*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
av_dump_format(input_format_ctx, 0, input_path, 0);
/* look for the first video_stream */
av_dump_format(input_format_ctx, 0, input_path, 0);
/* look for the first video_stream */
- video_index = -1;
- for (i = 0; i < input_format_ctx->nb_streams; i++)
- if (input_format_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- video_index = i;
- break;
- }
- if (video_index == -1) {
+ video_index = av_find_best_stream(input_format_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, &input_codec, 0);
+ if (video_index < 0) {
- /* find the decoder for the video stream */
- input_codec = avcodec_find_decoder(input_codec_ctx->codec_id);
- if (input_codec == NULL) {
- fprintf(stderr, "input_codec is NULL!\n");
- ret = -ENOTSUP;
- goto cleanup;
+ input_codec_params = input_format_ctx->streams[video_index]->codecpar;
+ ret = avcodec_parameters_to_context(input_codec_ctx, input_codec_params);
+ if (ret < 0) {
+ fprintf(stderr, "cannot copy parameters to input codec context\n");
+ goto cleanup_ctx;
}
/* open the decoder */
ret = avcodec_open2(input_codec_ctx, input_codec, NULL);
if (ret < 0) {
fprintf(stderr, "cannot open input codec\n");
}
/* open the decoder */
ret = avcodec_open2(input_codec_ctx, input_codec, NULL);
if (ret < 0) {
fprintf(stderr, "cannot open input codec\n");
*/
if (image_format == AM7XXX_IMAGE_FORMAT_NV12) {
fprintf(stdout, "using raw output format\n");
*/
if (image_format == AM7XXX_IMAGE_FORMAT_NV12) {
fprintf(stdout, "using raw output format\n");
* in particular they won't be 0, this is needed because they are used
* as divisor somewhere in the encoding process */
output_codec_ctx->qmin = output_codec_ctx->qmax = ((100 - (quality - 1)) * FF_QUALITY_SCALE) / 100;
* in particular they won't be 0, this is needed because they are used
* as divisor somewhere in the encoding process */
output_codec_ctx->qmin = output_codec_ctx->qmax = ((100 - (quality - 1)) * FF_QUALITY_SCALE) / 100;
- output_codec_ctx->mb_lmin = output_codec_ctx->lmin = output_codec_ctx->qmin * FF_QP2LAMBDA;
- output_codec_ctx->mb_lmax = output_codec_ctx->lmax = output_codec_ctx->qmax * FF_QP2LAMBDA;
- output_codec_ctx->flags |= CODEC_FLAG_QSCALE;
+ output_codec_ctx->mb_lmin = output_codec_ctx->qmin * FF_QP2LAMBDA;
+ output_codec_ctx->mb_lmax = output_codec_ctx->qmax * FF_QP2LAMBDA;
+ output_codec_ctx->flags |= AV_CODEC_FLAG_QSCALE;
output_codec_ctx->global_quality = output_codec_ctx->qmin * FF_QP2LAMBDA;
/* find the encoder */
output_codec = avcodec_find_encoder(output_codec_ctx->codec_id);
if (output_codec == NULL) {
fprintf(stderr, "cannot find output codec!\n");
output_codec_ctx->global_quality = output_codec_ctx->qmin * FF_QP2LAMBDA;
/* find the encoder */
output_codec = avcodec_find_encoder(output_codec_ctx->codec_id);
if (output_codec == NULL) {
fprintf(stderr, "cannot find output codec!\n");
ret = video_input_init(&input_ctx, input_format_string, input_path, input_options);
if (ret < 0) {
ret = video_input_init(&input_ctx, input_format_string, input_path, input_options);
if (ret < 0) {
- picture_raw = avcodec_alloc_frame();
- if (picture_raw == NULL) {
- fprintf(stderr, "cannot allocate the raw picture frame!\n");
+ frame_raw = av_frame_alloc();
+ if (frame_raw == NULL) {
+ fprintf(stderr, "cannot allocate the raw frame!\n");
- picture_scaled = avcodec_alloc_frame();
- if (picture_scaled == NULL) {
- fprintf(stderr, "cannot allocate the scaled picture!\n");
+ frame_scaled = av_frame_alloc();
+ if (frame_scaled == NULL) {
+ fprintf(stderr, "cannot allocate the scaled frame!\n");
- out_buf_size = avpicture_get_size((output_ctx.codec_ctx)->pix_fmt,
- (output_ctx.codec_ctx)->width,
- (output_ctx.codec_ctx)->height);
+ out_buf_size = av_image_get_buffer_size((output_ctx.codec_ctx)->pix_fmt,
