void DTSStream::Init ( const int _stream_num)
{
stream_num = _stream_num;
MuxStream::Init( PRIVATE_STR_1,
1, // Buffer scale
default_buffer_size,
false,
muxinto.buffers_in_audio,
muxinto.always_buffers_in_audio
);
mjpeg_info ("Scanning for header info: dts Audio stream %02x (%s)",
stream_num,
bs.StreamName()
);
AU_start = bs.bitcount();
if (bs.GetBits(32)==DTS_SYNCWORD)
{
num_syncword++;
bs.GetBits(6); // additional sync
bs.GetBits(1); // CRC
bs.GetBits(7); // pcm samples
framesize = bs.GetBits(14) + 1; // frame size
bs.GetBits(6); // audio channels
frequency = bs.GetBits(4); // sample rate code
bit_rate = dts_bitrate_index[bs.GetBits(5)];
bs.GetBits(5); // misc.
header_skip = 10; // Initially skipped past 10 bytes of header
num_frames++;
access_unit.start = AU_start;
access_unit.length = framesize;
mjpeg_info( "dts frame size = %d", framesize );
samples_per_second = dts_frequency[frequency];
/* Presentation time-stamping */
access_unit.PTS = static_cast<clockticks>(decoding_order) *
static_cast<clockticks>(DTS_PACKET_SAMPLES) *
static_cast<clockticks>(CLOCKS) / samples_per_second;
access_unit.DTS = access_unit.PTS;
access_unit.dorder = decoding_order;
++decoding_order;
aunits.Append( access_unit );
} else
{
mjpeg_error ( "Invalid dts Audio stream header.");
exit (1);
}
OutputHdrInfo();
}
static void input(int type, char *message)
{
switch (type)
{
case LAVPLAY_MSG_ERROR:
mjpeg_error("%s", message);
break;
case LAVPLAY_MSG_WARNING:
mjpeg_warn("%s", message);
break;
case LAVPLAY_MSG_INFO:
mjpeg_info("%s", message);
break;
case LAVPLAY_MSG_DEBUG:
mjpeg_debug("%s", message);
break;
}
}
static
void parse_args(cl_info_t *cl, int argc, char **argv)
{
int c;
cl->offset = 0;
cl->framecount = 0;
cl->aspect = y4m_sar_SQUARE;
cl->interlace = Y4M_ILACE_NONE;
cl->framerate = y4m_fps_NTSC;
cl->interleave = 0;
cl->repeatlast = 0;
cl->ss_mode = DEFAULT_CHROMA_MODE;
cl->verbosity = 1;
cl->bgr = 0;
cl->fdin = fileno(stdin); /* default to stdin */
while ((c = getopt(argc, argv, "BA:F:I:Lo:n:rS:v:h")) != -1) {
switch (c) {
case 'A':
if (y4m_parse_ratio(&(cl->aspect), optarg) != Y4M_OK) {
mjpeg_error("Could not parse ratio: '%s'", optarg);
goto ERROR_EXIT;
}
break;
case 'F':
if (y4m_parse_ratio(&(cl->framerate), optarg) != Y4M_OK) {
mjpeg_error("Could not parse ratio: '%s'", optarg);
goto ERROR_EXIT;
}
break;
case 'I':
switch (optarg[0]) {
case 'p': cl->interlace = Y4M_ILACE_NONE; break;
case 't': cl->interlace = Y4M_ILACE_TOP_FIRST; break;
case 'b': cl->interlace = Y4M_ILACE_BOTTOM_FIRST; break;
default:
mjpeg_error("Unknown value for interlace: '%c'", optarg[0]);
goto ERROR_EXIT;
break;
}
break;
case 'L':
cl->interleave = 1;
break;
case 'B':
cl->bgr = 1;
break;
case 'o':
if ((cl->offset = atoi(optarg)) < 0)
mjpeg_error_exit1("Offset must be >= 0: '%s'", optarg);
break;
case 'n':
if ((cl->framecount = atoi(optarg)) < 0)
mjpeg_error_exit1("Frame count must be >= 0: '%s'", optarg);
break;
case 'r':
cl->repeatlast = 1;
break;
case 'S':
cl->ss_mode = y4m_chroma_parse_keyword(optarg);
if (cl->ss_mode == Y4M_UNKNOWN) {
mjpeg_error("Unknown subsampling mode option: %s", optarg);
goto ERROR_EXIT;
} else if (!chroma_sub_implemented(cl->ss_mode)) {
mjpeg_error("Unsupported subsampling mode option: %s", optarg);
goto ERROR_EXIT;
}
break;
case 'v':
cl->verbosity = atoi(optarg);
if ((cl->verbosity < 0) || (cl->verbosity > 2))
mjpeg_error("Verbosity must be 0, 1, or 2: '%s'", optarg);
break;
case 'h':
usage(argv[0]);
exit(0);
break;
case '?':
default:
goto ERROR_EXIT;
break;
}
}
/* optional remaining argument is a filename */
if (optind == (argc - 1)) {
if ((cl->fdin = open(argv[optind], O_RDONLY | O_BINARY)) == -1)
mjpeg_error_exit1("Failed to open '%s': %s",
argv[optind], strerror(errno));
} else if (optind != argc)
goto ERROR_EXIT;
mjpeg_default_handler_verbosity(cl->verbosity);
mjpeg_info("Command-line Parameters:");
mjpeg_info(" framerate: %d:%d",
cl->framerate.n, cl->framerate.d);
mjpeg_info(" pixel aspect ratio: %d:%d",
cl->aspect.n, cl->aspect.d);
mjpeg_info(" pixel packing: %s",
cl->bgr?"BGR":"RGB");
mjpeg_info(" interlace: %s%s",
mpeg_interlace_code_definition(cl->interlace),
(cl->interlace == Y4M_ILACE_NONE) ? "" :
(cl->interleave) ? " (interleaved PPM input)" :
" (field-sequential PPM input)");
mjpeg_info(" starting frame: %d", cl->offset);
if (cl->framecount == 0)
mjpeg_info(" # of frames: all%s",
(cl->repeatlast) ? ", repeat last frame forever" :
", until input exhausted");
else
mjpeg_info(" # of frames: %d%s",
cl->framecount,
(cl->repeatlast) ? ", repeat last frame until done" :
", or until input exhausted");
mjpeg_info(" chroma subsampling: %s",
y4m_chroma_description(cl->ss_mode));
/* DONE! */
return;
ERROR_EXIT:
mjpeg_error("For usage hints, use option '-h'. Please take a hint.");
exit(1);
}
static int set_option(const char *name, char *value)
{
/* return 1 means error, return 0 means okay */
int nerr = 0;
if (strcmp(name, "verbose")==0 || strcmp(name, "v")==0)
{
verbose = atoi(optarg);
}
else if (strcmp(name, "audio")==0 || strcmp(name, "a")==0)
{
info->audio = atoi(optarg);
}
else if (strcmp(name, "use-write")==0 || strcmp(name, "U")==0)
{
info->use_write = 1;
}
else if (strcmp(name, "H-offset")==0 || strcmp(name, "H")==0)
{
info->horizontal_offset = atoi(optarg);
}
else if (strcmp(name, "V-offset")==0 || strcmp(name, "V")==0)
{
info->vertical_offset = atoi(optarg);
}
else if (strcmp(name, "skip")==0 || strcmp(name, "s")==0)
{
skip_seconds = atoi(optarg);
if (skip_seconds<0) skip_seconds = 0;
}
