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-rw-r--r--examples.mk6
-rw-r--r--examples/decode_to_md5.c23
-rw-r--r--examples/simple_decoder.c148
-rw-r--r--tools_common.c44
-rw-r--r--tools_common.h9
-rw-r--r--vp9_spatial_scalable_encoder.c8
6 files changed, 117 insertions, 121 deletions
diff --git a/examples.mk b/examples.mk
index 2337d1ece..c08ebec71 100644
--- a/examples.mk
+++ b/examples.mk
@@ -70,8 +70,10 @@ vp9_spatial_scalable_encoder.DESCRIPTION = Spatial Scalable Encoder
#example_xma.DESCRIPTION = External Memory Allocation mode usage
GEN_EXAMPLES-$(CONFIG_VP8_DECODER) += simple_decoder.c
-simple_decoder.GUID = D3BBF1E9-2427-450D-BBFF-B2843C1D44CC
-simple_decoder.DESCRIPTION = Simplified decoder loop
+simple_decoder.GUID = D3BBF1E9-2427-450D-BBFF-B2843C1D44CC
+simple_decoder.SRCS += ivfdec.h ivfdec.c
+simple_decoder.SRCS += tools_common.h tools_common.c
+simple_decoder.DESCRIPTION = Simplified decoder loop
GEN_EXAMPLES-$(CONFIG_VP8_DECODER) += postproc.c
postproc.GUID = 65E33355-F35E-4088-884D-3FD4905881D7
postproc.DESCRIPTION = Decoder postprocessor control
diff --git a/examples/decode_to_md5.c b/examples/decode_to_md5.c
index 67cbd6c63..bba218209 100644
--- a/examples/decode_to_md5.c
+++ b/examples/decode_to_md5.c
@@ -29,7 +29,6 @@
// is processed, then U, then V. It is important to honor the image's `stride`
// values.
-#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -44,28 +43,6 @@
#include "./tools_common.h"
#include "./vpx_config.h"
-#define VP8_FOURCC 0x30385056
-#define VP9_FOURCC 0x30395056
-
-static vpx_codec_iface_t *get_codec_interface(unsigned int fourcc) {
- switch (fourcc) {
- case VP8_FOURCC:
- return vpx_codec_vp8_dx();
- case VP9_FOURCC:
- return vpx_codec_vp9_dx();
- }
- return NULL;
-}
-
-static void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
- const char *detail = vpx_codec_error_detail(ctx);
-
- printf("%s: %s\n", s, vpx_codec_error(ctx));
- if(detail)
- printf(" %s\n",detail);
- exit(EXIT_FAILURE);
-}
-
static void get_image_md5(const vpx_image_t *img, unsigned char digest[16]) {
int plane, y;
MD5Context md5;
diff --git a/examples/simple_decoder.c b/examples/simple_decoder.c
index 17a598739..23399f44f 100644
--- a/examples/simple_decoder.c
+++ b/examples/simple_decoder.c
@@ -77,110 +77,82 @@
// few exeptions, vpx_codec functions return an enumerated error status,
// with the value `0` indicating success.
-#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+
#define VPX_CODEC_DISABLE_COMPAT 1
-#include "./vpx_config.h"
+
#include "vpx/vp8dx.h"
#include "vpx/vpx_decoder.h"
-#define interface (vpx_codec_vp8_dx())
+#include "./ivfdec.h"
+#include "./tools_common.h"
+#include "./vpx_config.h"
-#define IVF_FILE_HDR_SZ (32)
-#define IVF_FRAME_HDR_SZ (12)
+static const char *exec_name;
-static unsigned int mem_get_le32(const unsigned char *mem) {
- return (mem[3] << 24)|(mem[2] << 16)|(mem[1] << 8)|(mem[0]);
+void usage_exit() {
+ fprintf(stderr, "Usage: %s <infile> <outfile>\n", exec_name);
+ exit(EXIT_FAILURE);
}
-static void die(const char *fmt, ...) {
- va_list ap;
+int main(int argc, char **argv) {
+ FILE *infile, *outfile;
+ vpx_codec_ctx_t codec;
+ vpx_codec_iface_t *iface;
+ int flags = 0, frame_cnt = 0;
+ vpx_video_t *video;
- va_start(ap, fmt);
- vprintf(fmt, ap);
- if(fmt[strlen(fmt)-1] != '\n')
- printf("\n");
- exit(EXIT_FAILURE);
-}
+ exec_name = argv[0];