+ (output_ctx.codec_ctx)->width,
+ (output_ctx.codec_ctx)->height,
+ 1);
out_buf = av_malloc(out_buf_size * sizeof(uint8_t));
if (out_buf == NULL) {
fprintf(stderr, "cannot allocate output data buffer!\n");
ret = -ENOMEM;
out_buf = av_malloc(out_buf_size * sizeof(uint8_t));
if (out_buf == NULL) {
fprintf(stderr, "cannot allocate output data buffer!\n");
ret = -ENOMEM;
- /* assign appropriate parts of buffer to image planes in picture_scaled */
- avpicture_fill((AVPicture *)picture_scaled,
- out_buf,
- (output_ctx.codec_ctx)->pix_fmt,
- (output_ctx.codec_ctx)->width,
- (output_ctx.codec_ctx)->height);
+ /* assign appropriate parts of buffer to image planes in frame_scaled */
+ av_image_fill_arrays(frame_scaled->data,
+ frame_scaled->linesize,
+ out_buf,
+ (output_ctx.codec_ctx)->pix_fmt,
+ (output_ctx.codec_ctx)->width,
+ (output_ctx.codec_ctx)->height,
+ 1);
sw_scale_ctx = sws_getCachedContext(NULL,
(input_ctx.codec_ctx)->width,
sw_scale_ctx = sws_getCachedContext(NULL,
(input_ctx.codec_ctx)->width,
/* that is more or less a "continue", but there is
* still the packet to free */
goto end_while;
}
/* decode */
/* that is more or less a "continue", but there is
* still the packet to free */
goto end_while;
}
/* decode */
- got_picture = 0;
- ret = avcodec_decode_video2(input_ctx.codec_ctx, picture_raw, &got_picture, &packet);
+ got_frame = 0;
+ ret = avcodec_decode_video2(input_ctx.codec_ctx, frame_raw, &got_frame, &in_packet);
- /* if we get the complete frame */
- if (got_picture) {
- /* convert it to YUV */
+ /* if we got the complete frame */
+ if (got_frame) {
+ /*
+ * Rescaling the frame also changes its pixel format
+ * to the raw format supported by the projector if
+ * this was set in video_output_init()
+ */
- picture_scaled->quality = (output_ctx.codec_ctx)->global_quality;
- /* TODO: switch to avcodec_encode_video2() eventually */
- out_picture_size = avcodec_encode_video(output_ctx.codec_ctx,
- out_buf,
- out_buf_size,
- picture_scaled);
- if (out_picture_size < 0) {
+ frame_scaled->quality = (output_ctx.codec_ctx)->global_quality;
+ av_init_packet(&out_packet);
+ out_packet.data = NULL;
+ out_packet.size = 0;
+ got_packet = 0;
+ ret = avcodec_encode_video2(output_ctx.codec_ctx,
+ &out_packet,
+ frame_scaled,
+ &got_packet);
+ if (ret < 0 || !got_packet) {
- char filename[NAME_MAX];
- FILE *file;
- if (!output_ctx.raw_output)
- snprintf(filename, NAME_MAX, "out_q%03d.jpg", quality);
- else
- snprintf(filename, NAME_MAX, "out.raw");
- file = fopen(filename, "wb");
- fwrite(out_buf, 1, out_picture_size, file);
- fclose(file);
+ if (dump_frame) {
+ char filename[NAME_MAX];
+ FILE *file;
+ if (!output_ctx.raw_output)
+ snprintf(filename, NAME_MAX, "out_q%03d.jpg", quality);
+ else
+ snprintf(filename, NAME_MAX, "out.raw");
+ file = fopen(filename, "wb");
+ fwrite(out_frame, 1, out_frame_size, file);
+ fclose(file);
+ }
+#else
+ (void) dump_frame;
- ret = am7xxx_send_image(dev,
- image_format,
- (output_ctx.codec_ctx)->width,
- (output_ctx.codec_ctx)->height,
- out_buf,
- out_picture_size);
+ ret = am7xxx_send_image_async(dev,
+ image_format,
+ (output_ctx.codec_ctx)->width,
+ (output_ctx.codec_ctx)->height,
+ out_frame,
+ out_frame_size);
- /* av_free is needed as well,
- * see http://libav.org/doxygen/master/avcodec_8h.html#a5d7440cd7ea195bd0b14f21a00ef36dd
+ /* Freeing the codec context is needed as well,
+ * see https://libav.org/documentation/doxygen/master/group__lavc__core.html#gaf4daa92361efb3523ef5afeb0b54077f
- fprintf(stderr, "%s: fallback implementation\n", __func__);
+ fprintf(stderr, "%s: fallback implementation, assuming a vga screen\n", __func__);
printf("\t-f <input format>\tthe input device format\n");
printf("\t-i <input path>\t\tthe input path\n");
printf("\t-o <options>\t\ta comma separated list of input format options\n");