else if (strcmp(name, "synchronization")==0 || strcmp(name, "c")==0)
{
info->sync_correction = atoi(optarg);
}
else if (strcmp(name, "mjpeg-buffers")==0 || strcmp(name, "n")==0)
{
info->MJPG_numbufs = atoi(optarg);
if (info->MJPG_numbufs<4) info->MJPG_numbufs = 4;
if (info->MJPG_numbufs>256) info->MJPG_numbufs = 256;
}
else if (strcmp(name, "no-quit")==0 || strcmp(name, "q")==0)
{
info->continuous = 1;
}
else if (strcmp(name, "exchange-fields")==0 || strcmp(name, "x")==0)
{
info->exchange_fields = 1;
}
else if (strcmp(name, "zoom")==0 || strcmp(name, "z")==0)
{
info->zoom_to_fit = 1;
}
else if (strcmp(name, "gui-mode")==0 || strcmp(name, "g")==0)
{
gui_mode = 1;
}
else if (strcmp(name, "full-screen")==0 || strcmp(name, "Z")==0)
{
info->soft_full_screen = 1;
}
else if( strcmp( name, "preserve-pathnames") == 0 || strcmp(name, "P")==0)
{
info->preserve_pathnames = 1;
}
else if (strcmp(name, "playback")==0 || strcmp(name, "p")==0)
{
switch (value[0])
{
#ifdef HAVE_V4L
case 'H':
case 'C':
#endif
#ifdef HAVE_SDL
case 'S':
#endif
info->playback_mode = value[0];
break;
default:
mjpeg_error("Unknown playback mode: \'%c\'", value[0]);
nerr++;
break;
}
}
else if (strcmp(name, "size")==0 || strcmp(name, "S")==0)
{
if (sscanf(value, "%dx%d", &info->sdl_width, &info->sdl_height)!=2)
{
mjpeg_error( "--size parameter requires NxN argument");
nerr++;
}
}
else if (strcmp(name, "flicker")==0 || strcmp(name, "F")==0)
{
info->flicker_reduction = 0;
}
else if (strcmp(name, "display")==0)
{
info->display = optarg;
}
else if (strcmp(name, "s-x-offset")==0)
{
info->vw_x_offset = atoi(optarg);
}
else if (strcmp(name, "s-y-offset")==0)
{
info->vw_y_offset = atoi(optarg);
}
else nerr++; /* unknown option - error */
return nerr;
}
int
main(int argc, char **argv)
{
int fdin, fdout, err, c, i, verbose = 1;
y4m_stream_info_t istream, ostream;
y4m_frame_info_t iframe;
fdin = fileno(stdin);
fdout = fileno(stdout);
y4m_accept_extensions(1);
y4m_init_stream_info(&istream);
y4m_init_frame_info(&iframe);
while ((c = getopt(argc, argv, "L:C:hv:N")) != EOF)
{
switch (c)
{
case 'N':
lowuv = lowy = 0;
lowuv = highy = 255;
break;
case 'L':
i = sscanf(optarg, "%lf,%lf,%d", &y_radius,
&y_amount, &y_threshold);
if (i != 3)
{
mjpeg_error("-L r,a,t");
usage(argv[0]);
}
break;
case 'C':
i = sscanf(optarg, "%lf,%lf,%d", &uv_radius,
&uv_amount, &uv_threshold);
if (i != 3)
{
mjpeg_error("-C r,a,t");
usage(argv[0]);
}
break;
case 'v':
verbose = atoi(optarg);
if (verbose < 0 || verbose > 2)
mjpeg_error_exit1("-v 0|1|2");
break;
case 'h':
default:
usage(argv[0]);
break;
}
}
if (isatty(fdout))
mjpeg_error_exit1("stdout must not be a terminal");
mjpeg_default_handler_verbosity(verbose);
err = y4m_read_stream_header(fdin, &istream);
if (err != Y4M_OK)
mjpeg_error_exit1("Couldn't read input stream header");
switch (y4m_si_get_interlace(&istream))
{
case Y4M_ILACE_NONE:
interlaced = 0;
break;
case Y4M_ILACE_BOTTOM_FIRST:
case Y4M_ILACE_TOP_FIRST:
interlaced = 1;
break;
default:
mjpeg_error_exit1("Unsupported/unknown interlacing");
}
if (y4m_si_get_plane_count(&istream) != 3)
mjpeg_error_exit1("Only 3 plane formats supported");
yheight = y4m_si_get_plane_height(&istream, 0);
uvheight = y4m_si_get_plane_height(&istream, 1);
ywidth = y4m_si_get_plane_width(&istream, 0);
uvwidth = y4m_si_get_plane_width(&istream, 1);
ylen = y4m_si_get_plane_length(&istream, 0);
uvlen = y4m_si_get_plane_length(&istream, 1);
/* Input and output frame buffers */
i_yuv[0] = (u_char *)malloc(ylen);
i_yuv[1] = (u_char *)malloc(uvlen);
i_yuv[2] = (u_char *)malloc(uvlen);
o_yuv[0] = (u_char *)malloc(ylen);
o_yuv[1] = (u_char *)malloc(uvlen);
o_yuv[2] = (u_char *)malloc(uvlen);
/*
* general purpose row/column scratch buffers. Slightly over allocated to
* simplify life.
*/
cur_col = (u_char *)malloc(MAX(ywidth, yheight));
dest_col = (u_char *)malloc(MAX(ywidth, yheight));
cur_row = (u_char *)malloc(MAX(ywidth, yheight));
dest_row = (u_char *)malloc(MAX(ywidth, yheight));
/*
* Generate the convolution matrices. The generation routine allocates the
* memory and returns the length.
*/
cmatrix_y_len = gen_convolve_matrix(y_radius, &cmatrix_y);
cmatrix_uv_len = gen_convolve_matrix(uv_radius, &cmatrix_uv);
ctable_y = gen_lookup_table(cmatrix_y, cmatrix_y_len);
ctable_uv = gen_lookup_table(cmatrix_uv, cmatrix_uv_len);
y4m_init_stream_info(&ostream);
y4m_copy_stream_info(&ostream, &istream);
y4m_write_stream_header(fileno(stdout), &ostream);
mjpeg_info("Luma radius: %f", y_radius);
mjpeg_info("Luma amount: %f", y_amount);
mjpeg_info("Luma threshold: %d", y_threshold);
if (uv_radius != -1.0)
{
mjpeg_info("Chroma radius: %f", uv_radius);
mjpeg_info("Chroma amount: %f", uv_amount);
mjpeg_info("Chroma threshold: %d", uv_threshold);
}
for (frameno = 0; y4m_read_frame(fdin, &istream, &iframe, i_yuv) == Y4M_OK; frameno++)
{
y4munsharp();
err = y4m_write_frame(fdout, &ostream, &iframe, o_yuv);
if (err != Y4M_OK)
{
mjpeg_error("y4m_write_frame err at frame %d", frameno);
break;
}
}
y4m_fini_frame_info(&iframe);
y4m_fini_stream_info(&istream);
y4m_fini_stream_info(&ostream);
exit(0);
}
int main(int argc, char *argv[])
{
AVFormatContext *pFormatCtx;
AVInputFormat *avif = NULL;
int i, videoStream;
AVCodecContext *pCodecCtx;
AVCodec *pCodec;
AVFrame *pFrame;
AVFrame *pFrame444;
AVPacket packet;
int frameFinished;
int numBytes;
uint8_t *buffer;
int fdOut = 1 ;
int yuv_interlacing = Y4M_UNKNOWN;
int yuv_ss_mode = Y4M_UNKNOWN;
y4m_ratio_t yuv_frame_rate;
y4m_ratio_t yuv_aspect;
// need something for chroma subsampling type.
