mirror of
https://github.com/zotanmew/nginx-rtmp-module.git
synced 2024-05-16 08:41:08 +02:00
improved dash fragment generated & fixed style
This commit is contained in:
Roman Arutyunyan
parent
047b72c192
commit
6e1008ee9c
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@ -475,16 +475,13 @@ ngx_rtmp_dash_write_init_segments(ngx_rtmp_session_t *s)
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metadata.width = codec_ctx->width;
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metadata.height = codec_ctx->height;
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metadata.sample_rate = codec_ctx->sample_rate;
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metadata.frame_rate = codec_ctx->frame_rate;
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metadata.audio_codec = codec_ctx->audio_codec_id;
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/* init video */
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*ngx_sprintf(ctx->stream.data + ctx->stream.len, "init.m4v") = 0;
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fd = ngx_open_file(ctx->stream.data, NGX_FILE_RDWR, NGX_FILE_TRUNCATE,
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NGX_FILE_DEFAULT_ACCESS);
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NGX_FILE_DEFAULT_ACCESS);
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if (fd == NGX_INVALID_FILE) {
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ngx_log_error(NGX_LOG_ERR, s->connection->log, ngx_errno,
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@ -496,10 +493,8 @@ ngx_rtmp_dash_write_init_segments(ngx_rtmp_session_t *s)
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b.end = b.start + sizeof(buffer);
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b.pos = b.last = b.start;
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metadata.audio = 0;
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metadata.video = 1;
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/*TODO: buffer control*/
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ngx_rtmp_mp4_write_ftyp(&b, NGX_RTMP_MP4_FILETYPE_INIT, &metadata);
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ngx_rtmp_mp4_write_moov(s, &b, &metadata);
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@ -527,9 +522,7 @@ ngx_rtmp_dash_write_init_segments(ngx_rtmp_session_t *s)
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b.pos = b.last = b.start;
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metadata.video = 0;
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metadata.audio = 1;
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/*TODO: buffer control*/
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ngx_rtmp_mp4_write_ftyp(&b, NGX_RTMP_MP4_FILETYPE_INIT, &metadata);
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ngx_rtmp_mp4_write_moov(s, &b, &metadata);
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@ -1088,7 +1081,7 @@ ngx_rtmp_dash_append(ngx_rtmp_session_t *s, ngx_chain_t *in,
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return NGX_ERROR;
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}
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t->samples[t->sample_count].delay = 0;
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t->samples[t->sample_count].delay = delay;
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t->samples[t->sample_count].size = (uint32_t) size;
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t->samples[t->sample_count].duration = 0;
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t->samples[t->sample_count].timestamp = timestamp;
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@ -6,31 +6,6 @@
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#include <ngx_rtmp_codec_module.h>
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/*
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static ngx_int_t
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ngx_rtmp_mp4_field_64(ngx_buf_t *b, uint64_t n)
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{
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u_char bytes[8];
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bytes[0] = ((uint64_t) n >> 56) & 0xFF;
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bytes[1] = ((uint64_t) n >> 48) & 0xFF;
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bytes[2] = ((uint64_t) n >> 40) & 0xFF;
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bytes[3] = ((uint64_t) n >> 32) & 0xFF;
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bytes[4] = ((uint64_t) n >> 24) & 0xFF;
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bytes[5] = ((uint64_t) n >> 16) & 0xFF;
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bytes[6] = ((uint64_t) n >> 8) & 0xFF;
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bytes[7] = (uint64_t) n & 0xFF;
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if (b->last + sizeof(bytes) > b->end) {
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return NGX_ERROR;
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}
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b->last = ngx_cpymem(b->last, bytes, sizeof(bytes));
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return NGX_OK;
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}
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*/
