diff options
Diffstat (limited to 'y4menc.c')
| -rw-r--r-- | y4menc.c | 25 |
1 files changed, 11 insertions, 14 deletions
@@ -10,21 +10,18 @@ #include "./y4menc.h" -void y4m_write_file_header(FILE *file, int width, int height, - const struct VpxRational *framerate, - vpx_img_fmt_t fmt) { - const char *color = fmt == VPX_IMG_FMT_444A ? "C444alpha\n" : - fmt == VPX_IMG_FMT_I444 ? "C444\n" : - fmt == VPX_IMG_FMT_I422 ? "C422\n" : - "C420jpeg\n"; +int y4m_write_file_header(char *buf, size_t len, int width, int height, + const struct VpxRational *framerate, + vpx_img_fmt_t fmt) { + const char *const color = fmt == VPX_IMG_FMT_444A ? "C444alpha\n" : + fmt == VPX_IMG_FMT_I444 ? "C444\n" : + fmt == VPX_IMG_FMT_I422 ? "C422\n" : + "C420jpeg\n"; - // Note: We can't output an aspect ratio here because IVF doesn't - // store one, and neither does VP8. - // That will have to wait until these tools support WebM natively.*/ - fprintf(file, "YUV4MPEG2 W%u H%u F%u:%u I%c %s", width, height, - framerate->numerator, framerate->denominator, 'p', color); + return snprintf(buf, len, "YUV4MPEG2 W%u H%u F%u:%u I%c %s", width, height, + framerate->numerator, framerate->denominator, 'p', color); } -void y4m_write_frame_header(FILE *file) { - fprintf(file, "FRAME\n"); +int y4m_write_frame_header(char *buf, size_t len) { + return snprintf(buf, len, "FRAME\n"); } |