int write_error_code;
int header_written = 0;
int convert = 0;
int stream = 0;
enum PixelFormat convert_mode;
const static char *legal_flags = "chI:F:A:S:o:s:f:";
int y;
int frame_data_size ;
uint8_t *yuv_data[3] ;
y4m_stream_info_t streaminfo;
y4m_frame_info_t frameinfo;
y4m_init_stream_info(&streaminfo);
y4m_init_frame_info(&frameinfo);
yuv_frame_rate.d = 0;
yuv_aspect.d = 0;
// Register all formats and codecs
av_register_all();
while ((i = getopt (argc, argv, legal_flags)) != -1) {
switch (i) {
case 'I':
switch (optarg[0]) {
case 'p': yuv_interlacing = Y4M_ILACE_NONE; break;
case 't': yuv_interlacing = Y4M_ILACE_TOP_FIRST; break;
case 'b': yuv_interlacing = Y4M_ILACE_BOTTOM_FIRST; break;
default:
mjpeg_error("Unknown value for interlace: '%c'", optarg[0]);
return -1;
break;
}
break;
case 'F':
if( Y4M_OK != y4m_parse_ratio(&yuv_frame_rate, optarg) )
mjpeg_error_exit1 ("Syntax for frame rate should be Numerator:Denominator");
break;
case 'A':
if( Y4M_OK != y4m_parse_ratio(&yuv_aspect, optarg) ) {
if (!strcmp(optarg,PAL)) {
y4m_parse_ratio(&yuv_aspect, "128:117");
} else if (!strcmp(optarg,PAL_WIDE)) {
y4m_parse_ratio(&yuv_aspect, "640:351");
} else if (!strcmp(optarg,NTSC)) {
y4m_parse_ratio(&yuv_aspect, "4320:4739");
} else if (!strcmp(optarg,NTSC_WIDE)) {
y4m_parse_ratio(&yuv_aspect, "5760:4739");
} else {
mjpeg_error_exit1 ("Syntax for aspect ratio should be Numerator:Denominator");
}
}
break;
case 'S':
yuv_ss_mode = y4m_chroma_parse_keyword(optarg);
if (yuv_ss_mode == Y4M_UNKNOWN) {
mjpeg_error("Unknown subsampling mode option: %s", optarg);
mjpeg_error("Try: 420mpeg2 444 422 411");
return -1;
}
break;
case 'o':
fdOut = open (optarg,O_CREAT|O_WRONLY,0644);
if (fdOut == -1) {
mjpeg_error_exit1 ("Cannot open file for writing");
}
break;
case 'c':
convert = 1;
break;
case 's':
stream = atoi(optarg);
break;
case 'f':
avif = av_find_input_format (optarg);
break;
case 'h':
case '?':
print_usage (argv);
return 0 ;
break;
}
}
//fprintf (stderr,"optind: %d\n",optind);
optind--;
argc -= optind;
argv += optind;
if (argc == 1) {
print_usage (argv);
return 0 ;
}
// Open video file
if(av_open_input_file(&pFormatCtx, argv[1], avif, 0, NULL)!=0)
return -1; // Couldn't open file
// Retrieve stream information
if(av_find_stream_info(pFormatCtx)<0)
return -1; // Couldn't find stream information
// Dump information about file onto standard error
dump_format(pFormatCtx, 0, argv[1], 0);
// Find the first video stream
videoStream=-1;
for(i=0; i<pFormatCtx->nb_streams; i++)
if(pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO)
{
// mark debug
//fprintf (stderr,"Video Codec ID: %d (%s)\n",pFormatCtx->streams[i]->codec->codec_id ,pFormatCtx->streams[i]->codec->codec_name);
if (videoStream == -1 && stream == 0) {
// May still be overridden by the -s option
videoStream=i;
}
if (stream == i) {
videoStream=i;
break;
}
}
if(videoStream==-1)
return -1; // Didn't find a video stream
// Get a pointer to the codec context for the video stream
pCodecCtx=pFormatCtx->streams[videoStream]->codec;
// Find the decoder for the video stream
pCodec=avcodec_find_decoder(pCodecCtx->codec_id);
if(pCodec==NULL)
return -1; // Codec not found
// Open codec
if(avcodec_open(pCodecCtx, pCodec)<0)
return -1; // Could not open codec
// Read framerate, aspect ratio and chroma subsampling from Codec
if (yuv_frame_rate.d == 0) {
yuv_frame_rate.n = pFormatCtx->streams[videoStream]->r_frame_rate.num;
yuv_frame_rate.d = pFormatCtx->streams[videoStream]->r_frame_rate.den;
}
if (yuv_aspect.d == 0) {
yuv_aspect.n = pCodecCtx-> sample_aspect_ratio.num;
yuv_aspect.d = pCodecCtx-> sample_aspect_ratio.den;
}
// 0:0 is an invalid aspect ratio default to 1:1
if (yuv_aspect.d == 0 || yuv_aspect.n == 0 ) {
yuv_aspect.n=1;
yuv_aspect.d=1;
}
if (convert) {
if (yuv_ss_mode == Y4M_UNKNOWN) {
print_usage();
return 0;
} else {
y4m_accept_extensions(1);
switch (yuv_ss_mode) {
case Y4M_CHROMA_420MPEG2: convert_mode = PIX_FMT_YUV420P; break;
case Y4M_CHROMA_422: convert_mode = PIX_FMT_YUV422P; break;
case Y4M_CHROMA_444: convert_mode = PIX_FMT_YUV444P; break;
case Y4M_CHROMA_411: convert_mode = PIX_FMT_YUV411P; break;
case Y4M_CHROMA_420JPEG: convert_mode = PIX_FMT_YUVJ420P; break;
default:
mjpeg_error_exit1("Cannot convert to this chroma mode");
break;
}
}
} else if (yuv_ss_mode == Y4M_UNKNOWN) {
switch (pCodecCtx->pix_fmt) {
case PIX_FMT_YUV420P: yuv_ss_mode=Y4M_CHROMA_420MPEG2; break;
case PIX_FMT_YUV422P: yuv_ss_mode=Y4M_CHROMA_422; break;
case PIX_FMT_YUV444P: yuv_ss_mode=Y4M_CHROMA_444; break;
case PIX_FMT_YUV411P: yuv_ss_mode=Y4M_CHROMA_411; break;
case PIX_FMT_YUVJ420P: yuv_ss_mode=Y4M_CHROMA_420JPEG; break;
default:
yuv_ss_mode=Y4M_CHROMA_444;
convert_mode = PIX_FMT_YUV444P;
// is there a warning function
mjpeg_error("Unsupported Chroma mode. Upsampling to YUV444\n");
// enable advanced yuv stream
y4m_accept_extensions(1);
convert = 1;
break;
}
}
// Allocate video frame
pFrame=avcodec_alloc_frame();
// Output YUV format details
// is there some mjpeg_info functions?
fprintf (stderr,"YUV Aspect Ratio: %d:%d\n",yuv_aspect.n,yuv_aspect.d);
fprintf (stderr,"YUV frame rate: %d:%d\n",yuv_frame_rate.n,yuv_frame_rate.d);
fprintf (stderr,"YUV Chroma Subsampling: %d\n",yuv_ss_mode);
// Set the YUV stream details
// Interlace is handled when the first frame is read.
y4m_si_set_sampleaspect(&streaminfo, yuv_aspect);
y4m_si_set_framerate(&streaminfo, yuv_frame_rate);
y4m_si_set_chroma(&streaminfo, yuv_ss_mode);
// Loop until nothing read
while(av_read_frame(pFormatCtx, &packet)>=0)
{
// Is this a packet from the video stream?
if(packet.stream_index==videoStream)
{
// Decode video frame
avcodec_decode_video(pCodecCtx, pFrame, &frameFinished,
packet.data, packet.size);
// Did we get a video frame?