printf("\t-f <input format>\tthe input device format\n");
printf("\t-i <input path>\t\tthe input path\n");
printf("\t-o <options>\t\ta comma separated list of input format options\n");
printf("\t\t\t\t\t2 - NV12\n");
printf("\t-q <quality>\t\tquality of jpeg sent to the device, between 1 and 100\n");
printf("\t-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\n");
printf("\t\t\t\t\t2 - NV12\n");
printf("\t-q <quality>\t\tquality of jpeg sent to the device, between 1 and 100\n");
printf("\t-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\n");
- printf("\t-p <power level>\tpower level of device, between %x (off) and %x (maximum)\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
- printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n\t\t\t\t\t the slave connector to be plugged in.\n");
+ printf("\t-p <power mode>\t\tthe power mode of device, between %d (off) and %d (turbo)\n",
+ AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+ printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n");
+ printf("\t\t\t\t the slave connector to be plugged in.\n");
+ printf("\t-z <zoom mode>\t\tthe display zoom mode, between %d (original) and %d (tele)\n",
+ AM7XXX_ZOOM_ORIGINAL, AM7XXX_ZOOM_TELE);
printf("\t-h \t\t\tthis help message\n");
printf("\n\nEXAMPLES OF USE:\n");
printf("\t%s -f x11grab -i :0.0 -o video_size=800x480\n", name);
printf("\t-h \t\t\tthis help message\n");
printf("\n\nEXAMPLES OF USE:\n");
printf("\t%s -f x11grab -i :0.0 -o video_size=800x480\n", name);
unsigned int upscale = 0;
unsigned int quality = 95;
int log_level = AM7XXX_LOG_INFO;
unsigned int upscale = 0;
unsigned int quality = 95;
int log_level = AM7XXX_LOG_INFO;
+ case 'd':
+ device_index = atoi(optarg);
+ if (device_index < 0) {
+ fprintf(stderr, "Unsupported device index\n");
+ ret = -EINVAL;
+ goto out;
+ }
+ break;
+ case 'D':
+ dump_frame = 1;
+#ifndef DEBUG
+ fprintf(stderr, "Warning: the -D option is only active in DEBUG mode.\n");
+#endif
+ break;
/*
* parse suboptions, the expected format is something
* like:
* draw_mouse=1,framerate=100,video_size=800x480
*/
subopts = subopts_saved = strdup(optarg);
/*
* parse suboptions, the expected format is something
* like:
* draw_mouse=1,framerate=100,video_size=800x480
*/
subopts = subopts_saved = strdup(optarg);
- while((subopt = strtok_r(subopts, ",", &subopts))) {
+ while ((subopt = strtok_r(subopts, ",", &subopts))) {
char *subopt_name = strtok_r(subopt, "=", &subopt);
char *subopt_value = strtok_r(NULL, "", &subopt);
if (subopt_value == NULL) {
char *subopt_name = strtok_r(subopt, "=", &subopt);
char *subopt_value = strtok_r(NULL, "", &subopt);
if (subopt_value == NULL) {
av_dict_set(&options, subopt_name, subopt_value, 0);
}
free(subopts_saved);
av_dict_set(&options, subopt_name, subopt_value, 0);
}
free(subopts_saved);
- fprintf(stdout, "Power mode: %x\n", power_mode);
+ fprintf(stdout, "Power mode: %d\n", power_mode);
+ break;
+ default:
+ fprintf(stderr, "Invalid power mode value, must be between %d and %d\n",
+ AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+ ret = -EINVAL;
+ goto out;
+ }
+ break;
+ case 'z':
+ zoom = atoi(optarg);
+ switch(zoom) {
+ case AM7XXX_ZOOM_ORIGINAL:
+ case AM7XXX_ZOOM_H:
+ case AM7XXX_ZOOM_H_V:
+ case AM7XXX_ZOOM_TEST:
+ case AM7XXX_ZOOM_TELE:
+ fprintf(stdout, "Zoom: %d\n", zoom);
- fprintf(stderr, "Invalid power mode value, must be between %x and %x\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
+ fprintf(stderr, "Invalid zoom mode value, must be between %d and %d\n",
+ AM7XXX_ZOOM_ORIGINAL, AM7XXX_ZOOM_TELE);
ret = am7xxx_set_power_mode(dev, power_mode);
if (ret < 0) {
perror("am7xxx_set_power_mode");
goto cleanup;
}
ret = am7xxx_set_power_mode(dev, power_mode);
if (ret < 0) {
perror("am7xxx_set_power_mode");
goto cleanup;
}