* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <inttypes.h>
+
#include "libavutil/avstring.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "avformat.h"
#include "internal.h"
-#include "riff.h"
+#include "rmsipr.h"
#include "rm.h"
-#define DEINT_ID_GENR MKTAG('g', 'e', 'n', 'r') ///< interleaving for Cooker/Atrac
+#define DEINT_ID_GENR MKTAG('g', 'e', 'n', 'r') ///< interleaving for Cooker/ATRAC
#define DEINT_ID_INT0 MKTAG('I', 'n', 't', '0') ///< no interleaving needed
#define DEINT_ID_INT4 MKTAG('I', 'n', 't', '4') ///< interleaving for 28.8
#define DEINT_ID_SIPR MKTAG('s', 'i', 'p', 'r') ///< interleaving for Sipro
int32_t deint_id; ///< deinterleaver used in audio stream
};
-typedef struct {
+typedef struct RMDemuxContext {
int nb_packets;
int old_format;
int current_stream;
int audio_pkt_cnt; ///< Output packet counter
} RMDemuxContext;
-static const unsigned char sipr_swaps[38][2] = {
- { 0, 63 }, { 1, 22 }, { 2, 44 }, { 3, 90 },
- { 5, 81 }, { 7, 31 }, { 8, 86 }, { 9, 58 },
- { 10, 36 }, { 12, 68 }, { 13, 39 }, { 14, 73 },
- { 15, 53 }, { 16, 69 }, { 17, 57 }, { 19, 88 },
- { 20, 34 }, { 21, 71 }, { 24, 46 }, { 25, 94 },
- { 26, 54 }, { 28, 75 }, { 29, 50 }, { 32, 70 },
- { 33, 92 }, { 35, 74 }, { 38, 85 }, { 40, 56 },
- { 42, 87 }, { 43, 65 }, { 45, 59 }, { 48, 79 },
- { 49, 93 }, { 51, 89 }, { 55, 95 }, { 61, 76 },
- { 67, 83 }, { 77, 80 }
-};
-
-const unsigned char ff_sipr_subpk_size[4] = { 29, 19, 37, 20 };
-
static inline void get_strl(AVIOContext *pb, char *buf, int buf_size, int len)
{
int i;
get_strl(pb, buf, buf_size, avio_r8(pb));
}
-static int rm_read_extradata(AVIOContext *pb, AVCodecContext *avctx, unsigned size)
+static int rm_read_extradata(AVIOContext *pb, AVCodecParameters *par, unsigned size)
{
if (size >= 1<<24)
return -1;
- avctx->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!avctx->extradata)
+ par->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!par->extradata)
return AVERROR(ENOMEM);
- avctx->extradata_size = avio_read(pb, avctx->extradata, size);
- memset(avctx->extradata + avctx->extradata_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
- if (avctx->extradata_size != size)
+ par->extradata_size = avio_read(pb, par->extradata, size);
+ if (par->extradata_size != size)
return AVERROR(EIO);
return 0;
}
-static void rm_read_metadata(AVFormatContext *s, int wide)
+static void rm_read_metadata(AVFormatContext *s, AVIOContext *pb, int wide)
{
char buf[1024];
int i;
for (i=0; i<FF_ARRAY_ELEMS(ff_rm_metadata); i++) {
- int len = wide ? avio_rb16(s->pb) : avio_r8(s->pb);
- get_strl(s->pb, buf, sizeof(buf), len);
+ int len = wide ? avio_rb16(pb) : avio_r8(pb);
+ get_strl(pb, buf, sizeof(buf), len);
av_dict_set(&s->metadata, ff_rm_metadata[i], buf, 0);
}
}
RMStream *ff_rm_alloc_rmstream (void)
{
RMStream *rms = av_mallocz(sizeof(RMStream));
+ if (!rms)
+ return NULL;
rms->curpic_num = -1;
