converted to new API

Originally committed as revision 547 to svn://svn.ffmpeg.org/ffmpeg/trunk

libav/Makefile

@@ -5,10 +5,13 @@ PWD=$(shell pwd)
 
 CFLAGS= $(OPTFLAGS) -Wall -g -I.. -I$(SRC_PATH) -I$(SRC_PATH)/libavcodec -DHAVE_AV_CONFIG_H
 
-OBJS= rm.o mpeg.o asf.o avienc.o jpeg.o swf.o wav.o raw.o \
-	 avidec.o ffm.o \
-	 avio.o aviobuf.o utils.o \
-	 file.o img.o au.o gif.o mov.o crc.o
+OBJS= utils.o 
+
+# mux and demuxes
+OBJS+=mpeg.o mpegts.o ffm.o crc.o img.o raw.o rm.o asf.o \
+      avienc.o avidec.o wav.o swf.o au.o gif.o mov.o jpeg.o
+# file I/O
+OBJS+= avio.o aviobuf.o file.o 
 
 ifeq ($(CONFIG_GRAB),yes)
 OBJS+= grab.o audio.o 

libav/asf.c

@@ -420,12 +420,7 @@ static int asf_write_header1(AVFormatContext *s, INT64 file_size, INT64 data_chu
 
 static int asf_write_header(AVFormatContext *s)
 {
-    ASFContext *asf;
-
-    asf = av_mallocz(sizeof(ASFContext));
-    if (!asf)
-        return -1;
-    s->priv_data = asf;
+    ASFContext *asf = s->priv_data;
 
     asf->packet_size = PACKET_SIZE;
     asf->nb_packets = 0;
@@ -614,8 +609,6 @@ static int asf_write_trailer(AVFormatContext *s)
     }
 
     put_flush_packet(&s->pb);
-
-    av_free(asf);
     return 0;
 }
 
@@ -679,9 +672,34 @@ static void get_str16_nolen(ByteIOContext *pb, int len, char *buf, int buf_size)
     *q = '\0';
 }
 
+static int asf_probe(AVProbeData *pd)
+{
+    GUID g;
+    const unsigned char *p;
+    int i;
+
+    /* check file header */
+    if (pd->buf_size <= 32)
+        return 0;
+    p = pd->buf;
+    g.v1 = p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
+    p += 4;
+    g.v2 = p[0] | (p[1] << 8);
+    p += 2;
+    g.v3 = p[0] | (p[1] << 8);
+    p += 2;
+    for(i=0;i<8;i++)
+        g.v4[i] = *p++;
+
+    if (!memcmp(&g, &asf_header, sizeof(GUID)))
+        return AVPROBE_SCORE_MAX;
+    else
+        return 0;
+}
+
 static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
 {
-    ASFContext *asf;
+    ASFContext *asf = s->priv_data;
     GUID g;
     ByteIOContext *pb = &s->pb;
     AVStream *st;
@@ -689,11 +707,6 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap)
     int size, i, bps;
     INT64 gsize;
 
-    asf = av_mallocz(sizeof(ASFContext));
-    if (!asf)
-        return -1;
-    s->priv_data = asf;
-
     get_guid(pb, &g);
     if (memcmp(&g, &asf_header, sizeof(GUID)))
         goto fail;
@@ -1015,11 +1028,22 @@ static int asf_read_close(AVFormatContext *s)
     return 0;
 }
 
-AVFormat asf_format = {
+AVInputFormat asf_iformat = {
+    "asf",
+    "asf format",
+    sizeof(ASFContext),
+    asf_probe,
+    asf_read_header,
+    asf_read_packet,
+    asf_read_close,
+};
+
+AVOutputFormat asf_oformat = {
     "asf",
     "asf format",
     "application/octet-stream",
     "asf,wmv",
+    sizeof(ASFContext),
 #ifdef CONFIG_MP3LAME
     CODEC_ID_MP3LAME,
 #else
@@ -1029,8 +1053,11 @@ AVFormat asf_format = {
     asf_write_header,
     asf_write_packet,
     asf_write_trailer,
-
-    asf_read_header,
-    asf_read_packet,
-    asf_read_close,
 };
+
+int asf_init(void)
+{
+    av_register_input_format(&asf_iformat);
+    av_register_output_format(&asf_oformat);
+    return 0;
+}

libav/au.c

@@ -99,6 +99,18 @@ static int au_write_trailer(AVFormatContext *s)
     return 0;
 }
 