if(frameFinished)
{
// Save the frame to disk
// As we don't know interlacing until the first frame
// we wait until the first frame is read before setting the interlace flag
// and outputting the YUV header
// It also appears that some codecs don't set width or height until the first frame either
if (!header_written) {
if (yuv_interlacing == Y4M_UNKNOWN) {
if (pFrame->interlaced_frame) {
if (pFrame->top_field_first) {
yuv_interlacing = Y4M_ILACE_TOP_FIRST;
} else {
yuv_interlacing = Y4M_ILACE_BOTTOM_FIRST;
}
} else {
yuv_interlacing = Y4M_ILACE_NONE;
}
}
if (convert) {
// initialise conversion to different chroma subsampling
pFrame444=avcodec_alloc_frame();
numBytes=avpicture_get_size(convert_mode, pCodecCtx->width, pCodecCtx->height);
buffer=(uint8_t *)malloc(numBytes);
avpicture_fill((AVPicture *)pFrame444, buffer, convert_mode, pCodecCtx->width, pCodecCtx->height);
}
y4m_si_set_interlace(&streaminfo, yuv_interlacing);
y4m_si_set_width(&streaminfo, pCodecCtx->width);
y4m_si_set_height(&streaminfo, pCodecCtx->height);
chromalloc(yuv_data,&streaminfo);
fprintf (stderr,"YUV interlace: %d\n",yuv_interlacing);
fprintf (stderr,"YUV Output Resolution: %dx%d\n",pCodecCtx->width, pCodecCtx->height);
if ((write_error_code = y4m_write_stream_header(fdOut, &streaminfo)) != Y4M_OK)
{
mjpeg_error("Write header failed: %s", y4m_strerr(write_error_code));
}
header_written = 1;
}
if (convert) {
// convert to 444
/*
+#ifdef HAVE_LIBSWSCALE
+ struct SwsContext* img_convert_ctx =
+ sws_getContext(context->width, context->height, PIX_FMT_RGB24,
+ context->width, context->height, context->pix_fmt,
+ SWS_BICUBIC, NULL, NULL, NULL);
+
+ sws_scale(img_convert_ctx, pict->data, pict->linesize,
+ 0, context->height, encodable->data,
+ encodable->linesize);
+
+ sws_freeContext (img_convert_ctx);
+#else
img_convert((AVPicture *)encodable, context->pix_fmt, (AVPicture *)pict, PIX_FMT_RGB24, context->width, context->height);
-
+ (AVPicture *)pict, PIX_FMT_RGB24,
+ context->width, context->height);
+#endif
*/
struct SwsContext* img_convert_ctx =
sws_getContext(pCodecCtx->width, pCodecCtx->height, pCodecCtx->pix_fmt,
pCodecCtx->width, pCodecCtx->height, pCodecCtx->pix_fmt,
SWS_BICUBIC, NULL, NULL, NULL);
sws_scale(img_convert_ctx, pFrame->data, pFrame->linesize,
0, pCodecCtx->height, pFrame444->data,
pFrame444->linesize);
sws_freeContext (img_convert_ctx);
//img_convert((AVPicture *)pFrame444, convert_mode, (AVPicture*)pFrame, pCodecCtx->pix_fmt, pCodecCtx->width, pCodecCtx->height);
chromacpy(yuv_data,pFrame444,&streaminfo);
} else {
chromacpy(yuv_data,pFrame,&streaminfo);
}
write_error_code = y4m_write_frame( fdOut, &streaminfo, &frameinfo, yuv_data);
}
}
// Free the packet that was allocated by av_read_frame
av_free_packet(&packet);
}
y4m_fini_stream_info(&streaminfo);
y4m_fini_frame_info(&frameinfo);
free(yuv_data[0]);
free(yuv_data[1]);
free(yuv_data[2]);
// Free the YUV frame
av_free(pFrame);
// Close the codec
avcodec_close(pCodecCtx);
// Close the video file
av_close_input_file(pFormatCtx);
return 0;
}
void MultiplexJob::SetupInputStreams( std::vector< IBitStream *> &inputs )
{
IBitStream *bs;
IBitStreamUndo undo;
unsigned int i;
bool bad_file = false;
for( i = 0; i < inputs.size(); ++i )
{
bs = inputs[i];
// Remember the streams initial state...
bs->PrepareUndo( undo );
if( LPCMStream::Probe( *bs ) )
{
mjpeg_info ("File %s looks like an LPCM Audio stream.",
bs->StreamName());
bs->UndoChanges( undo );
streams.push_back( new JobStream( bs, LPCM_AUDIO) );
++audio_tracks;
++lpcm_tracks;
continue;
}
bs->UndoChanges( undo );
if( MPAStream::Probe( *bs ) )
{
mjpeg_info ("File %s looks like an MPEG Audio stream.",
bs->StreamName() );
bs->UndoChanges( undo );
streams.push_back( new JobStream( bs, MPEG_AUDIO) );
++audio_tracks;
continue;
}
bs->UndoChanges( undo );
if( AC3Stream::Probe( *bs ) )
{
mjpeg_info ("File %s looks like an AC3 Audio stream.",
bs->StreamName());
bs->UndoChanges( undo );
streams.push_back( new JobStream( bs, AC3_AUDIO) );
++audio_tracks;
continue;
}
bs->UndoChanges( undo );
if( DTSStream::Probe( *bs ) )
{
mjpeg_info ("File %s looks like a dts Audio stream.",
bs->StreamName());
bs->UndoChanges( undo);
streams.push_back( new JobStream( bs, DTS_AUDIO) );
++audio_tracks;
continue;
}
bs->UndoChanges( undo );
if( VideoStream::Probe( *bs ) )
{
mjpeg_info ("File %s looks like an MPEG Video stream.",
bs->StreamName());
bs->UndoChanges( undo );
streams.push_back( new JobStream( bs, MPEG_VIDEO) );
++video_tracks;
continue;
}
bs->UndoChanges( undo );
if( SUBPStream::Probe( *bs ) )
{
mjpeg_info ("File %s looks like an Subpicture stream.",
bs->StreamName());
bs->UndoChanges( undo );
streams.push_back( new JobStream( bs, SUBP_STREAM) );
++subtitle_tracks;
continue;
}
#ifdef ZALPHA
if( ZAlphaStream::Probe( *bs ) )
{
mjpeg_info ("File %s looks like an Z/Alpha Video stream.",
bs->StreamName());
bs->UndoChanges( undo );
streams.push_back( new JobStream( bs, Z_ALPHA) );
++video_tracks;
++z_alpha_tracks;
continue;
}
#endif
bad_file = true;
mjpeg_error ("File %s unrecogniseable!", bs->StreamName());
delete bs;
}
if( bad_file )
{
mjpeg_error_exit1( "Unrecogniseable file(s)... exiting.");
}
//
// Where no parameters for streams have been specified
// simply set the default values (these will depend on the format
// we're muxing of course...)
//
for( i = video_param.size(); i < video_tracks; ++i )
{
video_param.push_back(VideoParams::Default( mux_format ));
}
for( i = lpcm_param.size(); i < lpcm_tracks; ++i )
{
lpcm_param.push_back(LpcmParams::Default(mux_format));
}
for( i = subtitle_params.size(); i < subtitle_tracks; ++i )
{
subtitle_params.push_back(SubtitleStreamParams::Default(mux_format));
}
//
// Set standard values if the selected profile implies this...
