/*
* copyright (c) 2007 Luca Abeni
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <string.h>
#include "libavutil/avstring.h"
#include "libavutil/base64.h"
+#include "libavutil/dict.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/opt.h"
+#include "libavcodec/xiph.h"
+#include "libavcodec/mpeg4audio.h"
#include "avformat.h"
#include "internal.h"
#include "avc.h"
+#include "hevc.h"
#include "rtp.h"
+#if CONFIG_NETWORK
+#include "network.h"
+#endif
#if CONFIG_RTP_MUXER
#define MAX_EXTRADATA_SIZE ((INT_MAX - 10) / 2)
int ttl; /**< TTL, in case of multicast stream */
const char *user; /**< username of the session's creator */
const char *src_addr; /**< IP address of the machine from which the session was created */
+ const char *src_type; /**< address type of src_addr */
const char *dst_addr; /**< destination IP address (can be multicast) */
+ const char *dst_type; /**< destination IP address type */
const char *name; /**< session name (can be an empty string) */
};
-static void sdp_write_address(char *buff, int size, const char *dest_addr, int ttl)
+static void sdp_write_address(char *buff, int size, const char *dest_addr,
+ const char *dest_type, int ttl)
{
if (dest_addr) {
- if (ttl > 0) {
- av_strlcatf(buff, size, "c=IN IP4 %s/%d\r\n", dest_addr, ttl);
+ if (!dest_type)
+ dest_type = "IP4";
+ if (ttl > 0 && !strcmp(dest_type, "IP4")) {
+ /* The TTL should only be specified for IPv4 multicast addresses,
+ * not for IPv6. */
+ av_strlcatf(buff, size, "c=IN %s %s/%d\r\n", dest_type, dest_addr, ttl);
} else {
- av_strlcatf(buff, size, "c=IN IP4 %s\r\n", dest_addr);
+ av_strlcatf(buff, size, "c=IN %s %s\r\n", dest_type, dest_addr);
}
}
}
static void sdp_write_header(char *buff, int size, struct sdp_session_level *s)
{
av_strlcatf(buff, size, "v=%d\r\n"
- "o=- %d %d IN IP4 %s\r\n"
- "t=%d %d\r\n"
- "s=%s\r\n"
- "a=tool:libavformat " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\r\n",
+ "o=- %d %d IN %s %s\r\n"
+ "s=%s\r\n",
s->sdp_version,
- s->id, s->version, s->src_addr,
- s->start_time, s->end_time,
+ s->id, s->version, s->src_type, s->src_addr,
s->name);
- sdp_write_address(buff, size, s->dst_addr, s->ttl);
+ sdp_write_address(buff, size, s->dst_addr, s->dst_type, s->ttl);
+ av_strlcatf(buff, size, "t=%d %d\r\n"
+ "a=tool:libavformat " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\r\n",
+ s->start_time, s->end_time);
}
+#if CONFIG_NETWORK
+static int resolve_destination(char *dest_addr, int size, char *type,
+ int type_size)
+{
+ struct addrinfo hints = { 0 }, *ai;
+ int is_multicast;
+
+ av_strlcpy(type, "IP4", type_size);
+ if (!dest_addr[0])
+ return 0;
+
+ /* Resolve the destination, since it must be written
+ * as a numeric IP address in the SDP. */
+
+ if (getaddrinfo(dest_addr, NULL, &hints, &ai))
+ return 0;
+ getnameinfo(ai->ai_addr, ai->ai_addrlen, dest_addr, size,
+ NULL, 0, NI_NUMERICHOST);
+#ifdef AF_INET6
+ if (ai->ai_family == AF_INET6)
+ av_strlcpy(type, "IP6", type_size);
+#endif
+ is_multicast = ff_is_multicast_address(ai->ai_addr);
+ freeaddrinfo(ai);
+ return is_multicast;
+}
+#else
+static int resolve_destination(char *dest_addr, int size, char *type,
+ int type_size)
+{
+ return 0;
+}
+#endif
+
static int sdp_get_address(char *dest_addr, int size, int *ttl, const char *url)
{
int port;
const char *p;
+ char proto[32];
- url_split(NULL, 0, NULL, 0, dest_addr, size, &port, NULL, 0, url);
+ av_url_split(proto, sizeof(proto), NULL, 0, dest_addr, size, &port, NULL, 0, url);
*ttl = 0;
+
+ if (strcmp(proto, "rtp") && strcmp(proto, "srtp")) {
+ /* The url isn't for the actual rtp sessions,
+ * don't parse out anything else than the destination.