+static int au_probe(AVProbeData *p)
+{
+    /* check file header */
+    if (p->buf_size <= 24)
+        return 0;
+    if (p->buf[0] == '.' && p->buf[1] == 's' &&
+        p->buf[2] == 'n' && p->buf[3] == 'd')
+        return AVPROBE_SCORE_MAX;
+    else
+        return 0;
+}
+
 /* au input */
 static int au_read_header(AVFormatContext *s,
                            AVFormatParameters *ap)
@@ -175,18 +187,32 @@ static int au_read_close(AVFormatContext *s)
     return 0;
 }
 
-AVFormat au_format = {
+static AVInputFormat au_iformat = {
+    "au",
+    "SUN AU Format",
+    0,
+    au_probe,
+    au_read_header,
+    au_read_packet,
+    au_read_close,
+};
+
+static AVOutputFormat au_oformat = {
     "au",
     "SUN AU Format",
     "audio/basic",
     "au",
+    0,
     CODEC_ID_PCM_S16BE,
     CODEC_ID_NONE,
     au_write_header,
     au_write_packet,
     au_write_trailer,
-
-    au_read_header,
-    au_read_packet,
-    au_read_close,
 };
+
+int au_init(void)
+{
+    av_register_input_format(&au_iformat);
+    av_register_output_format(&au_oformat);
+    return 0;
+}

libav/audio.c

@@ -147,21 +147,15 @@ static int audio_close(AudioData *s)
 /* sound output support */
 static int audio_write_header(AVFormatContext *s1)
 {
-    AudioData *s;
+    AudioData *s = s1->priv_data;
     AVStream *st;
     int ret;
 
-    s = av_mallocz(sizeof(AudioData));
-    if (!s)
-        return -ENOMEM;
-    s1->priv_data = s;
-
     st = s1->streams[0];
     s->sample_rate = st->codec.sample_rate;
     s->channels = st->codec.channels;
     ret = audio_open(s, 1);
     if (ret < 0) {
-        av_free(s);
         return -EIO;
     } else {
         return 0;
@@ -201,7 +195,6 @@ static int audio_write_trailer(AVFormatContext *s1)
     AudioData *s = s1->priv_data;
 
     audio_close(s);
-    av_free(s);
     return 0;
 }
 
@@ -209,31 +202,23 @@ static int audio_write_trailer(AVFormatContext *s1)
 
 static int audio_read_header(AVFormatContext *s1, AVFormatParameters *ap)
 {
-    AudioData *s;
+    AudioData *s = s1->priv_data;
     AVStream *st;
     int ret;
 
     if (!ap || ap->sample_rate <= 0 || ap->channels <= 0)
         return -1;
 
-    s = av_mallocz(sizeof(AudioData));
-    if (!s)
-        return -ENOMEM;
-    st = av_mallocz(sizeof(AVStream));
+    st = av_new_stream(s1, 0);
     if (!st) {
-        av_free(s);
         return -ENOMEM;
     }
-    s1->priv_data = s;
-    s1->nb_streams = 1;
-    s1->streams[0] = st;
     s->sample_rate = ap->sample_rate;
     s->channels = ap->channels;
 
     ret = audio_open(s, 0);
     if (ret < 0) {
         av_free(st);
-        av_free(s);
         return -EIO;
     } else {
         /* take real parameters */
@@ -284,15 +269,26 @@ static int audio_read_close(AVFormatContext *s1)
     AudioData *s = s1->priv_data;
 