return rms;
}
void ff_rm_free_rmstream (RMStream *rms)
{
- av_free_packet(&rms->pkt);
+ av_packet_unref(&rms->pkt);
}
static int rm_read_audio_stream_info(AVFormatContext *s, AVIOContext *pb,
int header_size = avio_rb16(pb);
int64_t startpos = avio_tell(pb);
avio_skip(pb, 14);
- rm_read_metadata(s, 0);
+ rm_read_metadata(s, pb, 0);
if ((startpos + header_size) >= avio_tell(pb) + 2) {
// fourcc (should always be "lpcJ")
avio_r8(pb);
// Skip extra header crap (this should never happen)
if ((startpos + header_size) > avio_tell(pb))
avio_skip(pb, header_size + startpos - avio_tell(pb));
- st->codec->sample_rate = 8000;
- st->codec->channels = 1;
- st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- st->codec->codec_id = CODEC_ID_RA_144;
+ st->codecpar->sample_rate = 8000;
+ st->codecpar->channels = 1;
+ st->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
+ st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codecpar->codec_id = AV_CODEC_ID_RA_144;
ast->deint_id = DEINT_ID_INT0;
} else {
int flavor, sub_packet_h, coded_framesize, sub_packet_size;
avio_rb32(pb); /* ??? */
avio_rb32(pb); /* ??? */
ast->sub_packet_h = sub_packet_h = avio_rb16(pb); /* 1 */
- st->codec->block_align= avio_rb16(pb); /* frame size */
+ st->codecpar->block_align= avio_rb16(pb); /* frame size */
ast->sub_packet_size = sub_packet_size = avio_rb16(pb); /* sub packet size */
avio_rb16(pb); /* ??? */
if (version == 5) {
avio_rb16(pb); avio_rb16(pb); avio_rb16(pb);
}
- st->codec->sample_rate = avio_rb16(pb);
+ st->codecpar->sample_rate = avio_rb16(pb);
avio_rb32(pb);
- st->codec->channels = avio_rb16(pb);
+ st->codecpar->channels = avio_rb16(pb);
if (version == 5) {
ast->deint_id = avio_rl32(pb);
avio_read(pb, buf, 4);
ast->deint_id = AV_RL32(buf);
get_str8(pb, buf, sizeof(buf)); /* desc */
}
- st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- st->codec->codec_tag = AV_RL32(buf);
- st->codec->codec_id = ff_codec_get_id(ff_rm_codec_tags,
- st->codec->codec_tag);
+ st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codecpar->codec_tag = AV_RL32(buf);
+ st->codecpar->codec_id = ff_codec_get_id(ff_rm_codec_tags,
+ st->codecpar->codec_tag);
- switch (st->codec->codec_id) {
- case CODEC_ID_AC3:
+ switch (st->codecpar->codec_id) {
+ case AV_CODEC_ID_AC3:
st->need_parsing = AVSTREAM_PARSE_FULL;
break;
- case CODEC_ID_RA_288:
- st->codec->extradata_size= 0;
- ast->audio_framesize = st->codec->block_align;
- st->codec->block_align = coded_framesize;
+ case AV_CODEC_ID_RA_288:
+ st->codecpar->extradata_size= 0;
+ ast->audio_framesize = st->codecpar->block_align;
+ st->codecpar->block_align = coded_framesize;
break;
- case CODEC_ID_COOK:
- case CODEC_ID_ATRAC3:
- case CODEC_ID_SIPR:
+ case AV_CODEC_ID_COOK:
+ st->need_parsing = AVSTREAM_PARSE_HEADERS;
+ case AV_CODEC_ID_ATRAC3:
+ case AV_CODEC_ID_SIPR:
avio_rb16(pb); avio_r8(pb);
if (version == 5)
avio_r8(pb);
