mpegaudiodec: Consistently handle fixed/float templating
authorDiego Biurrun <diego@biurrun.de>
Tue, 19 Nov 2013 20:47:39 +0000 (21:47 +0100)
committerDiego Biurrun <diego@biurrun.de>
Sat, 23 Nov 2013 20:36:49 +0000 (21:36 +0100)
libavcodec/Makefile
libavcodec/mpegaudiodec_fixed.c [new file with mode: 0644]
libavcodec/mpegaudiodec_float.c
libavcodec/mpegaudiodec_template.c [moved from libavcodec/mpegaudiodec.c with 93% similarity]

index 1674d47..51ccbde 100644 (file)
@@ -237,17 +237,17 @@ OBJS-$(CONFIG_MJPEGB_DECODER)          += mjpegbdec.o mjpegdec.o mjpeg.o
 OBJS-$(CONFIG_MLP_DECODER)             += mlpdec.o mlpdsp.o
 OBJS-$(CONFIG_MMVIDEO_DECODER)         += mmvideo.o
 OBJS-$(CONFIG_MOTIONPIXELS_DECODER)    += motionpixels.o
-OBJS-$(CONFIG_MP1_DECODER)             += mpegaudiodec.o
+OBJS-$(CONFIG_MP1_DECODER)             += mpegaudiodec_fixed.o
 OBJS-$(CONFIG_MP1FLOAT_DECODER)        += mpegaudiodec_float.o
-OBJS-$(CONFIG_MP2_DECODER)             += mpegaudiodec.o
+OBJS-$(CONFIG_MP2_DECODER)             += mpegaudiodec_fixed.o
 OBJS-$(CONFIG_MP2_ENCODER)             += mpegaudioenc.o mpegaudio.o \
                                           mpegaudiodata.o mpegaudiodsp_data.o
 OBJS-$(CONFIG_MP2FLOAT_DECODER)        += mpegaudiodec_float.o
-OBJS-$(CONFIG_MP3_DECODER)             += mpegaudiodec.o
-OBJS-$(CONFIG_MP3ADU_DECODER)          += mpegaudiodec.o
+OBJS-$(CONFIG_MP3_DECODER)             += mpegaudiodec_fixed.o
+OBJS-$(CONFIG_MP3ADU_DECODER)          += mpegaudiodec_fixed.o
 OBJS-$(CONFIG_MP3ADUFLOAT_DECODER)     += mpegaudiodec_float.o
 OBJS-$(CONFIG_MP3FLOAT_DECODER)        += mpegaudiodec_float.o
-OBJS-$(CONFIG_MP3ON4_DECODER)          += mpegaudiodec.o mpeg4audio.o
+OBJS-$(CONFIG_MP3ON4_DECODER)          += mpegaudiodec_fixed.o mpeg4audio.o
 OBJS-$(CONFIG_MP3ON4FLOAT_DECODER)     += mpegaudiodec_float.o mpeg4audio.o
 OBJS-$(CONFIG_MPC7_DECODER)            += mpc7.o mpc.o
 OBJS-$(CONFIG_MPC8_DECODER)            += mpc8.o mpc.o
@@ -749,7 +749,7 @@ $(SUBDIR)aacps.o: $(SUBDIR)aacps_tables.h
 $(SUBDIR)aactab.o: $(SUBDIR)aac_tables.h
 $(SUBDIR)dv.o: $(SUBDIR)dv_tables.h
 $(SUBDIR)sinewin.o: $(SUBDIR)sinewin_tables.h
-$(SUBDIR)mpegaudiodec.o: $(SUBDIR)mpegaudio_tables.h
+$(SUBDIR)mpegaudiodec_fixed.o: $(SUBDIR)mpegaudio_tables.h
 $(SUBDIR)mpegaudiodec_float.o: $(SUBDIR)mpegaudio_tables.h
 $(SUBDIR)motionpixels.o: $(SUBDIR)motionpixels_tables.h
 $(SUBDIR)pcm.o: $(SUBDIR)pcm_tables.h
diff --git a/libavcodec/mpegaudiodec_fixed.c b/libavcodec/mpegaudiodec_fixed.c
new file mode 100644 (file)
index 0000000..6f21b0c
--- /dev/null
@@ -0,0 +1,120 @@
+/*
+ * Fixed-point MPEG audio decoder
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "libavutil/samplefmt.h"
+
+#define CONFIG_FLOAT 0
+
+#include "mpegaudio.h"
+
+#define SHR(a,b)       ((a)>>(b))
+/* WARNING: only correct for positive numbers */
+#define FIXR_OLD(a)    ((int)((a) * FRAC_ONE + 0.5))
+#define FIXR(a)        ((int)((a) * FRAC_ONE + 0.5))
+#define FIXHR(a)       ((int)((a) * (1LL<<32) + 0.5))
+#define MULH3(x, y, s) MULH((s)*(x), y)
+#define MULLx(x, y, s) MULL(x,y,s)
+#define RENAME(a)      a ## _fixed
+#define OUT_FMT   AV_SAMPLE_FMT_S16
+#define OUT_FMT_P AV_SAMPLE_FMT_S16P
+
+#include "mpegaudiodec_template.c"
+
+#if CONFIG_MP1_DECODER
+AVCodec ff_mp1_decoder = {
+    .name           = "mp1",
+    .long_name      = NULL_IF_CONFIG_SMALL("MP1 (MPEG audio layer 1)"),
+    .type           = AVMEDIA_TYPE_AUDIO,
+    .id             = AV_CODEC_ID_MP1,
+    .priv_data_size = sizeof(MPADecodeContext),
+    .init           = decode_init,
+    .decode         = decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
+    .flush          = flush,
+    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
+                                                      AV_SAMPLE_FMT_S16,
+                                                      AV_SAMPLE_FMT_NONE },
+};
+#endif
+#if CONFIG_MP2_DECODER
+AVCodec ff_mp2_decoder = {