+ */
+ return 0;
+ }
+
p = strchr(url, '?');
if (p) {
char buff[64];
- int is_multicast = find_info_tag(buff, sizeof(buff), "multicast", p);
- if (is_multicast) {
- if (find_info_tag(buff, sizeof(buff), "ttl", p)) {
- *ttl = strtol(buff, NULL, 10);
- } else {
- *ttl = 5;
- }
+ if (av_find_info_tag(buff, sizeof(buff), "ttl", p)) {
+ *ttl = strtol(buff, NULL, 10);
+ } else {
+ *ttl = 5;
}
}
}
#define MAX_PSET_SIZE 1024
-static char *extradata2psets(AVCodecContext *c)
+static char *extradata2psets(AVFormatContext *s, AVCodecParameters *par)
{
char *psets, *p;
const uint8_t *r;
- const char *pset_string = "; sprop-parameter-sets=";
+ static const char pset_string[] = "; sprop-parameter-sets=";
+ static const char profile_string[] = "; profile-level-id=";
+ uint8_t *extradata = par->extradata;
+ int extradata_size = par->extradata_size;
+ uint8_t *tmpbuf = NULL;
+ const uint8_t *sps = NULL, *sps_end;
- if (c->extradata_size > MAX_EXTRADATA_SIZE) {
- av_log(c, AV_LOG_ERROR, "Too much extradata!\n");
+ if (par->extradata_size > MAX_EXTRADATA_SIZE) {
+ av_log(s, AV_LOG_ERROR, "Too much extradata!\n");
return NULL;
}
+ if (par->extradata[0] == 1) {
+ if (ff_avc_write_annexb_extradata(par->extradata, &extradata,
+ &extradata_size))
+ return NULL;
+ tmpbuf = extradata;
+ }
psets = av_mallocz(MAX_PSET_SIZE);
- if (psets == NULL) {
- av_log(c, AV_LOG_ERROR, "Cannot allocate memory for the parameter sets.\n");
+ if (!psets) {
+ av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the parameter sets.\n");
+ av_free(tmpbuf);
return NULL;
}
memcpy(psets, pset_string, strlen(pset_string));
p = psets + strlen(pset_string);
- r = ff_avc_find_startcode(c->extradata, c->extradata + c->extradata_size);
- while (r < c->extradata + c->extradata_size) {
+ r = ff_avc_find_startcode(extradata, extradata + extradata_size);
+ while (r < extradata + extradata_size) {
const uint8_t *r1;
uint8_t nal_type;
while (!*(r++));
nal_type = *r & 0x1f;
- r1 = ff_avc_find_startcode(r, c->extradata + c->extradata_size);
+ r1 = ff_avc_find_startcode(r, extradata + extradata_size);
if (nal_type != 7 && nal_type != 8) { /* Only output SPS and PPS */
r = r1;
continue;
*p = ',';
p++;
}
- if (av_base64_encode(p, MAX_PSET_SIZE - (p - psets), r, r1 - r) == NULL) {
- av_log(c, AV_LOG_ERROR, "Cannot Base64-encode %td %td!\n", MAX_PSET_SIZE - (p - psets), r1 - r);
+ if (!sps) {
+ sps = r;
+ sps_end = r1;
+ }
+ if (!av_base64_encode(p, MAX_PSET_SIZE - (p - psets), r, r1 - r)) {
+ av_log(s, AV_LOG_ERROR, "Cannot Base64-encode %td %td!\n", MAX_PSET_SIZE - (p - psets), r1 - r);
av_free(psets);
+ av_free(tmpbuf);
return NULL;
}
p += strlen(p);
r = r1;
}
+ if (sps && sps_end - sps >= 4) {
+ memcpy(p, profile_string, strlen(profile_string));
+ p += strlen(p);
+ ff_data_to_hex(p, sps + 1, 3, 0);
+ p[6] = '\0';
+ }
+ av_free(tmpbuf);
return psets;
}
-static char *extradata2config(AVCodecContext *c)
+static char *extradata2psets_hevc(AVCodecParameters *par)
+{
+ char *psets;
+ uint8_t *extradata = par->extradata;
+ int extradata_size = par->extradata_size;
+ uint8_t *tmpbuf = NULL;
+ int ps_pos[3] = { 0 };
+ static const char * const ps_names[3] = { "vps", "sps", "pps" };
+ int num_arrays, num_nalus;
+ int pos, i, j;
+
+ // Convert to hvcc format. Since we need to group multiple NALUs of
+ // the same type, and we might need to convert from one format to the
+ // other anyway, we get away with a little less work by using the hvcc
+ // format.