codecdata_length = avio_rb32(pb);
- if(codecdata_length + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
+ if(codecdata_length + AV_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
av_log(s, AV_LOG_ERROR, "codecdata_length too large\n");
return -1;
}
- ast->audio_framesize = st->codec->block_align;
- if (st->codec->codec_id == CODEC_ID_SIPR) {
+ ast->audio_framesize = st->codecpar->block_align;
+ if (st->codecpar->codec_id == AV_CODEC_ID_SIPR) {
if (flavor > 3) {
av_log(s, AV_LOG_ERROR, "bad SIPR file flavor %d\n",
flavor);
return -1;
}
- st->codec->block_align = ff_sipr_subpk_size[flavor];
+ st->codecpar->block_align = ff_sipr_subpk_size[flavor];
} else {
if(sub_packet_size <= 0){
av_log(s, AV_LOG_ERROR, "sub_packet_size is invalid\n");
return -1;
}
- st->codec->block_align = ast->sub_packet_size;
+ st->codecpar->block_align = ast->sub_packet_size;
}
- if ((ret = rm_read_extradata(pb, st->codec, codecdata_length)) < 0)
+ if ((ret = rm_read_extradata(pb, st->codecpar, codecdata_length)) < 0)
return ret;
break;
- case CODEC_ID_AAC:
+ case AV_CODEC_ID_AAC:
avio_rb16(pb); avio_r8(pb);
if (version == 5)
avio_r8(pb);
codecdata_length = avio_rb32(pb);
- if(codecdata_length + FF_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
+ if(codecdata_length + AV_INPUT_BUFFER_PADDING_SIZE <= (unsigned)codecdata_length){
av_log(s, AV_LOG_ERROR, "codecdata_length too large\n");
return -1;
}
if (codecdata_length >= 1) {
avio_r8(pb);
- if ((ret = rm_read_extradata(pb, st->codec, codecdata_length - 1)) < 0)
+ if ((ret = rm_read_extradata(pb, st->codecpar, codecdata_length - 1)) < 0)
return ret;
}
break;
- default:
- av_strlcpy(st->codec->codec_name, buf, sizeof(st->codec->codec_name));
}
if (ast->deint_id == DEINT_ID_INT4 ||
ast->deint_id == DEINT_ID_GENR ||
ast->deint_id == DEINT_ID_SIPR) {
- if (st->codec->block_align <= 0 ||
+ if (st->codecpar->block_align <= 0 ||
ast->audio_framesize * sub_packet_h > (unsigned)INT_MAX ||
- ast->audio_framesize * sub_packet_h < st->codec->block_align)
+ ast->audio_framesize * sub_packet_h < st->codecpar->block_align)
return AVERROR_INVALIDDATA;
if (av_new_packet(&ast->pkt, ast->audio_framesize * sub_packet_h) < 0)
return AVERROR(ENOMEM);
case DEINT_ID_VBRF:
break;
default:
- av_log(NULL,0,"Unknown interleaver %X\n", ast->deint_id);
+ av_log(NULL, 0 ,"Unknown interleaver %"PRIX32"\n", ast->deint_id);
return AVERROR_INVALIDDATA;
}
avio_r8(pb);
avio_r8(pb);
avio_r8(pb);
- rm_read_metadata(s, 0);
+ rm_read_metadata(s, pb, 0);
}
}
return 0;
}
-int
-ff_rm_read_mdpr_codecdata (AVFormatContext *s, AVIOContext *pb,
- AVStream *st, RMStream *rst, int codec_data_size)
+int ff_rm_read_mdpr_codecdata(AVFormatContext *s, AVIOContext *pb,
+ AVStream *st, RMStream *rst,
+ unsigned int codec_data_size)
{
unsigned int v;
int size;
/* ra type header */
if (rm_read_audio_stream_info(s, pb, st, rst, 0))
return -1;