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static ngx_int_t
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ngx_rtmp_mp4_field_32(ngx_buf_t *b, uint32_t n)
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{
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@ -106,7 +81,7 @@ ngx_rtmp_mp4_field_8(ngx_buf_t *b, uint8_t n)
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static ngx_int_t
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ngx_rtmp_mp4_put_descr(ngx_buf_t *b, int tag, unsigned int size)
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ngx_rtmp_mp4_put_descr(ngx_buf_t *b, int tag, size_t size)
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{
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ngx_rtmp_mp4_field_8(b, (uint8_t) tag);
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ngx_rtmp_mp4_field_8(b, size & 0x7F);
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@ -222,7 +197,7 @@ ngx_rtmp_mp4_write_ftyp(ngx_buf_t *b, int type,
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ngx_rtmp_mp4_box(b, "iso5");
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ngx_rtmp_mp4_field_32(b, 1);
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if (metadata != NULL && metadata->video == 1) {
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if (metadata != NULL && metadata->video) {
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ngx_rtmp_mp4_box(b, "avc1");
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}
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@ -256,27 +231,40 @@ ngx_rtmp_mp4_write_mvhd(ngx_buf_t *b, ngx_rtmp_mp4_metadata_t *metadata)
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pos = ngx_rtmp_mp4_start_box(b, "mvhd");
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ngx_rtmp_mp4_field_32(b, 0); /* version */
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ngx_rtmp_mp4_field_32(b, 0x00000000); /* creation time */
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ngx_rtmp_mp4_field_32(b, 0); /* modification time */
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ngx_rtmp_mp4_field_32(b, 1000); /* timescale */
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ngx_rtmp_mp4_field_32(b, 0); /* duration */
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ngx_rtmp_mp4_field_32(b, 0x00010000); /* playback rate */
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ngx_rtmp_mp4_field_16(b, 0x0100); /* volume rate */
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ngx_rtmp_mp4_field_16(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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/* version */
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ngx_rtmp_mp4_field_32(b, 0);
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/* creation time */
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ngx_rtmp_mp4_field_32(b, 0);
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/* modification time */
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ngx_rtmp_mp4_field_32(b, 0);
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/* timescale */
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ngx_rtmp_mp4_field_32(b, 1000);
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/* duration */
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ngx_rtmp_mp4_field_32(b, 0);
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/* reserved */
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ngx_rtmp_mp4_field_32(b, 0x00010000);
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ngx_rtmp_mp4_field_16(b, 0x0100);
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ngx_rtmp_mp4_field_16(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_write_matrix(b, 1, 0, 0, 1, 0, 0);
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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/* reserved */
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 1); /* track id */
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/* next track id */
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ngx_rtmp_mp4_field_32(b, 1);
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ngx_rtmp_mp4_update_box_size(b, pos);
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@ -291,29 +279,46 @@ ngx_rtmp_mp4_write_tkhd(ngx_buf_t *b, ngx_rtmp_mp4_metadata_t *metadata)
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pos = ngx_rtmp_mp4_start_box(b, "tkhd");
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ngx_rtmp_mp4_field_8(b, 0); /* version */
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ngx_rtmp_mp4_field_24(b, 0x0000000F); /* flags */
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ngx_rtmp_mp4_field_32(b, 0); /* creation time */
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ngx_rtmp_mp4_field_32(b, 0); /* modification time */
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ngx_rtmp_mp4_field_32(b, 1); /* track id */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* duration */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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/* 2 16s, layer and alternate group */
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ngx_rtmp_mp4_field_32(b, metadata->audio == 1 ? 0x00000001 : 0);
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ngx_rtmp_mp4_field_16(b, metadata->audio == 1 ? 0x0100 : 0);