-static void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
- const char *detail = vpx_codec_error_detail(ctx);
+ if (argc != 3)
+ die("Invalid number of arguments");
- printf("%s: %s\n", s, vpx_codec_error(ctx));
- if(detail)
- printf(" %s\n",detail);
- exit(EXIT_FAILURE);
-}
+ if (!(infile = fopen(argv[1], "rb")))
+ die("Failed to open %s for reading", argv[1]);
+ if (!(outfile = fopen(argv[2], "wb")))
+ die("Failed to open %s for writing", argv[2]);
-int main(int argc, char **argv) {
- FILE *infile, *outfile;
- vpx_codec_ctx_t codec;
- int flags = 0, frame_cnt = 0;
- unsigned char file_hdr[IVF_FILE_HDR_SZ];
- unsigned char frame_hdr[IVF_FRAME_HDR_SZ];
- unsigned char frame[256*1024];
- vpx_codec_err_t res;
-
- (void)res;
- /* Open files */
- if(argc!=3)
- die("Usage: %s <infile> <outfile>\n", argv[0]);
- if(!(infile = fopen(argv[1], "rb")))
- die("Failed to open %s for reading", argv[1]);
- if(!(outfile = fopen(argv[2], "wb")))
- die("Failed to open %s for writing", argv[2]);
-
- /* Read file header */
- if(!(fread(file_hdr, 1, IVF_FILE_HDR_SZ, infile) == IVF_FILE_HDR_SZ
- && file_hdr[0]=='D' && file_hdr[1]=='K' && file_hdr[2]=='I'
- && file_hdr[3]=='F'))
- die("%s is not an IVF file.", argv[1]);
-
- printf("Using %s\n",vpx_codec_iface_name(interface));
- /* Initialize codec */
- if(vpx_codec_dec_init(&codec, interface, NULL, flags))
- die_codec(&codec, "Failed to initialize decoder");
-
- /* Read each frame */
- while(fread(frame_hdr, 1, IVF_FRAME_HDR_SZ, infile) == IVF_FRAME_HDR_SZ) {
- int frame_sz = mem_get_le32(frame_hdr);
- vpx_codec_iter_t iter = NULL;
- vpx_image_t *img;
-
-
- frame_cnt++;
- if(frame_sz > sizeof(frame))
- die("Frame %d data too big for example code buffer", frame_sz);
- if(fread(frame, 1, frame_sz, infile) != frame_sz)
- die("Frame %d failed to read complete frame", frame_cnt);
-
- /* Decode the frame */
- if(vpx_codec_decode(&codec, frame, frame_sz, NULL, 0))
- die_codec(&codec, "Failed to decode frame");
-
- /* Write decoded data to disk */
- while((img = vpx_codec_get_frame(&codec, &iter))) {
- unsigned int plane, y;
-
- for(plane=0; plane < 3; plane++) {
- unsigned char *buf =img->planes[plane];
-
- for(y=0; y < (plane ? (img->d_h + 1) >> 1 : img->d_h); y++) {
- (void) fwrite(buf, 1, (plane ? (img->d_w + 1) >> 1 : img->d_w),
- outfile);
- buf += img->stride[plane];
- }
- }
- }
+ video = vpx_video_open_file(infile);
+ if (!video)
+ die("%s is not an IVF file.", argv[1]);
+
+ iface = get_codec_interface(vpx_video_get_fourcc(video));
+ if (!iface)
+ die("Unknown FOURCC code.");
+
+ printf("Using %s\n", vpx_codec_iface_name(iface));
+
+ if (vpx_codec_dec_init(&codec, iface, NULL, flags))
+ die_codec(&codec, "Failed to initialize decoder");
+
+ while (vpx_video_read_frame(video)) {
+ vpx_codec_iter_t iter = NULL;
+ vpx_image_t *img = NULL;
+ size_t frame_size = 0;
+ const unsigned char *frame = vpx_video_get_frame(video, &frame_size);
+ if (vpx_codec_decode(&codec, frame, frame_size, NULL, 0))
+ die_codec(&codec, "Failed to decode frame");
+
+ while ((img = vpx_codec_get_frame(&codec, &iter)) != NULL) {
+ vpx_img_write(img, outfile);
+ ++frame_cnt;
}
- printf("Processed %d frames.\n",frame_cnt);
- if(vpx_codec_destroy(&codec))
- die_codec(&codec, "Failed to destroy codec");
+ }
+
+ printf("Processed %d frames.\n", frame_cnt);
+ if (vpx_codec_destroy(&codec))
+ die_codec(&codec, "Failed to destroy codec");
