62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
#include "flv-writer.h"
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#include "flv-muxer.h"
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#include "mpeg4-avc.h"
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#include "mpeg4-hevc.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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struct h264_raw_t
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{
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flv_muxer_t* flv;
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uint32_t pts, dts;
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const uint8_t* ptr;
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int vcl;
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};
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static int on_flv_packet(void* flv, int type, const void* data, size_t bytes, uint32_t timestamp)
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{
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return flv_writer_input(flv, type, data, bytes, timestamp);
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}
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static void h265_handler(void* param, const uint8_t* nalu, size_t bytes)
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{
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struct h264_raw_t* ctx = (struct h264_raw_t*)param;
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assert(ctx->ptr < nalu);
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const uint8_t* ptr = nalu - 3;
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//const uint8_t* end = (const uint8_t*)nalu + bytes;
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uint8_t nalutype = ((*(uint8_t*)nalu) >> 1) & 0x3f;
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if (ctx->vcl > 0 && h265_is_new_access_unit(nalu, bytes))
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{
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flv_muxer_hevc(ctx->flv, ctx->ptr, ptr - ctx->ptr, ctx->pts, ctx->dts);
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ctx->pts += 40;
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ctx->dts += 40;
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ctx->ptr = ptr;
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ctx->vcl = 0;
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}
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if (nalutype < 32 /*H265_NAL_VPS*/)
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++ctx->vcl;
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}
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void hevc2flv_test(const char* inputH265, const char* outputFLV)
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{
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struct h264_raw_t ctx;
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memset(&ctx, 0, sizeof(ctx));
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void* f = flv_writer_create(outputFLV);
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ctx.flv = flv_muxer_create(on_flv_packet, f);
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FILE* fp = fopen(inputH265, "rb");
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static uint8_t buffer[16 * 1024 * 1024];
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size_t n = fread(buffer, 1, sizeof(buffer), fp);
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ctx.ptr = buffer;
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mpeg4_h264_annexb_nalu(buffer, n, h265_handler, &ctx);
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fclose(fp);
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flv_muxer_destroy(ctx.flv);
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flv_writer_destroy(f);
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}
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