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ngx_rtmp_mp4_field_16(b, 0); /* reserved */
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/* version */
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ngx_rtmp_mp4_field_8(b, 0);
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/* flags: TrackEnabled */
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ngx_rtmp_mp4_field_24(b, 0x0000000f);
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/* creation time */
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ngx_rtmp_mp4_field_32(b, 0);
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/* modification time */
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ngx_rtmp_mp4_field_32(b, 0);
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/* track id */
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ngx_rtmp_mp4_field_32(b, 1);
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/* reserved */
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ngx_rtmp_mp4_field_32(b, 0);
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/* duration */
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ngx_rtmp_mp4_field_32(b, 0);
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/* reserved */
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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/* reserved */
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ngx_rtmp_mp4_field_16(b, metadata->video ? 0 : 0x0100);
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/* reserved */
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ngx_rtmp_mp4_field_16(b, 0);
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ngx_rtmp_mp4_write_matrix(b, 1, 0, 0, 1, 0, 0);
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if (metadata->video == 1) {
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ngx_rtmp_mp4_field_32(b, metadata->width << 16); /* width */
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ngx_rtmp_mp4_field_32(b, metadata->height << 16); /* height */
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}
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else {
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ngx_rtmp_mp4_field_32(b, 0); /* not relevant for audio */
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ngx_rtmp_mp4_field_32(b, 0); /* not relevant for audio */
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if (metadata->video) {
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ngx_rtmp_mp4_field_32(b, (uint32_t) metadata->width << 16);
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ngx_rtmp_mp4_field_32(b, (uint32_t) metadata->height << 16);
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} else {
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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}
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ngx_rtmp_mp4_update_box_size(b, pos);
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@ -369,7 +374,7 @@ ngx_rtmp_mp4_write_hdlr(ngx_buf_t *b, ngx_rtmp_mp4_metadata_t *metadata)
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/* pre defined */
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ngx_rtmp_mp4_field_32(b, 0);
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if (metadata->video == 1) {
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if (metadata->video) {
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ngx_rtmp_mp4_box(b, "vide");
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} else {
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ngx_rtmp_mp4_box(b, "soun");
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@ -380,7 +385,7 @@ ngx_rtmp_mp4_write_hdlr(ngx_buf_t *b, ngx_rtmp_mp4_metadata_t *metadata)
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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if (metadata->video == 1) {
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if (metadata->video) {
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/* video handler string, NULL-terminated */
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ngx_rtmp_mp4_data(b, "VideoHandler", sizeof("VideoHandler"));
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}
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@ -582,49 +587,73 @@ static ngx_int_t
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ngx_rtmp_mp4_write_esds(ngx_rtmp_session_t *s, ngx_buf_t *b,
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ngx_rtmp_mp4_metadata_t *metadata)
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{
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int decoder_info;
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int aac_header_offset;
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u_char *pos;
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ngx_chain_t *aac;
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size_t dsi_len;
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u_char *pos, *dsi;
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ngx_buf_t *db;
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ngx_rtmp_codec_ctx_t *codec_ctx;
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codec_ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_codec_module);
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if (codec_ctx == NULL) {
