From ca8e35d5dcc10f8f00e4852d2e02390e9c338265 Mon Sep 17 00:00:00 2001 From: Antonio Ospite Date: Wed, 28 Feb 2018 15:17:28 +0100 Subject: [PATCH] am7xxx-play: s/picture/frame/ to make the variable names match the data types No functional changes, just a word substitution to match more closely what the data types represent. --- examples/am7xxx-play.c | 82 +++++++++++++++++++++++++------------------------- 1 file changed, 41 insertions(+), 41 deletions(-) diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c index 9deffd2..4987c62 100644 --- a/examples/am7xxx-play.c +++ b/examples/am7xxx-play.c @@ -177,7 +177,7 @@ static int video_output_init(struct video_output_ctx *output_ctx, goto out; } - /* Calculate the new output dimension so the original picture is shown + /* Calculate the new output dimension so the original frame is shown * in its entirety */ ret = am7xxx_calc_scaled_image_dimensions(dev, upscale, @@ -268,16 +268,16 @@ static int am7xxx_play(const char *input_format_string, { struct video_input_ctx input_ctx; struct video_output_ctx output_ctx; - AVFrame *picture_raw; - AVFrame *picture_scaled; + AVFrame *frame_raw; + AVFrame *frame_scaled; int out_buf_size; uint8_t *out_buf; - int out_picture_size; - uint8_t *out_picture; + int out_frame_size; + uint8_t *out_frame; struct SwsContext *sw_scale_ctx; AVPacket in_packet; AVPacket out_packet; - int got_picture; + int got_frame; int got_packet; int ret; @@ -294,23 +294,23 @@ static int am7xxx_play(const char *input_format_string, } /* allocate an input frame */ - picture_raw = av_frame_alloc(); - 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"); ret = -ENOMEM; goto cleanup_output; } /* allocate output frame */ - picture_scaled = av_frame_alloc(); - 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"); ret = -ENOMEM; - goto cleanup_picture_raw; + goto cleanup_frame_raw; } - picture_scaled->format = (output_ctx.codec_ctx)->pix_fmt; - picture_scaled->width = (output_ctx.codec_ctx)->width; - picture_scaled->height = (output_ctx.codec_ctx)->height; + frame_scaled->format = (output_ctx.codec_ctx)->pix_fmt; + frame_scaled->width = (output_ctx.codec_ctx)->width; + frame_scaled->height = (output_ctx.codec_ctx)->height; /* calculate the bytes needed for the output image and create buffer for the output image */ out_buf_size = av_image_get_buffer_size((output_ctx.codec_ctx)->pix_fmt, @@ -321,12 +321,12 @@ static int am7xxx_play(const char *input_format_string, if (out_buf == NULL) { fprintf(stderr, "cannot allocate output data buffer!\n"); ret = -ENOMEM; - goto cleanup_picture_scaled; + goto cleanup_frame_scaled; } - /* assign appropriate parts of buffer to image planes in picture_scaled */ - av_image_fill_arrays(picture_scaled->data, - picture_scaled->linesize, + /* 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, @@ -368,8 +368,8 @@ static int am7xxx_play(const char *input_format_string, } /* decode */ - got_picture = 0; - ret = avcodec_decode_video2(input_ctx.codec_ctx, picture_raw, &got_picture, &in_packet); + got_frame = 0; + ret = avcodec_decode_video2(input_ctx.codec_ctx, frame_raw, &got_frame, &in_packet); if (ret < 0) { fprintf(stderr, "cannot decode video\n"); run = 0; @@ -377,32 +377,32 @@ static int am7xxx_play(const char *input_format_string, } /* if we got the complete frame */ - if (got_picture) { + if (got_frame) { /* - * Rescaling the picture also changes its pixel format + * Rescaling the frame also changes its pixel format * to the raw format supported by the projector if * this was set in video_output_init() */ sws_scale(sw_scale_ctx, - (const uint8_t * const *)picture_raw->data, - picture_raw->linesize, + (const uint8_t * const *)frame_raw->data, + frame_raw->linesize, 0, (input_ctx.codec_ctx)->height, - picture_scaled->data, - picture_scaled->linesize); + frame_scaled->data, + frame_scaled->linesize); if (output_ctx.raw_output) { - out_picture = out_buf; - out_picture_size = out_buf_size; + out_frame = out_buf; + out_frame_size = out_buf_size; } else { - picture_scaled->quality = (output_ctx.codec_ctx)->global_quality; + 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, - picture_scaled, + frame_scaled, &got_packet); if (ret < 0 || !got_packet) { fprintf(stderr, "cannot encode video\n"); @@ -410,8 +410,8 @@ static int am7xxx_play(const char *input_format_string, goto end_while; } - out_picture = out_packet.data; - out_picture_size = out_packet.size; + out_frame = out_packet.data; + out_frame_size = out_packet.size; } #ifdef DEBUG @@ -423,7 +423,7 @@ static int am7xxx_play(const char *input_format_string, else snprintf(filename, NAME_MAX, "out.raw"); file = fopen(filename, "wb"); - fwrite(out_picture, 1, out_picture_size, file); + fwrite(out_frame, 1, out_frame_size, file); fclose(file); } #else @@ -434,8 +434,8 @@ static int am7xxx_play(const char *input_format_string, image_format, (output_ctx.codec_ctx)->width, (output_ctx.codec_ctx)->height, - out_picture, - out_picture_size); + out_frame, + out_frame_size); if (ret < 0) { perror("am7xxx_send_image_async"); run = 0; @@ -451,10 +451,10 @@ end_while: sws_freeContext(sw_scale_ctx); cleanup_out_buf: av_free(out_buf); -cleanup_picture_scaled: - av_frame_free(&picture_scaled); -cleanup_picture_raw: - av_frame_free(&picture_raw); +cleanup_frame_scaled: + av_frame_free(&frame_scaled); +cleanup_frame_raw: + av_frame_free(&frame_raw); cleanup_output: /* Freeing the codec context is needed as well, -- 2.1.4