move mpegaudio_parser in it's own file

Originally committed as revision 8899 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 0 insertions, 197 deletions

diff --git a/libavcodec/parser.c b/libavcodec/parser.c
index db7cacbb74..170c55db80 100644
--- a/libavcodec/parser.c
+++ b/libavcodec/parser.c
@@ -314,194 +314,6 @@ int ff_mpeg4video_split(AVCodecContext *avctx,
 
 /*************************/
 
-#ifdef CONFIG_MPEGAUDIO_PARSER
-typedef struct MpegAudioParseContext {
-    uint8_t inbuf[MPA_MAX_CODED_FRAME_SIZE];    /* input buffer */
-    uint8_t *inbuf_ptr;
-    int frame_size;
-    int free_format_frame_size;
-    int free_format_next_header;
-    uint32_t header;
-    int header_count;
-} MpegAudioParseContext;
-
-#define MPA_HEADER_SIZE 4
-
-/* header + layer + bitrate + freq + lsf/mpeg25 */
-#undef SAME_HEADER_MASK /* mpegaudio.h defines different version */
-#define SAME_HEADER_MASK \
-   (0xffe00000 | (3 << 17) | (3 << 10) | (3 << 19))
-
-static int mpegaudio_parse_init(AVCodecParserContext *s1)
-{
-    MpegAudioParseContext *s = s1->priv_data;
-    s->inbuf_ptr = s->inbuf;
-    return 0;
-}
-
-static int mpegaudio_parse(AVCodecParserContext *s1,
-                           AVCodecContext *avctx,
-                           uint8_t **poutbuf, int *poutbuf_size,
-                           const uint8_t *buf, int buf_size)
-{
-    MpegAudioParseContext *s = s1->priv_data;
-    int len, ret, sr;
-    uint32_t header;
-    const uint8_t *buf_ptr;
-
-    *poutbuf = NULL;
-    *poutbuf_size = 0;
-    buf_ptr = buf;
-    while (buf_size > 0) {
-        len = s->inbuf_ptr - s->inbuf;
-        if (s->frame_size == 0) {
-            /* special case for next header for first frame in free
-               format case (XXX: find a simpler method) */
-            if (s->free_format_next_header != 0) {
-                s->inbuf[0] = s->free_format_next_header >> 24;
-                s->inbuf[1] = s->free_format_next_header >> 16;
-                s->inbuf[2] = s->free_format_next_header >> 8;
-                s->inbuf[3] = s->free_format_next_header;
-                s->inbuf_ptr = s->inbuf + 4;
-                s->free_format_next_header = 0;
-                goto got_header;
-            }
-            /* no header seen : find one. We need at least MPA_HEADER_SIZE
-               bytes to parse it */
-            len = FFMIN(MPA_HEADER_SIZE - len, buf_size);
-            if (len > 0) {
-                memcpy(s->inbuf_ptr, buf_ptr, len);
-                buf_ptr += len;
-                buf_size -= len;
-                s->inbuf_ptr += len;
-            }
-            if ((s->inbuf_ptr - s->inbuf) >= MPA_HEADER_SIZE) {
-            got_header:
-                header = (s->inbuf[0] << 24) | (s->inbuf[1] << 16) |
-                    (s->inbuf[2] << 8) | s->inbuf[3];
-
-                ret = mpa_decode_header(avctx, header, &sr);
-                if (ret < 0) {
-                    s->header_count= -2;
-                    /* no sync found : move by one byte (inefficient, but simple!) */
-                    memmove(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1);
-                    s->inbuf_ptr--;
-                    dprintf(avctx, "skip %x\n", header);
-                    /* reset free format frame size to give a chance
-                       to get a new bitrate */
-                    s->free_format_frame_size = 0;
-                } else {
-                    if((header&SAME_HEADER_MASK) != (s->header&SAME_HEADER_MASK) && s->header)
-                        s->header_count= -3;
-                    s->header= header;
-                    s->header_count++;
-                    s->frame_size = ret;
-
-#if 0
-                    /* free format: prepare to compute frame size */
-                    if (decode_header(s, header) == 1) {
-                        s->frame_size = -1;
-                    }
-#endif
-                }
-                if(s->header_count > 1)
-                    avctx->sample_rate= sr;
-            }
-        } else
-#if 0
-        if (s->frame_size == -1) {
-            /* free format : find next sync to compute frame size */