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if (codec_ctx == NULL || codec_ctx->aac_header == NULL) {
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return NGX_ERROR;
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}
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aac = codec_ctx->aac_header;
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if (aac == NULL) {
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decoder_info = 0;
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aac_header_offset = 0;
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} else {
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decoder_info = (aac->buf->last-aac->buf->pos);
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aac_header_offset = 2;
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db = codec_ctx->aac_header->buf;
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if (db == NULL) {
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return NGX_ERROR;
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}
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dsi = db->pos + 2;
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if (dsi > db->last) {
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return NGX_ERROR;
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}
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dsi_len = db->last - dsi;
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pos = ngx_rtmp_mp4_start_box(b, "esds");
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ngx_rtmp_mp4_field_32(b, 0); /* version */
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/* length of the rest of the box */
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ngx_rtmp_mp4_put_descr(b, 0x03, 21+decoder_info);
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ngx_rtmp_mp4_field_16(b, 1); /* track id */
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ngx_rtmp_mp4_field_8(b, 0x00); /* flags */
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/* length of the rest of the box */
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ngx_rtmp_mp4_put_descr(b, 0x04, 13+decoder_info);
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ngx_rtmp_mp4_field_8(b, metadata->audio_codec == NGX_RTMP_AUDIO_AAC ? 0x40 :
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0x6B); /* codec id */
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ngx_rtmp_mp4_field_8(b, 0x15); /* audio stream */
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ngx_rtmp_mp4_field_24(b, 0); /* buffersize? */
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/* Next two fields are bitrate. */
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/* version */
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ngx_rtmp_mp4_field_32(b, 0);
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/* ES Descriptor */
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ngx_rtmp_mp4_put_descr(b, 0x03, 23 + dsi_len);
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/* ES_ID */
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ngx_rtmp_mp4_field_16(b, 1);
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/* flags */
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ngx_rtmp_mp4_field_8(b, 0);
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/* DecoderConfig Descriptor */
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ngx_rtmp_mp4_put_descr(b, 0x04, 15 + dsi_len);
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/* objectTypeIndication: Audio ISO/IEC 14496-3 (AAC) */
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ngx_rtmp_mp4_field_8(b, 0x40);
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/* streamType: AudioStream */
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ngx_rtmp_mp4_field_8(b, 0x15);
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/* bufferSizeDB */
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ngx_rtmp_mp4_field_24(b, 0);
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/* maxBitrate */
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ngx_rtmp_mp4_field_32(b, 0x0001F151);
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/* avgBitrate */
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ngx_rtmp_mp4_field_32(b, 0x0001F14D);
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if (aac) {
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ngx_rtmp_mp4_put_descr(b, 0x05, decoder_info);
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ngx_rtmp_mp4_data(b, aac->buf->pos + aac_header_offset,
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(size_t) decoder_info);
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}
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/* DecoderSpecificInfo Descriptor */
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ngx_rtmp_mp4_put_descr(b, 0x05, dsi_len);
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ngx_rtmp_mp4_data(b, dsi, dsi_len);
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/* SL Descriptor */
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ngx_rtmp_mp4_put_descr(b, 0x06, 1);
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ngx_rtmp_mp4_field_8(b, 0x02);
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@ -643,25 +672,42 @@ ngx_rtmp_mp4_write_audio(ngx_rtmp_session_t *s, ngx_buf_t *b,