+    .name           = "mp2",
+    .long_name      = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
+    .type           = AVMEDIA_TYPE_AUDIO,
+    .id             = AV_CODEC_ID_MP2,
+    .priv_data_size = sizeof(MPADecodeContext),
+    .init           = decode_init,
+    .decode         = decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
+    .flush          = flush,
+    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
+                                                      AV_SAMPLE_FMT_S16,
+                                                      AV_SAMPLE_FMT_NONE },
+};
+#endif
+#if CONFIG_MP3_DECODER
+AVCodec ff_mp3_decoder = {
+    .name           = "mp3",
+    .long_name      = NULL_IF_CONFIG_SMALL("MP3 (MPEG audio layer 3)"),
+    .type           = AVMEDIA_TYPE_AUDIO,
+    .id             = AV_CODEC_ID_MP3,
+    .priv_data_size = sizeof(MPADecodeContext),
+    .init           = decode_init,
+    .decode         = decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
+    .flush          = flush,
+    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
+                                                      AV_SAMPLE_FMT_S16,
+                                                      AV_SAMPLE_FMT_NONE },
+};
+#endif
+#if CONFIG_MP3ADU_DECODER
+AVCodec ff_mp3adu_decoder = {
+    .name           = "mp3adu",
+    .long_name      = NULL_IF_CONFIG_SMALL("ADU (Application Data Unit) MP3 (MPEG audio layer 3)"),
+    .type           = AVMEDIA_TYPE_AUDIO,
+    .id             = AV_CODEC_ID_MP3ADU,
+    .priv_data_size = sizeof(MPADecodeContext),
+    .init           = decode_init,
+    .decode         = decode_frame_adu,
+    .capabilities   = CODEC_CAP_DR1,
+    .flush          = flush,
+    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
+                                                      AV_SAMPLE_FMT_S16,
+                                                      AV_SAMPLE_FMT_NONE },
+};
+#endif
+#if CONFIG_MP3ON4_DECODER
+AVCodec ff_mp3on4_decoder = {
+    .name           = "mp3on4",
+    .long_name      = NULL_IF_CONFIG_SMALL("MP3onMP4"),
+    .type           = AVMEDIA_TYPE_AUDIO,
+    .id             = AV_CODEC_ID_MP3ON4,
+    .priv_data_size = sizeof(MP3On4DecodeContext),
+    .init           = decode_init_mp3on4,
+    .close          = decode_close_mp3on4,
+    .decode         = decode_frame_mp3on4,
+    .capabilities   = CODEC_CAP_DR1,
+    .flush          = flush_mp3on4,
+    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
+                                                      AV_SAMPLE_FMT_NONE },
+};
+#endif
index b5c8223..3a76055 100644 (file)
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "config.h"
+#include "libavutil/samplefmt.h"
+
 #define CONFIG_FLOAT 1
-#include "mpegaudiodec.c"
+
+#include "mpegaudio.h"
+
+#define SHR(a,b)       ((a)*(1.0f/(1<<(b))))
+#define FIXR_OLD(a)    ((int)((a) * FRAC_ONE + 0.5))
+#define FIXR(x)        ((float)(x))
+#define FIXHR(x)       ((float)(x))
+#define MULH3(x, y, s) ((s)*(y)*(x))
+#define MULLx(x, y, s) ((y)*(x))
+#define RENAME(a) a ## _float
+#define OUT_FMT   AV_SAMPLE_FMT_FLT
+#define OUT_FMT_P AV_SAMPLE_FMT_FLTP
+
+#include "mpegaudiodec_template.c"
 
 #if CONFIG_MP1FLOAT_DECODER
 AVCodec ff_mp1float_decoder = {
similarity index 93%
rename from libavcodec/mpegaudiodec.c
rename to libavcodec/mpegaudiodec_template.c
index 0c702b0..9427dbf 100644 (file)
@@ -88,31 +88,6 @@ typedef struct MPADecodeContext {
     AVFrame *frame;
 } MPADecodeContext;
 
-#if CONFIG_FLOAT
-#   define SHR(a,b)       ((a)*(1.0f/(1<<(b))))
-#   define FIXR_OLD(a)    ((int)((a) * FRAC_ONE + 0.5))
-#   define FIXR(x)        ((float)(x))
-#   define FIXHR(x)       ((float)(x))
-#   define MULH3(x, y, s) ((s)*(y)*(x))
-#   define MULLx(x, y, s) ((y)*(x))
-#   define RENAME(a) a ## _float
-#   define OUT_FMT   AV_SAMPLE_FMT_FLT
-#   define OUT_FMT_P AV_SAMPLE_FMT_FLTP
-#else
-#   define SHR(a,b)       ((a)>>(b))
-/* WARNING: only correct for positive numbers */