-            len = MPA_MAX_CODED_FRAME_SIZE - len;
-            if (len > buf_size)
-                len = buf_size;
-            if (len == 0) {
-                /* frame too long: resync */
-                s->frame_size = 0;
-                memmove(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1);
-                s->inbuf_ptr--;
-            } else {
-                uint8_t *p, *pend;
-                uint32_t header1;
-                int padding;
-
-                memcpy(s->inbuf_ptr, buf_ptr, len);
-                /* check for header */
-                p = s->inbuf_ptr - 3;
-                pend = s->inbuf_ptr + len - 4;
-                while (p <= pend) {
-                    header = (p[0] << 24) | (p[1] << 16) |
-                        (p[2] << 8) | p[3];
-                    header1 = (s->inbuf[0] << 24) | (s->inbuf[1] << 16) |
-                        (s->inbuf[2] << 8) | s->inbuf[3];
-                    /* check with high probability that we have a
-                       valid header */
-                    if ((header & SAME_HEADER_MASK) ==
-                        (header1 & SAME_HEADER_MASK)) {
-                        /* header found: update pointers */
-                        len = (p + 4) - s->inbuf_ptr;
-                        buf_ptr += len;
-                        buf_size -= len;
-                        s->inbuf_ptr = p;
-                        /* compute frame size */
-                        s->free_format_next_header = header;
-                        s->free_format_frame_size = s->inbuf_ptr - s->inbuf;
-                        padding = (header1 >> 9) & 1;
-                        if (s->layer == 1)
-                            s->free_format_frame_size -= padding * 4;
-                        else
-                            s->free_format_frame_size -= padding;
-                        dprintf(avctx, "free frame size=%d padding=%d\n",
-                                s->free_format_frame_size, padding);
-                        decode_header(s, header1);
-                        goto next_data;
-                    }
-                    p++;
-                }
-                /* not found: simply increase pointers */
-                buf_ptr += len;
-                s->inbuf_ptr += len;
-                buf_size -= len;
-            }
-        } else
-#endif
-        if (len < s->frame_size) {
-            if (s->frame_size > MPA_MAX_CODED_FRAME_SIZE)
-                s->frame_size = MPA_MAX_CODED_FRAME_SIZE;
-            len = FFMIN(s->frame_size - len, buf_size);
-            memcpy(s->inbuf_ptr, buf_ptr, len);
-            buf_ptr += len;
-            s->inbuf_ptr += len;
-            buf_size -= len;
-        }
-
-        if(s->frame_size > 0 && buf_ptr - buf == s->inbuf_ptr - s->inbuf
-           && buf_size + buf_ptr - buf >= s->frame_size){
-            if(s->header_count > 0){
-                *poutbuf = buf;
-                *poutbuf_size = s->frame_size;
-            }
-            buf_ptr = buf + s->frame_size;
-            s->inbuf_ptr = s->inbuf;
-            s->frame_size = 0;
-            break;
-        }
-
-        //    next_data:
-        if (s->frame_size > 0 &&
-            (s->inbuf_ptr - s->inbuf) >= s->frame_size) {
-            if(s->header_count > 0){
-                *poutbuf = s->inbuf;
-                *poutbuf_size = s->inbuf_ptr - s->inbuf;
-            }
-            s->inbuf_ptr = s->inbuf;
-            s->frame_size = 0;
-            break;
-        }
-    }
-    return buf_ptr - buf;
-}
-#endif /* CONFIG_MPEGAUDIO_PARSER */
-
 #if defined(CONFIG_AC3_PARSER) || defined(CONFIG_AAC_PARSER)
 /* also used for ADTS AAC */
 typedef struct AC3ParseContext {
@@ -779,15 +591,6 @@ static int ac3_parse(AVCodecParserContext *s1,
 }
 #endif /* CONFIG_AC3_PARSER || CONFIG_AAC_PARSER */
 
-#ifdef CONFIG_MPEGAUDIO_PARSER
-AVCodecParser mpegaudio_parser = {
-    { CODEC_ID_MP2, CODEC_ID_MP3 },
-    sizeof(MpegAudioParseContext),
-    mpegaudio_parse_init,
-    mpegaudio_parse,
-    NULL,
-};
-#endif
 #ifdef CONFIG_AC3_PARSER
 AVCodecParser ac3_parser = {
     { CODEC_ID_AC3 },