diff options
Diffstat (limited to 'formats.c')
| -rw-r--r-- | formats.c | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/formats.c b/formats.c deleted file mode 100644 index 10aae461ea..0000000000 --- a/formats.c +++ /dev/null @@ -1,373 +0,0 @@ -#include <stdlib.h> -#include <stdio.h> -#include <netinet/in.h> -#include <linux/videodev.h> -#include <linux/soundcard.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/mman.h> -#include <errno.h> -#include <sys/time.h> -#include <getopt.h> -#include <string.h> - -#include "mpegenc.h" - -AVFormat *first_format; -/* XXX: suppress it ! */ -int data_out_size; - -const char *comment_string = -"+title=Test Video +author=FFMpeg +copyright=Free +comment=Generated by FFMpeg 1.0"; - -void register_avformat(AVFormat *format) -{ - AVFormat **p; - p = &first_format; - while (*p != NULL) p = &(*p)->next; - *p = format; - format->next = NULL; -} - -AVFormat *guess_format(const char *short_name, const char *filename, const char *mime_type) -{ - AVFormat *fmt, *fmt_found; - int score_max, score; - const char *ext, *p; - char ext1[32], *q; - - /* find the proper file type */ - fmt_found = NULL; - score_max = 0; - fmt = first_format; - while (fmt != NULL) { - score = 0; - if (fmt->name && short_name && !strcmp(fmt->name, short_name)) - score += 100; - if (fmt->mime_type && mime_type && !strcmp(fmt->mime_type, mime_type)) - score += 10; - if (filename && fmt->extensions) { - ext = strrchr(filename, '.'); - if (ext) { - ext++; - p = fmt->extensions; - for(;;) { - q = ext1; - while (*p != '\0' && *p != ',') - *q++ = *p++; - *q = '\0'; - if (!strcasecmp(ext1, ext)) { - score += 5; - break; - } - if (*p == '\0') - break; - p++; - } - } - } - if (score > score_max) { - score_max = score; - fmt_found = fmt; - } - fmt = fmt->next; - } - return fmt_found; -} - -/* return TRUE if val is a prefix of str. If it returns TRUE, ptr is - set to the next character in 'str' after the prefix */ -int strstart(const char *str, const char *val, const char **ptr) -{ - const char *p, *q; - p = str; - q = val; - while (*q != '\0') { - if (*p != *q) - return 0; - p++; - q++; - } - if (ptr) - *ptr = p; - return 1; -} - -/* simple formats */ -int raw_write_header(struct AVFormatContext *s) -{ - return 0; -} - -int raw_write_audio(struct AVFormatContext *s, - unsigned char *buf, int size) -{ - put_buffer(&s->pb, buf, size); - put_flush_packet(&s->pb); - return 0; -} - -int raw_write_video(struct AVFormatContext *s, - unsigned char *buf, int size) -{ - put_buffer(&s->pb, buf, size); - put_flush_packet(&s->pb); - return 0; -} - -int raw_write_trailer(struct AVFormatContext *s) -{ - return 0; -} - -AVFormat mp2_format = { - "mp2", - "MPEG audio layer 2", - "audio/x-mpeg", - "mp2,mp3", - CODEC_ID_MP2, - 0, - raw_write_header, - raw_write_audio, - NULL, - raw_write_trailer, -}; - -AVFormat ac3_format = { - "ac3", - "raw ac3", - "audio/x-ac3", - "ac3", - CODEC_ID_AC3, - 0, - raw_write_header, - raw_write_audio, - NULL, - raw_write_trailer, -}; - -AVFormat h263_format = { - "h263", - "raw h263", - "video/x-h263", - "h263", - 0, - CODEC_ID_H263, - raw_write_header, - NULL, - raw_write_video, - raw_write_trailer, -}; - -AVFormat mpeg1video_format = { - "mpeg1video", - "MPEG1 video", - "video/mpeg", - "mpg,mpeg", - 0, - CODEC_ID_MPEG1VIDEO, - raw_write_header, - NULL, - raw_write_video, - raw_write_trailer, -}; - -/* encoder management */ -AVEncoder *first_encoder; - -void register_avencoder(AVEncoder *format) -{ - AVEncoder **p; - p = &first_encoder; - while (*p != NULL) p = &(*p)->next; - *p = format; - format->next = NULL; -} - -int avencoder_open(AVEncodeContext *avctx, AVEncoder *codec) -{ - int ret; - - avctx->codec = codec; - avctx->frame_number = 