//
for( i = 0; i <video_tracks; ++i )
{
if( video_param[i]->Force(mux_format) )
{
mjpeg_info( "Video stream %d: profile %d selected - ignoring non-standard options!", i, mux_format );
}
}
mjpeg_info( "Found %d audio streams, %d video streams and %d subtitle streams",
audio_tracks,
video_tracks,
subtitle_tracks
);
}
int main(int argc, char *argv[])
{
int verbosity = 1;
double time_between_frames = 0.0;
double frame_rate = 0.0;
struct timeval time_now;
int n, frame;
unsigned char *yuv[3];
int in_fd = 0;
int screenwidth=0, screenheight=0;
y4m_stream_info_t streaminfo;
y4m_frame_info_t frameinfo;
int frame_width;
int frame_height;
int wait_for_sync = 1;
char *window_title = NULL;
while ((n = getopt(argc, argv, "hs:t:f:cv:")) != EOF) {
switch (n) {
case 'c':
wait_for_sync = 0;
break;
case 's':
if (sscanf(optarg, "%dx%d", &screenwidth, &screenheight) != 2) {
mjpeg_error_exit1( "-s option needs two arguments: -s 10x10");
exit(1);
}
break;
case 't':
window_title = optarg;
break;
case 'f':
frame_rate = atof(optarg);
if( frame_rate <= 0.0 || frame_rate > 200.0 )
mjpeg_error_exit1( "-f option needs argument > 0.0 and < 200.0");
break;
case 'v':
verbosity = atoi(optarg);
if ((verbosity < 0) || (verbosity > 2))
mjpeg_error_exit1("-v needs argument from {0, 1, 2} (not %d)",
verbosity);
break;
case 'h':
case '?':
usage();
exit(1);
break;
default:
usage();
exit(1);
}
}
mjpeg_default_handler_verbosity(verbosity);
y4m_accept_extensions(1);
y4m_init_stream_info(&streaminfo);
y4m_init_frame_info(&frameinfo);
if ((n = y4m_read_stream_header(in_fd, &streaminfo)) != Y4M_OK) {
mjpeg_error("Couldn't read YUV4MPEG2 header: %s!",
y4m_strerr(n));
exit (1);
}
switch (y4m_si_get_chroma(&streaminfo)) {
case Y4M_CHROMA_420JPEG:
case Y4M_CHROMA_420MPEG2:
case Y4M_CHROMA_420PALDV:
break;
default:
mjpeg_error_exit1("Cannot handle non-4:2:0 streams yet!");
}
frame_width = y4m_si_get_width(&streaminfo);
frame_height = y4m_si_get_height(&streaminfo);
if ((screenwidth <= 0) || (screenheight <= 0)) {
/* no user supplied screen size, so let's use the stream info */
y4m_ratio_t aspect = y4m_si_get_sampleaspect(&streaminfo);
if (!(Y4M_RATIO_EQL(aspect, y4m_sar_UNKNOWN))) {
/* if pixel aspect ratio present, use it */
#if 1
/* scale width, but maintain height (line count) */
screenheight = frame_height;
screenwidth = frame_width * aspect.n / aspect.d;
#else
if ((frame_width * aspect.d) < (frame_height * aspect.n)) {
screenwidth = frame_width;
screenheight = frame_width * aspect.d / aspect.n;
} else {
screenheight = frame_height;
screenwidth = frame_height * aspect.n / aspect.d;
}
#endif
} else {
/* unknown aspect ratio -- assume square pixels */
screenwidth = frame_width;
screenheight = frame_height;
}
}
/* Initialize the SDL library */
if( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
mjpeg_error("Couldn't initialize SDL: %s", SDL_GetError());
exit(1);
}
/* set window title */
SDL_WM_SetCaption(window_title, NULL);
/* yuv params */
yuv[0] = malloc(frame_width * frame_height * sizeof(unsigned char));
yuv[1] = malloc(frame_width * frame_height / 4 * sizeof(unsigned char));
yuv[2] = malloc(frame_width * frame_height / 4 * sizeof(unsigned char));
screen = SDL_SetVideoMode(screenwidth, screenheight, 0, SDL_SWSURFACE);
if ( screen == NULL ) {
mjpeg_error("SDL: Couldn't set %dx%d: %s",
screenwidth, screenheight, SDL_GetError());
exit(1);
}
else {
mjpeg_debug("SDL: Set %dx%d @ %d bpp",
screenwidth, screenheight, screen->format->BitsPerPixel);
}
/* since IYUV ordering is not supported by Xv accel on maddog's system
* (Matrox G400 --- although, the alias I420 is, but this is not
* recognized by SDL), we use YV12 instead, which is identical,
* except for ordering of Cb and Cr planes...
* we swap those when we copy the data to the display buffer...
*/
yuv_overlay = SDL_CreateYUVOverlay(frame_width, frame_height,
SDL_YV12_OVERLAY,
screen);
if ( yuv_overlay == NULL ) {
mjpeg_error("SDL: Couldn't create SDL_yuv_overlay: %s",
SDL_GetError());
exit(1);
}
if ( yuv_overlay->hw_overlay )
mjpeg_debug("SDL: Using hardware overlay.");
rect.x = 0;
rect.y = 0;
rect.w = screenwidth;
rect.h = screenheight;
SDL_DisplayYUVOverlay(yuv_overlay, &rect);
signal (SIGINT, sigint_handler);
frame = 0;
if ( frame_rate == 0.0 )
{
/* frame rate has not been set from command-line... */
if (Y4M_RATIO_EQL(y4m_fps_UNKNOWN, y4m_si_get_framerate(&streaminfo))) {
mjpeg_info("Frame-rate undefined in stream... assuming 25Hz!" );
frame_rate = 25.0;
} else {
frame_rate = Y4M_RATIO_DBL(y4m_si_get_framerate(&streaminfo));
}
}
time_between_frames = 1.e6 / frame_rate;
gettimeofday(&time_now,0);
while ((n = y4m_read_frame(in_fd, &streaminfo, &frameinfo, yuv)) == Y4M_OK && (!got_sigint)) {
/* Lock SDL_yuv_overlay */
if ( SDL_MUSTLOCK(screen) ) {
if ( SDL_LockSurface(screen) < 0 ) break;
}
if (SDL_LockYUVOverlay(yuv_overlay) < 0) break;
/* let's draw the data (*yuv[3]) on a SDL screen (*screen) */
memcpy(yuv_overlay->pixels[0], yuv[0], frame_width * frame_height);
memcpy(yuv_overlay->pixels[1], yuv[2], frame_width * frame_height / 4);
memcpy(yuv_overlay->pixels[2], yuv[1], frame_width * frame_height / 4);
/* Unlock SDL_yuv_overlay */
if ( SDL_MUSTLOCK(screen) ) {
SDL_UnlockSurface(screen);
}
SDL_UnlockYUVOverlay(yuv_overlay);
/* Show, baby, show! */
SDL_DisplayYUVOverlay(yuv_overlay, &rect);
mjpeg_info("Playing frame %4.4d - %s",
frame, print_status(frame, frame_rate));
if (wait_for_sync)
while(get_time_diff(time_now) < time_between_frames) {
usleep(1000);
}
frame++;
gettimeofday(&time_now,0);
}
if ((n != Y4M_OK) && (n != Y4M_ERR_EOF))
mjpeg_error("Couldn't read frame: %s", y4m_strerr(n));
for (n=0; n<3; n++) {
free(yuv[n]);
}
mjpeg_info("Played %4.4d frames (%s)",
frame, print_status(frame, frame_rate));
SDL_FreeYUVOverlay(yuv_overlay);
SDL_Quit();
y4m_fini_frame_info(&frameinfo);
y4m_fini_stream_info(&streaminfo);
return 0;
}
void ysSource::check_parameters()
{
int cause_to_exit = 0;
/* init interlacing */
if (_stream.interlace() == Y4M_UNKNOWN) {
mjpeg_error("Source interlacing is unknown!");
cause_to_exit = 1;
}
/* init/constrain SAR */
if (!_stream.sar().is_known()) {
mjpeg_error("Source sample aspect ratio unknown!");
cause_to_exit = 1;
}
/* init/constrain chroma subsampling */
if (!_stream.subsampling().is_known()) {
mjpeg_error("Source chroma subsampling is unknown!");
cause_to_exit = 1;
}
/* init/clip matte region */
/* default is entire source frame --- so convolution can extend beyond
the active region */
if (!_matte_region.is_known()) {
if (_matte_region.offset().is_known()) {
mjpeg_info("Source matte region defaulting to source frame size.");