+ if (par->extradata[0] != 1) {
+ AVIOContext *pb;
+ if (avio_open_dyn_buf(&pb) < 0)
+ return NULL;
+ if (ff_isom_write_hvcc(pb, par->extradata, par->extradata_size, 0) < 0) {
+ avio_close_dyn_buf(pb, &tmpbuf);
+ goto err;
+ }
+ extradata_size = avio_close_dyn_buf(pb, &extradata);
+ tmpbuf = extradata;
+ }
+
+ if (extradata_size < 23)
+ goto err;
+
+ num_arrays = extradata[22];
+ pos = 23;
+ for (i = 0; i < num_arrays; i++) {
+ int num_nalus, nalu_type;
+ if (pos + 3 > extradata_size)
+ goto err;
+ nalu_type = extradata[pos] & 0x3f;
+ // Not including libavcodec/hevc.h to avoid confusion between
+ // NAL_* with the same name for both H.264 and HEVC.
+ if (nalu_type == 32) // VPS
+ ps_pos[0] = pos;
+ else if (nalu_type == 33) // SPS
+ ps_pos[1] = pos;
+ else if (nalu_type == 34) // PPS
+ ps_pos[2] = pos;
+ num_nalus = AV_RB16(&extradata[pos + 1]);
+ pos += 3;
+ for (j = 0; j < num_nalus; j++) {
+ int len;
+ if (pos + 2 > extradata_size)
+ goto err;
+ len = AV_RB16(&extradata[pos]);
+ pos += 2;
+ if (pos + len > extradata_size)
+ goto err;
+ pos += len;
+ }
+ }
+ if (!ps_pos[0] || !ps_pos[1] || !ps_pos[2])
+ goto err;
+
+ psets = av_mallocz(MAX_PSET_SIZE);
+ if (!psets)
+ goto err;
+ psets[0] = '\0';
+
+ for (i = 0; i < 3; i++) {
+ pos = ps_pos[i];
+
+ if (i > 0)
+ av_strlcat(psets, "; ", MAX_PSET_SIZE);
+ av_strlcatf(psets, MAX_PSET_SIZE, "sprop-%s=", ps_names[i]);
+
+ // Skipping boundary checks in the input here; we've already traversed
+ // the whole hvcc structure above without issues
+ num_nalus = AV_RB16(&extradata[pos + 1]);
+ pos += 3;
+ for (j = 0; j < num_nalus; j++) {
+ int len = AV_RB16(&extradata[pos]);
+ int strpos;
+ pos += 2;
+ if (j > 0)
+ av_strlcat(psets, ",", MAX_PSET_SIZE);
+ strpos = strlen(psets);
+ if (!av_base64_encode(psets + strpos, MAX_PSET_SIZE - strpos,
+ &extradata[pos], len)) {
+ av_free(psets);
+ goto err;
+ }
+ pos += len;
+ }
+ }
+ av_free(tmpbuf);
+
+ return psets;
+
+err:
+ av_free(tmpbuf);
+ return NULL;
+}
+
+static char *extradata2config(AVFormatContext *s, AVCodecParameters *par)
{
char *config;
- if (c->extradata_size > MAX_EXTRADATA_SIZE) {
- av_log(c, AV_LOG_ERROR, "Too much extradata!\n");
+ if (par->extradata_size > MAX_EXTRADATA_SIZE) {
+ av_log(s, AV_LOG_ERROR, "Too much extradata!\n");
return NULL;
}
- config = av_malloc(10 + c->extradata_size * 2);
- if (config == NULL) {
- av_log(c, AV_LOG_ERROR, "Cannot allocate memory for the config info.\n");
+ config = av_malloc(10 + par->extradata_size * 2);
+ if (!config) {
+ av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the config info.\n");
return NULL;
}
memcpy(config, "; config=", 9);
- ff_data_to_hex(config + 9, c->extradata, c->extradata_size);
- config[9 + c->extradata_size * 2] = 0;
+ ff_data_to_hex(config + 9, par->extradata, par->extradata_size, 0);
+ config[9 + par->extradata_size * 2] = 0;
return config;
}
-static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c, int payload_type)
+static char *xiph_extradata2config(AVFormatContext *s, AVCodecParameters *par)
+{
+ char *config, *encoded_config;
+ uint8_t *header_start[3];
+ int headers_len, header_len[3], config_len;
+ int first_header_size;
+
+ switch (par->codec_id) {