-#   define FIXR_OLD(a)    ((int)((a) * FRAC_ONE + 0.5))
-#   define FIXR(a)        ((int)((a) * FRAC_ONE + 0.5))
-#   define FIXHR(a)       ((int)((a) * (1LL<<32) + 0.5))
-#   define MULH3(x, y, s) MULH((s)*(x), y)
-#   define MULLx(x, y, s) MULL(x,y,s)
-#   define RENAME(a)      a ## _fixed
-#   define OUT_FMT   AV_SAMPLE_FMT_S16
-#   define OUT_FMT_P AV_SAMPLE_FMT_S16P
-#endif
-
-/****************/
-
 #define HEADER_SIZE 4
 
 #include "mpegaudiodata.h"
@@ -1970,86 +1945,3 @@ static int decode_frame_mp3on4(AVCodecContext *avctx, void *data,
     return buf_size;
 }
 #endif /* CONFIG_MP3ON4_DECODER || CONFIG_MP3ON4FLOAT_DECODER */
-
-#if !CONFIG_FLOAT
-#if CONFIG_MP1_DECODER
-AVCodec ff_mp1_decoder = {
-    .name           = "mp1",
-    .long_name      = NULL_IF_CONFIG_SMALL("MP1 (MPEG audio layer 1)"),
-    .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = AV_CODEC_ID_MP1,
-    .priv_data_size = sizeof(MPADecodeContext),
-    .init           = decode_init,
-    .decode         = decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .flush          = flush,
-    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
-                                                      AV_SAMPLE_FMT_S16,
-                                                      AV_SAMPLE_FMT_NONE },
-};
-#endif
-#if CONFIG_MP2_DECODER
-AVCodec ff_mp2_decoder = {
-    .name           = "mp2",
-    .long_name      = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
-    .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = AV_CODEC_ID_MP2,
-    .priv_data_size = sizeof(MPADecodeContext),
-    .init           = decode_init,
-    .decode         = decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .flush          = flush,
-    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
-                                                      AV_SAMPLE_FMT_S16,
-                                                      AV_SAMPLE_FMT_NONE },
-};
-#endif
-#if CONFIG_MP3_DECODER
-AVCodec ff_mp3_decoder = {
-    .name           = "mp3",
-    .long_name      = NULL_IF_CONFIG_SMALL("MP3 (MPEG audio layer 3)"),
-    .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = AV_CODEC_ID_MP3,
-    .priv_data_size = sizeof(MPADecodeContext),
-    .init           = decode_init,
-    .decode         = decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
-    .flush          = flush,
-    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
-                                                      AV_SAMPLE_FMT_S16,
-                                                      AV_SAMPLE_FMT_NONE },
-};
-#endif
-#if CONFIG_MP3ADU_DECODER
-AVCodec ff_mp3adu_decoder = {
-    .name           = "mp3adu",
-    .long_name      = NULL_IF_CONFIG_SMALL("ADU (Application Data Unit) MP3 (MPEG audio layer 3)"),
-    .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = AV_CODEC_ID_MP3ADU,
-    .priv_data_size = sizeof(MPADecodeContext),
-    .init           = decode_init,
-    .decode         = decode_frame_adu,
-    .capabilities   = CODEC_CAP_DR1,
-    .flush          = flush,
-    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
-                                                      AV_SAMPLE_FMT_S16,
-                                                      AV_SAMPLE_FMT_NONE },
-};
-#endif
-#if CONFIG_MP3ON4_DECODER
-AVCodec ff_mp3on4_decoder = {
-    .name           = "mp3on4",
-    .long_name      = NULL_IF_CONFIG_SMALL("MP3onMP4"),
-    .type           = AVMEDIA_TYPE_AUDIO,
-    .id             = AV_CODEC_ID_MP3ON4,
-    .priv_data_size = sizeof(MP3On4DecodeContext),
-    .init           = decode_init_mp3on4,
-    .close          = decode_close_mp3on4,
-    .decode         = decode_frame_mp3on4,
-    .capabilities   = CODEC_CAP_DR1,
-    .flush          = flush_mp3on4,
-    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
-                                                      AV_SAMPLE_FMT_NONE },
-};
-#endif
-#endif