_matte_region.dim(_stream.dim());
} else {
mjpeg_info("Source matte region defaulting to full source frame.");
_matte_region = ysRegion(_stream.dim());
_matte_region.origin_mode(ANC_TL);
}
}
_matte_region.fixate(_stream.dim());
/* check alignment */
/* frame size and matte region must conform to alignment */
{
int xal = _stream.x_alignment();
int yal = _stream.y_alignment();
if (_stream.x_size() % xal) {
mjpeg_error("Source x size (%d) is not multiple of %d!",
_stream.x_size(), xal);
cause_to_exit = 1;
}
if (_stream.y_size() % yal) {
mjpeg_error("Source y size (%d) is not multiple of %d!",
_stream.y_size(), yal);
cause_to_exit = 1;
}
if (_matte_region.dim().x() % xal) {
mjpeg_error("Source matte region x size (%d) is not multiple of %d!",
_matte_region.dim().x(), xal);
cause_to_exit = 1;
}
if (_matte_region.offset().x() % xal) {
mjpeg_error("Source matte region x offset (%d) is not multiple of %d!",
_matte_region.offset().x(), xal);
cause_to_exit = 1;
}
if (_matte_region.dim().y() % yal) {
mjpeg_error("Source matte region y size (%d) is not multiple of %d!",
_matte_region.dim().y(), yal);
cause_to_exit = 1;
}
if (_matte_region.offset().y() % yal) {
mjpeg_error("Source matte region y offset (%d) is not multiple of %d!",
_matte_region.offset().y(), yal);
cause_to_exit = 1;
}
}
if (cause_to_exit)
exit(1);
/* init/clip active region */
if (!_active_region.is_known()) {
if (_active_region.offset().is_known()) {
mjpeg_info("Source active region defaulting to source frame size.");
_active_region.dim(_stream.dim());
} else {
mjpeg_info("Source active region defaulting to full source frame.");
_active_region = ysRegion(_stream.dim());
_active_region.origin_mode(ANC_TL);
}
}
_active_region.fixate(_stream.dim());
#if 0 /* do clipping later, after ratios are established */
if (_active_region.clip(ysRatioPoint(_stream.dim()))) {
mjpeg_warn("Source active region clipped by frame size.");
}
#endif
}
int
main(int argc, char **argv)
{
int sts, c, width = 640, height = 480, noheader = 0;
int Y = 16, U = 128, V = 128, chroma_mode = Y4M_CHROMA_420MPEG2;
int numframes = 1, force = 0;
y4m_ratio_t rate_ratio = y4m_fps_NTSC;
y4m_ratio_t aspect_ratio = y4m_sar_SQUARE;
int plane_length[3];
u_char *yuv[3];
y4m_stream_info_t ostream;
y4m_frame_info_t oframe;
char interlace = Y4M_ILACE_NONE;
opterr = 0;
y4m_accept_extensions(1);
while ((c = getopt(argc, argv, "Hfx:w:h:r:i:a:Y:U:V:n:")) != EOF)
{
switch (c)
{
case 'H':
noheader = 1;
break;
case 'a':
sts = y4m_parse_ratio(&aspect_ratio, optarg);
if (sts != Y4M_OK)
mjpeg_error_exit1("Invalid aspect: %s",
optarg);
break;
case 'w':
width = atoi(optarg);
break;
case 'h':
height = atoi(optarg);
break;
case 'r':
sts = y4m_parse_ratio(&rate_ratio, optarg);
if (sts != Y4M_OK)
mjpeg_error_exit1("Invalid rate: %s", optarg);
break;
case 'Y':
Y = atoi(optarg);
break;
case 'U':
U = atoi(optarg);
break;
case 'V':
V = atoi(optarg);
break;
case 'i':
switch (optarg[0])
{
case 'p':
interlace = Y4M_ILACE_NONE;
break;
case 't':
interlace = Y4M_ILACE_TOP_FIRST;
break;
case 'b':
interlace = Y4M_ILACE_BOTTOM_FIRST;
break;
default:
usage();
}
break;
case 'x':
chroma_mode = y4m_chroma_parse_keyword(optarg);
if (chroma_mode == Y4M_UNKNOWN)
{
if (strcmp(optarg, "help") != 0)
mjpeg_error("Invalid -x arg '%s'", optarg);
chroma_usage();
}
break;
case 'f':
force = 1;
break;
case 'n':
numframes = atoi(optarg);
break;
case '?':
default:
usage();
}
}
if (width <= 0)
mjpeg_error_exit1("Invalid Width: %d", width);
if (height <= 0)
mjpeg_error_exit1("Invalid Height: %d", height);
if (!force && (Y < 16 || Y > 235))
mjpeg_error_exit1("16 < Y < 235");
if (!force && (U < 16 || U > 240))
mjpeg_error_exit1("16 < U < 240");
if (!force && (V < 16 || V > 240))
mjpeg_error_exit1("16 < V < 240");
y4m_init_stream_info(&ostream);
y4m_init_frame_info(&oframe);
y4m_si_set_width(&ostream, width);
y4m_si_set_height(&ostream, height);
y4m_si_set_interlace(&ostream, interlace);
y4m_si_set_framerate(&ostream, rate_ratio);
y4m_si_set_sampleaspect(&ostream, aspect_ratio);
y4m_si_set_chroma(&ostream, chroma_mode);
if (y4m_si_get_plane_count(&ostream) != 3)
mjpeg_error_exit1("Only the 3 plane formats supported");
plane_length[0] = y4m_si_get_plane_length(&ostream, 0);
plane_length[1] = y4m_si_get_plane_length(&ostream, 1);
plane_length[2] = y4m_si_get_plane_length(&ostream, 2);
yuv[0] = malloc(plane_length[0]);
yuv[1] = malloc(plane_length[1]);
yuv[2] = malloc(plane_length[2]);
/*
* Now fill the array once with black but use the provided Y, U and V values
*/
memset(yuv[0], Y, plane_length[0]);
memset(yuv[1], U, plane_length[1]);
memset(yuv[2], V, plane_length[2]);
if (noheader == 0)
y4m_write_stream_header(fileno(stdout), &ostream);
while (numframes--)
y4m_write_frame(fileno(stdout), &ostream, &oframe, yuv);
free(yuv[0]);
free(yuv[1]);
free(yuv[2]);
y4m_fini_stream_info(&ostream);
y4m_fini_frame_info(&oframe);
exit(0);
}
void MPAStream::Init ( const int stream_num )
{
int padding_bit;
MuxStream::Init( AUDIO_STR_0 + stream_num,
0, // Buffer scale
muxinto.audio_buffer_size,
muxinto.vcd_zero_stuffing,
muxinto.buffers_in_audio,
muxinto.always_buffers_in_audio
);
mjpeg_info ("Scanning for header info: Audio stream %02x (%s)",
AUDIO_STR_0 + stream_num,
bs.StreamName()
);
/* A.Stevens 2000 - update to be compatible up to MPEG2.5
*/
AU_start = bs.bitcount();
if (bs.GetBits(11)==AUDIO_SYNCWORD)
{
num_syncword++;
version_id = bs.GetBits( 2);
layer = 3-bs.GetBits( 2); /* 0..2 not 1..3!! */
protection = bs.Get1Bit();
bit_rate_code = bs.GetBits( 4);
frequency = bs.GetBits( 2);
padding_bit = bs.Get1Bit();
bs.Get1Bit();
mode = bs.GetBits( 2);
mode_extension = bs.GetBits( 2);
copyright = bs.Get1Bit();
original_copy = bs.Get1Bit ();
emphasis = bs.GetBits( 2);
framesize =
mpa_bitrates_kbps[version_id][layer][bit_rate_code] *
mpa_slots[layer] *1000 /
mpa_freq_table[version_id][frequency];
size_frames[0] = framesize * ( layer == 0 ? 4 : 1);
size_frames[1] = (framesize+1) * ( layer == 0 ? 4 : 1);
num_frames[padding_bit]++;
access_unit.start = AU_start;
access_unit.length = size_frames[padding_bit];
samples_per_second = mpa_freq_table[version_id][frequency];
/* Presentation time-stamping */
access_unit.PTS = static_cast<clockticks>(decoding_order) *
static_cast<clockticks>(mpa_samples [layer]) *
static_cast<clockticks>(CLOCKS) / samples_per_second;
access_unit.DTS = access_unit.PTS;
access_unit.dorder = decoding_order;
++decoding_order;
aunits.Append( access_unit );
} else
{
mjpeg_error ( "Invalid MPEG Audio stream header.");
exit (1);
}
OutputHdrInfo();
}
