LineageOS/android_external_libvpx
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Adding video reader/writer APIs.

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Right now only IVF format is supported which is enough for example code.
Other formats like y4m, webm, raw yuv will be supported later.

Change-Id: I34c6f20731c1851947587ca5c589d7856b675164
This commit is contained in:
Dmitry Kovalev
2014-02-05 18:34:46 -08:00
parent cebda1b65c
commit 37e6fd3d76
13 changed files with 491 additions and 355 deletions
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56
examples/decode_with_drops.c
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@@ -56,14 +56,13 @@
#include <stdlib.h>
#include <string.h>
#include "./ivfdec.h"
#define VPX_CODEC_DISABLE_COMPAT 1
#include "vpx/vp8dx.h"
#include "vpx/vpx_decoder.h"
#include "./tools_common.h"
#include "./video_reader.h"
#include "./vpx_config.h"
static const char *exec_name;
@@ -74,52 +73,55 @@ void usage_exit() {
}
int main(int argc, char **argv) {
FILE *infile, *outfile;
int frame_cnt = 0;
FILE *outfile = NULL;
vpx_codec_ctx_t codec;
vpx_codec_iface_t *iface;
int flags = 0, frame_cnt = 0;
vpx_video_t *video;
int n, m, is_range;
char *nptr;
vpx_codec_iface_t *iface = NULL;
VpxVideoReader *reader = NULL;
const VpxVideoInfo *info = NULL;
int n = 0;
int m = 0;
int is_range = 0;
char *nptr = NULL;
exec_name = argv[0];
if (argc != 4)
die("Invalid number of arguments");
die("Invalid number of arguments.");
if (!(infile = fopen(argv[1], "rb")))
die("Failed to open %s for reading", argv[1]);
reader = vpx_video_reader_open(argv[1]);
if (!reader)
die("Failed to open %s for reading.", argv[1]);
if (!(outfile = fopen(argv[2], "wb")))
die("Failed to open %s for writing", argv[2]);
die("Failed to open %s for writing.", argv[2]);
n = strtol(argv[3], &nptr, 0);
m = strtol(nptr + 1, NULL, 0);
is_range = (*nptr == '-');
if (!n || !m || (*nptr != '-' && *nptr != '/'))
die("Couldn't parse pattern %s\n", argv[3]);
die("Couldn't parse pattern %s.\n", argv[3]);
video = vpx_video_open_file(infile);
if (!video)
die("%s is not a supported input file.", argv[1]);
info = vpx_video_reader_get_info(reader);
iface = get_codec_interface(vpx_video_get_fourcc(video));
iface = get_codec_interface(info->codec_fourcc);
if (!iface)
die("Unknown FOURCC code.");
die("Unknown input codec.");
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");
if (vpx_codec_dec_init(&codec, iface, NULL, 0))
die_codec(&codec, "Failed to initialize decoder.");
while (vpx_video_read_frame(video)) {
while (vpx_video_reader_read_frame(reader)) {
vpx_codec_iter_t iter = NULL;
vpx_image_t *img = NULL;
size_t frame_size = 0;
int skip;
const unsigned char *frame = vpx_video_get_frame(video, &frame_size);
const unsigned char *frame = vpx_video_reader_get_frame(reader,
&frame_size);
if (vpx_codec_decode(&codec, frame, frame_size, NULL, 0))
die_codec(&codec, "Failed to decode frame");
die_codec(&codec, "Failed to decode frame.");
++frame_cnt;
@@ -140,15 +142,13 @@ int main(int argc, char **argv) {
printf("Processed %d frames.\n", frame_cnt);
if (vpx_codec_destroy(&codec))
die_codec(&codec, "Failed to 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);
info->frame_width, info->frame_height, argv[2]);
vpx_video_reader_close(reader);
fclose(outfile);
fclose(infile);
return EXIT_SUCCESS;
}