     audio_close(s);
-    av_free(s);
     return 0;
 }
 
-AVFormat audio_device_format = {
+AVInputFormat audio_in_format = {
+    "audio_device",
+    "audio grab and output",
+    sizeof(AudioData),
+    NULL,
+    audio_read_header,
+    audio_read_packet,
+    audio_read_close,
+    flags: AVFMT_NOFILE,
+};
+
+AVOutputFormat audio_out_format = {
     "audio_device",
     "audio grab and output",
     "",
     "",
+    sizeof(AudioData),
     /* XXX: we make the assumption that the soundcard accepts this format */
     /* XXX: find better solution with "preinit" method, needed also in
        other formats */
@@ -305,10 +301,12 @@ AVFormat audio_device_format = {
     audio_write_header,
     audio_write_packet,
     audio_write_trailer,
-
-    audio_read_header,
-    audio_read_packet,
-    audio_read_close,
-    NULL,
-    AVFMT_NOFILE,
+    flags: AVFMT_NOFILE,
 };
+
+int audio_init(void)
+{
+    av_register_input_format(&audio_in_format);
+    av_register_output_format(&audio_out_format);
+    return 0;
+}

libav/avi.h

@@ -23,8 +23,3 @@ extern CodecTag codec_wav_tags[];
 
 unsigned int codec_get_tag(const CodecTag *tags, int id);
 int codec_get_id(const CodecTag *tags, unsigned int tag);
-
-/* avidec.c */
-int avi_read_header(AVFormatContext *s, AVFormatParameters *ap);
-int avi_read_packet(AVFormatContext *s, AVPacket *pkt);
-int avi_read_close(AVFormatContext *s);

libav/avidec.c

@@ -47,19 +47,13 @@ void print_tag(const char *str, unsigned int tag, int size)
 
 int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
 {
-    AVIContext *avi;
+    AVIContext *avi = s->priv_data;
     ByteIOContext *pb = &s->pb;
     UINT32 tag, tag1;
     int codec_type, stream_index, size, frame_period, bit_rate;
     int i, bps;
     AVStream *st;
 
-    avi = av_malloc(sizeof(AVIContext));
-    if (!avi)
-        return -1;
-    memset(avi, 0, sizeof(AVIContext));
-    s->priv_data = avi;
-
     /* check RIFF header */
     tag = get_le32(pb);
 
@@ -246,7 +240,35 @@ int avi_read_packet(AVFormatContext *s, AVPacket *pkt)
 
 int avi_read_close(AVFormatContext *s)
 {
-    AVIContext *avi = s->priv_data;
-    av_free(avi);
+    return 0;
+}
+
+static int avi_probe(AVProbeData *p)
+{
+    /* check file header */
+    if (p->buf_size <= 32)
+        return 0;
+    if (p->buf[0] == 'R' && p->buf[1] == 'I' &&
+        p->buf[2] == 'F' && p->buf[3] == 'F' &&
+        p->buf[8] == 'A' && p->buf[9] == 'V' &&
+        p->buf[10] == 'I' && p->buf[11] == ' ')
+        return AVPROBE_SCORE_MAX;
+    else
+        return 0;
+}
+
+static AVInputFormat avi_iformat = {
+    "avi",
+    "avi format",
+    sizeof(AVIContext),
+    avi_probe,
+    avi_read_header,
+    avi_read_packet,
+    avi_read_close,
+};
+
+int avidec_init(void)
+{
+    av_register_input_format(&avi_iformat);
     return 0;
 }

libav/avienc.c

@@ -143,18 +143,12 @@ void parse_specific_params(AVCodecContext *stream, int *au_byterate, int *au_ssi
 
 static int avi_write_header(AVFormatContext *s)
 {
-    AVIContext *avi;
+    AVIContext *avi = s->priv_data;
     ByteIOContext *pb = &s->pb;
     int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
     AVCodecContext *stream, *video_enc;
     offset_t list1, list2, strh, strf;
 
