adding ffmpeg specific version

1 files changed, 49 insertions, 0 deletions

diff --git a/ffmpeg1/libavresample/arm/audio_convert_init.c b/ffmpeg1/libavresample/arm/audio_convert_init.c
new file mode 100644
index 0000000..3d19a0e
--- /dev/null
+++ b/ffmpeg1/libavresample/arm/audio_convert_init.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "config.h"
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/arm/cpu.h"
+#include "libavutil/samplefmt.h"
+#include "libavresample/audio_convert.h"
+
+void ff_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len);
+void ff_conv_fltp_to_s16_neon(int16_t *dst, float *const *src,
+                              int len, int channels);
+void ff_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src,
+                                  int len, int channels);
+
+av_cold void ff_audio_convert_init_arm(AudioConvert *ac)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (have_neon(cpu_flags)) {
+        ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT,
+                                  0, 16, 8, "NEON",
+                                  ff_conv_flt_to_s16_neon);
+        ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
+                                  0, 16, 8, "NEON",
+                                  ff_conv_fltp_to_s16_neon);
+        ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
+                                  2, 16, 8, "NEON",
+                                  ff_conv_fltp_to_s16_2ch_neon);
+    }
+}