120 lines
2.4 KiB
C++
120 lines
2.4 KiB
C++
#include "mp4-writer.h"
|
|
#include "mov-format.h"
|
|
#include "webm-vpx.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
extern "C" const struct mov_buffer_t* mov_file_buffer(void);
|
|
|
|
static uint8_t s_buffer[2 * 1024 * 1024];
|
|
static uint8_t s_extra_data[64 * 1024];
|
|
|
|
struct mov_vpx_test_t
|
|
{
|
|
mp4_writer_t* mov;
|
|
struct webm_vpx_t vpx;
|
|
|
|
int track;
|
|
int width;
|
|
int height;
|
|
uint32_t pts, dts;
|
|
uint8_t* ptr;
|
|
int bytes;
|
|
|
|
int vcl;
|
|
int keyframe;
|
|
};
|
|
|
|
static uint8_t* file_read(const char* file, long* size)
|
|
{
|
|
FILE* fp = fopen(file, "rb");
|
|
if (fp)
|
|
{
|
|
fseek(fp, 0, SEEK_END);
|
|
*size = ftell(fp);
|
|
fseek(fp, 0, SEEK_SET);
|
|
|
|
uint8_t* ptr = (uint8_t*)malloc(*size);
|
|
fread(ptr, 1, *size, fp);
|
|
fclose(fp);
|
|
|
|
return ptr;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int vpx_write(struct mov_vpx_test_t* ctx, const void* data, int bytes)
|
|
{
|
|
if (ctx->track < 0)
|
|
{
|
|
int r = webm_vpx_codec_configuration_record_from_vp9(&ctx->vpx, &ctx->width, &ctx->height, data, bytes);
|
|
if (ctx->width < 1 || ctx->height < 1)
|
|
{
|
|
//ctx->ptr = end;
|
|
return -2; // waiting for sps/pps
|
|
}
|
|
|
|
int extra_data_size = webm_vpx_codec_configuration_record_save(&ctx->vpx, s_extra_data, sizeof(s_extra_data));
|
|
if (extra_data_size <= 0)
|
|
{
|
|
// invalid AVCC
|
|
assert(0);
|
|
return -1;
|
|
}
|
|
|
|
// TODO: waiting for key frame ???
|
|
ctx->track = mp4_writer_add_video(ctx->mov, MOV_OBJECT_VP9, ctx->width, ctx->height, s_extra_data, extra_data_size);
|
|
if (ctx->track < 0)
|
|
return -1;
|
|
}
|
|
|
|
mp4_writer_write(ctx->mov, ctx->track, data, bytes, ctx->pts, ctx->pts, ctx->keyframe ? MOV_AV_FLAG_KEYFREAME : 0);
|
|
ctx->pts += 40;
|
|
ctx->dts += 40;
|
|
return 0;
|
|
}
|
|
|
|
static int vpx_handler(struct mov_vpx_test_t* ctx, const uint8_t* ptr, size_t len)
|
|
{
|
|
while (len > 2)
|
|
{
|
|
size_t n = (((size_t)ptr[0]) << 8) | ptr[1];
|
|
ptr += 2;
|
|
len -= 2;
|
|
if (n > len)
|
|
return -1;
|
|
|
|
vpx_write(ctx, ptr, n);
|
|
ptr += n;
|
|
len -= n;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// file format:
|
|
// 2ByteLenght(MSB) + vp9 payload + 2ByteLenght(MSB) + vp9 payload + ...
|
|
void mov_writer_vp9(const char* file, int width, int height, const char* mp4)
|
|
{
|
|
struct mov_vpx_test_t ctx;
|
|
memset(&ctx, 0, sizeof(ctx));
|
|
ctx.track = -1;
|
|
ctx.width = width;
|
|
ctx.height = height;
|
|
ctx.ptr = s_buffer;
|
|
|
|
long bytes = 0;
|
|
uint8_t* ptr = file_read(file, &bytes);
|
|
if (NULL == ptr) return;
|
|
|
|
FILE* fp = fopen(mp4, "wb+");
|
|
ctx.mov = mp4_writer_create(0, mov_file_buffer(), fp, 0);
|
|
vpx_handler(&ctx, ptr, bytes);
|
|
mp4_writer_destroy(ctx.mov);
|
|
|
|
fclose(fp);
|
|
free(ptr);
|
|
}
|