+ case AV_CODEC_ID_THEORA:
+ first_header_size = 42;
+ break;
+ case AV_CODEC_ID_VORBIS:
+ first_header_size = 30;
+ break;
+ default:
+ av_log(s, AV_LOG_ERROR, "Unsupported Xiph codec ID\n");
+ return NULL;
+ }
+
+ if (avpriv_split_xiph_headers(par->extradata, par->extradata_size,
+ first_header_size, header_start,
+ header_len) < 0) {
+ av_log(s, AV_LOG_ERROR, "Extradata corrupt.\n");
+ return NULL;
+ }
+
+ headers_len = header_len[0] + header_len[2];
+ config_len = 4 + // count
+ 3 + // ident
+ 2 + // packet size
+ 1 + // header count
+ 2 + // header size
+ headers_len; // and the rest
+
+ config = av_malloc(config_len);
+ if (!config)
+ goto xiph_fail;
+
+ encoded_config = av_malloc(AV_BASE64_SIZE(config_len));
+ if (!encoded_config) {
+ av_free(config);
+ goto xiph_fail;
+ }
+
+ config[0] = config[1] = config[2] = 0;
+ config[3] = 1;
+ config[4] = (RTP_XIPH_IDENT >> 16) & 0xff;
+ config[5] = (RTP_XIPH_IDENT >> 8) & 0xff;
+ config[6] = (RTP_XIPH_IDENT ) & 0xff;
+ config[7] = (headers_len >> 8) & 0xff;
+ config[8] = headers_len & 0xff;
+ config[9] = 2;
+ config[10] = header_len[0];
+ config[11] = 0; // size of comment header; nonexistent
+ memcpy(config + 12, header_start[0], header_len[0]);
+ memcpy(config + 12 + header_len[0], header_start[2], header_len[2]);
+
+ av_base64_encode(encoded_config, AV_BASE64_SIZE(config_len),
+ config, config_len);
+ av_free(config);
+
+ return encoded_config;
+
+xiph_fail:
+ av_log(s, AV_LOG_ERROR,
+ "Not enough memory for configuration string\n");
+ return NULL;
+}
+
+static int latm_context2profilelevel(AVCodecParameters *par)
+{
+ /* MP4A-LATM
+ * The RTP payload format specification is described in RFC 3016
+ * The encoding specifications are provided in ISO/IEC 14496-3 */
+
+ int profile_level = 0x2B;
+
+ /* TODO: AAC Profile only supports AAC LC Object Type.
+ * Different Object Types should implement different Profile Levels */
+
+ if (par->sample_rate <= 24000) {
+ if (par->channels <= 2)
+ profile_level = 0x28; // AAC Profile, Level 1
+ } else if (par->sample_rate <= 48000) {
+ if (par->channels <= 2) {
+ profile_level = 0x29; // AAC Profile, Level 2
+ } else if (par->channels <= 5) {
+ profile_level = 0x2A; // AAC Profile, Level 4
+ }
+ } else if (par->sample_rate <= 96000) {
+ if (par->channels <= 5) {
+ profile_level = 0x2B; // AAC Profile, Level 5
+ }
+ }
+
+ return profile_level;
+}
+
+static char *latm_context2config(AVFormatContext *s, AVCodecParameters *par)
+{
+ /* MP4A-LATM
+ * The RTP payload format specification is described in RFC 3016
+ * The encoding specifications are provided in ISO/IEC 14496-3 */
+
+ uint8_t config_byte[6];
+ int rate_index;
+ char *config;
+
+ for (rate_index = 0; rate_index < 16; rate_index++)
+ if (avpriv_mpeg4audio_sample_rates[rate_index] == par->sample_rate)
+ break;
+ if (rate_index == 16) {
+ av_log(s, AV_LOG_ERROR, "Unsupported sample rate\n");
+ return NULL;
+ }
+
+ config_byte[0] = 0x40;
+ config_byte[1] = 0;
+ config_byte[2] = 0x20 | rate_index;
+ config_byte[3] = par->channels << 4;
+ config_byte[4] = 0x3f;
+ config_byte[5] = 0xc0;
+
+ config = av_malloc(6*2+1);
+ if (!config) {
+ av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the config info.\n");