-    avi = av_malloc(sizeof(AVIContext));
-    if (!avi)
-        return -1;
-    memset(avi, 0, sizeof(AVIContext));
-    s->priv_data = avi;
-
     put_tag(pb, "RIFF");
     put_le32(pb, 0); /* file length */
     put_tag(pb, "AVI ");
@@ -388,23 +382,24 @@ static int avi_write_trailer(AVFormatContext *s)
         url_fseek(pb, file_size, SEEK_SET);
     }
     put_flush_packet(pb);
-
-    av_free(avi);
     return 0;
 }
 
-AVFormat avi_format = {
+static AVOutputFormat avi_oformat = {
     "avi",
     "avi format",
     "video/x-msvideo",
     "avi",
+    sizeof(AVIContext),
     CODEC_ID_MP2,
     CODEC_ID_MSMPEG4,
     avi_write_header,
     avi_write_packet,
     avi_write_trailer,
-
-    avi_read_header,
-    avi_read_packet,
-    avi_read_close,
 };
+
+int avienc_init(void)
+{
+    av_register_output_format(&avi_oformat);
+    return 0;
+}

libav/avio.c

@@ -105,14 +105,6 @@ offset_t url_seek(URLContext *h, offset_t pos, int whence)
     return ret;
 }
 
-int url_getformat(URLContext *h, URLFormat *f)
-{
-    memset(f, 0, sizeof(*f));
-    if (!h->prot->url_getformat)
-        return -ENODATA;
-    return h->prot->url_getformat(h, f);
-}
-
 int url_close(URLContext *h)
 {
     int ret;

libav/avio.h

@@ -12,16 +12,6 @@ struct URLContext {
     void *priv_data;
 };
 
-typedef struct URLFormat {
-    char format_name[32];
-    int sample_rate;
-    int frame_rate;
-    int channels;
-    int height;
-    int width;
-    enum PixelFormat pix_fmt;
-} URLFormat;
-
 typedef struct URLContext URLContext;
 
 typedef struct URLPollEntry {
@@ -36,7 +26,6 @@ int url_open(URLContext **h, const char *filename, int flags);
 int url_read(URLContext *h, unsigned char *buf, int size);
 int url_write(URLContext *h, unsigned char *buf, int size);
 offset_t url_seek(URLContext *h, offset_t pos, int whence);
-int url_getformat(URLContext *h, URLFormat *f);
 int url_close(URLContext *h);
 int url_exist(const char *filename);
 offset_t url_filesize(URLContext *h);
@@ -50,9 +39,6 @@ typedef struct URLProtocol {
     int (*url_write)(URLContext *h, unsigned char *buf, int size);
     offset_t (*url_seek)(URLContext *h, offset_t pos, int whence);
     int (*url_close)(URLContext *h);
-    /* get precise information about the format, if available. return
-       -ENODATA if not available */
-    int (*url_getformat)(URLContext *h, URLFormat *f);
     struct URLProtocol *next;
 } URLProtocol;
 

libav/crc.c

@@ -61,15 +61,10 @@ typedef struct CRCState {
     UINT32 crcval;
 } CRCState;
 
-/* simple formats */
 static int crc_write_header(struct AVFormatContext *s)
 {
-    CRCState *crc;
-    crc = av_malloc(sizeof(CRCState));
-    if (!crc)
-        return -1;
-    s->priv_data = crc;
-    
+    CRCState *crc = s->priv_data;
+
     /* init CRC */
     crc->crcval = adler32(0, NULL, 0);
 
@@ -93,18 +88,24 @@ static int crc_write_trailer(struct AVFormatContext *s)
     snprintf(buf, sizeof(buf), "CRC=%08x\n", crc->crcval);
     put_buffer(&s->pb, buf, strlen(buf));
     put_flush_packet(&s->pb);
-    av_free(crc);
     return 0;
 }
 
