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https://github.com/FFmpeg/FFmpeg.git
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Rename functions / comments from "Theora" to "Xiph" where relevant.
Patch by Josh Allmann <joshua DOT allmann AT gmail DOT com>. Originally committed as revision 22766 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Josh Allmann
Ronald S. Bultje
parent
06a36faf4c
commit
96070b8b5c
@ -1,5 +1,5 @@
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/*
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* RTP Theora Protocol
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* Xiph RTP Protocols
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* Copyright (c) 2010 Josh Allmann
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*
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* This file is part of FFmpeg.
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@ -20,8 +20,8 @@
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*/
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/**
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* @file libavformat/rtpdec_theora.c
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* @brief Theora / RTP Code
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* @file libavformat/rtpdec_xiph.c
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* @brief Xiph / RTP Code
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* @author Josh Allmann <joshua.allmann@gmail.com>
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*/
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@ -35,7 +35,7 @@
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#include "rtpdec_xiph.h"
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/**
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* RTP/Theora specific private data.
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* RTP/Xiph specific private data.
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*/
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struct PayloadContext {
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unsigned ident; ///< 24-bit stream configuration identifier
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@ -43,7 +43,7 @@ struct PayloadContext {
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ByteIOContext* fragment; ///< buffer for split payloads
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};
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static PayloadContext *theora_new_context(void)
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static PayloadContext *xiph_new_context(void)
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{
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return av_mallocz(sizeof(PayloadContext));
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}
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@ -58,13 +58,13 @@ static inline void free_fragment_if_needed(PayloadContext * data)
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}
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}
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static void theora_free_context(PayloadContext * data)
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static void xiph_free_context(PayloadContext * data)
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{
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free_fragment_if_needed(data);
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av_free(data);
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}
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static int theora_handle_packet(AVFormatContext * ctx,
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static int xiph_handle_packet(AVFormatContext * ctx,
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PayloadContext * data,
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AVStream * st,
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AVPacket * pkt,
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@ -79,7 +79,7 @@ static int theora_handle_packet(AVFormatContext * ctx,
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return AVERROR_INVALIDDATA;
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}
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// read theora rtp headers
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// read xiph rtp headers
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ident = AV_RB24(buf);
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fragmented = buf[3] >> 6;
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tdt = (buf[3] >> 4) & 3;
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@ -95,13 +95,13 @@ static int theora_handle_packet(AVFormatContext * ctx,
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if (ident != data->ident) {
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av_log(ctx, AV_LOG_ERROR,
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"Unimplemented Theora SDP configuration change detected\n");
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"Unimplemented Xiph SDP configuration change detected\n");
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return AVERROR_PATCHWELCOME;
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}
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if (tdt) {
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av_log(ctx, AV_LOG_ERROR,
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"Unimplemented RTP Theora packet settings (%d,%d,%d)\n",
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"Unimplemented RTP Xiph packet settings (%d,%d,%d)\n",
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fragmented, tdt, num_pkts);
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return AVERROR_PATCHWELCOME;
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}
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@ -149,7 +149,7 @@ static int theora_handle_packet(AVFormatContext * ctx,
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return 0;
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} else if (fragmented == 1) {
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// start of theora data fragment
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// start of xiph data fragment
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int res;
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// end packet has been lost somewhere, so drop buffered data
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@ -175,9 +175,9 @@ static int theora_handle_packet(AVFormatContext * ctx,
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put_buffer(data->fragment, buf, pkt_len);
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if (fragmented == 3) {
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// end of theora data packet
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uint8_t* theora_data;
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int frame_size = url_close_dyn_buf(data->fragment, &theora_data);
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// end of xiph data packet
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uint8_t* xiph_data;
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int frame_size = url_close_dyn_buf(data->fragment, &xiph_data);
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if (frame_size < 0) {
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av_log(ctx, AV_LOG_ERROR,
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@ -190,10 +190,10 @@ static int theora_handle_packet(AVFormatContext * ctx,
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return AVERROR_NOMEM;
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}
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memcpy(pkt->data, theora_data, frame_size);