+ return NULL;
+ }
+ ff_data_to_hex(config, config_byte, 6, 1);
+ config[12] = 0;
+
+ return config;
+}
+
+static char *sdp_write_media_attributes(char *buff, int size, AVCodecParameters *p, int payload_type, AVFormatContext *fmt)
{
char *config = NULL;
- switch (c->codec_id) {
- case CODEC_ID_H264:
- if (c->extradata_size) {
- config = extradata2psets(c);
+ switch (p->codec_id) {
+ case AV_CODEC_ID_H264: {
+ int mode = 1;
+ if (fmt && fmt->oformat && fmt->oformat->priv_class &&
+ av_opt_flag_is_set(fmt->priv_data, "rtpflags", "h264_mode0"))
+ mode = 0;
+ if (p->extradata_size) {
+ config = extradata2psets(fmt, p);
}
av_strlcatf(buff, size, "a=rtpmap:%d H264/90000\r\n"
- "a=fmtp:%d packetization-mode=1%s\r\n",
+ "a=fmtp:%d packetization-mode=%d%s\r\n",
payload_type,
- payload_type, config ? config : "");
+ payload_type, mode, config ? config : "");
+ break;
+ }
+ case AV_CODEC_ID_H261:
+ {
+ const char *pic_fmt = NULL;
+ /* only QCIF and CIF are specified as supported in RFC 4587 */
+ if (p->width == 176 && p->height == 144)
+ pic_fmt = "QCIF=1";
+ else if (p->width == 352 && p->height == 288)
+ pic_fmt = "CIF=1";
+ if (payload_type >= RTP_PT_PRIVATE)
+ av_strlcatf(buff, size, "a=rtpmap:%d H261/90000\r\n", payload_type);
+ if (pic_fmt)
+ av_strlcatf(buff, size, "a=fmtp:%d %s\r\n", payload_type, pic_fmt);
+ break;
+ }
+ case AV_CODEC_ID_H263:
+ case AV_CODEC_ID_H263P:
+ /* a=framesize is required by 3GPP TS 26.234 (PSS). It
+ * actually specifies the maximum video size, but we only know
+ * the current size. This is required for playback on Android
+ * stagefright and on Samsung bada. */
+ if (!fmt || !fmt->oformat->priv_class ||
+ !av_opt_flag_is_set(fmt->priv_data, "rtpflags", "rfc2190") ||
+ p->codec_id == AV_CODEC_ID_H263P)
+ av_strlcatf(buff, size, "a=rtpmap:%d H263-2000/90000\r\n"
+ "a=framesize:%d %d-%d\r\n",
+ payload_type,
+ payload_type, p->width, p->height);
break;
- case CODEC_ID_H263:
- case CODEC_ID_H263P:
- av_strlcatf(buff, size, "a=rtpmap:%d H263-2000/90000\r\n", payload_type);
+ case AV_CODEC_ID_HEVC:
+ if (p->extradata_size)
+ config = extradata2psets_hevc(p);
+ av_strlcatf(buff, size, "a=rtpmap:%d H265/90000\r\n", payload_type);
+ if (config)
+ av_strlcatf(buff, size, "a=fmtp:%d %s\r\n",
+ payload_type, config);
break;
- case CODEC_ID_MPEG4:
- if (c->extradata_size) {
- config = extradata2config(c);
+ case AV_CODEC_ID_MPEG4:
+ if (p->extradata_size) {
+ config = extradata2config(fmt, p);
}
av_strlcatf(buff, size, "a=rtpmap:%d MP4V-ES/90000\r\n"
"a=fmtp:%d profile-level-id=1%s\r\n",
payload_type,
payload_type, config ? config : "");
break;
- case CODEC_ID_AAC:
- if (c->extradata_size) {
- config = extradata2config(c);
+ case AV_CODEC_ID_AAC:
+ if (fmt && fmt->oformat->priv_class &&
+ av_opt_flag_is_set(fmt->priv_data, "rtpflags", "latm")) {
+ config = latm_context2config(fmt, p);
+ if (!config)
+ return NULL;
+ av_strlcatf(buff, size, "a=rtpmap:%d MP4A-LATM/%d/%d\r\n"
+ "a=fmtp:%d profile-level-id=%d;cpresent=0;config=%s\r\n",
+ payload_type, p->sample_rate, p->channels,
+ payload_type, latm_context2profilelevel(p), config);
} else {
- /* FIXME: maybe we can forge config information based on the
- * codec parameters...