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pos = ngx_rtmp_mp4_start_box(b, "mp4a");
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_16(b, 0); /* reserved */
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ngx_rtmp_mp4_field_16(b, 1); /* Data-reference index, XXX == 1 */
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ngx_rtmp_mp4_field_16(b, 0); /* Version */
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ngx_rtmp_mp4_field_16(b, 0); /* Revision level */
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ngx_rtmp_mp4_field_32(b, 0); /* reserved */
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ngx_rtmp_mp4_field_16(b, 2); /* something mp4 specific */
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ngx_rtmp_mp4_field_16(b, 16); /* something mp4 specific */
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ngx_rtmp_mp4_field_16(b, 0); /* something mp4 specific */
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ngx_rtmp_mp4_field_16(b, 0); /* packet size (=0) */
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ngx_rtmp_mp4_field_16(b, (uint16_t) metadata->sample_rate);
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ngx_rtmp_mp4_field_16(b, 0); /* reserved */
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/* reserved */
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_16(b, 0);
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/* data reference index */
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ngx_rtmp_mp4_field_16(b, 1);
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/* reserved */
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ngx_rtmp_mp4_field_32(b, 0);
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ngx_rtmp_mp4_field_32(b, 0);
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/* reserved = 2*/
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ngx_rtmp_mp4_field_16(b, 2);
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/* reserved = 16 */
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ngx_rtmp_mp4_field_16(b, 16);
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/* reserved */
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ngx_rtmp_mp4_field_32(b, 0);
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/* time scale */
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ngx_rtmp_mp4_field_16(b, 1000);
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/* reserved */
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ngx_rtmp_mp4_field_16(b, 0);
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ngx_rtmp_mp4_write_esds(s, b, metadata);
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ngx_rtmp_mp4_field_32(b, 8); /* size */
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ngx_rtmp_mp4_field_32(b, 0); /* null tag */
|
||||
/* tag size*/
|
||||
ngx_rtmp_mp4_field_32(b, 8);
|
||||
|
||||
/* null tag */
|
||||
ngx_rtmp_mp4_field_32(b, 0);
|
||||
|
||||
ngx_rtmp_mp4_update_box_size(b, pos);
|
||||
|
||||
return NGX_OK;
|
||||
}
|
||||
|
||||
|
|
@ -674,14 +720,16 @@ ngx_rtmp_mp4_write_stsd(ngx_rtmp_session_t *s, ngx_buf_t *b,
|
|||
|
||||
pos = ngx_rtmp_mp4_start_box(b, "stsd");
|
||||
|
||||
ngx_rtmp_mp4_field_32(b, 0); /* version & flags */
|
||||
ngx_rtmp_mp4_field_32(b, 1); /* entry count */
|
||||
/* version & flags */
|
||||
ngx_rtmp_mp4_field_32(b, 0);
|
||||
|
||||
if (metadata->video == 1) {
|
||||
ngx_rtmp_mp4_write_video(s,b,metadata);
|
||||
}
|
||||
else {
|
||||
ngx_rtmp_mp4_write_audio(s,b,metadata);
|
||||
/* entry count */
|
||||
ngx_rtmp_mp4_field_32(b, 1);
|
||||
|
||||
if (metadata->video) {
|
||||
ngx_rtmp_mp4_write_video(s, b, metadata);
|
||||
} else {
|
||||
ngx_rtmp_mp4_write_audio(s, b, metadata);
|
||||
}
|
||||
|
||||
ngx_rtmp_mp4_update_box_size(b, pos);
|
||||
|
|
@ -783,10 +831,9 @@ ngx_rtmp_mp4_write_minf(ngx_rtmp_session_t *s, ngx_buf_t *b,
|
|||
|
||||
pos = ngx_rtmp_mp4_start_box(b, "minf");
|
||||
|
||||
if (metadata->video == 1) {
|
||||
if (metadata->video) {
|
||||
ngx_rtmp_mp4_write_vmhd(b);
|
||||
}
|
||||
else {
|
||||
} else {
|
||||
ngx_rtmp_mp4_write_smhd(b);
|
||||
}
|
||||
|
||||
|
|
@ -840,16 +887,6 @@ ngx_rtmp_mp4_write_mvex(ngx_buf_t *b, ngx_rtmp_mp4_metadata_t *metadata)
|
|||
|
||||
pos = ngx_rtmp_mp4_start_box(b, "mvex");
|
||||
|
||||
/* just write the trex and mehd in here too */
|
||||
#if 0
|
||||
ngx_rtmp_mp4_field_32(b, 16);
|
||||
|
||||
b->last = ngx_cpymem(b->last, "mehd", sizeof("mehd")-1);
|
||||
|
||||
ngx_rtmp_mp4_field_32(b, 0); /* version & flags */
|
||||
ngx_rtmp_mp4_field_32(b, 0x000D8D2A); /* frag duration */
|
||||
#endif
|
||||
|
||||
ngx_rtmp_mp4_field_32(b, 0x20);
|
||||
|
||||
ngx_rtmp_mp4_box(b, "trex");
|
||||
|
|
@ -867,7 +904,7 @@ ngx_rtmp_mp4_write_mvex(ngx_buf_t *b, ngx_rtmp_mp4_metadata_t *metadata)
|
|||
ngx_rtmp_mp4_field_32(b, 0);
|
||||
|
||||
/* default sample size, 1024 for AAC */
|
||||
ngx_rtmp_mp4_field_32(b, 1024);
|
||||
ngx_rtmp_mp4_field_32(b, 0);
|
||||
|
||||
/* default sample flags, key on */
|
||||
ngx_rtmp_mp4_field_32(b, 0);
|
||||
|
|
|
|||
|
|
@ -27,11 +27,7 @@ typedef struct {
|
|||
typedef struct {
|
||||
ngx_uint_t width;
|
||||
ngx_uint_t height;
|
||||
ngx_uint_t audio;
|
||||
ngx_uint_t video;
|
||||
ngx_uint_t sample_rate;
|
||||
ngx_uint_t frame_rate;
|
||||
ngx_uint_t audio_codec;
|
||||
} ngx_rtmp_mp4_metadata_t;
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue