* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "config_components.h"
+
#include <string.h>
#include "libavutil/avstring.h"
#include "libavutil/base64.h"
#include "avformat.h"
#include "internal.h"
#include "avc.h"
+#include "hevc.h"
#include "rtp.h"
+#include "version.h"
#if CONFIG_NETWORK
#include "network.h"
#endif
*ttl = 0;
- if (strcmp(proto, "rtp")) {
+ 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.
*/
}
#define MAX_PSET_SIZE 1024
-static char *extradata2psets(AVCodecContext *c)
+static int extradata2psets(AVFormatContext *s, const AVCodecParameters *par,
+ char **out)
{
char *psets, *p;
const uint8_t *r;
static const char pset_string[] = "; sprop-parameter-sets=";
static const char profile_string[] = "; profile-level-id=";
- uint8_t *orig_extradata = NULL;
- int orig_extradata_size = 0;
+ 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");
+ *out = NULL;
- return NULL;
+ if (par->extradata_size > MAX_EXTRADATA_SIZE) {
+ av_log(s, AV_LOG_ERROR, "Too much extradata!\n");
+ return AVERROR_INVALIDDATA;
}
- if (c->extradata[0] == 1) {
- uint8_t *dummy_p;
- int dummy_int;
- AVBitStreamFilterContext *bsfc= av_bitstream_filter_init("h264_mp4toannexb");
-
- if (!bsfc) {
- av_log(c, AV_LOG_ERROR, "Cannot open the h264_mp4toannexb BSF!\n");
-
- return NULL;
- }
+ if (par->extradata[0] == 1) {
+ int ret = ff_avc_write_annexb_extradata(par->extradata, &extradata,
+ &extradata_size);
+ if (ret < 0)
+ return ret;
- orig_extradata_size = c->extradata_size;
- orig_extradata = av_mallocz(orig_extradata_size +
- FF_INPUT_BUFFER_PADDING_SIZE);
- if (!orig_extradata) {
- av_bitstream_filter_close(bsfc);
- return NULL;
- }
- memcpy(orig_extradata, c->extradata, orig_extradata_size);
- av_bitstream_filter_filter(bsfc, c, NULL, &dummy_p, &dummy_int, NULL, 0, 0);
- av_bitstream_filter_close(bsfc);
+ 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");
- av_free(orig_extradata);
- return NULL;
+ if (!psets) {
+ av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the parameter sets.\n");
+ av_free(tmpbuf);
+ return AVERROR(ENOMEM);
}
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;
sps = r;
sps_end = r1;
}
- 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 (!av_base64_encode(p, MAX_PSET_SIZE - (p - psets), r, r1 - r)) {
+ av_log(s, AV_LOG_ERROR, "Cannot Base64-encode %"PTRDIFF_SPECIFIER" %"PTRDIFF_SPECIFIER"!\n",
+ MAX_PSET_SIZE - (p - psets), r1 - r);
av_free(psets);
+ av_free(tmpbuf);
- return NULL;
+ return AVERROR_INVALIDDATA;
}
p += strlen(p);
r = r1;
}
- if (sps && sps_end - sps >= 4) {
+ if (sps && sps_end - sps >= 4 && p - psets <= MAX_PSET_SIZE - strlen(profile_string) - 7) {
memcpy(p, profile_string, strlen(profile_string));
p += strlen(p);
ff_data_to_hex(p, sps + 1, 3, 0);
- p[6] = '\0';
}
- if (orig_extradata) {
- av_free(c->extradata);
- c->extradata = orig_extradata;
- c->extradata_size = orig_extradata_size;
+ av_free(tmpbuf);
+
+ *out = psets;
+ return 0;
+}
+
+static int extradata2psets_hevc(const AVCodecParameters *par, char **out)
+{
+ 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, ret = 0;
+
+ *out = NULL;
+
+ // 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;
+
+ ret = avio_open_dyn_buf(&pb);
+ if (ret < 0)
+ return ret;
+
+ ret = ff_isom_write_hvcc(pb, par->extradata, par->extradata_size, 0);
+ if (ret < 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;
- return psets;
+ psets = av_mallocz(MAX_PSET_SIZE);
+ if (!psets) {
+ ret = AVERROR(ENOMEM);
+ 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);
+
+ *out = psets;
+ return 0;
+err:
+ if (ret >= 0)
+ ret = AVERROR_INVALIDDATA;
+ av_free(tmpbuf);
+ return ret;
}
-static char *extradata2config(AVCodecContext *c)
+static int extradata2config(AVFormatContext *s, const AVCodecParameters *par,
+ char **out)
{
char *config;
- if (c->extradata_size > MAX_EXTRADATA_SIZE) {
- av_log(c, AV_LOG_ERROR, "Too much extradata!\n");
+ *out = NULL;
- return NULL;
+ if (par->extradata_size > MAX_EXTRADATA_SIZE) {
+ av_log(s, AV_LOG_ERROR, "Too much extradata!\n");
+ return AVERROR_INVALIDDATA;
}
- 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");
- return NULL;
+ 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 AVERROR(ENOMEM);
}
memcpy(config, "; config=", 9);
- ff_data_to_hex(config + 9, c->extradata, c->extradata_size, 0);
- config[9 + c->extradata_size * 2] = 0;
+ ff_data_to_hex(config + 9, par->extradata, par->extradata_size, 0);
- return config;
+ *out = config;
+ return 0;
}
-static char *xiph_extradata2config(AVCodecContext *c)
+static int xiph_extradata2config(AVFormatContext *s, const AVCodecParameters *par,
+ char **out)
{
- char *config, *encoded_config;
- uint8_t *header_start[3];
+ uint8_t *config;
+ char *encoded_config;
+ const uint8_t *header_start[3];
int headers_len, header_len[3], config_len;
- int first_header_size;
+ int first_header_size, ret;
- switch (c->codec_id) {
+ *out = NULL;
+
+ switch (par->codec_id) {
case AV_CODEC_ID_THEORA:
first_header_size = 42;
break;
first_header_size = 30;
break;
default:
- av_log(c, AV_LOG_ERROR, "Unsupported Xiph codec ID\n");
- return NULL;
+ av_log(s, AV_LOG_ERROR, "Unsupported Xiph codec ID\n");
+ return AVERROR(ENOSYS);
}
- if (avpriv_split_xiph_headers(c->extradata, c->extradata_size,
- first_header_size, header_start,
- header_len) < 0) {
- av_log(c, AV_LOG_ERROR, "Extradata corrupt.\n");
- return NULL;
+ ret = avpriv_split_xiph_headers(par->extradata, par->extradata_size,
+ first_header_size, header_start,
+ header_len);
+ if (ret < 0) {
+ av_log(s, AV_LOG_ERROR, "Extradata corrupt.\n");
+ return ret;
}
headers_len = header_len[0] + header_len[2];
config, config_len);
av_free(config);
- return encoded_config;
+ *out = encoded_config;
+ return 0;
xiph_fail:
- av_log(c, AV_LOG_ERROR,
+ av_log(s, AV_LOG_ERROR,
"Not enough memory for configuration string\n");
- return NULL;
+ return AVERROR(ENOMEM);
}
-static int latm_context2profilelevel(AVCodecContext *c)
+static int latm_context2profilelevel(const AVCodecParameters *par)
{
/* MP4A-LATM
* The RTP payload format specification is described in RFC 3016
/* TODO: AAC Profile only supports AAC LC Object Type.
* Different Object Types should implement different Profile Levels */
- if (c->sample_rate <= 24000) {
- if (c->channels <= 2)
+ if (par->sample_rate <= 24000) {
+ if (par->ch_layout.nb_channels <= 2)
profile_level = 0x28; // AAC Profile, Level 1
- } else if (c->sample_rate <= 48000) {
- if (c->channels <= 2) {
+ } else if (par->sample_rate <= 48000) {
+ if (par->ch_layout.nb_channels <= 2) {
profile_level = 0x29; // AAC Profile, Level 2
- } else if (c->channels <= 5) {
+ } else if (par->ch_layout.nb_channels <= 5) {
profile_level = 0x2A; // AAC Profile, Level 4
}
- } else if (c->sample_rate <= 96000) {
- if (c->channels <= 5) {
+ } else if (par->sample_rate <= 96000) {
+ if (par->ch_layout.nb_channels <= 5) {
profile_level = 0x2B; // AAC Profile, Level 5
}
}
return profile_level;
}
-static char *latm_context2config(AVCodecContext *c)
+static int latm_context2config(AVFormatContext *s, const AVCodecParameters *par,
+ char **out)
{
/* MP4A-LATM
* The RTP payload format specification is described in RFC 3016
int rate_index;
char *config;
+ *out = NULL;
+
for (rate_index = 0; rate_index < 16; rate_index++)
- if (avpriv_mpeg4audio_sample_rates[rate_index] == c->sample_rate)
+ if (ff_mpeg4audio_sample_rates[rate_index] == par->sample_rate)
break;
if (rate_index == 16) {
- av_log(c, AV_LOG_ERROR, "Unsupported sample rate\n");
- return NULL;
+ av_log(s, AV_LOG_ERROR, "Unsupported sample rate\n");
+ return AVERROR(ENOSYS);
}
config_byte[0] = 0x40;
config_byte[1] = 0;
config_byte[2] = 0x20 | rate_index;
- config_byte[3] = c->channels << 4;
+ config_byte[3] = par->ch_layout.nb_channels << 4;
config_byte[4] = 0x3f;
config_byte[5] = 0xc0;
config = av_malloc(6*2+1);
if (!config) {
- av_log(c, AV_LOG_ERROR, "Cannot allocate memory for the config info.\n");
- return NULL;
+ av_log(s, AV_LOG_ERROR, "Cannot allocate memory for the config info.\n");
+ return AVERROR(ENOMEM);
}
ff_data_to_hex(config, config_byte, 6, 1);
- config[12] = 0;
- return config;
+ *out = config;
+ return 0;
}
-static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c, int payload_type, AVFormatContext *fmt)
+static int sdp_write_media_attributes(char *buff, int size, const AVStream *st,
+ int payload_type, AVFormatContext *fmt)
{
char *config = NULL;
+ const AVCodecParameters *p = st->codecpar;
+ int ret = 0;
- switch (c->codec_id) {
- case AV_CODEC_ID_H264: {
- int mode = 1;
- if (fmt && fmt->oformat->priv_class &&
- av_opt_flag_is_set(fmt->priv_data, "rtpflags", "h264_mode0"))
- mode = 0;
- if (c->extradata_size) {
- config = extradata2psets(c);
- }
- av_strlcatf(buff, size, "a=rtpmap:%d H264/90000\r\n"
- "a=fmtp:%d packetization-mode=%d%s\r\n",
- payload_type,
- payload_type, mode, config ? config : "");
- break;
+ switch (p->codec_id) {
+ case AV_CODEC_ID_DIRAC:
+ av_strlcatf(buff, size, "a=rtpmap:%d VC2/90000\r\n", payload_type);
+ break;
+ 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) {
+ ret = extradata2psets(fmt, p, &config);
+ if (ret < 0)
+ return ret;
}
- 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") ||
- c->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, c->width, c->height);
- break;
- case AV_CODEC_ID_MPEG4:
- if (c->extradata_size) {
- config = extradata2config(c);
- }
- 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 AV_CODEC_ID_AAC:
- if (fmt && fmt->oformat && fmt->oformat->priv_class &&
- av_opt_flag_is_set(fmt->priv_data, "rtpflags", "latm")) {
- config = latm_context2config(c);
- 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, c->sample_rate, c->channels,
- payload_type, latm_context2profilelevel(c), config);
+ av_strlcatf(buff, size, "a=rtpmap:%d H264/90000\r\n"
+ "a=fmtp:%d packetization-mode=%d%s\r\n",
+ payload_type,
+ 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 AV_CODEC_ID_HEVC:
+ if (p->extradata_size) {
+ ret = extradata2psets_hevc(p, &config);
+ if (ret < 0)
+ return ret;
+ }
+ 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 AV_CODEC_ID_MPEG4:
+ if (p->extradata_size) {
+ ret = extradata2config(fmt, p, &config);
+ if (ret < 0)
+ return ret;
+ }
+ 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 AV_CODEC_ID_AAC:
+ if (fmt && fmt->oformat && fmt->oformat->priv_class &&
+ av_opt_flag_is_set(fmt->priv_data, "rtpflags", "latm")) {
+ ret = latm_context2config(fmt, p, &config);
+ if (ret < 0)
+ return ret;
+ 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->ch_layout.nb_channels,
+ payload_type, latm_context2profilelevel(p), config);
+ } else {
+ if (p->extradata_size) {
+ ret = extradata2config(fmt, p, &config);
+ if (ret < 0)
+ return ret;
} else {
- if (c->extradata_size) {
- config = extradata2config(c);
- } 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 (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);
+ /* 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 AVERROR(ENOSYS);
}
+ 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->ch_layout.nb_channels,
+ payload_type, config);
+ }
+ break;