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memcpy(pkt->data, xiph_data, frame_size);
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pkt->stream_index = st->index;
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av_free(theora_data);
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av_free(xiph_data);
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data->fragment = NULL;
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return 0;
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@ -226,7 +226,7 @@ static int get_base128(const uint8_t ** buf, const uint8_t * buf_end)
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static unsigned int
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parse_packed_headers(const uint8_t * packed_headers,
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const uint8_t * packed_headers_end,
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AVCodecContext * codec, PayloadContext * theora_data)
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AVCodecContext * codec, PayloadContext * xiph_data)
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{
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unsigned num_packed, num_headers, length, length1, length2, extradata_alloc;
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@ -240,7 +240,7 @@ parse_packed_headers(const uint8_t * packed_headers,
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}
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num_packed = bytestream_get_be32(&packed_headers);
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theora_data->ident = bytestream_get_be24(&packed_headers);
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xiph_data->ident = bytestream_get_be24(&packed_headers);
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length = bytestream_get_be16(&packed_headers);
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num_headers = get_base128(&packed_headers, packed_headers_end);
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length1 = get_base128(&packed_headers, packed_headers_end);
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@ -284,8 +284,8 @@ parse_packed_headers(const uint8_t * packed_headers,
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return 0;
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}
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static int theora_parse_fmtp_pair(AVCodecContext * codec,
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PayloadContext *theora_data,
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static int xiph_parse_fmtp_pair(AVCodecContext * codec,
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PayloadContext *xiph_data,
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char *attr, char *value)
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{
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int result = 0;
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@ -325,7 +325,7 @@ static int theora_parse_fmtp_pair(AVCodecContext * codec,
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result = parse_packed_headers
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(decoded_packet, decoded_packet + packet_size, codec,
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theora_data);
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xiph_data);
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} else {
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av_log(codec, AV_LOG_ERROR,
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"Out of memory while decoding SDP configuration.\n");
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@ -340,7 +340,7 @@ static int theora_parse_fmtp_pair(AVCodecContext * codec,
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return result;
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}
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static int theora_parse_sdp_line(AVFormatContext *s, int st_index,
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static int xiph_parse_sdp_line(AVFormatContext *s, int st_index,
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PayloadContext *data, const char *line)
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{
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const char *p;
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@ -366,7 +366,7 @@ static int theora_parse_sdp_line(AVFormatContext *s, int st_index,
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while (ff_rtsp_next_attr_and_value(&p,
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attr, attr_size,
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value, value_size)) {
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res = theora_parse_fmtp_pair(codec, data, attr, value);
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res = xiph_parse_fmtp_pair(codec, data, attr, value);
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if (res < 0 && res != AVERROR_PATCHWELCOME)
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return res;
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}
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@ -380,8 +380,8 @@ RTPDynamicProtocolHandler ff_theora_dynamic_handler = {
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.enc_name = "theora",
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.codec_type = AVMEDIA_TYPE_VIDEO,
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.codec_id = CODEC_ID_THEORA,
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.parse_sdp_a_line = theora_parse_sdp_line,
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.open = theora_new_context,
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.close = theora_free_context,
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.parse_packet = theora_handle_packet
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.parse_sdp_a_line = xiph_parse_sdp_line,
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.open = xiph_new_context,
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.close = xiph_free_context,
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.parse_packet = xiph_handle_packet
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};
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@ -1,5 +1,5 @@
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/*
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* RTP Theora Protocol.
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* Xiph RTP Protocols
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* Based off RFC 5215 (Vorbis RTP) and the Theora RTP draft.
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* Copyright (c) 2010 Josh Allmann
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*
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@ -20,8 +20,8 @@
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_RTPDEC_THEORA_H
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#define AVFORMAT_RTPDEC_THEORA_H
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#ifndef AVFORMAT_RTPDEC_XIPH_H
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#define AVFORMAT_RTPDEC_XIPH_H
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#include "libavcodec/avcodec.h"
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#include "rtpdec.h"
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@ -31,4 +31,4 @@
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*/
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extern RTPDynamicProtocolHandler ff_theora_dynamic_handler;
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#endif /* AVFORMAT_RTPDEC_THEORA_H */
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#endif /* AVFORMAT_RTPDEC_XIPH_H */
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