*
* 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");
if (picture_raw == NULL) {
fprintf(stderr, "cannot allocate the raw picture frame!\n");
ret = -ENOMEM;
if (picture_raw == NULL) {
fprintf(stderr, "cannot allocate the raw picture frame!\n");
ret = -ENOMEM;
if (picture_scaled == NULL) {
fprintf(stderr, "cannot allocate the scaled picture!\n");
ret = -ENOMEM;
goto cleanup_picture_raw;
}
if (picture_scaled == NULL) {
fprintf(stderr, "cannot allocate the scaled picture!\n");
ret = -ENOMEM;
goto cleanup_picture_raw;
}
- 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");
out_buf = av_malloc(out_buf_size * sizeof(uint8_t));
if (out_buf == NULL) {
fprintf(stderr, "cannot allocate output data buffer!\n");
- avpicture_fill((AVPicture *)picture_scaled,
- out_buf,
- (output_ctx.codec_ctx)->pix_fmt,
- (output_ctx.codec_ctx)->width,
- (output_ctx.codec_ctx)->height);
+ av_image_fill_arrays(picture_scaled->data,
+ picture_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,
- 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_picture, 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_picture, 1, out_picture_size, file);
+ fclose(file);
+ }
+#else
+ (void) dump_frame;
- /* 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("usage: %s [OPTIONS]\n\n", name);
printf("OPTIONS:\n");
printf("\t-d <index>\t\tthe device index (default is 0)\n");
printf("usage: %s [OPTIONS]\n\n", name);
printf("OPTIONS:\n");
printf("\t-d <index>\t\tthe device index (default is 0)\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-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");