+ 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,
+ p->sample_rate, p->ch_layout.nb_channels);
+ break;
+ case AV_CODEC_ID_PCM_S24BE:
+ if (payload_type >= RTP_PT_PRIVATE)
+ av_strlcatf(buff, size, "a=rtpmap:%d L24/%d/%d\r\n",
+ payload_type,
+ p->sample_rate, p->ch_layout.nb_channels);
+ break;
+ 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,
+ p->sample_rate, p->ch_layout.nb_channels);
+ break;
+ 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,
+ p->sample_rate, p->ch_layout.nb_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->ch_layout.nb_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->ch_layout.nb_channels,
+ payload_type);
+ break;
+ case AV_CODEC_ID_VORBIS:
+ if (p->extradata_size)
+ ret = xiph_extradata2config(fmt, p, &config);
+ else {
+ av_log(fmt, AV_LOG_ERROR, "Vorbis configuration info missing\n");
+ ret = AVERROR_INVALIDDATA;
+ }
+ if (ret < 0)
+ return ret;
+
+ 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->ch_layout.nb_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_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);
- break;
- 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);
- break;
- 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);
- 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, c->sample_rate, c->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, c->sample_rate, c->channels,
- payload_type);
+ case AV_PIX_FMT_YUV422P:
+ pix_fmt = "YCbCr-4:2:2";
break;
- case AV_CODEC_ID_VORBIS:
- if (c->extradata_size)
- config = xiph_extradata2config(c);
- else
- av_log(c, 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, c->sample_rate, c->channels,
- payload_type, config);
+ case AV_PIX_FMT_YUV444P:
+ pix_fmt = "YCbCr-4:4:4";
break;
- case AV_CODEC_ID_THEORA: {
- const char *pix_fmt;
- if (c->extradata_size)
- config = xiph_extradata2config(c);
- else
- av_log(c, AV_LOG_ERROR, "Theora configuation info missing\n");
- if (!config)
- return NULL;
-
- switch (c->pix_fmt) {
- case PIX_FMT_YUV420P:
- pix_fmt = "YCbCr-4:2:0";
- break;
- case PIX_FMT_YUV422P:
- pix_fmt = "YCbCr-4:2:2";
- break;
- case PIX_FMT_YUV444P:
- pix_fmt = "YCbCr-4:4:4";
- break;
- default:
- av_log(c, AV_LOG_ERROR, "Unsupported pixel format.\n");
- return NULL;
- }
+ default:
+ av_log(fmt, AV_LOG_ERROR, "Unsupported pixel format.\n");
+ return AVERROR(ENOSYS);
+ }
- 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,
- c->width, c->height, pix_fmt, config);
- break;
+ if (p->extradata_size)
+ ret = xiph_extradata2config(fmt, p, &config);
+ else {
+ av_log(fmt, AV_LOG_ERROR, "Theora configuration info missing\n");
+ ret = AVERROR_INVALIDDATA;
}
- 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);
+ if (ret < 0)
+ return ret;
+
+ 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_BITPACKED:
+ case AV_CODEC_ID_RAWVIDEO: {
+ const char *pix_fmt;
+ int bit_depth = 8;
+
+ switch (p->format) {
+ case AV_PIX_FMT_UYVY422:
+ pix_fmt = "YCbCr-4:2:2";
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, c->channels);
+ case AV_PIX_FMT_YUV422P10:
+ pix_fmt = "YCbCr-4:2:2";
+ bit_depth = 10;
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,
- c->bits_per_coded_sample*8,
- c->sample_rate);
+ case AV_PIX_FMT_YUV420P:
+ pix_fmt = "YCbCr-4:2:0";
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, c->sample_rate,
- payload_type, c->block_align == 38 ? 20 : 30);
+ case AV_PIX_FMT_RGB24:
+ pix_fmt = "RGB";
break;
- case AV_CODEC_ID_SPEEX:
- av_strlcatf(buff, size, "a=rtpmap:%d speex/%d\r\n",
- payload_type, c->sample_rate);
+ case AV_PIX_FMT_BGR24:
+ pix_fmt = "BGR";
break;
default:
- /* Nothing special to do here... */
- break;
+ av_log(fmt, AV_LOG_ERROR, "Unsupported pixel format.\n");