+ } else if (v == MKBETAG('L', 'S', 'D', ':')) {
+ avio_seek(pb, -4, SEEK_CUR);
+ if ((ret = rm_read_extradata(pb, st->codecpar, codec_data_size)) < 0)
+ return ret;
+
+ st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codecpar->codec_tag = AV_RL32(st->codecpar->extradata);
+ st->codecpar->codec_id = ff_codec_get_id(ff_rm_codec_tags,
+ st->codecpar->codec_tag);
} else {
int fps;
if (avio_rl32(pb) != MKTAG('V', 'I', 'D', 'O')) {
fail1:
- av_log(st->codec, AV_LOG_ERROR, "Unsupported video codec\n");
+ av_log(s, AV_LOG_WARNING, "Unsupported stream type %08x\n", v);
goto skip;
}
- st->codec->codec_tag = avio_rl32(pb);
- st->codec->codec_id = ff_codec_get_id(ff_rm_codec_tags,
- st->codec->codec_tag);
-// av_log(s, AV_LOG_DEBUG, "%X %X\n", st->codec->codec_tag, MKTAG('R', 'V', '2', '0'));
- if (st->codec->codec_id == CODEC_ID_NONE)
+ st->codecpar->codec_tag = avio_rl32(pb);
+ st->codecpar->codec_id = ff_codec_get_id(ff_rm_codec_tags,
+ st->codecpar->codec_tag);
+ av_log(s, AV_LOG_TRACE, "%"PRIX32" %X\n", st->codecpar->codec_tag, MKTAG('R', 'V', '2', '0'));
+ if (st->codecpar->codec_id == AV_CODEC_ID_NONE)
goto fail1;
- st->codec->width = avio_rb16(pb);
- st->codec->height = avio_rb16(pb);
+ st->codecpar->width = avio_rb16(pb);
+ st->codecpar->height = avio_rb16(pb);
avio_skip(pb, 2); // looks like bits per sample
avio_skip(pb, 4); // always zero?
- st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
+ st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
st->need_parsing = AVSTREAM_PARSE_TIMESTAMPS;
fps = avio_rb32(pb);
- if ((ret = rm_read_extradata(pb, st->codec, codec_data_size - (avio_tell(pb) - codec_pos))) < 0)
+ if ((ret = rm_read_extradata(pb, st->codecpar, codec_data_size - (avio_tell(pb) - codec_pos))) < 0)
return ret;
- av_reduce(&st->r_frame_rate.den, &st->r_frame_rate.num,
- 0x10000, fps, (1 << 30) - 1);
- st->avg_frame_rate = st->r_frame_rate;
+ if (fps > 0) {
+ av_reduce(&st->avg_frame_rate.den, &st->avg_frame_rate.num,
+ 0x10000, fps, (1 << 30) - 1);
+ } else if (s->error_recognition & AV_EF_EXPLODE) {
+ av_log(s, AV_LOG_ERROR, "Invalid framerate\n");
+ return AVERROR_INVALIDDATA;
+ }
}
skip:
if (!st)
return -1;
st->priv_data = ff_rm_alloc_rmstream();
+ if (!st->priv_data)
+ return AVERROR(ENOMEM);
return rm_read_audio_stream_info(s, s->pb, st, st->priv_data, 1);
}
tag = avio_rl32(pb);
tag_size = avio_rb32(pb);
avio_rb16(pb);
- av_dlog(s, "tag=%c%c%c%c (%08x) size=%d\n",
+ av_log(s, AV_LOG_TRACE, "tag=%c%c%c%c (%08x) size=%d\n",
(tag ) & 0xff,
(tag >> 8) & 0xff,
(tag >> 16) & 0xff,
flags = avio_rb16(pb); /* flags */
break;
case MKTAG('C', 'O', 'N', 'T'):
- rm_read_metadata(s, 1);
+ rm_read_metadata(s, pb, 1);
break;
case MKTAG('M', 'D', 'P', 'R'):
st = avformat_new_stream(s, NULL);
return AVERROR(ENOMEM);
st->id = avio_rb16(pb);
avio_rb32(pb); /* max bit rate */
- st->codec->bit_rate = avio_rb32(pb); /* bit rate */