void writeoutYUV4MPEGheader(int out_fd,
LavParam *param,
EditList el,
y4m_stream_info_t *streaminfo)
{
int n;
y4m_si_set_width(streaminfo, param->output_width);
y4m_si_set_height(streaminfo, param->output_height);
y4m_si_set_interlace(streaminfo, param->interlace);
y4m_si_set_framerate(streaminfo, mpeg_conform_framerate(el.video_fps));
if (!Y4M_RATIO_EQL(param->sar, y4m_sar_UNKNOWN)) {
y4m_si_set_sampleaspect(streaminfo, param->sar);
} else if ((el.video_sar_width != 0) || (el.video_sar_height != 0)) {
y4m_ratio_t sar;
sar.n = el.video_sar_width;
sar.d = el.video_sar_height;
y4m_si_set_sampleaspect(streaminfo, sar);
} else {
/* no idea! ...eh, just guess. */
mjpeg_warn("unspecified sample-aspect-ratio --- taking a guess...");
y4m_si_set_sampleaspect(streaminfo,
y4m_guess_sar(param->output_width,
param->output_height,
param->dar));
}
switch (el_video_frame_data_format(0, &el)) { /* FIXME: checking only 0-th frame. */
case DATAFORMAT_YUV420:
switch (param->chroma) {
case Y4M_UNKNOWN:
case Y4M_CHROMA_420JPEG:
break;
case Y4M_CHROMA_420MPEG2:
case Y4M_CHROMA_420PALDV:
mjpeg_warn("4:2:0 chroma should be '420jpeg' with this input");
break;
default:
mjpeg_error_exit1("must specify 4:2:0 chroma (should be '420jpeg') with this input");
break;
}
break;
case DATAFORMAT_YUV422:
switch (param->chroma) {
case Y4M_CHROMA_422:
break;
default:
mjpeg_error_exit1("must specify chroma '422' with this input");
break;
}
break;
case DATAFORMAT_DV2:
#ifndef HAVE_LIBDV
mjpeg_error_exit1("DV input was not configured at compile time");
#else
el_get_video_frame(jpeg_data, 0, &el); /* FIXME: checking only 0-th frame. */
dv_parse_header(decoder, jpeg_data);
switch(decoder->sampling) {
case e_dv_sample_420:
switch (param->chroma) {
case Y4M_UNKNOWN:
mjpeg_info("set chroma '420paldv' from input");
param->chroma = Y4M_CHROMA_420PALDV;
break;
case Y4M_CHROMA_420PALDV:
break;
case Y4M_CHROMA_420JPEG:
case Y4M_CHROMA_420MPEG2:
mjpeg_warn("4:2:0 chroma should be '420paldv' with this input");
break;
case Y4M_CHROMA_422:
if(libdv_pal_yv12 == 1 )
mjpeg_error_exit1("must specify 4:2:0 chroma (should be '420paldv') with this input");
break;
default:
mjpeg_error_exit1("must specify 4:2:0 chroma (should be '420paldv') with this input");
break;
}
break;
case e_dv_sample_411:
if (param->chroma != Y4M_CHROMA_411)
mjpeg_info("chroma '411' recommended with this input");
switch (param->chroma) {
case Y4M_CHROMA_420MPEG2:
case Y4M_CHROMA_420PALDV:
mjpeg_warn("4:2:0 chroma should be '420jpeg' with this input");
break;
}
break;
case e_dv_sample_422:
if (param->chroma != Y4M_CHROMA_422)
mjpeg_info("chroma '422' recommended with this input");
switch (param->chroma) {
case Y4M_CHROMA_420MPEG2:
case Y4M_CHROMA_420PALDV:
mjpeg_warn("4:2:0 chroma should be '420jpeg' with this input");
break;
}
break;
default:
break;
}
#endif
break;
case DATAFORMAT_MJPG:
if (param->chroma != Y4M_CHROMA_422 && el.chroma == Y4M_CHROMA_422)
mjpeg_info("chroma '422' recommended with this input");
switch (param->chroma) {
case Y4M_CHROMA_420MPEG2:
case Y4M_CHROMA_420PALDV:
mjpeg_warn("4:2:0 chroma should be '420jpeg' with this input");
break;
}
break;
}
if (param->chroma == Y4M_UNKNOWN) {
mjpeg_info("set default chroma '420jpeg'");
param->chroma = Y4M_CHROMA_420JPEG;
}
y4m_si_set_chroma(streaminfo, param->chroma);
n = y4m_write_stream_header(out_fd, streaminfo);
if (n != Y4M_OK)
mjpeg_error("Failed to write stream header: %s", y4m_strerr(n));
}
/*
* readframe - read jpeg or dv frame into yuv buffer
*
* returns:
* 0 success
* 1 fatal error
* 2 corrupt data encountered;
* decoding can continue, but this frame may be damaged
*/
int readframe(int numframe,
uint8_t *frame[],
LavParam *param,
EditList el)
{
int len, i, res, data_format;
uint8_t *frame_tmp;
int warn;
warn = 0;
if (MAX_JPEG_LEN < el.max_frame_size) {
mjpeg_error_exit1( "Max size of JPEG frame = %ld: too big",
el.max_frame_size);
}
len = el_get_video_frame(jpeg_data, numframe, &el);
data_format = el_video_frame_data_format(numframe, &el);
switch(data_format) {
case DATAFORMAT_DV2 :
#ifndef HAVE_LIBDV
mjpeg_error("DV input was not configured at compile time");
res = 1;
#else
mjpeg_debug("DV frame %d len %d",numframe,len);
res = 0;
dv_parse_header(decoder, jpeg_data);
switch(decoder->sampling) {
case e_dv_sample_420:
/* libdv decodes PAL DV directly as planar YUV 420
* (YV12 or 4CC 0x32315659) if configured with the flag
* --with-pal-yuv=YV12 which is not (!) the default
*/
if (libdv_pal_yv12 == 1) {
pitches[0] = decoder->width;
pitches[1] = decoder->width / 2;
pitches[2] = decoder->width / 2;
if (pitches[0] != param->output_width ||
pitches[1] != param->chroma_width) {
mjpeg_error("for DV 4:2:0 only full width output is supported");
res = 1;
} else {
dv_decode_full_frame(decoder, jpeg_data, e_dv_color_yuv,
frame, (int *)pitches);
/* swap the U and V components */
frame_tmp = frame[2];
frame[2] = frame[1];
frame[1] = frame_tmp;
}
break;
}
case e_dv_sample_411:
case e_dv_sample_422:
/* libdv decodes NTSC DV (native 411) and by default also PAL
* DV (native 420) as packed YUV 422 (YUY2 or 4CC 0x32595559)
* where the U and V information is repeated. This can be
* transformed to planar 420 (YV12 or 4CC 0x32315659).
* For NTSC DV this transformation is lossy.
*/
pitches[0] = decoder->width * 2;
pitches[1] = 0;
pitches[2] = 0;
if (decoder->width != param->output_width) {
mjpeg_error("for DV only full width output is supported");
res = 1;
} else {
dv_decode_full_frame(decoder, jpeg_data, e_dv_color_yuv,
dv_frame, (int *)pitches);
frame_YUV422_to_planar(frame, dv_frame[0],
decoder->width, decoder->height,
param->chroma);
}
break;
default:
res = 1;
break;
}
#endif /* HAVE_LIBDV */
break;
case DATAFORMAT_YUV420 :
case DATAFORMAT_YUV422 :
mjpeg_debug("raw YUV frame %d len %d",numframe,len);
frame_tmp = jpeg_data;
memcpy(frame[0], frame_tmp, param->luma_size);
frame_tmp += param->luma_size;
memcpy(frame[1], frame_tmp, param->chroma_size);
frame_tmp += param->chroma_size;
memcpy(frame[2], frame_tmp, param->chroma_size);
res = 0;
break;
default:
mjpeg_debug("MJPEG frame %d len %d",numframe,len);
res = decode_jpeg_raw(jpeg_data, len, el.video_inter,
param->chroma,
param->output_width, param->output_height,
frame[0], frame[1], frame[2]);
}
if (res < 0) {
mjpeg_warn( "Fatal Error Decoding Frame %d", numframe);
return 1;
} else if (res == 1) {
mjpeg_warn( "Decoding of Frame %d failed", numframe);
warn = 1;
res = 0;
}
if (param->mono) {
for (i = 0;
i < param->chroma_size;
++i) {
frame[1][i] = 0x80;
frame[2][i] = 0x80;
}
}
if(warn)
return 2;
else
return 0;
}
/**
Reads one PNG file.
