h264: Move start code search functions into separate source files.

This permits re-use with parsers for codecs which use similar start codes.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

4 files changed, 31 insertions, 6 deletions

diff --git a/libavcodec/arm/Makefile b/libavcodec/arm/Makefile
index 742c3ee726..6c2eb997c9 100644
--- a/libavcodec/arm/Makefile
+++ b/libavcodec/arm/Makefile
@@ -53,7 +53,6 @@ ARMV5TE-OBJS-$(CONFIG_VIDEODSP)        += arm/videodsp_init_armv5te.o   \
 ARMV5TE-OBJS-$(CONFIG_MLP_DECODER)     += arm/mlpdsp_armv5te.o
 
 ARMV6-OBJS-$(CONFIG_AC3DSP)            += arm/ac3dsp_armv6.o
-ARMV6-OBJS-$(CONFIG_H264DSP)           += arm/h264dsp_armv6.o
 ARMV6-OBJS-$(CONFIG_HPELDSP)           += arm/hpeldsp_init_armv6.o      \
                                           arm/hpeldsp_armv6.o
 ARMV6-OBJS-$(CONFIG_IDCTDSP)           += arm/idctdsp_init_armv6.o      \
@@ -65,6 +64,7 @@ ARMV6-OBJS-$(CONFIG_MPEGVIDEOENC)      += arm/mpegvideoencdsp_armv6.o
 ARMV6-OBJS-$(CONFIG_PIXBLOCKDSP)       += arm/pixblockdsp_armv6.o
 
 ARMV6-OBJS-$(CONFIG_MLP_DECODER)       += arm/mlpdsp_armv6.o
+ARMV6-OBJS-$(CONFIG_STARTCODE)         += arm/startcode_armv6.o
 ARMV6-OBJS-$(CONFIG_VP7_DECODER)       += arm/vp8_armv6.o               \
                                           arm/vp8dsp_init_armv6.o       \
                                           arm/vp8dsp_armv6.o
diff --git a/libavcodec/arm/h264dsp_init_arm.c b/libavcodec/arm/h264dsp_init_arm.c
index 7cb1312c2b..7afd350890 100644
--- a/libavcodec/arm/h264dsp_init_arm.c
+++ b/libavcodec/arm/h264dsp_init_arm.c
@@ -23,8 +23,7 @@
 #include "libavutil/attributes.h"
 #include "libavutil/arm/cpu.h"
 #include "libavcodec/h264dsp.h"
-
-int ff_h264_find_start_code_candidate_armv6(const uint8_t *buf, int size);
+#include "libavcodec/arm/startcode.h"
 
 void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
                                      int beta, int8_t *tc0);
@@ -105,7 +104,7 @@ av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
     int cpu_flags = av_get_cpu_flags();
 
     if (have_setend(cpu_flags))
-        c->h264_find_start_code_candidate = ff_h264_find_start_code_candidate_armv6;
+        c->startcode_find_candidate = ff_startcode_find_candidate_armv6;
     if (have_neon(cpu_flags))
         h264dsp_init_neon(c, bit_depth, chroma_format_idc);
 }
diff --git a/libavcodec/arm/startcode.h b/libavcodec/arm/startcode.h
new file mode 100644
index 0000000000..d7996c1a4b
--- /dev/null
+++ b/libavcodec/arm/startcode.h
@@ -0,0 +1,26 @@
+/*
+ * 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
+ */
+
+#ifndef AVCODEC_ARM_STARTCODE_H
+#define AVCODEC_ARM_STARTCODE_H
+
+#include <stdint.h>
+
+int ff_startcode_find_candidate_armv6(const uint8_t *buf, int size);
+
+#endif /* AVCODEC_ARM_STARTCODE_H */
diff --git a/libavcodec/arm/h264dsp_armv6.S b/libavcodec/arm/startcode_armv6.S
index 384ed86765..64078b2898 100644
--- a/libavcodec/arm/h264dsp_armv6.S
+++ b/libavcodec/arm/startcode_armv6.S
@@ -69,8 +69,8 @@ TMP3    .req    lr
         andseq  TMP3, TMP3, PATTERN
 .endm
 
-/* int ff_h264_find_start_code_candidate_armv6(const uint8_t *buf, int size) */
-function ff_h264_find_start_code_candidate_armv6, export=1
+/* int ff_startcode_find_candidate_armv6(const uint8_t *buf, int size) */
+function ff_startcode_find_candidate_armv6, export=1
         push    {v1-v6,lr}
         mov     PTR, BUF
         @ Ensure there are at least (PRELOAD_DISTANCE+2) complete cachelines to go