+ st->codecpar->bit_rate = avio_rb32(pb); /* bit rate */
avio_rb32(pb); /* max packet size */
avio_rb32(pb); /* avg packet size */
start_time = avio_rb32(pb); /* start time */
st->duration = duration;
get_str8(pb, buf, sizeof(buf)); /* desc */
get_str8(pb, buf, sizeof(buf)); /* mimetype */
- st->codec->codec_type = AVMEDIA_TYPE_DATA;
+ st->codecpar->codec_type = AVMEDIA_TYPE_DATA;
st->priv_data = ff_rm_alloc_rmstream();
+ if (!st->priv_data)
+ return AVERROR(ENOMEM);
if (ff_rm_read_mdpr_codecdata(s, s->pb, st, st->priv_data,
avio_rb32(pb)) < 0)
return -1;
if (!data_off)
data_off = avio_tell(pb) - 18;
- if (indx_off && pb->seekable && !(s->flags & AVFMT_FLAG_IGNIDX) &&
+ if (indx_off && (pb->seekable & AVIO_SEEKABLE_NORMAL) &&
+ !(s->flags & AVFMT_FLAG_IGNIDX) &&
avio_seek(pb, indx_off, SEEK_SET) >= 0) {
rm_read_index(s);
avio_seek(pb, data_off + 18, SEEK_SET);
if((seq & 0x7F) == 1 || vst->curpic_num != pic_num){
vst->slices = ((hdr & 0x3F) << 1) + 1;
vst->videobufsize = len2 + 8*vst->slices + 1;
- av_free_packet(&vst->pkt); //FIXME this should be output.
+ av_packet_unref(&vst->pkt); //FIXME this should be output.
if(av_new_packet(&vst->pkt, vst->videobufsize) < 0)
return AVERROR(ENOMEM);
vst->videobufpos = 8*vst->slices + 1;
*pkt= vst->pkt;
vst->pkt.data= NULL;
vst->pkt.size= 0;
+ vst->pkt.buf = NULL;
if(vst->slices != vst->cur_slice) //FIXME find out how to set slices correct from the begin
memmove(pkt->data + 1 + 8*vst->cur_slice, pkt->data + 1 + 8*vst->slices,
vst->videobufpos - 1 - 8*vst->slices);
uint8_t *ptr;
int j;
- if (st->codec->codec_id == CODEC_ID_AC3) {
+ if (st->codecpar->codec_id == AV_CODEC_ID_AC3) {
ptr = pkt->data;
for (j=0;j<pkt->size;j+=2) {
FFSWAP(int, ptr[0], ptr[1]);
}
}
-/**
- * Perform 4-bit block reordering for SIPR data.
- * @todo This can be optimized, e.g. use memcpy() if data blocks are aligned
- */
-void ff_rm_reorder_sipr_data(uint8_t *buf, int sub_packet_h, int framesize)
-{
- int n, bs = sub_packet_h * framesize * 2 / 96; // nibbles per subpacket
-
- for (n = 0; n < 38; n++) {
- int j;
- int i = bs * sipr_swaps[n][0];
- int o = bs * sipr_swaps[n][1];
-
- /* swap 4bit-nibbles of block 'i' with 'o' */
- for (j = 0; j < bs; j++, i++, o++) {
- int x = (buf[i >> 1] >> (4 * (i & 1))) & 0xF,
- y = (buf[o >> 1] >> (4 * (o & 1))) & 0xF;
-
- buf[o >> 1] = (x << (4 * (o & 1))) |
- (buf[o >> 1] & (0xF << (4 * !(o & 1))));
- buf[i >> 1] = (y << (4 * (i & 1))) |
- (buf[i >> 1] & (0xF << (4 * !(i & 1))));
- }
- }
-}
-
int
ff_rm_parse_packet (AVFormatContext *s, AVIOContext *pb,
AVStream *st, RMStream *ast, int len, AVPacket *pkt,
{
RMDemuxContext *rm = s->priv_data;
- if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
rm->current_stream= st->id;
if(rm_assemble_video_frame(s, pb, rm, ast, pkt, len, seq, ×tamp))
return -1; //got partial frame
- } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
if ((ast->deint_id == DEINT_ID_GENR) ||