@param process Process the image data (0 for initial parameter determination)
@returns -1 on failure, 1 on sucess
*/
int decode_png(const char *pngname, int process, parameters_t *param)
{
int num_pass = 1;
int bit_depth, color_type;
FILE *pngfile;
//png_byte hdptr[8];
/* Now open this PNG file, and examine its header to retrieve the
YUV4MPEG info that shall be written */
pngfile = fopen(pngname, "rb");
if (!pngfile)
{
perror("PNG file open failed:");
return -1;
}
//fread(hdptr, 1, 8, pngfile);
#if 0
bool is_png = !png_sig_cmp(hdptr, 0, 8);
if (!is_png)
{
mjpeg_error("%s is _no_ PNG file !\n");
return -1;
}
#endif
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr)
mjpeg_error_exit1("%s: Could not allocate PNG read struct !", pngname);
png_init_io(png_ptr, pngfile);
//png_set_sig_bytes(png_ptr, 8);
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr)
{
png_destroy_read_struct(&png_ptr,
(png_infopp)NULL, (png_infopp)NULL);
mjpeg_error_exit1("%s: Could not allocate PNG info struct !", pngname);
}
end_info = png_create_info_struct(png_ptr);
if (!end_info)
{
png_destroy_read_struct(&png_ptr, &info_ptr,
(png_infopp)NULL);
mjpeg_error_exit1("%s: Could not allocate PNG end info struct !", pngname);
}
if (setjmp(png_jmpbuf(png_ptr)))
{
png_destroy_read_struct(&png_ptr, &info_ptr,
&end_info);
mjpeg_error("%s: Corrupted PNG file !", pngname);
return -1;
}
if (process)
png_set_read_user_transform_fn(png_ptr, png_separation);
png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_STRIP_16 | PNG_TRANSFORM_STRIP_ALPHA, NULL);
if (png_get_IHDR(png_ptr, info_ptr, ¶m->width, ¶m->height, &bit_depth,
// &color_type, &interlace_type, &compression_type, &filter_type))
&color_type, NULL, NULL, NULL))
num_pass = png_set_interlace_handling(png_ptr);
else
mjpeg_error_exit1("PNG header reading failed !!\n");
#if 0
mjpeg_info("Reading info struct...\n");
png_read_info(png_ptr, info_ptr);
mjpeg_info("Done...\n");
if (png_get_IHDR(png_ptr, info_ptr, ¶m->width, ¶m->height, &bit_depth,
// &color_type, &interlace_type, &compression_type, &filter_type))
&color_type, NULL, NULL, NULL))
num_pass = png_set_interlace_handling(png_ptr);
else
mjpeg_error_exit1("PNG header reading failed !!\n");
if (process)
{
printf("%d passes needed\n\n", num_pass);
if (bit_depth != 8 && bit_depth != 16)
{
mjpeg_error_exit1("Invalid bit_depth %d, only 8 and 16 bit allowed !!\n", bit_depth);
}
png_set_strip_16(png_ptr); // always has to strip the 16bit input, MPEG can't handle it
png_set_strip_alpha(png_ptr); // Alpha can't be processed until Z/Alpha is integrated
printf("\nAllocating row buffer...");
png_set_read_user_transform_fn(png_ptr, png_separation);
png_bytep row_buf = (png_bytep)png_malloc(png_ptr,
png_get_rowbytes(png_ptr, info_ptr));
for (int n=0; n < num_pass; n++)
for (int y=0; y < sh_param->height; y++)
{
printf("Writing row data for pass %d\n", n);
png_read_rows(png_ptr, (png_bytepp)&row_buf, NULL, 1);
}
png_free(png_ptr, row_buf);
}
png_read_end(png_ptr, info_ptr);
#endif
if (setjmp(png_ptr->jmpbuf)) {
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
return 2;
}
fclose(pngfile);
return 1;
}
/** parse_commandline
* Parses the commandline for the supplied parameters.
* in: argc, argv: the classic commandline parameters
*/
static void parse_commandline(int argc, char ** argv, parameters_t *param)
{
int c;
param->pngformatstr = NULL;
param->begin = 0;
param->numframes = -1;
param->framerate = y4m_fps_UNKNOWN;
param->interlace = Y4M_UNKNOWN;
param->interleave = -1;
param->verbose = 1;
param->ss_mode = DEFAULT_CHROMA_MODE;
//param->mza_filename = NULL;
//param->make_z_alpha = 0;
/* parse options */
for (;;) {
if (-1 == (c = getopt(argc, argv, "I:hv:L:b:j:n:f:z:S:")))
break;
switch (c) {
case 'j':
param->pngformatstr = strdup(optarg);
break;
#if 0
case 'z':
param->mza_filename = strdup(optarg);
param->make_z_alpha = 1;
break;
#else
case 'z':
mjpeg_error("Z encoding currently unsupported !\n");
exit(-1);
break;
#endif
case 'S':
param->ss_mode = y4m_chroma_parse_keyword(optarg);
if (param->ss_mode == Y4M_UNKNOWN) {
mjpeg_error_exit1("Unknown subsampling mode option: %s", optarg);
} else if (!chroma_sub_implemented(param->ss_mode)) {
mjpeg_error_exit1("Unsupported subsampling mode option: %s", optarg);
}
break;
case 'b':
param->begin = atol(optarg);
break;
case 'n':
param->numframes = atol(optarg);
break;
case 'f':
param->framerate = mpeg_conform_framerate(atof(optarg));
break;
case 'I':
switch (optarg[0]) {
case 'p':
param->interlace = Y4M_ILACE_NONE;
break;
case 't':
param->interlace = Y4M_ILACE_TOP_FIRST;
break;
case 'b':
param->interlace = Y4M_ILACE_BOTTOM_FIRST;
break;
default:
mjpeg_error_exit1 ("-I option requires arg p, t, or b");
}
break;
case 'L':
param->interleave = atoi(optarg);
if ((param->interleave != 0) &&
(param->interleave != 1))
mjpeg_error_exit1 ("-L option requires arg 0 or 1");
break;
case 'v':
param->verbose = atoi(optarg);
if (param->verbose < 0 || param->verbose > 2)
mjpeg_error_exit1( "-v option requires arg 0, 1, or 2");
break;
case 'h':
default:
usage(argv[0]);
exit(1);
}
}
if (param->pngformatstr == NULL)
{
mjpeg_error("%s: input format string not specified. (Use -j option.)",
argv[0]);
usage(argv[0]);
exit(1);
}
if (Y4M_RATIO_EQL(param->framerate, y4m_fps_UNKNOWN))
{
mjpeg_error("%s: framerate not specified. (Use -f option)",
argv[0]);
usage(argv[0]);
exit(1);
}
}
/** Here we process the command line options */
void process_commandline(int argc, char *argv[], struct area_s *inarea,
int *darker, int *copy_pixel, struct color_yuv *coloryuv, int *average_pixel)
{
int c;
char area [20];
while ((c = getopt(argc, argv, "Hhv:i:s:d:c:a:")) != -1)
{
switch (c)
{
case 'v':
verbose = atoi(optarg);
if ( verbose < 0 || verbose > 2)
print_usage(argv[0]);
if (verbose == 2)
mjpeg_info("Set Verbose = %i", verbose);
break;
case 'i':
strncpy(area, optarg, 20); /* This part shows how to process */
fillarea(area, inarea); /* command line options */
break;
case 's':
strncpy(area, optarg, 20);
set_yuvcolor(area, coloryuv);
break;
case 'd':
*darker = atoi(optarg);
break;
case 'c':
*copy_pixel = atoi(optarg);
break;
case 'a':
*average_pixel = atoi(optarg);
break;
case 'H':
case 'h':
print_usage(argv[0]);
}
}
/* Checking if we have used the -i option */
if ( ((*inarea).height == 0) && ((*inarea).width == 0) )
mjpeg_error_exit1("You have to use the -i option");
/* Checking the range of the darker -d option */
if ( (*darker < 0) || (*darker > 100) )
mjpeg_error_exit1("You can only make the area 1-100 percent darker");
else
mjpeg_info("Setting the area %i percent darker", *darker);
/* Checking the copy pixel option */
if (*copy_pixel != 0)
{
if ( ((*inarea).height/2) < *copy_pixel)
{
mjpeg_error("You can only copy half of the height into the area");
mjpeg_error_exit1("lower the copy pixel value below: %i ",
((*inarea).height/2));
}
if ( (*copy_pixel % 2) != 0)
mjpeg_error_exit1("you have to use a even number of lines to copy into the field");
if ( ((*inarea).height % *copy_pixel) != 0)
mjpeg_error_exit1("the height has to be a multiply of the copy pixel value");
mjpeg_info("Number of rows using for coping into the area %i", *copy_pixel);
}
/* Checking the average pixel option */
if (*average_pixel != 0)
{
if ( (*average_pixel > (*inarea).height) ||
(*average_pixel > (*inarea).width) )
mjpeg_error_exit1("The pixles used for the average must be less the the inactive area");
if ( (*average_pixel % 2) != 0)
mjpeg_error_exit1("you have to use a even number for the average pixels");
mjpeg_info("Number of pixels used for averaging %i", *average_pixel);
}
}