- */
- av_log(c, AV_LOG_ERROR, "AAC with no global headers is currently not supported.\n");
- return NULL;
+ if (p->extradata_size) {
+ config = extradata2config(fmt, p);
+ } else {
+ /* FIXME: maybe we can forge config information based on the
+ * codec parameters...
+ */
+ av_log(fmt, AV_LOG_ERROR, "AAC with no global headers is currently not supported.\n");
+ return NULL;
+ }
+ if (!config) {
+ return NULL;
+ }
+ av_strlcatf(buff, size, "a=rtpmap:%d MPEG4-GENERIC/%d/%d\r\n"
+ "a=fmtp:%d profile-level-id=1;"
+ "mode=AAC-hbr;sizelength=13;indexlength=3;"
+ "indexdeltalength=3%s\r\n",
+ payload_type, p->sample_rate, p->channels,
+ payload_type, config);
}
- if (config == NULL) {
- return NULL;
- }
- av_strlcatf(buff, size, "a=rtpmap:%d MPEG4-GENERIC/%d/%d\r\n"
- "a=fmtp:%d profile-level-id=1;"
- "mode=AAC-hbr;sizelength=13;indexlength=3;"
- "indexdeltalength=3%s\r\n",
- payload_type, c->sample_rate, c->channels,
- payload_type, config);
break;
- case CODEC_ID_PCM_S16BE:
- if (payload_type >= 96)
+ case AV_CODEC_ID_PCM_S16BE:
+ if (payload_type >= RTP_PT_PRIVATE)
av_strlcatf(buff, size, "a=rtpmap:%d L16/%d/%d\r\n",
payload_type,
- c->sample_rate, c->channels);
+ p->sample_rate, p->channels);
break;
- case CODEC_ID_PCM_MULAW:
- if (payload_type >= 96)
+ case AV_CODEC_ID_PCM_MULAW:
+ if (payload_type >= RTP_PT_PRIVATE)
av_strlcatf(buff, size, "a=rtpmap:%d PCMU/%d/%d\r\n",
payload_type,
- c->sample_rate, c->channels);
+ p->sample_rate, p->channels);
break;
- case CODEC_ID_PCM_ALAW:
- if (payload_type >= 96)
+ case AV_CODEC_ID_PCM_ALAW:
+ if (payload_type >= RTP_PT_PRIVATE)
av_strlcatf(buff, size, "a=rtpmap:%d PCMA/%d/%d\r\n",
payload_type,
- c->sample_rate, c->channels);
+ p->sample_rate, p->channels);
+ break;
+ case AV_CODEC_ID_AMR_NB:
+ av_strlcatf(buff, size, "a=rtpmap:%d AMR/%d/%d\r\n"
+ "a=fmtp:%d octet-align=1\r\n",
+ payload_type, p->sample_rate, p->channels,
+ payload_type);
+ break;
+ case AV_CODEC_ID_AMR_WB:
+ av_strlcatf(buff, size, "a=rtpmap:%d AMR-WB/%d/%d\r\n"
+ "a=fmtp:%d octet-align=1\r\n",
+ payload_type, p->sample_rate, p->channels,
+ payload_type);
+ break;
+ case AV_CODEC_ID_VORBIS:
+ if (p->extradata_size)
+ config = xiph_extradata2config(fmt, p);
+ else
+ av_log(fmt, AV_LOG_ERROR, "Vorbis configuration info missing\n");
+ if (!config)
+ return NULL;
+
+ av_strlcatf(buff, size, "a=rtpmap:%d vorbis/%d/%d\r\n"
+ "a=fmtp:%d configuration=%s\r\n",
+ payload_type, p->sample_rate, p->channels,
+ payload_type, config);
+ break;
+ case AV_CODEC_ID_THEORA: {
+ const char *pix_fmt;
+ switch (p->format) {
+ case AV_PIX_FMT_YUV420P:
+ pix_fmt = "YCbCr-4:2:0";
+ break;
+ case AV_PIX_FMT_YUV422P:
+ pix_fmt = "YCbCr-4:2:2";
+ break;
+ case AV_PIX_FMT_YUV444P:
+ pix_fmt = "YCbCr-4:4:4";
+ break;
+ default:
+ av_log(fmt, AV_LOG_ERROR, "Unsupported pixel format.\n");
+ return NULL;
+ }
+
+ if (p->extradata_size)
+ config = xiph_extradata2config(fmt, p);
+ else
+ av_log(fmt, AV_LOG_ERROR, "Theora configuation info missing\n");
+ if (!config)
+ return NULL;
+
