X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Frmenc.c;h=78b180f5fc60d8bca69ddb5345994818a484cdfc;hb=9f2fc1268cb307da84910ac236e10b24bdda5d0a;hp=3a3525d969817703f60582c47f2b306dc414bbd6;hpb=47ac2b0d143ecd869e99271cf9c67acf9f76de43;p=ffmpeg diff --git a/libavformat/rmenc.c b/libavformat/rmenc.c index 3a3525d9698..78b180f5fc6 100644 --- a/libavformat/rmenc.c +++ b/libavformat/rmenc.c @@ -1,6 +1,6 @@ /* * "Real" compatible muxer. - * Copyright (c) 2000, 2001 Fabrice Bellard. + * Copyright (c) 2000, 2001 Fabrice Bellard * * This file is part of FFmpeg. * @@ -21,6 +21,25 @@ #include "avformat.h" #include "rm.h" +typedef struct { + int nb_packets; + int packet_total_size; + int packet_max_size; + /* codec related output */ + int bit_rate; + float frame_rate; + int nb_frames; /* current frame number */ + int total_frames; /* total number of frames */ + int num; + AVCodecContext *enc; +} StreamInfo; + +typedef struct { + StreamInfo streams[2]; + StreamInfo *audio_stream, *video_stream; + int data_pos; /* position of the data after the header */ +} RMMuxContext; + /* in ms */ #define BUFFER_DURATION 0 @@ -44,13 +63,14 @@ static void put_str8(ByteIOContext *s, const char *tag) static void rv10_write_header(AVFormatContext *ctx, int data_size, int index_pos) { - RMContext *rm = ctx->priv_data; + RMMuxContext *rm = ctx->priv_data; ByteIOContext *s = ctx->pb; StreamInfo *stream; unsigned char *data_offset_ptr, *start_ptr; const char *desc, *mimetype; int nb_packets, packet_total_size, packet_max_size, size, packet_avg_size, i; int bit_rate, v, duration, flags, data_pos; + AVMetadataTag *tag; start_ptr = s->buf_ptr; @@ -104,14 +124,17 @@ static void rv10_write_header(AVFormatContext *ctx, /* comments */ put_tag(s,"CONT"); - size = strlen(ctx->title) + strlen(ctx->author) + strlen(ctx->copyright) + - strlen(ctx->comment) + 4 * 2 + 10; + size = 4 * 2 + 10; + for(i=0; imetadata, ff_rm_metadata[i], NULL, 0); + if(tag) size += strlen(tag->value); + } put_be32(s,size); put_be16(s,0); - put_str(s, ctx->title); - put_str(s, ctx->author); - put_str(s, ctx->copyright); - put_str(s, ctx->comment); + for(i=0; imetadata, ff_rm_metadata[i], NULL, 0); + put_str(s, tag ? tag->value : ""); + } for(i=0;inb_streams;i++) { int codec_data_size; @@ -185,7 +208,7 @@ static void rv10_write_header(AVFormatContext *ctx, case 8000: fscode = 3; } - put_be16(s, fscode); /* codec additional info, for AC3, seems + put_be16(s, fscode); /* codec additional info, for AC-3, seems to be a frequency code */ /* special hack to compensate rounding errors... */ if (coded_frame_size == 557) @@ -271,7 +294,7 @@ static void write_packet_header(AVFormatContext *ctx, StreamInfo *stream, static int rm_write_header(AVFormatContext *s) { - RMContext *rm = s->priv_data; + RMMuxContext *rm = s->priv_data; StreamInfo *stream; int n; AVCodecContext *codec; @@ -315,7 +338,7 @@ static int rm_write_header(AVFormatContext *s) static int rm_write_audio(AVFormatContext *s, const uint8_t *buf, int size, int flags) { uint8_t *buf1; - RMContext *rm = s->priv_data; + RMMuxContext *rm = s->priv_data; ByteIOContext *pb = s->pb; StreamInfo *stream = rm->audio_stream; int i; @@ -325,7 +348,7 @@ static int rm_write_audio(AVFormatContext *s, const uint8_t *buf, int size, int write_packet_header(s, stream, size, !!(flags & PKT_FLAG_KEY)); - /* for AC3, the words seems to be reversed */ + /* for AC-3, the words seem to be reversed */ for(i=0;ipriv_data; + RMMuxContext *rm = s->priv_data; ByteIOContext *pb = s->pb; StreamInfo *stream = rm->video_stream; int key_frame = !!(flags & PKT_FLAG_KEY); @@ -393,7 +416,7 @@ static int rm_write_packet(AVFormatContext *s, AVPacket *pkt) static int rm_write_trailer(AVFormatContext *s) { - RMContext *rm = s->priv_data; + RMMuxContext *rm = s->priv_data; int data_size, index_pos, i; ByteIOContext *pb = s->pb; @@ -408,7 +431,7 @@ static int rm_write_trailer(AVFormatContext *s) put_be16(pb, 0); for(i=0;inb_streams;i++) { - put_be32(pb, 0); /* zero indices */ + put_be32(pb, 0); /* zero indexes */ put_be16(pb, i); /* stream number */ put_be32(pb, 0); /* next index */ } @@ -432,10 +455,10 @@ static int rm_write_trailer(AVFormatContext *s) AVOutputFormat rm_muxer = { "rm", - "rm format", + NULL_IF_CONFIG_SMALL("RealMedia format"), "application/vnd.rn-realmedia", "rm,ra", - sizeof(RMContext), + sizeof(RMMuxContext), CODEC_ID_AC3, CODEC_ID_RV10, rm_write_header,