(ast->deint_id == DEINT_ID_INT4) ||
(ast->deint_id == DEINT_ID_SIPR)) {
ast->sub_packet_cnt = 0;
rm->audio_stream_num = st->index;
- rm->audio_pkt_cnt = h * w / st->codec->block_align;
+ rm->audio_pkt_cnt = h * w / st->codecpar->block_align;
} else if ((ast->deint_id == DEINT_ID_VBRF) ||
(ast->deint_id == DEINT_ID_VBRS)) {
int x;
pkt->stream_index = st->index;
-#if 0
- if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- if(st->codec->codec_id == CODEC_ID_RV20){
- int seq= 128*(pkt->data[2]&0x7F) + (pkt->data[3]>>1);
- av_log(s, AV_LOG_DEBUG, "%d %"PRId64" %d\n", *timestamp, *timestamp*512LL/25, seq);
-
- seq |= (timestamp&~0x3FFF);
- if(seq - timestamp > 0x2000) seq -= 0x4000;
- if(seq - timestamp < -0x2000) seq += 0x4000;
- }
- }
-#endif
-
pkt->pts = timestamp;
if (flags & 2)
pkt->flags |= AV_PKT_FLAG_KEY;
- return st->codec->codec_type == AVMEDIA_TYPE_AUDIO ? rm->audio_pkt_cnt : 0;
+ return st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ? rm->audio_pkt_cnt : 0;
}
int
ast->deint_id == DEINT_ID_VBRS)
av_get_packet(pb, pkt, ast->sub_packet_lengths[ast->sub_packet_cnt - rm->audio_pkt_cnt]);
else {
- av_new_packet(pkt, st->codec->block_align);
- memcpy(pkt->data, ast->pkt.data + st->codec->block_align * //FIXME avoid this
- (ast->sub_packet_h * ast->audio_framesize / st->codec->block_align - rm->audio_pkt_cnt),
- st->codec->block_align);
+ int ret = av_new_packet(pkt, st->codecpar->block_align);
+ if (ret < 0)
+ return ret;
+ memcpy(pkt->data, ast->pkt.data + st->codecpar->block_align * //FIXME avoid this
+ (ast->sub_packet_h * ast->audio_framesize / st->codecpar->block_align - rm->audio_pkt_cnt),
+ st->codecpar->block_align);
}
rm->audio_pkt_cnt--;
if ((pkt->pts = ast->audiotimestamp) != AV_NOPTS_VALUE) {
st = s->streams[i];
}
- if(len<0 || s->pb->eof_reached)
+ if (len <= 0 || s->pb->eof_reached)
return AVERROR(EIO);
res = ff_rm_parse_packet (s, s->pb, st, st->priv_data, len, pkt,
if( (st->discard >= AVDISCARD_NONKEY && !(flags&2))
|| st->discard >= AVDISCARD_ALL){
- av_free_packet(pkt);
+ av_packet_unref(pkt);
} else
break;
}
return AV_NOPTS_VALUE;
st = s->streams[stream_index2];
- if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
h= avio_r8(s->pb); len--;
if(!(h & 0x40)){
seq = avio_r8(s->pb); len--;
}
if((flags&2) && (seq&0x7F) == 1){
-// av_log(s, AV_LOG_DEBUG, "%d %d-%d %"PRId64" %d\n", flags, stream_index2, stream_index, dts, seq);
+ av_log(s, AV_LOG_TRACE, "%d %d-%d %"PRId64" %d\n",
+ flags, stream_index2, stream_index, dts, seq);
av_add_index_entry(st, pos, dts, 0, 0, AVINDEX_KEYFRAME);
if(stream_index2 == stream_index)
break;
AVInputFormat ff_rm_demuxer = {
.name = "rm",
- .long_name = NULL_IF_CONFIG_SMALL("RealMedia format"),
+ .long_name = NULL_IF_CONFIG_SMALL("RealMedia"),
.priv_data_size = sizeof(RMDemuxContext),
.read_probe = rm_probe,
.read_header = rm_read_header,
projects / ffmpeg / blobdiff