+ av_strlcatf(buff, size, "a=rtpmap:%d theora/90000\r\n"
+ "a=fmtp:%d delivery-method=inline; "
+ "width=%d; height=%d; sampling=%s; "
+ "configuration=%s\r\n",
+ payload_type, payload_type,
+ p->width, p->height, pix_fmt, config);
+ break;
+ }
+ case AV_CODEC_ID_VP8:
+ av_strlcatf(buff, size, "a=rtpmap:%d VP8/90000\r\n",
+ payload_type);
+ break;
+ case AV_CODEC_ID_MJPEG:
+ if (payload_type >= RTP_PT_PRIVATE)
+ av_strlcatf(buff, size, "a=rtpmap:%d JPEG/90000\r\n",
+ payload_type);
+ break;
+ case AV_CODEC_ID_ADPCM_G722:
+ if (payload_type >= RTP_PT_PRIVATE)
+ av_strlcatf(buff, size, "a=rtpmap:%d G722/%d/%d\r\n",
+ payload_type,
+ 8000, p->channels);
+ break;
+ case AV_CODEC_ID_ADPCM_G726: {
+ if (payload_type >= RTP_PT_PRIVATE)
+ av_strlcatf(buff, size, "a=rtpmap:%d G726-%d/%d\r\n",
+ payload_type,
+ p->bits_per_coded_sample*8,
+ p->sample_rate);
+ break;
+ }
+ case AV_CODEC_ID_ILBC:
+ av_strlcatf(buff, size, "a=rtpmap:%d iLBC/%d\r\n"
+ "a=fmtp:%d mode=%d\r\n",
+ payload_type, p->sample_rate,
+ payload_type, p->block_align == 38 ? 20 : 30);
+ break;
+ case AV_CODEC_ID_SPEEX:
+ av_strlcatf(buff, size, "a=rtpmap:%d speex/%d\r\n",
+ payload_type, p->sample_rate);
+ break;
+ case AV_CODEC_ID_OPUS:
+ /* The opus RTP draft says that all opus streams MUST be declared
+ as stereo, to avoid negotiation failures. The actual number of
+ channels can change on a packet-by-packet basis. The number of
+ channels a receiver prefers to receive or a sender plans to send
+ can be declared via fmtp parameters (both default to mono), but
+ receivers MUST be able to receive and process stereo packets. */
+ av_strlcatf(buff, size, "a=rtpmap:%d opus/48000/2\r\n",
+ payload_type);
+ if (p->channels == 2) {
+ av_strlcatf(buff, size, "a=fmtp:%d sprop-stereo=1\r\n",
+ payload_type);
+ }
break;
default:
/* Nothing special to do here... */
return buff;
}
-static void sdp_write_media(char *buff, int size, AVCodecContext *c, const char *dest_addr, int port, int ttl)
+void ff_sdp_write_media(char *buff, int size, AVStream *st, int idx,
+ const char *dest_addr, const char *dest_type,
+ int port, int ttl, AVFormatContext *fmt)
{
+ AVCodecParameters *p = st->codecpar;
const char *type;
int payload_type;
- payload_type = ff_rtp_get_payload_type(c);
- if (payload_type < 0) {
- payload_type = 96; /* FIXME: how to assign a private pt? rtp.c is broken too */
- }
+ payload_type = ff_rtp_get_payload_type(fmt, st->codecpar, idx);
- switch (c->codec_type) {
- case CODEC_TYPE_VIDEO : type = "video" ; break;
- case CODEC_TYPE_AUDIO : type = "audio" ; break;
- case CODEC_TYPE_SUBTITLE: type = "text" ; break;
+ switch (p->codec_type) {
+ case AVMEDIA_TYPE_VIDEO : type = "video" ; break;
+ case AVMEDIA_TYPE_AUDIO : type = "audio" ; break;
+ case AVMEDIA_TYPE_SUBTITLE: type = "text" ; break;
default : type = "application"; break;
}
av_strlcatf(buff, size, "m=%s %d RTP/AVP %d\r\n", type, port, payload_type);
- sdp_write_address(buff, size, dest_addr, ttl);
- if (c->bit_rate) {
- av_strlcatf(buff, size, "b=AS:%d\r\n", c->bit_rate / 1000);