+ return AVERROR(ENOSYS);
+ }
+
+ av_strlcatf(buff, size, "a=rtpmap:%d raw/90000\r\n"
+ "a=fmtp:%d sampling=%s; "
+ "width=%d; height=%d; "
+ "depth=%d",
+ payload_type, payload_type,
+ pix_fmt, p->width, p->height, bit_depth);
+ if (p->field_order != AV_FIELD_PROGRESSIVE)
+ av_strlcatf(buff, size, "; interlace");
+ av_strlcatf(buff, size, "\r\n");
+ break;
+ }
+
+ case AV_CODEC_ID_VP8:
+ av_strlcatf(buff, size, "a=rtpmap:%d VP8/90000\r\n",
+ payload_type);
+ break;
+ case AV_CODEC_ID_VP9:
+ av_strlcatf(buff, size, "a=rtpmap:%d VP9/90000\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->ch_layout.nb_channels);
+ break;
+ case AV_CODEC_ID_ADPCM_G726: {
+ if (payload_type >= RTP_PT_PRIVATE)
+ av_strlcatf(buff, size, "a=rtpmap:%d AAL2-G726-%d/%d\r\n",
+ payload_type,
+ p->bits_per_coded_sample*8,
+ p->sample_rate);
+ break;
+ }
+ case AV_CODEC_ID_ADPCM_G726LE: {
+ 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->ch_layout.nb_channels == 2) {
+ av_strlcatf(buff, size, "a=fmtp:%d sprop-stereo=1\r\n",
+ payload_type);
+ }
+ break;
+ default:
+ /* Nothing special to do here... */
+ break;
}
av_free(config);
- return buff;
+ return 0;
}
-void ff_sdp_write_media(char *buff, int size, AVCodecContext *c, const char *dest_addr, const char *dest_type, int port, int ttl, AVFormatContext *fmt)
+int ff_sdp_write_media(char *buff, int size, const AVStream *st, int idx,
+ const char *dest_addr, const char *dest_type,
+ int port, int ttl, AVFormatContext *fmt)
{
+ const AVCodecParameters *p = st->codecpar;
const char *type;
int payload_type;
- payload_type = ff_rtp_get_payload_type(fmt, c);
+ payload_type = ff_rtp_get_payload_type(fmt, st->codecpar, idx);
- switch (c->codec_type) {
+ 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;
av_strlcatf(buff, size, "m=%s %d RTP/AVP %d\r\n", type, port, payload_type);
sdp_write_address(buff, size, dest_addr, dest_type, ttl);
- if (c->bit_rate) {
- av_strlcatf(buff, size, "b=AS:%d\r\n", c->bit_rate / 1000);
+ if (p->bit_rate) {
+ av_strlcatf(buff, size, "b=AS:%"PRId64"\r\n", p->bit_rate / 1000);
}
- sdp_write_media_attributes(buff, size, c, payload_type, fmt);
+ return sdp_write_media_attributes(buff, size, st, payload_type, fmt);
}
int av_sdp_create(AVFormatContext *ac[], int n_files, char *buf, int size)
{
AVDictionaryEntry *title = av_dict_get(ac[0]->metadata, "title", NULL, 0);
struct sdp_session_level s = { 0 };
- int i, j, port, ttl, is_multicast;
+ int i, j, port, ttl, is_multicast, index = 0;
char dst[32], dst_type[5];
memset(buf, 0, size);
port = 0;
ttl = 0;
if (n_files == 1) {
- port = sdp_get_address(dst, sizeof(dst), &ttl, ac[0]->filename);
+ port = sdp_get_address(dst, sizeof(dst), &ttl, ac[0]->url ? ac[0]->url : "");
is_multicast = resolve_destination(dst, sizeof(dst), dst_type,
sizeof(dst_type));
if (!is_multicast)
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);
+ port = sdp_get_address(dst, sizeof(dst), &ttl, ac[i]->url ? ac[i]->url : "");
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++) {
- ff_sdp_write_media(buf, size,
- ac[i]->streams[j]->codec, dst[0] ? dst : NULL,
- dst_type, (port > 0) ? port + j * 2 : 0, ttl,
- ac[i]);
+ int ret = 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 (ret < 0)
+ return ret;
+
if (port <= 0) {
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 AVERROR(ENOSYS);
}
-void ff_sdp_write_media(char *buff, int size, AVCodecContext *c, const char *dest_addr, const char *dest_type, int port, int ttl, AVFormatContext *fmt)
+int ff_sdp_write_media(char *buff, int size, const AVStream *st, int idx,
+ const char *dest_addr, const char *dest_type,
+ int port, int ttl, AVFormatContext *fmt)
{
+ return AVERROR(ENOSYS);
}
#endif