      *            constraints: multiple of 8
      */
-    void (*int32_to_float_fmul_scalar)(float *dst, const int *src, float mul, int len);
+    void (*int32_to_float_fmul_scalar)(float *dst, const int32_t *src,
+                                       float mul, int len);
 
     /**
-     * Convert an array of float to an array of int16_t.
-     *
-     * Convert floats from in the range [-32768.0,32767.0] to ints
-     * without rescaling
-     *
-     * @param dst destination array of int16_t.
-     *            constraints: 16-byte aligned
-     * @param src source array of float.
-     *            constraints: 16-byte aligned
-     * @param len number of elements to convert.
-     *            constraints: multiple of 8
-     */
-    void (*float_to_int16)(int16_t *dst, const float *src, long len);
-
-    /**
-     * Convert multiple arrays of float to an interleaved array of int16_t.
-     *
-     * Convert floats from in the range [-32768.0,32767.0] to ints
-     * without rescaling
-     *
-     * @param dst destination array of interleaved int16_t.
+     * Convert an array of int32_t to float and multiply by a float value from another array,
+     * stepping along the float array once for each 8 integers.
+     * @param c   pointer to FmtConvertContext.
+     * @param dst destination array of float.
      *            constraints: 16-byte aligned
-     * @param src source array of float arrays, one for each channel.
+     * @param src source array of int32_t.
      *            constraints: 16-byte aligned
+     * @param mul source array of float multipliers.
      * @param len number of elements to convert.
      *            constraints: multiple of 8
-     * @param channels number of channels
      */
-    void (*float_to_int16_interleave)(int16_t *dst, const float **src,
-                                      long len, int channels);
+    void (*int32_to_float_fmul_array8)(struct FmtConvertContext *c,
+                                       float *dst, const int32_t *src,
+                                       const float *mul, int len);
 
-    /**
-     * Convert multiple arrays of float to an array of interleaved float.
-     *
-     * @param dst destination array of interleaved float.
-     *            constraints: 16-byte aligned
-     * @param src source array of float arrays, one for each channel.
-     *            constraints: 16-byte aligned
-     * @param len number of elements to convert.
-     *            constraints: multiple of 8
-     * @param channels number of channels
-     */
-    void (*float_interleave)(float *dst, const float **src, unsigned int len,
-                             int channels);
 } FmtConvertContext;
 
-void ff_float_interleave_c(float *dst, const float **src, unsigned int len,
-                           int channels);
-
 void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx);
 
 void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx);
-void ff_fmt_convert_init_altivec(FmtConvertContext *c, AVCodecContext *avctx);
+void ff_fmt_convert_init_ppc(FmtConvertContext *c, AVCodecContext *avctx);
 void ff_fmt_convert_init_x86(FmtConvertContext *c, AVCodecContext *avctx);
 
 #endif /* AVCODEC_FMTCONVERT_H */