+ sdp_write_address(buff, size, dest_addr, dest_type, ttl);
+ if (p->bit_rate) {
+ av_strlcatf(buff, size, "b=AS:%d\r\n", p->bit_rate / 1000);
}
- sdp_write_media_attributes(buff, size, c, payload_type);
+ sdp_write_media_attributes(buff, size, p, payload_type, fmt);
}
-int avf_sdp_create(AVFormatContext *ac[], int n_files, char *buff, int size)
+int av_sdp_create(AVFormatContext *ac[], int n_files, char *buf, int size)
{
- AVMetadataTag *title = av_metadata_get(ac[0]->metadata, "title", NULL, 0);
- struct sdp_session_level s;
- int i, j, port, ttl;
- char dst[32];
+ AVDictionaryEntry *title = av_dict_get(ac[0]->metadata, "title", NULL, 0);
+ struct sdp_session_level s = { 0 };
+ int i, j, port, ttl, is_multicast, index = 0;
+ char dst[32], dst_type[5];
- memset(buff, 0, size);
- memset(&s, 0, sizeof(struct sdp_session_level));
+ memset(buf, 0, size);
s.user = "-";
s.src_addr = "127.0.0.1"; /* FIXME: Properly set this */
+ s.src_type = "IP4";
s.name = title ? title->value : "No Name";
port = 0;
ttl = 0;
if (n_files == 1) {
port = sdp_get_address(dst, sizeof(dst), &ttl, ac[0]->filename);
- if (port > 0) {
+ is_multicast = resolve_destination(dst, sizeof(dst), dst_type,
+ sizeof(dst_type));
+ if (!is_multicast)
+ ttl = 0;
+ if (dst[0]) {
s.dst_addr = dst;
+ s.dst_type = dst_type;
s.ttl = ttl;
+ if (!strcmp(dst_type, "IP6")) {
+ s.src_addr = "::1";
+ s.src_type = "IP6";
+ }
}
}
- sdp_write_header(buff, size, &s);
+ sdp_write_header(buf, size, &s);
dst[0] = 0;
for (i = 0; i < n_files; i++) {
if (n_files != 1) {
port = sdp_get_address(dst, sizeof(dst), &ttl, ac[i]->filename);
+ is_multicast = resolve_destination(dst, sizeof(dst), dst_type,
+ sizeof(dst_type));
+ if (!is_multicast)
+ ttl = 0;
}
for (j = 0; j < ac[i]->nb_streams; j++) {
- sdp_write_media(buff, size,
- ac[i]->streams[j]->codec, dst[0] ? dst : NULL,
- (port > 0) ? port + j * 2 : 0, ttl);
+ ff_sdp_write_media(buf, size, ac[i]->streams[j], index++,
+ dst[0] ? dst : NULL, dst_type,
+ (port > 0) ? port + j * 2 : 0,
+ ttl, ac[i]);
if (port <= 0) {
- av_strlcatf(buff, size,
+ av_strlcatf(buf, size,
"a=control:streamid=%d\r\n", i + j);
}
+ if (ac[i]->pb && ac[i]->pb->av_class) {
+ uint8_t *crypto_suite = NULL, *crypto_params = NULL;
+ av_opt_get(ac[i]->pb, "srtp_out_suite", AV_OPT_SEARCH_CHILDREN,
+ &crypto_suite);
+ av_opt_get(ac[i]->pb, "srtp_out_params", AV_OPT_SEARCH_CHILDREN,
+ &crypto_params);
+ if (crypto_suite && crypto_suite[0])
+ av_strlcatf(buf, size,
+ "a=crypto:1 %s inline:%s\r\n",
+ crypto_suite, crypto_params);
+ av_free(crypto_suite);
+ av_free(crypto_params);
+ }
}
}
return 0;
}
#else
-int avf_sdp_create(AVFormatContext *ac[], int n_files, char *buff, int size)
+int av_sdp_create(AVFormatContext *ac[], int n_files, char *buf, int size)
{
return AVERROR(ENOSYS);
}
+
+void ff_sdp_write_media(char *buff, int size, AVStream *st, int idx,
+ const char *dest_addr, const char *dest_type,
+ int port, int ttl, AVFormatContext *fmt)
+{
+}
#endif
projects / ffmpeg / blobdiff