0; - avctx->priv_data = malloc(codec->priv_data_size); - if (!avctx->priv_data) - return -ENOMEM; - memset(avctx->priv_data, 0, codec->priv_data_size); - ret = avctx->codec->init(avctx); - if (ret < 0) { - free(avctx->priv_data); - avctx->priv_data = NULL; - return ret; - } - return 0; -} - -int avencoder_encode(AVEncodeContext *avctx, UINT8 *buf, int buf_size, void *data) -{ - int ret; - - ret = avctx->codec->encode(avctx, buf, buf_size, data); - avctx->frame_number++; - return ret; -} - -int avencoder_close(AVEncodeContext *avctx) -{ - if (avctx->codec->close) - avctx->codec->close(avctx); - free(avctx->priv_data); - avctx->priv_data = NULL; - return 0; -} - -AVEncoder *avencoder_find(enum CodecID id) -{ - AVEncoder *p; - p = first_encoder; - while (p) { - if (p->id == id) - return p; - p = p->next; - } - return NULL; -} - - -void avencoder_string(char *buf, int buf_size, AVEncodeContext *enc) -{ - switch(enc->codec->type) { - case CODEC_TYPE_VIDEO: - snprintf(buf, buf_size, - "Video: %s, %dx%d, %d fps, %d kb/s", - enc->codec->name, enc->width, enc->height, enc->rate, enc->bit_rate / 1000); - break; - case CODEC_TYPE_AUDIO: - snprintf(buf, buf_size, - "Audio: %s, %d Hz, %s, %d kb/s", - enc->codec->name, enc->rate, - enc->channels == 2 ? "stereo" : "mono", - enc->bit_rate / 1000); - break; - default: - abort(); - } -} - -/* PutByteFormat */ - -int init_put_byte(PutByteContext *s, - unsigned char *buffer, - int buffer_size, - void *opaque, - void (*write_packet)(void *opaque, UINT8 *buf, int buf_size), - int (*write_seek)(void *opaque, long long offset, int whence)) -{ - s->buffer = buffer; - s->buf_ptr = buffer; - s->buf_end = buffer + buffer_size; - s->opaque = opaque; - s->write_packet = write_packet; - s->write_seek = write_seek; - s->pos = 0; - return 0; -} - - -static void flush_buffer(PutByteContext *s) -{ - if (s->buf_ptr > s->buffer) { - if (s->write_packet) - s->write_packet(s->opaque, s->buffer, s->buf_ptr - s->buffer); - s->pos += s->buf_ptr - s->buffer; - } - s->buf_ptr = s->buffer; -} - -void put_byte(PutByteContext *s, int b) -{ - *(s->buf_ptr)++ = b; - if (s->buf_ptr >= s->buf_end) - flush_buffer(s); -} - -void put_buffer(PutByteContext *s, unsigned char *buf, int size) -{ - int len; - - while (size > 0) { - len = (s->buf_end - s->buf_ptr); - if (len > size) - len = size; - memcpy(s->buf_ptr, buf, len); - s->buf_ptr += len; - - if (s->buf_ptr >= s->buf_end) - flush_buffer(s); - - buf += len; - size -= len; - } -} - -void put_flush_packet(PutByteContext *s) -{ - flush_buffer(s); -} - -/* XXX: this seek is not correct if we go after the end of the written data */ -long long put_seek(PutByteContext *s, long long offset, int whence) -{ - long long offset1; - - if (whence != SEEK_CUR && whence != SEEK_SET) - return -1; - if (whence == SEEK_CUR) - offset += s->pos + s->buf_ptr - s->buffer; - - offset1 = offset - s->pos; - if (offset1 >= 0 && offset1 < (s->buf_end - s->buffer)) { - /* can do the seek inside the buffer */ - s->buf_ptr = s->buffer + offset1; - } else { - if (!s->write_seek) - return -1; - flush_buffer(s); - s->write_seek(s->opaque, offset, whence); - } - return offset; -} - -long long put_pos(PutByteContext *s) -{ - return put_seek(s, 0, SEEK_CUR); -} - -void put_le32(PutByteContext *s, unsigned int val) -{ - put_byte(s, val); - put_byte(s, val >> 8); - put_byte(s, val >> 16); - put_byte(s, val >> 24); -} - -void put_le64(PutByteContext *s, unsigned long long val) -{ - put_le32(s, val & 0xffffffff); - put_le32(s, val >> 32); -} - -void put_le16(PutByteContext *s, unsigned int val) -{ - put_byte(s, val); - put_byte(s, val >> 8); -} - -void put_tag(PutByteContext *s, char *tag) -{ - while (*tag) { - put_byte(s, *tag++); - } -} - |