+
+ printf("Play: ffplay -f rawvideo -pix_fmt yuv420p -s %dx%d %s\n",
+ vpx_video_get_width(video), vpx_video_get_height(video), argv[2]);
+
+ vpx_video_close(video);
+
+ fclose(outfile);
+ fclose(infile);
- fclose(outfile);
- fclose(infile);
- return EXIT_SUCCESS;
+ return EXIT_SUCCESS;
}
diff --git a/tools_common.c b/tools_common.c
index 9c24983de..85bedc99d 100644
--- a/tools_common.c
+++ b/tools_common.c
@@ -15,6 +15,10 @@
#include <stdlib.h>
#include <string.h>
+#if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
+#include "vpx/vp8dx.h"
+#endif
+
#if defined(_WIN32) || defined(__OS2__)
#include <io.h>
#include <fcntl.h>
@@ -60,6 +64,15 @@ void warn(const char *fmt, ...) {
LOG_ERROR("Warning");
}
+void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
+ const char *detail = vpx_codec_error_detail(ctx);
+
+ printf("%s: %s\n", s, vpx_codec_error(ctx));
+ if (detail)
+ printf(" %s\n", detail);
+ exit(EXIT_FAILURE);
+}
+
uint16_t mem_get_le16(const void *data) {
uint16_t val;
const uint8_t *mem = (const uint8_t*)data;
@@ -130,3 +143,34 @@ int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame) {
return shortread;
}
+
+vpx_codec_iface_t *get_codec_interface(unsigned int fourcc) {
+ switch (fourcc) {
+#if CONFIG_VP8_DECODER
+ case VP8_FOURCC:
+ return vpx_codec_vp8_dx();
+#endif
+#if CONFIG_VP9_DECODER
+ case VP9_FOURCC:
+ return vpx_codec_vp9_dx();
+#endif
+ default:
+ return NULL;
+ }
+ return NULL;
+}
+
+void vpx_img_write(const vpx_image_t *img, FILE *file) {
+ int plane, y;
+
+ for (plane = 0; plane < 3; ++plane) {
+ const unsigned char *buf = img->planes[plane];
+ const int stride = img->stride[plane];
+ const int w = plane ? (img->d_w + 1) >> 1 : img->d_w;
+ const int h = plane ? (img->d_h + 1) >> 1 : img->d_h;
+ for (y = 0; y < h; ++y) {
+ fwrite(buf, 1, w, file);
+ buf += stride;
+ }
+ }
+}
diff --git a/tools_common.h b/tools_common.h
index 1d70ab5e8..967b7a1fb 100644
--- a/tools_common.h
+++ b/tools_common.h
@@ -13,6 +13,7 @@
#include <stdio.h>
#include "./vpx_config.h"
+#include "vpx/vpx_codec.h"
#include "vpx/vpx_image.h"
#include "vpx/vpx_integer.h"
@@ -112,6 +113,8 @@ void die(const char *fmt, ...);
void fatal(const char *fmt, ...);
void warn(const char *fmt, ...);
+void die_codec(vpx_codec_ctx_t *ctx, const char *s);
+
/* The tool including this file must define usage_exit() */
void usage_exit();
@@ -120,6 +123,12 @@ uint32_t mem_get_le32(const void *data);
int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame);
+vpx_codec_iface_t *get_codec_interface(unsigned int fourcc);
+
+// TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
+// of vpx_image_t support
+void vpx_img_write(const vpx_image_t *img, FILE *file);
+
#ifdef __cplusplus
} /* extern "C" */
#endif
diff --git a/vp9_spatial_scalable_encoder.c b/vp9_spatial_scalable_encoder.c
index b637331c3..e71094abc 100644
--- a/vp9_spatial_scalable_encoder.c
+++ b/vp9_spatial_scalable_encoder.c
@@ -89,14 +89,6 @@ void usage_exit() {
exit(EXIT_FAILURE);
}
-static void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
- const char *detail = vpx_codec_error_detail(ctx);
-
- printf("%s: %s\n", s, vpx_codec_error(ctx));
- if (detail) printf(" %s\n", detail);
- exit(EXIT_FAILURE);
-}
-
static void parse_command_line(int argc, const char **argv_,
AppInput *app_input, SvcContext *svc_ctx,
vpx_codec_enc_cfg_t *enc_cfg) {