-AVFormat crc_format = {
+AVOutputFormat crc_format = {
     "crc",
     "crc testing format",
     NULL,
     "",
+    sizeof(CRCState),
     CODEC_ID_PCM_S16LE,
     CODEC_ID_RAWVIDEO,
     crc_write_header,
     crc_write_packet,
     crc_write_trailer,
 };
+
+int crc_init(void)
+{
+    av_register_output_format(&crc_format);
+    return 0;
+}

libav/ffm.c

@@ -51,6 +51,9 @@ typedef struct FFMContext {
     UINT8 packet[1]; /* must be last */
 } FFMContext;
 
+/* disable pts hack for testing */
+int ffm_nopts = 0;
+
 static void flush_packet(AVFormatContext *s)
 {
     FFMContext *ffm = s->priv_data;
@@ -112,18 +115,13 @@ static void ffm_write_data(AVFormatContext *s,
 
 static int ffm_write_header(AVFormatContext *s)
 {
+    FFMContext *ffm = s->priv_data;
     AVStream *st;
     FFMStream *fst;
-    FFMContext *ffm;
     ByteIOContext *pb = &s->pb;
     AVCodecContext *codec;
     int bit_rate, i;
 
-    ffm = av_mallocz(sizeof(FFMContext) + FFM_PACKET_SIZE);
-    if (!ffm)
-        return -1;
-
-    s->priv_data = ffm;
     ffm->packet_size = FFM_PACKET_SIZE;
 
     /* header */
@@ -177,7 +175,10 @@ static int ffm_write_header(AVFormatContext *s)
             abort();
         }
         /* hack to have real time */
-        fst->pts = gettime();
+        if (ffm_nopts)
+            fst->pts = 0;
+        else
+            fst->pts = gettime();
     }
 
     /* flush until end of block reached */
@@ -200,7 +201,6 @@ static int ffm_write_header(AVFormatContext *s)
         fst = st->priv_data;
         av_free(fst);
     }
-    av_free(ffm);
     return -1;
 }
 
@@ -252,7 +252,6 @@ static int ffm_write_trailer(AVFormatContext *s)
 
     for(i=0;i<s->nb_streams;i++)
         av_free(s->streams[i]->priv_data);
-    av_free(ffm);
     return 0;
 }
 
@@ -342,20 +341,14 @@ static int ffm_read_data(AVFormatContext *s,
 
 static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
 {
+    FFMContext *ffm = s->priv_data;
     AVStream *st;
     FFMStream *fst;
-    FFMContext *ffm;
     ByteIOContext *pb = &s->pb;
     AVCodecContext *codec;
     int i;
     UINT32 tag;
 
-    ffm = av_mallocz(sizeof(FFMContext) + FFM_PACKET_SIZE);
-    if (!ffm)
-        return -1;
-
-    s->priv_data = ffm;
-
     /* header */
     tag = get_le32(pb);
     if (tag != MKTAG('F', 'F', 'M', '1'))
@@ -436,8 +429,6 @@ static int ffm_read_header(AVFormatContext *s, AVFormatParameters *ap)
             av_free(st);
         }
     }
-    if (ffm)
-        av_free(ffm);
     return -1;
 }
 
@@ -619,19 +610,35 @@ static int ffm_read_close(AVFormatContext *s)
     return 0;
 }
 
-AVFormat ffm_format = {
+AVInputFormat ffm_iformat = {
+    "ffm",
+    "ffm format",
+    sizeof(FFMContext),
+    NULL,
+    ffm_read_header,
+    ffm_read_packet,
+    ffm_read_close,
+    ffm_seek,
+    extensions: "ffm",
+};
+
+AVOutputFormat ffm_oformat = {
     "ffm",
     "ffm format",
     "",
     "ffm",
+    sizeof(FFMContext) + FFM_PACKET_SIZE,
     /* not really used */
     CODEC_ID_MP2,
     CODEC_ID_MPEG1VIDEO,
     ffm_write_header,
     ffm_write_packet,